java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 18:05:10,162 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 18:05:10,164 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 18:05:10,174 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 18:05:10,174 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 18:05:10,175 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 18:05:10,175 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 18:05:10,177 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 18:05:10,179 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 18:05:10,179 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 18:05:10,180 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 18:05:10,180 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 18:05:10,181 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 18:05:10,182 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 18:05:10,184 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 18:05:10,185 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 18:05:10,187 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 18:05:10,188 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 18:05:10,189 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 18:05:10,190 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 18:05:10,191 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 18:05:10,192 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 18:05:10,192 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 18:05:10,193 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 18:05:10,193 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 18:05:10,194 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 18:05:10,194 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 18:05:10,195 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 18:05:10,196 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 18:05:10,196 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 18:05:10,196 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 18:05:10,196 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-04-11 18:05:10,215 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 18:05:10,216 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 18:05:10,216 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 18:05:10,217 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 18:05:10,217 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 18:05:10,217 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 18:05:10,217 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 18:05:10,217 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 18:05:10,217 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 18:05:10,217 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 18:05:10,218 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 18:05:10,218 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 18:05:10,218 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 18:05:10,218 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 18:05:10,218 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 18:05:10,218 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 18:05:10,218 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 18:05:10,219 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 18:05:10,219 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 18:05:10,219 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:05:10,219 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 18:05:10,219 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-11 18:05:10,219 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-11 18:05:10,219 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 18:05:10,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 18:05:10,257 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 18:05:10,260 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 18:05:10,261 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 18:05:10,262 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 18:05:10,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,555 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe02ad8bfc [2018-04-11 18:05:10,695 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 18:05:10,695 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 18:05:10,695 INFO L168 CDTParser]: Scanning openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,703 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 18:05:10,703 INFO L215 ultiparseSymbolTable]: <empty include resolver> [2018-04-11 18:05:10,704 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 18:05:10,704 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,704 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,704 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset ('cmemset') in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,704 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,704 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 18:05:10,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:10,727 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe02ad8bfc [2018-04-11 18:05:10,731 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 18:05:10,732 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 18:05:10,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 18:05:10,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 18:05:10,736 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 18:05:10,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:05:10" (1/1) ... [2018-04-11 18:05:10,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797da1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:05:10, skipping insertion in model container [2018-04-11 18:05:10,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:05:10" (1/1) ... [2018-04-11 18:05:10,753 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:05:10,770 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:05:10,875 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:05:10,906 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:05:10,912 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 18:05:10,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:05:10 WrapperNode [2018-04-11 18:05:10,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 18:05:10,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 18:05:10,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 18:05:10,948 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 18:05:10,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:05:10" (1/1) ... [2018-04-11 18:05:10,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:05:10" (1/1) ... [2018-04-11 18:05:10,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:05:10" (1/1) ... [2018-04-11 18:05:10,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:05:10" (1/1) ... [2018-04-11 18:05:10,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:05:10" (1/1) ... [2018-04-11 18:05:10,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:05:10" (1/1) ... [2018-04-11 18:05:10,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:05:10" (1/1) ... [2018-04-11 18:05:10,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 18:05:10,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 18:05:10,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 18:05:10,987 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 18:05:10,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:05:10" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:05:11,081 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 18:05:11,081 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 18:05:11,081 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 18:05:11,081 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 18:05:11,081 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset [2018-04-11 18:05:11,081 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 18:05:11,082 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 18:05:11,082 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 18:05:11,082 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 18:05:11,082 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 18:05:11,082 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 18:05:11,082 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 18:05:11,082 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 18:05:11,082 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 18:05:11,082 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 18:05:11,082 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 18:05:11,082 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 18:05:11,082 