// 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_Batch88PS_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 double var_1_1 = 15.8; float var_1_2 = 9.5; float var_1_4 = 127.6; double var_1_5 = 100000000000000.5; double var_1_6 = 100000000000000.7; double var_1_7 = 256.75; unsigned char var_1_8 = 0; unsigned char var_1_9 = 1; unsigned char var_1_10 = 0; unsigned char var_1_11 = 0; signed char var_1_12 = 0; signed char var_1_13 = 2; unsigned char var_1_14 = 1; unsigned char var_1_16 = 10; unsigned char var_1_18 = 4; unsigned char var_1_19 = 8; unsigned char var_1_20 = 8; unsigned short int var_1_21 = 128; unsigned char var_1_22 = 0; unsigned short int var_1_24 = 34649; unsigned long int var_1_25 = 32; signed char var_1_26 = -128; signed char var_1_27 = 10; signed long int var_1_28 = 32; unsigned char var_1_29 = 1; unsigned char var_1_30 = 1; signed long int var_1_31 = -10000000; signed char var_1_32 = 4; signed char var_1_33 = 32; signed char var_1_34 = 1; unsigned long int var_1_35 = 5; unsigned long int var_1_36 = 5; unsigned long int var_1_37 = 5; unsigned long int var_1_38 = 1000000000; unsigned long int var_1_39 = 1955564829; unsigned char var_1_40 = 16; unsigned char var_1_41 = 16; unsigned char var_1_42 = 128; unsigned long int var_1_43 = 0; double var_1_44 = 4.75; double var_1_45 = 9.6; double var_1_46 = 25.125; unsigned char var_1_47 = 1; unsigned char var_1_48 = 0; double var_1_49 = 50.75; unsigned char var_1_50 = 1; double var_1_51 = 255.35; double var_1_52 = 64.8; unsigned short int var_1_53 = 4; float var_1_54 = 8.8; float var_1_55 = 64.75; float var_1_56 = 64.6; float var_1_57 = 0.25; float var_1_58 = 64.6; signed char var_1_59 = 32; unsigned short int var_1_60 = 2; unsigned long int var_1_61 = 1; signed char var_1_62 = -16; double var_1_63 = 2.451; signed char var_1_64 = 16; unsigned long int var_1_65 = 64; unsigned long int var_1_66 = 4; unsigned long int var_1_67 = 4035324974; unsigned char var_1_68 = 1; unsigned char var_1_69 = 128; unsigned short int var_1_70 = 10000; unsigned long int var_1_71 = 10; unsigned long int var_1_72 = 64; float var_1_73 = 32.5; unsigned char var_1_74 = 1; unsigned char var_1_75 = 1; unsigned char var_1_76 = 1; unsigned char var_1_77 = 0; unsigned char var_1_78 = 0; double var_1_79 = 3.5; double var_1_80 = 256.75; double var_1_81 = 15.5; double var_1_82 = 31.45; unsigned short int var_1_83 = 256; unsigned short int var_1_84 = 256; signed long int var_1_85 = -25; unsigned char var_1_86 = 0; // Calibration values // Last'ed variables unsigned char last_1_var_1_8 = 0; unsigned short int last_1_var_1_21 = 128; unsigned char last_1_var_1_22 = 0; // Additional functions void initially(void) { } void step(void) { // From: CodeObject1 if (var_1_29 && var_1_30) { if ((256 % var_1_31) >= (min (var_1_28 , var_1_26))) { if (var_1_27 <= (var_1_32 - (var_1_33 + var_1_34))) { var_1_25 = (min (var_1_33 , ((var_1_34 + var_1_35) + (min (var_1_36 , var_1_37))))); } else { if (-100 >= var_1_26) { var_1_25 = (((var_1_38 - 64u) + var_1_33) + (min ((var_1_39 - 5u) , var_1_34))); } else { if (var_1_36 <= var_1_39) { var_1_25 = ((max (var_1_36 , (var_1_35 + var_1_33))) + (var_1_39 - var_1_34)); } else { if (-8 != var_1_35) { var_1_25 = (abs (var_1_34 + (var_1_39 - var_1_35))); } } } } } else { var_1_25 = var_1_34; } } else { var_1_25 = var_1_39; } // From: CodeObject2 if (((abs (var_1_34)) - (abs (var_1_32))) <= var_1_36) { var_1_40 = (abs (abs (abs (var_1_41)))); } else { if (! var_1_30) { var_1_40 = (min ((var_1_42 - 4) , var_1_33)); } } // From: CodeObject3 if ((~ var_1_40) != var_1_35) { var_1_43 = (abs (min (4u , var_1_35))); } else { if (! ((var_1_44 * var_1_45) < 1.4)) { if ((var_1_45 * var_1_44) >= var_1_46) { var_1_43 = 256u; } else { var_1_43 = (abs (var_1_39)); } } else { if (var_1_39 > (~ var_1_40)) { var_1_43 = var_1_33; } else { var_1_43 = var_1_34; } } } // From: CodeObject4 if (var_1_44 > (abs (var_1_45))) { var_1_47 = (var_1_29 && var_1_48); } // From: CodeObject5 if (var_1_50) { if (var_1_35 <= ((4u & var_1_40) / var_1_42)) { var_1_49 = (abs (max ((abs (var_1_51)) , var_1_52))); } } // From: CodeObject6 if (var_1_34 > var_1_31) { if (var_1_50) { var_1_53 = ((abs (var_1_41)) + (abs (var_1_42))); } else { var_1_53 = (abs (var_1_34)); } } else { var_1_53 = (var_1_42 + 1); } // From: CodeObject7 if ((var_1_32 >= var_1_31) || (var_1_33 <= var_1_39)) { var_1_54 = (max (var_1_51 , var_1_52)); } else { var_1_54 = (abs (min (var_1_51 , (var_1_55 - var_1_56)))); } // From: CodeObject8 if (var_1_45 > ((min (1.5 , var_1_52)) + 128.23)) { var_1_57 = ((4.5f + var_1_58) - var_1_56); } // From: CodeObject9 if (var_1_47) { if (var_1_28 >= var_1_53) { if (var_1_51 < var_1_56) { var_1_59 = var_1_34; } } } // From: CodeObject10 if (var_1_38 > (- (var_1_39 | var_1_61))) { if (var_1_54 >= var_1_45) { var_1_60 = (min (var_1_34 , var_1_41)); } else { var_1_60 = (abs (var_1_33)); } } // From: CodeObject11 if (var_1_63 >= var_1_49) { if (var_1_46 > var_1_45) { var_1_62 = (max (var_1_33 , var_1_34)); } else { if (128.6 < var_1_44) { var_1_62 = (min (var_1_34 , var_1_33)); } else { var_1_62 = (min ((abs (max (var_1_34 , var_1_33))) , var_1_64)); } } } // From: CodeObject12 if ((max (var_1_45 , 7.25)) > (min (var_1_58 , var_1_57))) { if (((var_1_34 >> var_1_64) ^ var_1_39) >= (abs (25u >> var_1_27))) { var_1_65 = (max (var_1_41 , (abs (var_1_40)))); } } // From: CodeObject13 if (! ((10 ^ var_1_34) > var_1_40)) { if (! (! var_1_50)) { if (var_1_51 <= var_1_49) { var_1_66 = (abs (var_1_40)); } } else { if (var_1_44 >= (max (9.5 , 0.0))) { var_1_66 = (var_1_67 - (max (var_1_34 , 16u))); } else { var_1_66 = (abs (var_1_38)); } } } // From: CodeObject14 if (var_1_38 <= (min (var_1_39 , var_1_61))) { if ((abs (abs (var_1_40))) != var_1_32) { var_1_68 = (max (var_1_33 , var_1_41)); } else { if ((- var_1_45) <= var_1_52) { var_1_68 = ((max (var_1_69 , var_1_42)) - var_1_33); } } } // From: CodeObject15 if (var_1_50) { var_1_70 = (min (var_1_42 , var_1_68)); } // From: CodeObject16 if ((var_1_31 % var_1_67) > (abs (var_1_25))) { var_1_71 = (max (var_1_72 , (abs (var_1_36)))); } // From: CodeObject17 if (4.5 == var_1_44) { if (var_1_65 >= var_1_66) { var_1_73 = (abs (var_1_58)); } } // From: CodeObject18 if (! ((~ var_1_39) < var_1_37)) { var_1_74 = (! ((var_1_75 && var_1_76) && var_1_77)); } else { if (var_1_75) { var_1_74 = ((var_1_30 && var_1_48) || var_1_78); } else { var_1_74 = var_1_76; } } // From: CodeObject19 if (var_1_80 < var_1_81) { if (var_1_45 <= (max (var_1_58 , var_1_63))) { if (var_1_54 > (var_1_57 * var_1_56)) { var_1_79 = ((min (var_1_55 , var_1_58)) - 256.4); } } } else { var_1_79 = var_1_82; } // From: CodeObject20 if (var_1_30) { var_1_83 = var_1_33; } else { var_1_83 = var_1_69; } // From: CodeObject21 if (var_1_77) { var_1_84 = var_1_33; } else { var_1_84 = var_1_34; } // From: CodeObject22 if (0.19999999999999996 >= var_1_56) { var_1_85 = var_1_35; } // From: CodeObject23 if (var_1_51 >= var_1_58) { if (var_1_50) { var_1_86 = (! (var_1_48 || var_1_78)); } else { var_1_86 = (var_1_78 || var_1_48); } } // From: Req1Batch88PS_CN_250 if (64.5f <= var_1_2) { if (last_1_var_1_8) { if (var_1_2 == var_1_4) { var_1_1 = (var_1_5 + (min ((max (var_1_6 , var_1_7)) , 50.25))); } else { var_1_1 = var_1_7; } } else { var_1_1 = var_1_5; } } // From: Req2Batch88PS_CN_250 if (var_1_1 > ((var_1_1 * var_1_5) + 5.3)) { if ((var_1_7 + var_1_1) < var_1_6) { var_1_8 = var_1_9; } else { var_1_8 = var_1_10; } } else { var_1_8 = var_1_11; } // From: Req4Batch88PS_CN_250 signed long int stepLocal_0 = (last_1_var_1_22 / var_1_16) * last_1_var_1_21; if (last_1_var_1_21 < stepLocal_0) { var_1_14 = ((var_1_18 + var_1_19) + var_1_20); } else { var_1_14 = var_1_18; } // From: Req6Batch88PS_CN_250 signed long int stepLocal_3 = var_1_18 << var_1_14; signed long int stepLocal_2 = (var_1_14 | var_1_18) / (var_1_24 - 1); if (var_1_19 == stepLocal_3) { if (last_1_var_1_22 >= stepLocal_2) { var_1_22 = 2; } else { var_1_22 = var_1_20; } } else { var_1_22 = 64; } // From: Req3Batch88PS_CN_250 if (((- var_1_1) / 24.75) < var_1_6) { if (var_1_7 >= var_1_1) { var_1_12 = var_1_13; } else { var_1_12 = var_1_13; } } // From: Req5Batch88PS_CN_250 unsigned char stepLocal_1 = var_1_10; if (var_1_8 && stepLocal_1) { var_1_21 = (max ((abs (var_1_19)) , 2)); } } void updateVariables() { var_1_2 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )); var_1_4 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )); var_1_5 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )); var_1_6 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )); var_1_7 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )); var_1_9 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_9 >= 1); assume_abort_if_not(var_1_9 <= 1); var_1_10 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_10 >= 0); assume_abort_if_not(var_1_10 <= 0); var_1_11 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_11 >= 0); assume_abort_if_not(var_1_11 <= 0); var_1_13 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_13 >= -127); assume_abort_if_not(var_1_13 <= 126); var_1_16 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_16 >= 0); assume_abort_if_not(var_1_16 <= 255); assume_abort_if_not(var_1_16 != 0); var_1_18 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_18 >= 0); assume_abort_if_not(var_1_18 <= 64); var_1_19 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_19 >= 0); assume_abort_if_not(var_1_19 <= 63); var_1_20 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_20 >= 0); assume_abort_if_not(var_1_20 <= 127); var_1_24 = __VERIFIER_nondet_ushort(); assume_abort_if_not(var_1_24 >= 32767); assume_abort_if_not(var_1_24 <= 65535); var_1_26 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_26 >= -128); assume_abort_if_not(var_1_26 <= 