// 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_Batch96Amount250.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 = 200; float var_1_6 = 100000000.15; unsigned char var_1_8 = 0; float var_1_9 = -0.25; float var_1_10 = 63.5; signed short int var_1_11 = 1; signed short int var_1_13 = 1; float var_1_16 = 1000000000000.145; float var_1_17 = 255.4; float var_1_18 = 1.8; float var_1_19 = 50.2; unsigned short int var_1_20 = 2; unsigned short int var_1_24 = 32; unsigned char var_1_25 = 2; unsigned char var_1_26 = 200; unsigned char var_1_27 = 0; unsigned char var_1_28 = 128; unsigned char var_1_29 = 50; unsigned char var_1_30 = 32; unsigned char var_1_31 = 4; float var_1_32 = 128.6; float var_1_33 = 16.5; float var_1_35 = 255.5; float var_1_36 = 32.7; float var_1_37 = 10000.75; float var_1_38 = 8.7; unsigned long int var_1_39 = 32; float var_1_40 = 16.5; signed char var_1_42 = -128; signed char var_1_43 = 2; signed char var_1_44 = 2; signed short int var_1_45 = 5; unsigned char var_1_46 = 4; float var_1_47 = 100.5; float var_1_48 = 0.0; float var_1_49 = 0.0; float var_1_50 = 0.0; float var_1_51 = 4.75; float var_1_52 = 25.2; unsigned long int var_1_53 = 2668611408; signed short int var_1_55 = 16; signed char var_1_56 = -1; signed long int var_1_57 = -4; unsigned short int var_1_60 = 4; signed char var_1_61 = 4; signed char var_1_62 = 64; signed char var_1_63 = -8; unsigned char var_1_64 = 0; unsigned char var_1_65 = 0; signed long int var_1_66 = 256; double var_1_68 = 99999999.75; unsigned long int var_1_69 = 256; unsigned short int var_1_70 = 100; unsigned short int var_1_71 = 64; // Calibration values // Last'ed variables float last_1_var_1_6 = 100000000.15; float last_1_var_1_16 = 1000000000000.145; unsigned short int last_1_var_1_20 = 2; unsigned char last_1_var_1_25 = 2; unsigned long int last_1_var_1_39 = 32; signed char last_1_var_1_42 = -128; unsigned char last_1_var_1_46 = 4; signed char last_1_var_1_56 = -1; signed char last_1_var_1_61 = 4; double last_1_var_1_68 = 99999999.75; unsigned short int last_1_var_1_71 = 64; // Additional functions void initially(void) { } void step(void) { // From: Req20Batch96Amount250 signed long int stepLocal_15 = last_1_var_1_42; if (stepLocal_15 < last_1_var_1_46) { var_1_57 = ((min (last_1_var_1_71 , last_1_var_1_25)) - last_1_var_1_46); } else { if (((min (var_1_48 , var_1_18)) - var_1_49) < (last_1_var_1_68 * last_1_var_1_16)) { var_1_57 = (last_1_var_1_56 + (last_1_var_1_46 - 128)); } else { var_1_57 = (last_1_var_1_20 + last_1_var_1_61); } } // From: Req23Batch96Amount250 if (var_1_9 < last_1_var_1_6) { var_1_63 = -2; } // From: Req3Batch96Amount250 var_1_11 = (min (var_1_63 , 2)); // From: Req21Batch96Amount250 if ((var_1_29 - var_1_44) > -4) { if (var_1_48 >= (var_1_37 + (3.1f + 4.8f))) { var_1_60 = var_1_63; } } else { var_1_60 = var_1_30; } // From: Req5Batch96Amount250 if (! (var_1_10 > var_1_9)) { var_1_16 = (max ((max (var_1_9 , (var_1_17 - var_1_18))) , var_1_10)); } // From: Req6Batch96Amount250 if (var_1_18 <= (- var_1_10)) { var_1_19 = (min (var_1_9 , var_1_10)); } // From: Req16Batch96Amount250 signed long int stepLocal_11 = var_1_60 + var_1_60; if (var_1_30 > stepLocal_11) { var_1_47 = (((var_1_48 + var_1_49) - (abs (var_1_37))) - (var_1_50 - var_1_51)); } else { var_1_47 = (abs (var_1_50)); } // From: Req24Batch96Amount250 if (var_1_8) { var_1_64 = var_1_65; } else { var_1_64 = var_1_65; } // From: Req27Batch96Amount250 var_1_69 = var_1_30; // From: Req28Batch96Amount250 var_1_70 = var_1_28; // From: Req29Batch96Amount250 var_1_71 = 1; // From: Req22Batch96Amount250 unsigned char stepLocal_16 = (var_1_44 - 16) > var_1_57; if (stepLocal_16 || var_1_64) { var_1_61 = (abs ((var_1_62 - var_1_27) - var_1_31)); } else { var_1_61 = (var_1_43 - (min (5 , var_1_31))); } // From: Req9Batch96Amount250 signed short int stepLocal_4 = var_1_11; if (! (var_1_70 <= (- var_1_70))) { if (stepLocal_4 > last_1_var_1_25) { var_1_25 = ((min ((var_1_26 - var_1_27) , var_1_28)) - var_1_29); } else { var_1_25 = ((var_1_26 - (var_1_30 + var_1_31)) - var_1_27); } } else { var_1_25 = (var_1_27 + var_1_31); } // From: Req4Batch96Amount250 unsigned short int stepLocal_2 = var_1_60; if (var_1_70 <= stepLocal_2) { var_1_13 = (abs (max (var_1_61 , var_1_61))); } // From: Req15Batch96Amount250 if (var_1_64) { var_1_46 = (var_1_27 + var_1_29); } else { var_1_46 = (var_1_27 + (max (16 , (var_1_31 + var_1_30)))); } // From: Req19Batch96Amount250 if ((var_1_64 || (! var_1_64)) || var_1_64) { var_1_56 = (max (var_1_44 , (-5 + var_1_31))); } // From: Req25Batch96Amount250 if (var_1_64) { var_1_66 = var_1_71; } else { var_1_66 = var_1_13; } // From: Req8Batch96Amount250 unsigned long int stepLocal_3 = var_1_69; if (var_1_10 >= (var_1_18 - var_1_17)) { if (var_1_64) { if (var_1_63 >= stepLocal_3) { var_1_24 = var_1_46; } } } else { var_1_24 = (32 + var_1_46); } // From: Req18Batch96Amount250 signed long int stepLocal_14 = max (var_1_46 , var_1_24); if ((var_1_30 - (var_1_31 + var_1_27)) < stepLocal_14) { var_1_55 = (var_1_43 - var_1_31); } else { var_1_55 = ((max (256 , var_1_43)) - (abs (var_1_27 + var_1_24))); } // From: Req26Batch96Amount250 if (var_1_30 != var_1_55) { var_1_68 = (abs (var_1_36)); } else { var_1_68 = (var_1_37 + var_1_49); } // From: Req11Batch96Amount250 signed long int stepLocal_7 = -1 | (var_1_25 & var_1_71); unsigned char stepLocal_6 = var_1_25 != (abs (var_1_70)); unsigned char stepLocal_5 = var_1_64; if (var_1_64 && stepLocal_5) { if ((var_1_19 <= (var_1_10 / 256.36f)) || stepLocal_6) { var_1_33 = (64.5f + (16.2f + var_1_35)); } else { if (stepLocal_7 < var_1_56) { var_1_33 = (var_1_35 + (max ((min (var_1_36 , var_1_37)) , var_1_38))); } } } else { var_1_33 = (abs (var_1_10)); } // From: Req14Batch96Amount250 signed char stepLocal_10 = var_1_44; if (var_1_55 < stepLocal_10) { var_1_45 = (min (var_1_61 , var_1_28)); } else { var_1_45 = (-10 + var_1_24); } // From: Req17Batch96Amount250 unsigned char stepLocal_13 = var_1_64; signed long int stepLocal_12 = var_1_24 ^ var_1_46; if ((var_1_53 - var_1_46) < stepLocal_12) { var_1_52 = var_1_10; } else { if (var_1_16 < var_1_10) { var_1_52 = (var_1_37 + var_1_38); } else { if ((var_1_10 < var_1_37) && stepLocal_13) { var_1_52 = (min (var_1_38 , var_1_51)); } } } // From: Req12Batch96Amount250 unsigned char stepLocal_8 = var_1_64 && var_1_64; if (var_1_33 >= ((var_1_36 / var_1_40) * var_1_52)) { var_1_39 = (var_1_46 + (var_1_31 + var_1_57)); } else { if (stepLocal_8 || var_1_64) { var_1_39 = (((var_1_28 + last_1_var_1_39) + var_1_25) + ((max (var_1_27 , var_1_31)) + 128u)); } else { var_1_39 = (var_1_57 + var_1_60); } } // From: Req13Batch96Amount250 unsigned long int stepLocal_9 = var_1_39; if (var_1_27 < stepLocal_9) { var_1_42 = ((min (var_1_31 , var_1_30)) + (abs (var_1_27))); } else { if (var_1_36 > ((var_1_18 - var_1_17) + var_1_35)) { var_1_42 = ((100 - 32) - var_1_30); } else { var_1_42 = (min ((min ((max (var_1_31 , var_1_26)) , (var_1_27 + var_1_30))) , (var_1_43 - var_1_44))); } } // From: Req7Batch96Amount250 if ((max ((128.25f + var_1_16) , var_1_68)) < (max (var_1_18 , var_1_10))) { var_1_20 = (max (var_1_46 , (256 + (min (var_1_46 , var_1_46))))); } // From: Req1Batch96Amount250 var_1_1 = (min (var_1_71 , (var_1_20 - (min (var_1_60 , var_1_46))))); // From: Req10Batch96Amount250 if ((var_1_25 * var_1_24) <= ((var_1_45 ^ var_1_25) + (var_1_71 ^ var_1_61))) { if (((-1 / -4) << (32u - 2u)) <= var_1_71) { if ((abs (var_1_55)) > var_1_24) { var_1_32 = var_1_17; } } else { var_1_32 = var_1_18; } } // From: Req2Batch96Amount250 unsigned short int stepLocal_1 = var_1_20; signed long int stepLocal_0 = 0; if (stepLocal_0 == (min (-4 , var_1_60))) { if (var_1_64) { if (var_1_25 < stepLocal_1) { var_1_6 = (max (var_1_9 , var_1_10)); } else { var_1_6 = var_1_10; } } } } void updateVariables() { var_1_8 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_8 >= 0); assume_abort_if_not(var_1_8 <= 1); 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_10 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )); var_1_17 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )); var_1_18 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )); var_1_26 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_26 >= 190); assume_abort_if_not(var_1_26 <= 254); var_1_27 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_27 >= 0); assume_abort_if_not(var_1_27 <= 63); var_1_28 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_28 >= 127); assume_abort_if_not(var_1_28 <= 254); var_1_29 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_29 >= 0); 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 <= 32); var_1_31 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_31 >= 0); assume_abort_if_not(var_1_31 <= 31); var_1_35 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_35 >= -230584.3009213691390e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 2305843.009213691390e+12F && var_1_35 >= 1.0e-20F )); var_1_36 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_36 >= -461168.6018427382800e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )); var_1_37 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_37 >= -461168.6018427382800e+13F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )); var_1_38 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_38 >= -461168.6018427382800e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 4611686.018427382800e+12F && var_1_38 >= 1.0e-20F )); var_1_40 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_40 >= -922337.2036854776000e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )); assume_abort_if_not(var_1_40 != 0.0F); var_1_43 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_43 >= -1); assume_abort_if_not(var_1_43 <= 126); var_1_44 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_44 >= 0); assume_abort_if_not(var_1_44 <= 126); var_1_48 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_48 >= 2305843.009213691390e+12F && var_1_48 <= -1.0e-20F) || (var_1_48 <= 4611686.018427382800e+12F && var_1_48 >= 1.0e-20F )); var_1_49 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_49 >= 2305843.009213691390e+12F && var_1_49 <= -1.0e-20F) || (var_1_49 <= 4611686.018427382800e+12F && var_1_49 >= 1.0e-20F )); var_1_50 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_50 >= 4611686.018427382800e+12F && var_1_50 <= -1.0e-20F) || (var_1_50 <= 9223372.036854765600e+12F && var_1_50 >= 1.0e-20F )); var_1_51 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_51 >= 0.0F && var_1_51 <= -1.0e-20F) || (var_1_51 <= 4611686.018427382800e+12F && var_1_51 >= 1.0e-20F )); var_1_53 = __VERIFIER_nondet_ulong(); assume_abort_if_not(var_1_53 >= 2147483647); assume_abort_if_not(var_1_53 <= 4294967295); var_1_62 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_62 >= 63); assume_abort_if_not(var_1_62 <= 126); var_1_65 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_65 >= 1); assume_abort_if_not(var_1_65 <= 1); } void updateLastVariables() { last_1_var_1_6 = var_1_6; last_1_var_1_16 = var_1_16; last_1_var_1_20 = var_1_20; last_1_var_1_25 = var_1_25; last_1_var_1_39 = var_1_39; last_1_var_1_42 = var_1_42; last_1_var_1_46 = var_1_46; last_1_var_1_56 = var_1_56; last_1_var_1_61 = var_1_61; last_1_var_1_68 = var_1_68; last_1_var_1_71 = var_1_71; } int property() { return ((((((((((((((((((((((((((((var_1_1 == ((signed long int) (min (var_1_71 , (var_1_20 - (min (var_1_60 , var_1_46))))))) && ((0 == (min (-4 , var_1_60))) ? (var_1_64 ? ((var_1_25 < var_1_20) ? (var_1_6 == ((float) (max (var_1_9 , var_1_10)))) : (var_1_6 == ((float) var_1_10))) : 1) : 1)) && (var_1_11 == ((signed short int) (min (var_1_63 , 2))))) && ((var_1_70 <= var_1_60) ? (var_1_13 == ((signed short int) (abs (max (var_1_61 , var_1_61))))) : 1)) && ((! (var_1_10 > var_1_9)) ? (var_1_16 == ((float) (max ((max (var_1_9 , (var_1_17 - var_1_18))) , var_1_10)))) : 1)) && ((var_1_18 <= (- var_1_10)) ? (var_1_19 == ((float) (min (var_1_9 , var_1_10)))) : 1)) && (((max ((128.25f + var_1_16) , var_1_68)) < (max (var_1_18 , var_1_10))) ? (var_1_20 == ((unsigned short int) (max (var_1_46 , (256 + (min (var_1_46 , var_1_46))))))) : 1)) && ((var_1_10 >= (var_1_18 - var_1_17)) ? (var_1_64 ? ((var_1_63 >= var_1_69) ? (var_1_24 == ((unsigned short int) var_1_46)) : 1) : 1) : (var_1_24 == ((unsigned short int) (32 + var_1_46))))) && ((! (var_1_70 <= (- var_1_70))) ? ((var_1_11 > last_1_var_1_25) ? (var_1_25 == ((unsigned char) ((min ((var_1_26 - var_1_27) , var_1_28)) - var_1_29))) : (var_1_25 == ((unsigned char) ((var_1_26 - (var_1_30 + var_1_31)) - var_1_27)))) : (var_1_25 == ((unsigned char) (var_1_27 + var_1_31))))) && (((var_1_25 * var_1_24) <= ((var_1_45 ^ var_1_25) + (var_1_71 ^ var_1_61))) ? ((((-1 / -4) << (32u - 2u)) <= var_1_71) ? (((abs (var_1_55)) > var_1_24) ? (var_1_32 == ((float) var_1_17)) : 1) : (var_1_32 == ((float) var_1_18))) : 1)) && ((var_1_64 && var_1_64) ? (((var_1_19 <= (var_1_10 / 256.36f)) || (var_1_25 != (abs (var_1_70)))) ? (var_1_33 == ((float) (64.5f + (16.2f + var_1_35)))) : (((-1 | (var_1_25 & var_1_71)) < var_1_56) ? (var_1_33 == ((float) (var_1_35 + (max ((min (var_1_36 , var_1_37)) , var_1_38))))) : 1)) : (var_1_33 == ((float) (abs (var_1_10)))))) && ((var_1_33 >= ((var_1_36 / var_1_40) * var_1_52)) ? (var_1_39 == ((unsigned long int) (var_1_46 + (var_1_31 + var_1_57)))) : (((var_1_64 && var_1_64) || var_1_64) ? (var_1_39 == ((unsigned long int) (((var_1_28 + last_1_var_1_39) + var_1_25) + ((max (var_1_27 , var_1_31)) + 128u)))) : (var_1_39 == ((unsigned long int) (var_1_57 + var_1_60)))))) && ((var_1_27 < var_1_39) ? (var_1_42 == ((signed char) ((min (var_1_31 , var_1_30)) + (abs (var_1_27))))) : ((var_1_36 > ((var_1_18 - var_1_17) + var_1_35)) ? (var_1_42 == ((signed char) ((100 - 32) - var_1_30))) : (var_1_42 == ((signed char) (min ((min ((max (var_1_31 , var_1_26)) , (var_1_27 + var_1_30))) , (var_1_43 - var_1_44)))))))) && ((var_1_55 < var_1_44) ? (var_1_45 == ((signed short int) (min (var_1_61 , var_1_28)))) : (var_1_45 == ((signed short int) (-10 + var_1_24))))) && (var_1_64 ? (var_1_46 == ((unsigned char) (var_1_27 + var_1_29))) : (var_1_46 == ((unsigned char) (var_1_27 + (max (16 , (var_1_31 + var_1_30)))))))) && ((var_1_30 > (var_1_60 + var_1_60)) ? (var_1_47 == ((float) (((var_1_48 + var_1_49) - (abs (var_1_37))) - (var_1_50 - var_1_51)))) : (var_1_47 == ((float) (abs (var_1_50)))))) && (((var_1_53 - var_1_46) < (var_1_24 ^ var_1_46)) ? (var_1_52 == ((float) var_1_10)) : ((var_1_16 < var_1_10) ? (var_1_52 == ((float) (var_1_37 + var_1_38))) : (((var_1_10 < var_1_37) && var_1_64) ? (var_1_52 == ((float) (min (var_1_38 , var_1_51)))) : 1)))) && (((var_1_30 - (var_1_31 + var_1_27)) < (max (var_1_46 , var_1_24))) ? (var_1_55 == ((signed short int) (var_1_43 - var_1_31))) : (var_1_55 == ((signed short int) ((max (256 , var_1_43)) - (abs (var_1_27 + var_1_24))))))) && (((var_1_64 || (! var_1_64)) || var_1_64) ? (var_1_56 == ((signed char) (max (var_1_44 , (-5 + var_1_31))))) : 1)) && ((last_1_var_1_42 < last_1_var_1_46) ? (var_1_57 == ((signed long int) ((min (last_1_var_1_71 , last_1_var_1_25)) - last_1_var_1_46))) : ((((min (var_1_48 , var_1_18)) - var_1_49) < (last_1_var_1_68 * last_1_var_1_16)) ? (var_1_57 == ((signed long int) (last_1_var_1_56 + (last_1_var_1_46 - 128)))) : (var_1_57 == ((signed long int) (last_1_var_1_20 + last_1_var_1_61)))))) && (((var_1_29 - var_1_44) > -4) ? ((var_1_48 >= (var_1_37 + (3.1f + 4.8f))) ? (var_1_60 == ((unsigned short int) var_1_63)) : 1) : (var_1_60 == ((unsigned short int) var_1_30)))) && ((((var_1_44 - 16) > var_1_57) || var_1_64) ? (var_1_61 == ((signed char) (abs ((var_1_62 - var_1_27) - var_1_31)))) : (var_1_61 == ((signed char) (var_1_43 - (min (5 , var_1_31))))))) && ((var_1_9 < last_1_var_1_6) ? (var_1_63 == ((signed char) -2)) : 1)) && (var_1_8 ? (var_1_64 == ((unsigned char) var_1_65)) : (var_1_64 == ((unsigned char) var_1_65)))) && (var_1_64 ? (var_1_66 == ((signed long int) var_1_71)) : (var_1_66 == ((signed long int) var_1_13)))) && ((var_1_30 != var_1_55) ? (var_1_68 == ((double) (abs (var_1_36)))) : (var_1_68 == ((double) (var_1_37 + var_1_49))))) && (var_1_69 == ((unsigned long int) var_1_30))) && (var_1_70 == ((unsigned short int) var_1_28))) && (var_1_71 == ((unsigned short int) 1)) ; } int main(void) { isInitial = 1; initially(); while (1) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }