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_Camel.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrchr_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 09:52:25,050 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 09:52:25,051 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 09:52:25,063 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 09:52:25,064 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 09:52:25,064 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 09:52:25,065 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 09:52:25,068 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 09:52:25,070 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 09:52:25,070 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 09:52:25,071 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 09:52:25,071 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 09:52:25,072 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 09:52:25,073 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 09:52:25,074 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 09:52:25,076 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 09:52:25,077 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 09:52:25,079 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 09:52:25,080 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 09:52:25,081 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 09:52:25,082 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 09:52:25,083 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 09:52:25,083 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 09:52:25,084 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 09:52:25,084 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 09:52:25,085 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 09:52:25,085 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 09:52:25,086 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 09:52:25,087 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 09:52:25,087 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 09:52:25,087 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 09:52:25,088 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-11 09:52:25,110 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 09:52:25,110 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 09:52:25,111 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 09:52:25,112 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 09:52:25,112 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 09:52:25,112 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 09:52:25,112 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 09:52:25,112 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 09:52:25,113 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 09:52:25,113 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 09:52:25,113 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 09:52:25,113 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 09:52:25,113 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 09:52:25,113 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 09:52:25,114 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 09:52:25,114 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 09:52:25,114 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 09:52:25,114 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 09:52:25,114 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 09:52:25,114 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 09:52:25,115 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 09:52:25,115 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 09:52:25,115 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 09:52:25,115 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 09:52:25,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 09:52:25,154 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 09:52:25,157 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 09:52:25,158 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 09:52:25,159 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 09:52:25,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,504 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGa73e0336b [2018-04-11 09:52:25,623 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 09:52:25,624 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 09:52:25,624 INFO L168 CDTParser]: Scanning cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,634 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 09:52:25,634 INFO L215 ultiparseSymbolTable]: [2018-04-11 09:52:25,634 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 09:52:25,634 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____bswap_64 ('__bswap_64') in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,634 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,635 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____bswap_32 ('__bswap_32') in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,635 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String ('build_nondet_String') in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,635 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__ ('') in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,635 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 09:52:25,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__timer_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____int8_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____fsblkcnt64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____fsword_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_once_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__ssize_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__gid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_short in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__wchar_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__int8_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_int64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____intptr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__loff_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__ino_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____int64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__size_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____u_int in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__ldiv_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__off_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____useconds_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_mutex_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____clockid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____fsfilcnt64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_attr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____socklen_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__register_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_int in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____rlim_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__clockid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____blkcnt_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____int32_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_mutexattr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__dev_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____pid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____timer_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____suseconds_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__fsblkcnt_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____ino64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__id_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____ssize_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____fd_mask in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__fsfilcnt_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____id_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__nlink_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____gid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____off_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__uint in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____syscall_ulong_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_int8_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_rwlockattr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____uid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____blkcnt64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____uint64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__fd_mask in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__key_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__int32_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____sig_atomic_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____nlink_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__sigset_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____pthread_list_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_barrierattr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__blkcnt_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_int32_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____u_long in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_char in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__ulong in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_quad_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____int16_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____off64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__blksize_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_rwlock_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_key_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____quad_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____uint32_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____u_char in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_barrier_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____u_quad_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____syscall_slong_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__time_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__uid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____fsblkcnt_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__int16_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__lldiv_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__quad_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__caddr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_int16_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__fsid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_spinlock_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____loff_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__div_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____uint8_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_cond_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____clock_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____key_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__ushort in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____time_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_condattr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____WAIT_STATUS in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__int64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____sigset_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____rlim64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____fsfilcnt_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____mode_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____ino_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____daddr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____fsid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____uint16_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____qaddr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____blksize_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__daddr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__fd_set in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_long in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____caddr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__suseconds_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__clock_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____u_short in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____dev_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__mode_t in cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:25,664 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGa73e0336b [2018-04-11 09:52:25,667 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 09:52:25,668 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 09:52:25,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 09:52:25,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 09:52:25,672 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 09:52:25,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:52:25" (1/1) ... [2018-04-11 09:52:25,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16bd2260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:52:25, skipping insertion in model container [2018-04-11 09:52:25,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:52:25" (1/1) ... [2018-04-11 09:52:25,685 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 09:52:25,708 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 09:52:25,830 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 09:52:25,867 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 09:52:25,873 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-11 09:52:25,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:52:25 WrapperNode [2018-04-11 09:52:25,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 09:52:25,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 09:52:25,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 09:52:25,909 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 09:52:25,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:52:25" (1/1) ... [2018-04-11 09:52:25,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:52:25" (1/1) ... [2018-04-11 09:52:25,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:52:25" (1/1) ... [2018-04-11 09:52:25,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:52:25" (1/1) ... [2018-04-11 09:52:25,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:52:25" (1/1) ... [2018-04-11 09:52:25,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:52:25" (1/1) ... [2018-04-11 09:52:25,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:52:25" (1/1) ... [2018-04-11 09:52:25,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 09:52:25,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 09:52:25,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 09:52:25,945 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 09:52:25,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:52:25" (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 09:52:26,065 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 09:52:26,065 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 09:52:26,066 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 09:52:26,066 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 09:52:26,066 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String [2018-04-11 09:52:26,066 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrchr [2018-04-11 09:52:26,066 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 09:52:26,066 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 09:52:26,066 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 09:52:26,066 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 09:52:26,066 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 09:52:26,066 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 09:52:26,066 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 09:52:26,066 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 09:52:26,067 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 09:52:26,067 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 09:52:26,067 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 09:52:26,067 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 09:52:26,067 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 09:52:26,067 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 09:52:26,067 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 09:52:26,067 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 09:52:26,067 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 09:52:26,068 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 09:52:26,068 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 09:52:26,068 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 09:52:26,068 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 09:52:26,068 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 09:52:26,068 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 09:52:26,068 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 09:52:26,068 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 09:52:26,069 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 09:52:26,069 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 09:52:26,069 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 09:52:26,069 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 09:52:26,069 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 09:52:26,069 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 09:52:26,069 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 09:52:26,069 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 09:52:26,069 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 09:52:26,070 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 09:52:26,070 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 09:52:26,070 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 09:52:26,070 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 09:52:26,070 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 09:52:26,070 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 09:52:26,070 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 09:52:26,070 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 09:52:26,070 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 09:52:26,071 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 09:52:26,071 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 09:52:26,071 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 09:52:26,071 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 09:52:26,071 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 09:52:26,071 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 09:52:26,071 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 09:52:26,071 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 09:52:26,071 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 09:52:26,072 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 09:52:26,072 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 09:52:26,072 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 09:52:26,072 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 09:52:26,072 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 09:52:26,072 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 09:52:26,072 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 09:52:26,072 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 09:52:26,072 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 09:52:26,072 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 09:52:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 09:52:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 09:52:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 09:52:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 09:52:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 09:52:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 09:52:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 09:52:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 09:52:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 09:52:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 09:52:26,074 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 09:52:26,074 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 09:52:26,074 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 09:52:26,074 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 09:52:26,074 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 09:52:26,074 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 09:52:26,074 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 09:52:26,074 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 09:52:26,074 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 09:52:26,075 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 09:52:26,075 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 09:52:26,075 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 09:52:26,075 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 09:52:26,075 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 09:52:26,075 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 09:52:26,075 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 09:52:26,075 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 09:52:26,075 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 09:52:26,075 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 09:52:26,076 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 09:52:26,076 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 09:52:26,076 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 09:52:26,076 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 09:52:26,076 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 09:52:26,076 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 09:52:26,076 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 09:52:26,076 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 09:52:26,076 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 09:52:26,076 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 09:52:26,076 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 09:52:26,077 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 09:52:26,077 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 09:52:26,077 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String [2018-04-11 09:52:26,077 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 09:52:26,077 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 09:52:26,077 INFO L128 BoogieDeclarations]: Found specification of procedure cstrchr [2018-04-11 09:52:26,077 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 09:52:26,077 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 09:52:26,077 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 09:52:26,077 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 09:52:26,078 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 09:52:26,078 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 09:52:26,343 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 09:52:26,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:52:26 BoogieIcfgContainer [2018-04-11 09:52:26,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 09:52:26,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 09:52:26,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 09:52:26,346 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 09:52:26,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 09:52:25" (1/3) ... [2018-04-11 09:52:26,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4493cabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:52:26, skipping insertion in model container [2018-04-11 09:52:26,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:52:25" (2/3) ... [2018-04-11 09:52:26,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4493cabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:52:26, skipping insertion in model container [2018-04-11 09:52:26,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:52:26" (3/3) ... [2018-04-11 09:52:26,348 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrchr_unsafe_false-valid-deref.i [2018-04-11 09:52:26,353 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 09:52:26,358 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-04-11 09:52:26,382 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 09:52:26,383 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 09:52:26,383 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 09:52:26,383 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 09:52:26,383 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 09:52:26,383 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 09:52:26,383 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 09:52:26,383 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 09:52:26,383 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 09:52:26,383 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 09:52:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-04-11 09:52:26,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-11 09:52:26,399 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:52:26,400 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:52:26,400 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 09:52:26,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1985295244, now seen corresponding path program 1 times [2018-04-11 09:52:26,404 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:52:26,404 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:52:26,433 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:26,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:52:26,434 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:52:26,470 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:52:26,514 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 09:52:26,516 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:52:26,516 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 09:52:26,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 09:52:26,528 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 09:52:26,529 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 09:52:26,530 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 4 states. [2018-04-11 09:52:26,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:52:26,607 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2018-04-11 09:52:26,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 09:52:26,609 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-04-11 09:52:26,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:52:26,615 INFO L225 Difference]: With dead ends: 51 [2018-04-11 09:52:26,616 INFO L226 Difference]: Without dead ends: 48 [2018-04-11 09:52:26,617 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 09:52:26,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-11 09:52:26,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-11 09:52:26,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-11 09:52:26,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2018-04-11 09:52:26,642 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 11 [2018-04-11 09:52:26,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:52:26,642 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2018-04-11 09:52:26,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 09:52:26,642 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2018-04-11 09:52:26,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-11 09:52:26,643 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:52:26,643 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:52:26,643 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 09:52:26,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1985295243, now seen corresponding path program 1 times [2018-04-11 09:52:26,643 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:52:26,643 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:52:26,644 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:26,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:52:26,644 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:52:26,658 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:52:26,724 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 09:52:26,724 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:52:26,724 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 09:52:26,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 09:52:26,725 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 09:52:26,725 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 09:52:26,725 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 5 states. [2018-04-11 09:52:26,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:52:26,767 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2018-04-11 09:52:26,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 09:52:26,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-04-11 09:52:26,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:52:26,768 INFO L225 Difference]: With dead ends: 47 [2018-04-11 09:52:26,768 INFO L226 Difference]: Without dead ends: 47 [2018-04-11 09:52:26,769 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-11 09:52:26,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-11 09:52:26,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-11 09:52:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-11 09:52:26,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2018-04-11 09:52:26,773 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 11 [2018-04-11 09:52:26,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:52:26,773 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2018-04-11 09:52:26,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 