127); var_1_27 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_27 >= -128); assume_abort_if_not(var_1_27 <= 127); var_1_28 = __VERIFIER_nondet_long(); assume_abort_if_not(var_1_28 >= -2147483648); assume_abort_if_not(var_1_28 <= 2147483647); var_1_29 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_29 >= 0); assume_abort_if_not(var_1_29 <= 1); var_1_30 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_30 >= 0); assume_abort_if_not(var_1_30 <= 1); var_1_31 = __VERIFIER_nondet_long(); assume_abort_if_not(var_1_31 >= -2147483648); assume_abort_if_not(var_1_31 <= 2147483647); assume_abort_if_not(var_1_31 != 0); var_1_32 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_32 >= -1); assume_abort_if_not(var_1_32 <= 127); var_1_33 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_33 >= 0); assume_abort_if_not(var_1_33 <= 64); var_1_34 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_34 >= 0); assume_abort_if_not(var_1_34 <= 63); var_1_35 = __VERIFIER_nondet_ulong(); assume_abort_if_not(var_1_35 >= 0); assume_abort_if_not(var_1_35 <= 1073741823); var_1_36 = __VERIFIER_nondet_ulong(); assume_abort_if_not(var_1_36 >= 0); assume_abort_if_not(var_1_36 <= 2147483647); var_1_37 = __VERIFIER_nondet_ulong(); assume_abort_if_not(var_1_37 >= 0); assume_abort_if_not(var_1_37 <= 2147483647); var_1_38 = __VERIFIER_nondet_ulong(); assume_abort_if_not(var_1_38 >= 536870912); assume_abort_if_not(var_1_38 <= 1073741824); var_1_39 = __VERIFIER_nondet_ulong(); assume_abort_if_not(var_1_39 >= 1073741823); assume_abort_if_not(var_1_39 <= 2147483647); var_1_41 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_41 >= 0); assume_abort_if_not(var_1_41 <= 254); var_1_42 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_42 >= 127); assume_abort_if_not(var_1_42 <= 254); var_1_44 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_44 >= -922337.2036854776000e+13F && var_1_44 <= -1.0e-20F) || (var_1_44 <= 9223372.036854776000e+12F && var_1_44 >= 1.0e-20F )); var_1_45 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_45 >= -922337.2036854776000e+13F && var_1_45 <= -1.0e-20F) || (var_1_45 <= 9223372.036854776000e+12F && var_1_45 >= 1.0e-20F )); var_1_46 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_46 >= -922337.2036854776000e+13F && var_1_46 <= -1.0e-20F) || (var_1_46 <= 9223372.036854776000e+12F && var_1_46 >= 1.0e-20F )); var_1_48 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_48 >= 0); assume_abort_if_not(var_1_48 <= 0); var_1_50 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_50 >= 0); assume_abort_if_not(var_1_50 <= 1); var_1_51 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_51 >= -922337.2036854765600e+13F && var_1_51 <= -1.0e-20F) || (var_1_51 <= 9223372.036854765600e+12F && var_1_51 >= 1.0e-20F )); var_1_52 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_52 >= -922337.2036854765600e+13F && var_1_52 <= -1.0e-20F) || (var_1_52 <= 9223372.036854765600e+12F && var_1_52 >= 1.0e-20F )); var_1_55 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_55 >= 0.0F && var_1_55 <= -1.0e-20F) || (var_1_55 <= 9223372.036854765600e+12F && var_1_55 >= 1.0e-20F )); var_1_56 = __VERIFIER_nondet_float(); 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_58 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_58 >= 0.0F && var_1_58 <= -1.0e-20F) || (var_1_58 <= 4611686.018427382800e+12F && var_1_58 >= 1.0e-20F )); var_1_61 = __VERIFIER_nondet_ulong(); assume_abort_if_not(var_1_61 >= 0); assume_abort_if_not(var_1_61 <= 4294967295); var_1_63 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_63 >= -922337.2036854776000e+13F && var_1_63 <= -1.0e-20F) || (var_1_63 <= 9223372.036854776000e+12F && var_1_63 >= 1.0e-20F )); var_1_64 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_64 >= -127); assume_abort_if_not(var_1_64 <= 126); var_1_67 = __VERIFIER_nondet_ulong(); assume_abort_if_not(var_1_67 >= 2147483647); assume_abort_if_not(var_1_67 <= 4294967294); var_1_69 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_69 >= 127); assume_abort_if_not(var_1_69 <= 254); var_1_72 = __VERIFIER_nondet_ulong(); assume_abort_if_not(var_1_72 >= 0); assume_abort_if_not(var_1_72 <= 4294967294); var_1_75 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_75 >= 1); assume_abort_if_not(var_1_75 <= 1); var_1_76 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_76 >= 1); assume_abort_if_not(var_1_76 <= 1); var_1_77 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_77 >= 1); assume_abort_if_not(var_1_77 <= 1); var_1_78 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_78 >= 0); assume_abort_if_not(var_1_78 <= 0); var_1_80 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_80 >= -922337.2036854776000e+13F && var_1_80 <= -1.0e-20F) || (var_1_80 <= 9223372.036854776000e+12F && var_1_80 >= 1.0e-20F )); var_1_81 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_81 >= -922337.2036854776000e+13F && var_1_81 <= -1.0e-20F) || (var_1_81 <= 9223372.036854776000e+12F && var_1_81 >= 1.0e-20F )); var_1_82 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_82 >= -922337.2036854765600e+13F && var_1_82 <= -1.0e-20F) || (var_1_82 <= 9223372.036854765600e+12F && var_1_82 >= 1.0e-20F )); } void updateLastVariables() { last_1_var_1_8 = var_1_8; last_1_var_1_21 = var_1_21; last_1_var_1_22 = var_1_22; } int property() { return ((((((64.5f <= var_1_2) ? (last_1_var_1_8 ? ((var_1_2 == var_1_4) ? (var_1_1 == ((double) (var_1_5 + (min ((max (var_1_6 , var_1_7)) , 50.25))))) : (var_1_1 == ((double) var_1_7))) : (var_1_1 == ((double) var_1_5))) : 1) && ((var_1_1 > ((var_1_1 * var_1_5) + 5.3)) ? (((var_1_7 + var_1_1) < var_1_6) ? (var_1_8 == ((unsigned char) var_1_9)) : (var_1_8 == ((unsigned char) var_1_10))) : (var_1_8 == ((unsigned char) var_1_11)))) && ((((- var_1_1) / 24.75) < var_1_6) ? ((var_1_7 >= var_1_1) ? (var_1_12 == ((signed char) var_1_13)) : (var_1_12 == ((signed char) var_1_13))) : 1)) && ((last_1_var_1_21 < ((last_1_var_1_22 / var_1_16) * last_1_var_1_21)) ? (var_1_14 == ((unsigned char) ((var_1_18 + var_1_19) + var_1_20))) : (var_1_14 == ((unsigned char) var_1_18)))) && ((var_1_8 && var_1_10) ? (var_1_21 == ((unsigned short int) (max ((abs (var_1_19)) , 2)))) : 1)) && ((var_1_19 == (var_1_18 << var_1_14)) ? ((last_1_var_1_22 >= ((var_1_14 | var_1_18) / (var_1_24 - 1))) ? (var_1_22 == ((unsigned char) 2)) : (var_1_22 == ((unsigned char) var_1_20))) : (var_1_22 == ((unsigned char) 64))) ; } int main(void) { isInitial = 1; initially(); while (1) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }