// This file is part of the SV-Benchmarks collection of verification tasks: // https://gitlab.com/sosy-lab/benchmarking/sv-benchmarks // // SPDX-FileCopyrightText: 2022 Jana (Philipp) Berger // // SPDX-License-Identifier: GPL-3.0-or-later // Prototype declarations of the functions used to communicate with the model checkers extern unsigned long __VERIFIER_nondet_ulong(); extern long __VERIFIER_nondet_long(); extern unsigned char __VERIFIER_nondet_uchar(); extern char __VERIFIER_nondet_char(); extern unsigned short __VERIFIER_nondet_ushort(); extern short __VERIFIER_nondet_short(); extern float __VERIFIER_nondet_float(); extern double __VERIFIER_nondet_double(); extern void abort(void); extern void __assert_fail(const char *, const char *, unsigned int, const char *) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__)); void reach_error() { __assert_fail("0", "Req1_Prop1_Batch37PS_CN_250.c", 13, "reach_error"); } void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } return; } void assume_abort_if_not(int cond) { if(!cond) { abort(); } } #define max(a,b) (((a) > (b)) ? (a) : (b)) #define min(a,b) (((a) < (b)) ? (a) : (b)) #define abs(a) (((a) < 0 ) ? -(a) : (a)) // Function prototypes // Internal control logic variables unsigned char isInitial = 0; // Signal variables signed long int var_1_1 = 256; unsigned short int var_1_2 = 51640; unsigned short int var_1_3 = 5; float var_1_7 = 128.8; unsigned char var_1_8 = 2; float var_1_9 = 256.5; float var_1_10 = 7.25; signed char var_1_11 = 64; signed char var_1_12 = -16; double var_1_13 = 0.9; unsigned char var_1_14 = 1; double var_1_15 = 0.0; double var_1_16 = 1.275; unsigned short int var_1_17 = 8; unsigned short int var_1_18 = 35331; signed char var_1_19 = -128; double var_1_20 = 0.0; double var_1_21 = 0.0; signed char var_1_22 = -8; signed char var_1_23 = 50; unsigned short int var_1_24 = 0; signed long int var_1_25 = -1; signed char var_1_26 = 5; signed long int var_1_27 = 32; unsigned char var_1_28 = 64; signed char var_1_29 = -16; unsigned char var_1_30 = 50; unsigned char var_1_31 = 128; unsigned char var_1_32 = 8; unsigned char var_1_33 = 128; unsigned char var_1_34 = 0; unsigned char var_1_35 = 0; unsigned char var_1_36 = 1; unsigned char var_1_37 = 0; unsigned char var_1_38 = 1; unsigned char var_1_39 = 0; unsigned char var_1_40 = 0; unsigned short int var_1_41 = 4; signed short int var_1_42 = 16; signed short int var_1_43 = 5; signed char var_1_44 = 64; signed char var_1_45 = 10; signed char var_1_46 = -64; unsigned short int var_1_47 = 1; unsigned short int var_1_48 = 51108; unsigned short int var_1_49 = 29509; unsigned short int var_1_50 = 200; unsigned short int var_1_51 = 1; unsigned char var_1_52 = 0; float var_1_53 = 32.8; float var_1_54 = 8.9; double var_1_55 = 10.2; double var_1_56 = 0.5; double var_1_57 = 5.5; double var_1_58 = 2.25; double var_1_59 = 199.6; double var_1_60 = 25.5; double var_1_61 = 9.4; double var_1_62 = 0.5; signed short int var_1_63 = -256; unsigned char var_1_64 = 10; signed char var_1_65 = 32; float var_1_66 = 31.75; signed long int var_1_67 = -5; signed char var_1_68 = 2; signed char var_1_69 = 1; float var_1_70 = 2.6; float var_1_71 = 0.0; unsigned char var_1_72 = 16; unsigned long int var_1_73 = 2; signed long int var_1_74 = -16; unsigned long int var_1_75 = 5; unsigned long int var_1_77 = 256; unsigned long int var_1_78 = 3565938610; signed short int var_1_79 = -4; unsigned char var_1_80 = 0; unsigned char var_1_81 = 100; unsigned char var_1_82 = 64; unsigned long int var_1_83 = 128; signed long int var_1_84 = -256; double var_1_85 = 7.875; double var_1_86 = 8.5; unsigned char var_1_87 = 1; signed short int var_1_88 = -4; unsigned long int var_1_89 = 256; signed char var_1_90 = 8; signed char var_1_91 = -128; float var_1_92 = 31.1; double var_1_93 = 255.213; double var_1_94 = 4.25; unsigned char var_1_95 = 2; // Calibration values // Last'ed variables float last_1_var_1_10 = 7.25; double last_1_var_1_13 = 0.9; unsigned short int last_1_var_1_17 = 8; signed char last_1_var_1_19 = -128; // Additional functions void initially(void) { } void step(void) { // From: CodeObject1 if ((~ (- var_1_24)) < var_1_25) { if (var_1_25 < -64) { var_1_23 = var_1_26; } } // From: CodeObject2 if (var_1_24 > var_1_25) { var_1_27 = (max (var_1_24 , var_1_23)); } // From: CodeObject3 if (var_1_26 == (abs (abs (var_1_29)))) { var_1_28 = (max ((abs (var_1_30)) , (var_1_31 - var_1_32))); } else { if (var_1_27 >= var_1_26) { var_1_28 = (max ((max ((min (var_1_31 , var_1_32)) , var_1_30)) , var_1_33)); } else { var_1_28 = (var_1_32 + var_1_34); } } // From: CodeObject4 if (var_1_36) { if ((var_1_34 - 100) >= var_1_23) { var_1_35 = var_1_37; } } else { var_1_35 = (var_1_37 && (var_1_38 && (var_1_39 || var_1_40))); } // From: CodeObject5 if ((~ var_1_29) != var_1_34) { if (var_1_23 > var_1_24) { if ((var_1_27 >> (max (var_1_42 , var_1_43))) >= var_1_25) { if (var_1_44 <= ((var_1_34 ^ 2) % (max (var_1_45 , var_1_46)))) { var_1_41 = (var_1_34 + (abs (var_1_43))); } } } else { var_1_41 = (abs (var_1_42)); } } else { if (var_1_29 > var_1_34) { var_1_41 = var_1_32; } else { var_1_41 = var_1_34; } } // From: CodeObject6 if ((2647880377u - var_1_32) == var_1_34) { var_1_47 = (var_1_48 - (var_1_49 - var_1_30)); } else { var_1_47 = (abs (max (var_1_50 , var_1_32))); } // From: CodeObject7 if ((~ (abs (var_1_33))) >= var_1_45) { var_1_51 = (abs (var_1_50)); } // From: CodeObject8 if (var_1_27 > (abs (var_1_42))) { var_1_52 = (! var_1_37); } // From: CodeObject9 if ((var_1_43 ^ var_1_48) >= var_1_29) { var_1_53 = (abs (var_1_54)); } else { var_1_53 = (abs (var_1_54)); } // From: CodeObject10 if (var_1_37) { var_1_55 = (var_1_56 - var_1_57); } else { var_1_55 = ((max (var_1_57 , var_1_56)) - 1.000000000004E11); } // From: CodeObject11 if ((var_1_48 - (abs (var_1_34))) > var_1_51) { var_1_58 = var_1_56; } else { var_1_58 = ((max ((var_1_59 - var_1_60) , var_1_61)) + var_1_62); } // From: CodeObject12 if (var_1_38) { if (256u != (max ((~ var_1_31) , var_1_24))) { var_1_63 = var_1_23; } } else { var_1_63 = var_1_23; } // From: CodeObject13 if (var_1_23 >= (var_1_49 | var_1_65)) { var_1_64 = (min ((max ((abs (var_1_32)) , var_1_34)) , (var_1_31 - var_1_43))); } // From: CodeObject14 if (var_1_37) { if (var_1_41 > 10) { var_1_66 = (abs (abs (var_1_62))); } else { var_1_66 = 10.8f; } } // From: CodeObject15 if (var_1_39 || ((var_1_45 / var_1_31) <= (var_1_29 % var_1_46))) { var_1_67 = (min (var_1_49 , var_1_34)); } // From: CodeObject16 if (var_1_45 <= (var_1_29 & var_1_27)) { if ((~ var_1_69) > (abs (var_1_48))) { var_1_68 = (abs (var_1_42)); } } // From: CodeObject17 if ((abs (var_1_32)) <= var_1_49) { var_1_70 = (max (((abs (var_1_60)) - (var_1_71 - var_1_59)) , var_1_61)); } // From: CodeObject18 if (var_1_31 <= var_1_44) { if (var_1_42 >= var_1_31) { if (var_1_39 || (var_1_67 >= (abs (var_1_48)))) { var_1_72 = (min (var_1_30 , var_1_33)); } else { var_1_72 = (max ((var_1_34 + 32) , var_1_32)); } } else { var_1_72 = (abs (var_1_34)); } } else { var_1_72 = ((abs (var_1_42)) + var_1_34); } // From: CodeObject19 if (var_1_27 > var_1_74) { var_1_73 = (abs (var_1_75)); } else { if (var_1_52) { if (var_1_74 < var_1_42) { if (var_1_77 <= var_1_48) { var_1_73 = (var_1_78 - ((abs (1855983405u)) - var_1_43)); } } } else { var_1_73 = (abs (var_1_34)); } } // From: CodeObject20 if ((var_1_33 & var_1_63) < var_1_47) { var_1_79 = ((abs (var_1_30)) - var_1_28); } // From: CodeObject21 if (-32 <= ((var_1_67 % var_1_48) & var_1_41)) { var_1_80 = (((var_1_81 - 2) + var_1_82) - var_1_32); } // From: CodeObject22 if ((var_1_42 / (abs (var_1_45))) > var_1_64) { var_1_83 = (abs (max (var_1_30 , (max (var_1_72 , var_1_82))))); } else { var_1_83 = (abs (var_1_75)); } // From: CodeObject23 var_1_84 = (max ((var_1_42 - (var_1_32 + var_1_48)) , var_1_45)); // From: CodeObject24 if (var_1_62 <= (abs (- var_1_86))) { var_1_85 = (max (var_1_54 , var_1_57)); } // From: CodeObject25 var_1_87 = (! (var_1_40 || var_1_39)); // From: CodeObject26 if ((var_1_63 % var_1_31) > var_1_64) { if (var_1_38) { var_1_88 = (max (var_1_65 , var_1_26)); } } // From: CodeObject27 if (var_1_90 >= ((max (var_1_81 , var_1_34)) - 32)) { var_1_89 = (abs (abs (var_1_30))); } else { var_1_89 = (abs (var_1_50)); } // From: CodeObject28 if (var_1_39) { var_1_91 = (abs (100)); } // From: CodeObject29 if (var_1_52) { var_1_92 = var_1_59; } // From: CodeObject30 if (var_1_37) { var_1_93 = 3.2; } else { var_1_93 = var_1_56; } // From: CodeObject31 if ((var_1_69 & (var_1_95 % var_1_31)) <= (abs (var_1_88))) { if ((var_1_92 != var_1_66) && (var_1_28 < var_1_91)) { var_1_94 = var_1_71; } } // From: Req5Batch37PS_CN_250 signed long int stepLocal_2 = var_1_3 + last_1_var_1_19; if (var_1_14) { if (last_1_var_1_13 <= var_1_9) { var_1_13 = var_1_9; } else { if ((min (last_1_var_1_17 , (var_1_2 * last_1_var_1_17))) == stepLocal_2) { var_1_13 = 8.75; } else { var_1_13 = (16.5 + ((var_1_15 - 49.35) - var_1_16)); } } } // From: Req7Batch37PS_CN_250 if (var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16))) { var_1_19 = (max (var_1_12 , var_1_22)); } else { var_1_19 = var_1_12; } // From: Req6Batch37PS_CN_250 var_1_17 = (var_1_18 - var_1_3); // From: Req3Batch37PS_CN_250 if ((var_1_17 >= var_1_17) || (var_1_9 > last_1_var_1_10)) { var_1_10 = var_1_9; } // From: Req4Batch37PS_CN_250 if (var_1_10 >= var_1_10) { if (var_1_9 < var_1_10) { var_1_11 = var_1_12; } } // From: Req1Batch37PS_CN_250 if ((var_1_2 - var_1_3) > var_1_17) { var_1_1 = (min ((min ((var_1_11 + var_1_3) , var_1_2)) , var_1_17)); } else { var_1_1 = 0; } // From: Req2Batch37PS_CN_250 signed long int stepLocal_1 = var_1_1 / (min (2 , var_1_2)); unsigned short int stepLocal_0 = var_1_3; if ((var_1_19 / var_1_8) < stepLocal_1) { if (var_1_1 >= stepLocal_0) { var_1_7 = 0.75f; } else { var_1_7 = var_1_9; } } } void updateVariables() { var_1_2 = __VERIFIER_nondet_ushort(); assume_abort_if_not(var_1_2 >= 32767); assume_abort_if_not(var_1_2 <= 65535); var_1_3 = __VERIFIER_nondet_ushort(); assume_abort_if_not(var_1_3 >= 0); assume_abort_if_not(var_1_3 <= 32767); var_1_8 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_8 >= 0); assume_abort_if_not(var_1_8 <= 255); assume_abort_if_not(var_1_8 != 0); var_1_9 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )); var_1_12 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_12 >= -127); assume_abort_if_not(var_1_12 <= 126); var_1_14 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_14 >= 0); assume_abort_if_not(var_1_14 <= 1); var_1_15 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_15 >= 2305843.009213691390e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )); var_1_16 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )); var_1_18 = __VERIFIER_nondet_ushort(); assume_abort_if_not(var_1_18 >= 32767); assume_abort_if_not(var_1_18 <= 65534); var_1_20 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_20 >= 4611686.018427387900e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )); var_1_21 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_21 >= 4611686.018427387900e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )); var_1_22 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_22 >= -127); assume_abort_if_not(var_1_22 <= 126); var_1_24 = __VERIFIER_nondet_ushort(); assume_abort_if_not(var_1_24 >= 0); assume_abort_if_not(var_1_24 <= 65535); var_1_25 = __VERIFIER_nondet_long(); assume_abort_if_not(var_1_25 >= -2147483648); assume_abort_if_not(var_1_25 <= 2147483647); var_1_26 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_26 >= -127); assume_abort_if_not(var_1_26 <= 126); var_1_29 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_29 >= -127); assume_abort_if_not(var_1_29 <= 127); var_1_30 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_30 >= 0); assume_abort_if_not(var_1_30 <= 254); var_1_31 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_31 >= 127); assume_abort_if_not(var_1_31 <= 254); var_1_32 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_32 >= 0); assume_abort_if_not(var_1_32 <= 127); var_1_33 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_33 >= 0); assume_abort_if_not(var_1_33 <= 254); var_1_34 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_34 >= 0); assume_abort_if_not(var_1_34 <= 127); var_1_36 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_36 >= 0); assume_abort_if_not(var_1_36 <= 1); var_1_37 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_37 >= 0); assume_abort_if_not(var_1_37 <= 0); var_1_38 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_38 >= 0); assume_abort_if_not(var_1_38 <= 1); var_1_39 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_39 >= 0); assume_abort_if_not(var_1_39 <= 0); var_1_40 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_40 >= 0); assume_abort_if_not(var_1_40 <= 0); var_1_42 = __VERIFIER_nondet_short(); assume_abort_if_not(var_1_42 >= 0); assume_abort_if_not(var_1_42 <= 32); var_1_43 = __VERIFIER_nondet_short(); assume_abort_if_not(var_1_43 >= 0); assume_abort_if_not(var_1_43 <= 32); var_1_44 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_44 >= -128); assume_abort_if_not(var_1_44 <= 127); var_1_45 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_45 >= -128); assume_abort_if_not(var_1_45 <= 127); assume_abort_if_not(var_1_45 != 0); var_1_46 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_46 >= -128); assume_abort_if_not(var_1_46 <= 127); assume_abort_if_not(var_1_46 != 0); var_1_48 = __VERIFIER_nondet_ushort(); assume_abort_if_not(var_1_48 >= 32767); assume_abort_if_not(var_1_48 <= 65534); var_1_49 = __VERIFIER_nondet_ushort(); assume_abort_if_not(var_1_49 >= 16383); assume_abort_if_not(var_1_49 <= 32767); var_1_50 = __VERIFIER_nondet_ushort(); assume_abort_if_not(var_1_50 >= 0); assume_abort_if_not(var_1_50 <= 65534); var_1_54 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_54 >= -922337.2036854765600e+13F && var_1_54 <= -1.0e-20F) || (var_1_54 <= 9223372.036854765600e+12F && var_1_54 >= 1.0e-20F )); var_1_56 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_56 >= 0.0F && var_1_56 <= -1.0e-20F) || (var_1_56 <= 9223372.036854765600e+12F && var_1_56 >= 1.0e-20F )); var_1_57 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_57 >= 0.0F && var_1_57 <= -1.0e-20F) || (var_1_57 <= 9223372.036854765600e+12F && var_1_57 >= 1.0e-20F )); var_1_59 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_59 >= 0.0F && var_1_59 <= -1.0e-20F) || (var_1_59 <= 4611686.018427382800e+12F && var_1_59 >= 1.0e-20F )); var_1_60 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_60 >= 0.0F && var_1_60 <= -1.0e-20F) || (var_1_60 <= 4611686.018427382800e+12F && var_1_60 >= 1.0e-20F )); var_1_61 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_61 >= -461168.6018427382800e+13F && var_1_61 <= -1.0e-20F) || (var_1_61 <= 4611686.018427382800e+12F && var_1_61 >= 1.0e-20F )); var_1_62 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_62 >= -461168.6018427382800e+13F && var_1_62 <= -1.0e-20F) || (var_1_62 <= 4611686.018427382800e+12F && var_1_62 >= 1.0e-20F )); var_1_65 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_65 >= -128); assume_abort_if_not(var_1_65 <= 127); var_1_69 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_69 >= -128); assume_abort_if_not(var_1_69 <= 127); var_1_71 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_71 >= 4611686.018427382800e+12F && var_1_71 <= -1.0e-20F) || (var_1_71 <= 9223372.036854765600e+12F && var_1_71 >= 1.0e-20F )); var_1_74 = __VERIFIER_nondet_long(); assume_abort_if_not(var_1_74 >= -2147483648); assume_abort_if_not(var_1_74 <= 2147483647); var_1_75 = __VERIFIER_nondet_ulong(); assume_abort_if_not(var_1_75 >= 0); assume_abort_if_not(var_1_75 <= 4294967294); var_1_77 = __VERIFIER_nondet_ulong(); assume_abort_if_not(var_1_77 >= 0); assume_abort_if_not(var_1_77 <= 4294967295); var_1_78 = __VERIFIER_nondet_ulong(); assume_abort_if_not(var_1_78 >= 2147483647); assume_abort_if_not(var_1_78 <= 4294967294); var_1_81 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_81 >= 95); assume_abort_if_not(var_1_81 <= 127); var_1_82 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_82 >= 64); assume_abort_if_not(var_1_82 <= 127); var_1_86 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_86 >= -922337.2036854776000e+13F && var_1_86 <= -1.0e-20F) || (var_1_86 <= 9223372.036854776000e+12F && var_1_86 >= 1.0e-20F )); var_1_90 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_90 >= -128); assume_abort_if_not(var_1_90 <= 127); var_1_95 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_95 >= 0); assume_abort_if_not(var_1_95 <= 255); } void updateLastVariables() { last_1_var_1_10 = var_1_10; last_1_var_1_13 = var_1_13; last_1_var_1_17 = var_1_17; last_1_var_1_19 = var_1_19; } int property() { return ((((((((var_1_2 - var_1_3) > var_1_17) ? (var_1_1 == ((signed long int) (min ((min ((var_1_11 + var_1_3) , var_1_2)) , var_1_17)))) : (var_1_1 == ((signed long int) 0))) && (((var_1_19 / var_1_8) < (var_1_1 / (min (2 , var_1_2)))) ? ((var_1_1 >= var_1_3) ? (var_1_7 == ((float) 0.75f)) : (var_1_7 == ((float) var_1_9))) : 1)) && (((var_1_17 >= var_1_17) || (var_1_9 > last_1_var_1_10)) ? (var_1_10 == ((float) var_1_9)) : 1)) && ((var_1_10 >= var_1_10) ? ((var_1_9 < var_1_10) ? (var_1_11 == ((signed char) var_1_12)) : 1) : 1)) && (var_1_14 ? ((last_1_var_1_13 <= var_1_9) ? (var_1_13 == ((double) var_1_9)) : (((min (last_1_var_1_17 , (var_1_2 * last_1_var_1_17))) == (var_1_3 + last_1_var_1_19)) ? (var_1_13 == ((double) 8.75)) : (var_1_13 == ((double) (16.5 + ((var_1_15 - 49.35) - var_1_16)))))) : 1)) && (var_1_17 == ((unsigned short int) (var_1_18 - var_1_3)))) && ((var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16))) ? (var_1_19 == ((signed char) (max (var_1_12 , var_1_22)))) : (var_1_19 == ((signed char) var_1_12))) ; } int main(void) { isInitial = 1; initially(); while (1) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }