Laravel migration add foreign key gives error foreign key (`user_id`)

When i php artisan migrate then i am getting an error see below. Order migrations is users, companies and pivotmigration.

When i delete a user all companies has to delete and when i delete a company all users has to be deleted.

What do i do wrong?

User.php

    Schema::create('users', function (Blueprint $table) {
        $table->engine = "InnoDB";
        $table->bigIncrements('id');
        $table->string('name');
        $table->string('email')->unique();
        $table->timestamp('email_verified_at')->nullable();
        $table->string('password');
        $table->rememberToken();
        $table->timestamps();
    });

Companies.php

    Schema::create('companies', function (Blueprint $table) {
        $table->engine = "InnoDB";
        $table->increments('id')->unsigned();
        $table->string('companyname');
        $table->string('address');
        $table->integer('housenumber');
        $table->string('postalcode');
        $table->string('city');
        $table->string('province');
        $table->string('email');
        $table->string('phonenumber');
        $table->timestamps();
    });

CreateUserCompanyPivotTable.php

    Schema::create('user_company', function (Blueprint $table) {
        $table->engine = "InnoDB";
        $table->integer('user_id')->unsigned();
        $table->integer('company_id')->unsigned();
    });

    Schema::table('user_company', function (Blueprint $table) {
        $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
        $table->foreign('company_id')->references('id')->on('companies')->onDelete('cascade');
    });

Error:

Illuminate\Database\QueryException  : SQLSTATE[HY000]: General error: 1215 

Cannot add foreign key constraint (SQL: alter table `user_company` add constraint `user_company_user_id_foreign` foreign key (`user_id`) references `users` (`id`) on delete cascade)

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