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 18:05:11,083 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 18:05:11,083 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 18:05:11,083 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 18:05:11,083 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 18:05:11,083 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 18:05:11,083 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 18:05:11,083 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 18:05:11,083 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 18:05:11,083 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 18:05:11,083 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 18:05:11,084 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 18:05:11,084 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 18:05:11,084 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 18:05:11,084 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 18:05:11,084 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 18:05:11,084 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 18:05:11,084 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 18:05:11,084 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 18:05:11,084 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 18:05:11,084 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 18:05:11,085 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 18:05:11,085 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 18:05:11,085 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 18:05:11,085 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 18:05:11,085 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 18:05:11,085 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 18:05:11,085 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 18:05:11,085 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 18:05:11,085 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 18:05:11,086 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 18:05:11,086 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 18:05:11,086 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 18:05:11,086 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 18:05:11,086 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 18:05:11,086 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 18:05:11,086 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 18:05:11,086 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 18:05:11,086 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 18:05:11,086 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 18:05:11,087 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 18:05:11,087 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 18:05:11,087 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 18:05:11,087 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 18:05:11,087 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 18:05:11,087 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 18:05:11,087 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 18:05:11,087 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 18:05:11,087 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 18:05:11,087 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 18:05:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 18:05:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 18:05:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 18:05:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 18:05:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 18:05:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 18:05:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 18:05:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 18:05:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 18:05:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 18:05:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 18:05:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 18:05:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 18:05:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 18:05:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 18:05:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 18:05:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 18:05:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 18:05:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 18:05:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 18:05:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 18:05:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 18:05:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 18:05:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 18:05:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 18:05:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 18:05:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 18:05:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 18:05:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 18:05:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 18:05:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 18:05:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 18:05:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 18:05:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 18:05:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 18:05:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 18:05:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 18:05:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 18:05:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 18:05:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 18:05:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 18:05:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 18:05:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset [2018-04-11 18:05:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 18:05:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 18:05:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 18:05:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 18:05:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 18:05:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 18:05:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 18:05:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 18:05:11,362 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 18:05:11,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:05:11 BoogieIcfgContainer [2018-04-11 18:05:11,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 18:05:11,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 18:05:11,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 18:05:11,366 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 18:05:11,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 06:05:10" (1/3) ... [2018-04-11 18:05:11,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2b77dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:05:11, skipping insertion in model container [2018-04-11 18:05:11,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:05:10" (2/3) ... [2018-04-11 18:05:11,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2b77dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:05:11, skipping insertion in model container [2018-04-11 18:05:11,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:05:11" (3/3) ... [2018-04-11 18:05:11,369 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 18:05:11,378 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 18:05:11,386 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-04-11 18:05:11,420 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 18:05:11,421 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 18:05:11,421 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 18:05:11,422 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-11 18:05:11,422 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 18:05:11,422 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 18:05:11,422 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 18:05:11,422 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 18:05:11,422 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 18:05:11,423 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 18:05:11,433 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-04-11 18:05:11,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 18:05:11,439 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:05:11,439 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:05:11,439 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr0RequiresViolation, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr1RequiresViolation]=== [2018-04-11 18:05:11,442 INFO L82 PathProgramCache]: Analyzing trace with hash -137966197, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:05:11,450 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:05:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:11,490 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:05:11,498 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:11,499 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:11,499 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:11,500 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:11,524 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:05:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:11,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:11,581 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:05:11,582 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 18:05:11,583 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:05:11,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:11,583 INFO L182 omatonBuilderFactory]: Interpolants [34#true, 35#false, 39#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 40#(= 1 (select |#valid| |main_#t~malloc7.base|)), 41#(= 1 (select |#valid| main_~nondetArea~0.base)), 42#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.base|)), 43#(= 1 (select |#valid| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.base)), 44#(= 1 (select |#valid| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base)), 45#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.base|)), 46#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:05:11,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:11,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 18:05:11,594 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 18:05:11,594 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=58, Unknown=1, NotChecked=14, Total=90 [2018-04-11 18:05:11,596 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 10 states. [2018-04-11 18:05:11,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:05:11,934 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2018-04-11 18:05:11,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 18:05:11,936 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2018-04-11 18:05:11,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:05:11,946 INFO L225 Difference]: With dead ends: 51 [2018-04-11 18:05:11,946 INFO L226 Difference]: Without dead ends: 48 [2018-04-11 18:05:11,948 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=180, Unknown=7, NotChecked=28, Total=272 [2018-04-11 18:05:11,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-11 18:05:11,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2018-04-11 18:05:11,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-11 18:05:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2018-04-11 18:05:11,978 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 15 [2018-04-11 18:05:11,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:05:11,978 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2018-04-11 18:05:11,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 18:05:11,978 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2018-04-11 18:05:11,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 18:05:11,979 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:05:11,979 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:05:11,979 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr0RequiresViolation, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr1RequiresViolation]=== [2018-04-11 18:05:11,979 INFO L82 PathProgramCache]: Analyzing trace with hash -137966196, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:05:11,982 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:05:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:12,028 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:05:12,032 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,032 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,032 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,032 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,032 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,033 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,055 WARN L1033 $PredicateComparison]: unable to prove that (forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (= (store |c_#length| %2 %0) (store %1 %2 %0)) :qid itp)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:05:12,055 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,056 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,056 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,056 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,070 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,071 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,071 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,071 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,073 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,073 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:12,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:12,159 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:05:12,159 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-11 18:05:12,159 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:05:12,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:12,166 INFO L182 omatonBuilderFactory]: Interpolants [160#(or (< main_~n~0 1) (forall ((%2 Int)) (<= (+ (select (store |old(#length)| |main_#t~malloc7.base| main_~n~0) %2) 1) (+ (select (store |#length| |main_#t~malloc7.base| main_~n~0) %2) main_~n~0)))), 161#(forall ((%2 Int)) (<= (+ (select (store |old(#length)| |main_#t~malloc7.base| main_~n~0) %2) 1) (+ (select (store |#length| |main_#t~malloc7.base| main_~n~0) %2) main_~n~0))), 162#(and (= 0 |main_#t~malloc7.offset|) (<= 1 (select |#length| |main_#t~malloc7.base|))), 163#(and (<= 1 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetArea~0.offset)), 164#(and (<= 1 (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.base|)) (= 0 |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.offset|)), 165#(and (<= 1 (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.base)) (= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.offset)), 166#(and (= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (<= 1 (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base))), 167#(and (<= 0 |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset|) (<= (+ |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.base|))), 168#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 154#true, 155#false, 159#(forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (= (store |#length| %2 %0) (store %1 %2 %0)) :qid itp)) :qid itp)) :qid itp))] [2018-04-11 18:05:12,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:12,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 18:05:12,167 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 18:05:12,168 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=91, Unknown=1, NotChecked=18, Total=132 [2018-04-11 18:05:12,168 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 12 states. [2018-04-11 18:05:12,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:05:12,557 INFO L93 Difference]: Finished difference Result 67 states and 75 transitions. [2018-04-11 18:05:12,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 18:05:12,557 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2018-04-11 18:05:12,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:05:12,558 INFO L225 Difference]: With dead ends: 67 [2018-04-11 18:05:12,558 INFO L226 Difference]: Without dead ends: 67 [2018-04-11 18:05:12,558 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=292, Unknown=10, NotChecked=36, Total=420 [2018-04-11 18:05:12,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-11 18:05:12,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59. [2018-04-11 18:05:12,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-11 18:05:12,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2018-04-11 18:05:12,562 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 15 [2018-04-11 18:05:12,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:05:12,563 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2018-04-11 18:05:12,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 18:05:12,563 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2018-04-11 18:05:12,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 18:05:12,563 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:05:12,563 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:05:12,563 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr0RequiresViolation, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr1RequiresViolation]=== [2018-04-11 18:05:12,563 INFO L82 PathProgramCache]: Analyzing trace with hash 671380429, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:05:12,566 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:05:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:12,590 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:05:12,591 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,592 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,592 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,592 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,604 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:05:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:12,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:12,671 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:05:12,671 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 18:05:12,671 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:05:12,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:12,671 INFO L182 omatonBuilderFactory]: Interpolants [320#(= 1 (select |#valid| main_~nondetArea~0.base)), 321#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.base|)), 322#(= 1 (select |#valid| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.base)), 323#(= 1 (select |#valid| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base)), 324#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.base|)), 325#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 313#true, 314#false, 318#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 319#(= 1 (select |#valid| |main_#t~malloc7.base|))] [2018-04-11 18:05:12,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:12,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 18:05:12,672 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 18:05:12,672 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=58, Unknown=1, NotChecked=14, Total=90 [2018-04-11 18:05:12,672 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 10 states. [2018-04-11 18:05:12,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:05:12,867 INFO L93 Difference]: Finished difference Result 68 states and 78 transitions. [2018-04-11 18:05:12,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 18:05:12,868 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2018-04-11 18:05:12,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:05:12,869 INFO L225 Difference]: With dead ends: 68 [2018-04-11 18:05:12,869 INFO L226 Difference]: Without dead ends: 68 [2018-04-11 18:05:12,869 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=156, Unknown=6, NotChecked=26, Total=240 [2018-04-11 18:05:12,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-04-11 18:05:12,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 42. [2018-04-11 18:05:12,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-11 18:05:12,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2018-04-11 18:05:12,873 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 15 [2018-04-11 18:05:12,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:05:12,873 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2018-04-11 18:05:12,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 18:05:12,873 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2018-04-11 18:05:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 18:05:12,873 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:05:12,873 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:05:12,874 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr0RequiresViolation, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr1RequiresViolation]=== [2018-04-11 18:05:12,874 INFO L82 PathProgramCache]: Analyzing trace with hash 671380430, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:05:12,877 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:05:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:12,906 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:05:12,908 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,908 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,908 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,908 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,912 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 1) (store |c_#length| %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:05:12,912 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,912 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,913 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,913 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:12,990 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:05:12,990 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-11 18:05:12,990 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:05:12,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:12,990 INFO L182 omatonBuilderFactory]: Interpolants [448#true, 449#false, 453#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 1) (store |#length| %1 1)) :qid itp)) :qid itp)), 454#(exists ((%0 (Array Int Int))) (! (and (forall ((%1 Int)) (! (= (store %0 %1 1) (store |#length| %1 1)) :qid itp)) (= main_~n~0 1)) :qid itp)), 455#(and (= 1 (select |#length| |main_#t~malloc7.base|)) (= 0 |main_#t~malloc7.offset|)), 456#(and (= 1 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetArea~0.offset)), 457#(and (= 1 (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.base|)) (= 0 |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.offset|)), 458#(and (= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.offset) (= 1 (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.base))), 459#(and (= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (= 1 (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base))), 460#(and (<= 0 |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset|) (<= (+ |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.base|))), 461#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:05:12,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:12,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 18:05:12,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 18:05:12,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=74, Unknown=1, NotChecked=16, Total=110 [2018-04-11 18:05:12,991 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 11 states. [2018-04-11 18:05:13,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:05:13,234 INFO L93 Difference]: Finished difference Result 64 states and 72 transitions. [2018-04-11 18:05:13,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 18:05:13,234 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2018-04-11 18:05:13,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:05:13,235 INFO L225 Difference]: With dead ends: 64 [2018-04-11 18:05:13,235 INFO L226 Difference]: Without dead ends: 64 [2018-04-11 18:05:13,235 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=237, Unknown=12, NotChecked=32, Total=342 [2018-04-11 18:05:13,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-11 18:05:13,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 43. [2018-04-11 18:05:13,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-11 18:05:13,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2018-04-11 18:05:13,240 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 15 [2018-04-11 18:05:13,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:05:13,240 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2018-04-11 18:05:13,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 18:05:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2018-04-11 18:05:13,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 18:05:13,240 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:05:13,240 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:05:13,240 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr0RequiresViolation, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr1RequiresViolation]=== [2018-04-11 18:05:13,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1351438800, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:05:13,248 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:05:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:13,282 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:05:13,283 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,284 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,284 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,284 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,288 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 1) (store |c_#length| %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:05:13,288 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,288 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,289 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,289 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:13,346 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:05:13,346 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-11 18:05:13,347 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:05:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:13,347 INFO L182 omatonBuilderFactory]: Interpolants [592#(and (= 1 (select |#length| |main_#t~malloc7.base|)) (= 0 |main_#t~malloc7.offset|)), 593#(and (= 1 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetArea~0.offset)), 594#(and (= 1 (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.base|)) (= 0 |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.offset|)), 595#(and (= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.offset) (= 1 (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.base))), 596#(and (= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (= 1 (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base))), 597#(and (<= 0 |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset|) (<= (+ |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.base|))), 598#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 585#true, 586#false, 590#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 1) (store |#length| %1 1)) :qid itp)) :qid itp)), 591#(exists ((%0 (Array Int Int))) (! (and (forall ((%1 Int)) (! (= (store %0 %1 1) (store |#length| %1 1)) :qid itp)) (= main_~n~0 1)) :qid itp))] [2018-04-11 18:05:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:13,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 18:05:13,347 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 18:05:13,348 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=74, Unknown=1, NotChecked=16, Total=110 [2018-04-11 18:05:13,348 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand 11 states. [2018-04-11 18:05:13,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:05:13,589 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2018-04-11 18:05:13,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 18:05:13,589 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2018-04-11 18:05:13,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:05:13,590 INFO L225 Difference]: With dead ends: 51 [2018-04-11 18:05:13,590 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 18:05:13,590 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=237, Unknown=12, NotChecked=32, Total=342 [2018-04-11 18:05:13,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 18:05:13,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 29. [2018-04-11 18:05:13,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-04-11 18:05:13,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2018-04-11 18:05:13,592 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 15 [2018-04-11 18:05:13,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:05:13,592 INFO L459 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2018-04-11 18:05:13,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 18:05:13,592 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2018-04-11 18:05:13,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 18:05:13,592 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:05:13,592 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:05:13,593 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr0RequiresViolation, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr1RequiresViolation]=== [2018-04-11 18:05:13,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1465340769, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:05:13,595 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:05:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:13,603 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:05:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:13,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:13,633 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:05:13,633 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:05:13,633 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:05:13,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:13,634 INFO L182 omatonBuilderFactory]: Interpolants [707#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 708#(= |#memory_int| |old(#memory_int)|), 695#true, 696#false, 700#(= |#valid| |old(#valid)|), 701#(= (store |#valid| |main_#t~malloc7.base| 0) |old(#valid)|)] [2018-04-11 18:05:13,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:13,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:05:13,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:05:13,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:05:13,634 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 6 states. [2018-04-11 18:05:13,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:05:13,696 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-04-11 18:05:13,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 18:05:13,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-04-11 18:05:13,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:05:13,697 INFO L225 Difference]: With dead ends: 35 [2018-04-11 18:05:13,697 INFO L226 Difference]: Without dead ends: 21 [2018-04-11 18:05:13,697 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-04-11 18:05:13,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-04-11 18:05:13,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-04-11 18:05:13,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-04-11 18:05:13,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2018-04-11 18:05:13,698 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 20 [2018-04-11 18:05:13,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:05:13,698 INFO L459 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2018-04-11 18:05:13,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:05:13,699 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2018-04-11 18:05:13,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 18:05:13,699 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:05:13,699 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:05:13,699 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr0RequiresViolation, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr1RequiresViolation]=== [2018-04-11 18:05:13,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1290243612, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:05:13,701 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:05:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:13,738 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:05:13,740 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,740 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,741 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,741 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,741 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,741 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,745 WARN L1033 $PredicateComparison]: unable to prove that (forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (= (store |c_#length| %2 %0) (store %1 %2 %0)) :qid itp)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:05:13,745 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,745 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,750 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,751 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,751 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,751 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:13,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:13,867 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:05:13,867 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-11 18:05:13,868 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:05:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:13,868 INFO L182 omatonBuilderFactory]: Interpolants [774#true, 775#false, 779#(forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (= (store |#length| %2 %0) (store %1 %2 %0)) :qid itp)) :qid itp)) :qid itp)), 780#(forall ((%2 Int)) (<= (select (store |old(#length)| |main_#t~malloc7.base| main_~n~0) %2) (select (store |#length| |main_#t~malloc7.base| main_~n~0) %2))), 781#(and (forall ((%2 Int)) (<= (select (store |old(#length)| |main_#t~malloc7.base| main_~n~0) %2) (select (store |#length| |main_#t~malloc7.base| main_~n~0) %2))) (<= 1 main_~n~0)), 782#(and (= 0 |main_#t~malloc7.offset|) (<= 1 main_~n~0) (<= main_~n~0 (select |#length| |main_#t~malloc7.base|))), 783#(and (<= 1 main_~n~0) (= 0 main_~nondetArea~0.offset) (<= main_~n~0 (select |#length| main_~nondetArea~0.base))), 784#(and (<= 1 |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~n|) (= 0 |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.offset|) (<= |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~n| (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.base|))), 785#(and (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.base)) (<= 1 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n) (= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.offset)), 786#(and (= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (<= 1 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n) (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base))), 787#(and (<= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (<= 1 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n) (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base)) (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset 1)), 788#(and (<= 0 (div |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~pre2| 4294967296)) (<= (+ |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~pre2| 1) (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base)) (<= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset 1)), 789#(and (< 1 (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base)) (<= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset 1)), 790#(and (<= 0 |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset|) (<= (+ |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.base|))), 791#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:05:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:13,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 18:05:13,868 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 18:05:13,868 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=156, Unknown=1, NotChecked=24, Total=210 [2018-04-11 18:05:13,869 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 15 states. [2018-04-11 18:05:16,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:05:16,372 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2018-04-11 18:05:16,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 18:05:16,372 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 20 [2018-04-11 18:05:16,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:05:16,373 INFO L225 Difference]: With dead ends: 26 [2018-04-11 18:05:16,373 INFO L226 Difference]: Without dead ends: 26 [2018-04-11 18:05:16,373 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=121, Invalid=519, Unknown=14, NotChecked=48, Total=702 [2018-04-11 18:05:16,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-04-11 18:05:16,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-04-11 18:05:16,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-04-11 18:05:16,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2018-04-11 18:05:16,375 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 20 [2018-04-11 18:05:16,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:05:16,375 INFO L459 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2018-04-11 18:05:16,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 18:05:16,375 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-04-11 18:05:16,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 18:05:16,376 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:05:16,376 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:05:16,376 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr0RequiresViolation, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr1RequiresViolation]=== [2018-04-11 18:05:16,376 INFO L82 PathProgramCache]: Analyzing trace with hash -749222772, now seen corresponding path program 2 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:05:16,379 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:05:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:16,421 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:05:16,422 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,422 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,422 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,423 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,423 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,423 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,438 WARN L1033 $PredicateComparison]: unable to prove that (forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (= (store |c_#length| %2 %0) (store %1 %2 %0)) :qid itp)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:05:16,438 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,439 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,439 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,439 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,445 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,445 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,445 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,445 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,449 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,449 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,449 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,449 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:16,612 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:16,614 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:05:16,615 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-11 18:05:16,615 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:05:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:16,615 INFO L182 omatonBuilderFactory]: Interpolants [868#true, 869#false, 873#(forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (= (store |#length| %2 %0) (store %1 %2 %0)) :qid itp)) :qid itp)) :qid itp)), 874#(and (forall ((%2 Int)) (<= (select (store |old(#length)| |main_#t~malloc7.base| main_~n~0) %2) (select (store |#length| |main_#t~malloc7.base| main_~n~0) %2))) (forall ((v_prenex_1 Int)) (<= (select (store |#length| |main_#t~malloc7.base| main_~n~0) v_prenex_1) (select (store |old(#length)| |main_#t~malloc7.base| main_~n~0) v_prenex_1)))), 875#(and (= 0 |main_#t~malloc7.offset|) (<= main_~n~0 (select |#length| |main_#t~malloc7.base|)) (<= (select |#length| |main_#t~malloc7.base|) main_~n~0)), 876#(and (<= (select |#length| main_~nondetArea~0.base) main_~n~0) (= 0 main_~nondetArea~0.offset) (<= main_~n~0 (select |#length| main_~nondetArea~0.base))), 877#(and (<= (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.base|) |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~n|) (= 0 |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.offset|) (<= |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~n| (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.base|))), 878#(and (<= (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.base) __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n) (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.base)) (= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.offset)), 879#(and (= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (<= (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base) __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n) (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base))), 880#(and (<= 1 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (<= (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base) __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n) (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base)) (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset 1)), 881#(and (<= 1 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (<= (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n 1) (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base) (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n 1)) (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset 1)), 882#(and (or (< (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.base|) (+ |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset| 1)) (<= 1 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n)) (<= (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (+ (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base) 1)) (or (<= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (< |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset| 0))), 883#(and (<= (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (+ (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base) 1)) (<= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (<= 1 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n)), 884#(and (<= 0 (div |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~pre2| 4294967296)) (<= (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~pre2|) (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base)) (<= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset)), 885#(and (< __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base)) (<= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset)), 886#(and (<= 0 |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset|) (<= (+ |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.base|))), 887#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:05:16,616 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:16,616 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 18:05:16,616 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 18:05:16,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=211, Unknown=1, NotChecked=28, Total=272 [2018-04-11 18:05:16,616 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand 17 states. [2018-04-11 18:05:28,015 WARN L148 SmtUtils]: Spent 678ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-11 18:05:29,727 WARN L148 SmtUtils]: Spent 1306ms on a formula simplification that was a NOOP. DAG size: 41 [2018-04-11 18:05:32,090 WARN L148 SmtUtils]: Spent 1672ms on a formula simplification that was a NOOP. DAG size: 47 [2018-04-11 18:05:37,121 WARN L151 SmtUtils]: Spent 4284ms on a formula simplification. DAG size of input: 62 DAG size of output 57 [2018-04-11 18:05:40,949 WARN L151 SmtUtils]: Spent 3407ms on a formula simplification. DAG size of input: 60 DAG size of output 57 [2018-04-11 18:05:44,649 WARN L151 SmtUtils]: Spent 3138ms on a formula simplification. DAG size of input: 54 DAG size of output 51 [2018-04-11 18:05:46,781 WARN L151 SmtUtils]: Spent 1731ms on a formula simplification. DAG size of input: 51 DAG size of output 50 [2018-04-11 18:05:48,404 WARN L151 SmtUtils]: Spent 1256ms on a formula simplification. DAG size of input: 50 DAG size of output 45 [2018-04-11 18:05:49,835 WARN L148 SmtUtils]: Spent 778ms on a formula simplification that was a NOOP. DAG size: 50 [2018-04-11 18:05:51,303 WARN L148 SmtUtils]: Spent 761ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-11 18:05:52,791 WARN L148 SmtUtils]: Spent 948ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-11 18:05:53,987 WARN L148 SmtUtils]: Spent 706ms on a formula simplification that was a NOOP. DAG size: 39 [2018-04-11 18:05:55,376 WARN L148 SmtUtils]: Spent 862ms on a formula simplification that was a NOOP. DAG size: 41 [2018-04-11 18:05:55,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:05:55,389 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2018-04-11 18:05:55,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 18:05:55,390 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 25 [2018-04-11 18:05:55,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:05:55,390 INFO L225 Difference]: With dead ends: 31 [2018-04-11 18:05:55,390 INFO L226 Difference]: Without dead ends: 31 [2018-04-11 18:05:55,391 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 28.5s TimeCoverageRelationStatistics Valid=180, Invalid=814, Unknown=2, NotChecked=60, Total=1056 [2018-04-11 18:05:55,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-04-11 18:05:55,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-04-11 18:05:55,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-04-11 18:05:55,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2018-04-11 18:05:55,393 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 25 [2018-04-11 18:05:55,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:05:55,393 INFO L459 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2018-04-11 18:05:55,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 18:05:55,394 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2018-04-11 18:05:55,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 18:05:55,394 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:05:55,394 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:05:55,394 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr0RequiresViolation, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr1RequiresViolation]=== [2018-04-11 18:05:55,395 INFO L82 PathProgramCache]: Analyzing trace with hash 243915492, now seen corresponding path program 3 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:05:55,397 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:05:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:55,443 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:05:55,444 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,444 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,444 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,445 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,445 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,445 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,518 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,519 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,519 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,519 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,644 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,644 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,644 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,645 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,723 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,723 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,723 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:55,723 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:05:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:05:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:56,488 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:05:56,489 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-11 18:05:56,489 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:05:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:56,489 INFO L182 omatonBuilderFactory]: Interpolants [992#(and (<= (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.base) __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n) (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.base)) (= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~dst.offset)), 993#(and (= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (<= (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base) __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n) (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base))), 994#(and (<= 1 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (<= (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base) __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n) (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base)) (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset 1)), 995#(and (<= 1 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (<= (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n 1) (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base) (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n 1)) (<= __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset 1)), 996#(and (or (<= 1 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (< |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset| 0)) (<= (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (+ (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base) 1)) (<= (+ (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base) 1) (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset))), 997#(and (<= 1 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (<= (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (+ (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base) 1)) (<= (+ (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base) 1) (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset))), 998#(and (<= 1 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (<= (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base) (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset))), 999#(and (or (< (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.base|) (+ |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset| 1)) (<= 1 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n)) (<= (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (+ (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base) 1)) (<= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset)), 1000#(and (<= (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (+ (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base) 1)) (<= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset) (<= 1 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~n)), 1001#(and (<= 0 (div |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~pre2| 4294967296)) (<= (+ __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~pre2|) (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base)) (<= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset)), 1002#(and (< __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset (select |#length| __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.base)) (<= 0 __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_~d~0.offset)), 1003#(and (<= 0 |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset|) (<= (+ |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#t~post3.base|))), 1004#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 982#true, 983#false, 987#(forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (= (store |#length| %2 %0) (store %1 %2 %0)) :qid itp)) :qid itp)) :qid itp)), 988#(and (forall ((%2 Int)) (<= (select (store |old(#length)| |main_#t~malloc7.base| main_~n~0) %2) (select (store |#length| |main_#t~malloc7.base| main_~n~0) %2))) (forall ((v_prenex_4 Int)) (<= (select (store |#length| |main_#t~malloc7.base| main_~n~0) v_prenex_4) (select (store |old(#length)| |main_#t~malloc7.base| main_~n~0) v_prenex_4)))), 989#(and (= 0 |main_#t~malloc7.offset|) (<= main_~n~0 (select |#length| |main_#t~malloc7.base|)) (<= (select |#length| |main_#t~malloc7.base|) main_~n~0)), 990#(and (<= (select |#length| main_~nondetArea~0.base) main_~n~0) (= 0 main_~nondetArea~0.offset) (<= main_~n~0 (select |#length| main_~nondetArea~0.base))), 991#(and (<= (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.base|) |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~n|) (= 0 |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.offset|) (<= |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~n| (select |#length| |__U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset_#in~dst.base|)))] [2018-04-11 18:05:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:05:56,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-11 18:05:56,490 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-11 18:05:56,490 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2018-04-11 18:05:56,490 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand 20 states. [2018-04-11 18:05:57,423 WARN L148 SmtUtils]: Spent 137ms on a formula simplification that was a NOOP. DAG size: 37 [2018-04-11 18:06:00,122 WARN L148 SmtUtils]: Spent 424ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-11 18:06:01,365 WARN L148 SmtUtils]: Spent 582ms on a formula simplification that was a NOOP. DAG size: 41 [2018-04-11 18:06:03,909 WARN L148 SmtUtils]: Spent 1636ms on a formula simplification that was a NOOP. DAG size: 47 [2018-04-11 18:06:09,204 WARN L151 SmtUtils]: Spent 4496ms on a formula simplification. DAG size of input: 60 DAG size of output 57 [2018-04-11 18:06:13,399 WARN L151 SmtUtils]: Spent 3482ms on a formula simplification. DAG size of input: 60 DAG size of output 57 [2018-04-11 18:06:16,708 WARN L151 SmtUtils]: Spent 2773ms on a formula simplification. DAG size of input: 54 DAG size of output 51 [2018-04-11 18:06:19,096 WARN L151 SmtUtils]: Spent 2069ms on a formula simplification. DAG size of input: 51 DAG size of output 50 [2018-04-11 18:06:21,199 WARN L151 SmtUtils]: Spent 1444ms on a formula simplification. DAG size of input: 50 DAG size of output 45 [2018-04-11 18:06:23,607 WARN L151 SmtUtils]: Spent 1541ms on a formula simplification. DAG size of input: 52 DAG size of output 51 [2018-04-11 18:06:25,704 WARN L151 SmtUtils]: Spent 1663ms on a formula simplification. DAG size of input: 46 DAG size of output 45 [2018-04-11 18:06:27,642 WARN L151 SmtUtils]: Spent 1274ms on a formula simplification. DAG size of input: 50 DAG size of output 49 [2018-04-11 18:06:30,310 WARN L151 SmtUtils]: Spent 2012ms on a formula simplification. DAG size of input: 48 DAG size of output 44 [2018-04-11 18:06:30,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:06:30,313 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2018-04-11 18:06:30,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-11 18:06:30,313 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 30 [2018-04-11 18:06:30,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:06:30,314 INFO L225 Difference]: With dead ends: 31 [2018-04-11 18:06:30,314 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 18:06:30,314 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 32.3s TimeCoverageRelationStatistics Valid=196, Invalid=994, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 18:06:30,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 18:06:30,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 18:06:30,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 18:06:30,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 18:06:30,315 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-04-11 18:06:30,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:06:30,315 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 18:06:30,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-11 18:06:30,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 18:06:30,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 18:06:30,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 06:06:30 BoogieIcfgContainer [2018-04-11 18:06:30,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 18:06:30,320 INFO L168 Benchmark]: Toolchain (without parser) took 79589.02 ms. Allocated memory was 403.2 MB in the beginning and 652.7 MB in the end (delta: 249.6 MB). Free memory was 335.1 MB in the beginning and 511.5 MB in the end (delta: -176.4 MB). Peak memory consumption was 73.2 MB. Max. memory is 5.3 GB. [2018-04-11 18:06:30,322 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 403.2 MB. Free memory is still 360.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 18:06:30,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.61 ms. Allocated memory is still 403.2 MB. Free memory was 335.1 MB in the beginning and 310.7 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. [2018-04-11 18:06:30,322 INFO L168 Benchmark]: Boogie Preprocessor took 39.38 ms. Allocated memory is still 403.2 MB. Free memory was 310.7 MB in the beginning and 308.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 18:06:30,323 INFO L168 Benchmark]: RCFGBuilder took 375.77 ms. Allocated memory was 403.2 MB in the beginning and 592.4 MB in the end (delta: 189.3 MB). Free memory was 308.0 MB in the beginning and 532.5 MB in the end (delta: -224.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. [2018-04-11 18:06:30,323 INFO L168 Benchmark]: TraceAbstraction took 78956.52 ms. Allocated memory was 592.4 MB in the beginning and 652.7 MB in the end (delta: 60.3 MB). Free memory was 532.5 MB in the beginning and 511.5 MB in the end (delta: 21.1 MB). Peak memory consumption was 81.4 MB. Max. memory is 5.3 GB. [2018-04-11 18:06:30,325 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 403.2 MB. Free memory is still 360.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 214.61 ms. Allocated memory is still 403.2 MB. Free memory was 335.1 MB in the beginning and 310.7 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.38 ms. Allocated memory is still 403.2 MB. Free memory was 310.7 MB in the beginning and 308.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 375.77 ms. Allocated memory was 403.2 MB in the beginning and 592.4 MB in the end (delta: 189.3 MB). Free memory was 308.0 MB in the beginning and 532.5 MB in the end (delta: -224.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 78956.52 ms. Allocated memory was 592.4 MB in the beginning and 652.7 MB in the end (delta: 60.3 MB). Free memory was 532.5 MB in the beginning and 511.5 MB in the end (delta: 21.1 MB). Peak memory consumption was 81.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 37 locations, 3 error locations. SAFE Result, 78.9s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 76.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 188 SDtfs, 481 SDslu, 367 SDs, 0 SdLazy, 1755 SolverSat, 174 SolverUnsat, 44 SolverUnknown, 0 SolverNotchecked, 15.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 214 GetRequests, 31 SyntacticMatches, 4 SemanticMatches, 179 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 62.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/32 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 83 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 161 ConstructedInterpolants, 32 QuantifiedInterpolants, 36361 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 0/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_18-06-30-333.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_18-06-30-333.csv Received shutdown request...