09:52:26,773 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2018-04-11 09:52:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 09:52:26,773 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:52:26,773 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:52:26,773 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 09:52:26,774 INFO L82 PathProgramCache]: Analyzing trace with hash -821460716, now seen corresponding path program 1 times [2018-04-11 09:52:26,774 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:52:26,774 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:52:26,774 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:26,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:52:26,774 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:52:26,786 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:52:26,839 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 09:52:26,840 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:52:26,840 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 09:52:26,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 09:52:26,840 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 09:52:26,840 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-11 09:52:26,840 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand 8 states. [2018-04-11 09:52:26,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:52:26,972 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2018-04-11 09:52:26,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 09:52:26,972 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-11 09:52:26,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:52:26,973 INFO L225 Difference]: With dead ends: 43 [2018-04-11 09:52:26,973 INFO L226 Difference]: Without dead ends: 43 [2018-04-11 09:52:26,973 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-04-11 09:52:26,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-11 09:52:26,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-11 09:52:26,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-11 09:52:26,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2018-04-11 09:52:26,976 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 19 [2018-04-11 09:52:26,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:52:26,977 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2018-04-11 09:52:26,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 09:52:26,977 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2018-04-11 09:52:26,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 09:52:26,977 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:52:26,977 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:52:26,977 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 09:52:26,978 INFO L82 PathProgramCache]: Analyzing trace with hash -821460715, now seen corresponding path program 1 times [2018-04-11 09:52:27,000 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:52:27,000 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:52:27,001 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:27,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:52:27,001 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:52:27,012 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:52:27,160 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 09:52:27,161 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:52:27,161 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-11 09:52:27,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 09:52:27,161 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 09:52:27,161 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-11 09:52:27,161 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand 11 states. [2018-04-11 09:52:27,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:52:27,291 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2018-04-11 09:52:27,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 09:52:27,291 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2018-04-11 09:52:27,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:52:27,305 INFO L225 Difference]: With dead ends: 54 [2018-04-11 09:52:27,305 INFO L226 Difference]: Without dead ends: 54 [2018-04-11 09:52:27,306 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-04-11 09:52:27,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-11 09:52:27,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2018-04-11 09:52:27,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-11 09:52:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-04-11 09:52:27,311 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 19 [2018-04-11 09:52:27,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:52:27,311 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-04-11 09:52:27,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 09:52:27,311 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-04-11 09:52:27,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 09:52:27,312 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:52:27,315 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:52:27,315 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 09:52:27,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1890750368, now seen corresponding path program 1 times [2018-04-11 09:52:27,315 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:52:27,315 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:52:27,316 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:27,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:52:27,316 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:52:27,328 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:52:27,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:52:27,349 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:52:27,349 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 09:52:27,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 09:52:27,352 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 09:52:27,352 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 09:52:27,352 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 3 states. [2018-04-11 09:52:27,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:52:27,360 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2018-04-11 09:52:27,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 09:52:27,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-04-11 09:52:27,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:52:27,361 INFO L225 Difference]: With dead ends: 52 [2018-04-11 09:52:27,361 INFO L226 Difference]: Without dead ends: 52 [2018-04-11 09:52:27,362 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 09:52:27,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-11 09:52:27,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-11 09:52:27,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-11 09:52:27,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-04-11 09:52:27,367 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 24 [2018-04-11 09:52:27,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:52:27,367 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-04-11 09:52:27,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 09:52:27,367 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-04-11 09:52:27,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 09:52:27,368 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:52:27,368 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:52:27,368 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 09:52:27,368 INFO L82 PathProgramCache]: Analyzing trace with hash 58376803, now seen corresponding path program 1 times [2018-04-11 09:52:27,368 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:52:27,368 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:52:27,369 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:27,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:52:27,369 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:52:27,442 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:52:27,700 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 09:52:27,701 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 09:52:27,701 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 09:52:27,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:52:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:52:27,752 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 09:52:27,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 09:52:27,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 09:52:27,784 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:52:27,786 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:52:27,789 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 09:52:27,790 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-11 09:52:27,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-11 09:52:27,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 09:52:27,989 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 09:52:27,992 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 09:52:28,000 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 09:52:28,000 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-11 09:52:28,085 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 09:52:28,102 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 09:52:28,102 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2018-04-11 09:52:28,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-11 09:52:28,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-11 09:52:28,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=496, Unknown=0, NotChecked=0, Total=552 [2018-04-11 09:52:28,103 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 24 states. [2018-04-11 09:52:29,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:52:29,233 INFO L93 Difference]: Finished difference Result 74 states and 84 transitions. [2018-04-11 09:52:29,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 09:52:29,233 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 26 [2018-04-11 09:52:29,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:52:29,234 INFO L225 Difference]: With dead ends: 74 [2018-04-11 09:52:29,234 INFO L226 Difference]: Without dead ends: 74 [2018-04-11 09:52:29,235 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=152, Invalid=1108, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 09:52:29,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-04-11 09:52:29,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 59. [2018-04-11 09:52:29,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-11 09:52:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2018-04-11 09:52:29,238 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 26 [2018-04-11 09:52:29,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:52:29,238 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2018-04-11 09:52:29,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-11 09:52:29,238 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2018-04-11 09:52:29,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 09:52:29,239 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:52:29,239 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:52:29,239 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 09:52:29,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1882934765, now seen corresponding path program 1 times [2018-04-11 09:52:29,239 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:52:29,239 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:52:29,240 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:29,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:52:29,240 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:52:29,248 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:52:29,299 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 09:52:29,299 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:52:29,299 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 09:52:29,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 09:52:29,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 09:52:29,300 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-04-11 09:52:29,300 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand 10 states. [2018-04-11 09:52:29,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:52:29,411 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2018-04-11 09:52:29,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 09:52:29,412 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2018-04-11 09:52:29,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:52:29,413 INFO L225 Difference]: With dead ends: 64 [2018-04-11 09:52:29,413 INFO L226 Difference]: Without dead ends: 64 [2018-04-11 09:52:29,413 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-04-11 09:52:29,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-11 09:52:29,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2018-04-11 09:52:29,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-11 09:52:29,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 71 transitions. [2018-04-11 09:52:29,417 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 71 transitions. Word has length 28 [2018-04-11 09:52:29,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:52:29,417 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 71 transitions. [2018-04-11 09:52:29,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 09:52:29,417 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2018-04-11 09:52:29,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 09:52:29,418 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:52:29,418 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:52:29,418 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 09:52:29,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1882934766, now seen corresponding path program 1 times [2018-04-11 09:52:29,418 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:52:29,418 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:52:29,419 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:29,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:52:29,419 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:52:29,427 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:52:29,517 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 09:52:29,518 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:52:29,518 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-11 09:52:29,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 09:52:29,519 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 09:52:29,519 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-04-11 09:52:29,519 INFO L87 Difference]: Start difference. First operand 63 states and 71 transitions. Second operand 12 states. [2018-04-11 09:52:29,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:52:29,625 INFO L93 Difference]: Finished difference Result 74 states and 83 transitions. [2018-04-11 09:52:29,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 09:52:29,626 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-04-11 09:52:29,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:52:29,627 INFO L225 Difference]: With dead ends: 74 [2018-04-11 09:52:29,627 INFO L226 Difference]: Without dead ends: 74 [2018-04-11 09:52:29,627 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2018-04-11 09:52:29,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-04-11 09:52:29,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2018-04-11 09:52:29,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-04-11 09:52:29,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 79 transitions. [2018-04-11 09:52:29,630 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 79 transitions. Word has length 28 [2018-04-11 09:52:29,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:52:29,631 INFO L459 AbstractCegarLoop]: Abstraction has 70 states and 79 transitions. [2018-04-11 09:52:29,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 09:52:29,631 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2018-04-11 09:52:29,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 09:52:29,632 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:52:29,632 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:52:29,632 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 09:52:29,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1884781807, now seen corresponding path program 1 times [2018-04-11 09:52:29,632 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:52:29,632 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:52:29,633 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:29,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:52:29,633 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:52:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 09:52:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 09:52:29,667 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 09:52:29,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 09:52:29 BoogieIcfgContainer [2018-04-11 09:52:29,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 09:52:29,689 INFO L168 Benchmark]: Toolchain (without parser) took 4021.68 ms. Allocated memory was 385.4 MB in the beginning and 636.0 MB in the end (delta: 250.6 MB). Free memory was 319.2 MB in the beginning and 492.0 MB in the end (delta: -172.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 5.3 GB. [2018-04-11 09:52:29,690 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 385.4 MB. Free memory is still 344.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 09:52:29,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.40 ms. Allocated memory is still 385.4 MB. Free memory was 317.9 MB in the beginning and 294.0 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-11 09:52:29,690 INFO L168 Benchmark]: Boogie Preprocessor took 35.37 ms. Allocated memory is still 385.4 MB. Free memory was 294.0 MB in the beginning and 292.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-11 09:52:29,690 INFO L168 Benchmark]: RCFGBuilder took 398.73 ms. Allocated memory was 385.4 MB in the beginning and 567.8 MB in the end (delta: 182.5 MB). Free memory was 292.7 MB in the beginning and 501.7 MB in the end (delta: -209.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 5.3 GB. [2018-04-11 09:52:29,690 INFO L168 Benchmark]: TraceAbstraction took 3344.42 ms. Allocated memory was 567.8 MB in the beginning and 636.0 MB in the end (delta: 68.2 MB). Free memory was 501.7 MB in the beginning and 492.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 77.9 MB. Max. memory is 5.3 GB. [2018-04-11 09:52:29,691 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 385.4 MB. Free memory is still 344.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 240.40 ms. Allocated memory is still 385.4 MB. Free memory was 317.9 MB in the beginning and 294.0 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.37 ms. Allocated memory is still 385.4 MB. Free memory was 294.0 MB in the beginning and 292.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 398.73 ms. Allocated memory was 385.4 MB in the beginning and 567.8 MB in the end (delta: 182.5 MB). Free memory was 292.7 MB in the beginning and 501.7 MB in the end (delta: -209.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3344.42 ms. Allocated memory was 567.8 MB in the beginning and 636.0 MB in the end (delta: 68.2 MB). Free memory was 501.7 MB in the beginning and 492.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 77.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 557]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L556] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND FALSE !(length < 1) VAL [length=1] [L545] EXPR, FCALL malloc(length * sizeof(char)) VAL [length=1, malloc(length * sizeof(char))={3:0}] [L545] char* nondetString = (char*) malloc(length * sizeof(char)); VAL [length=1, malloc(length * sizeof(char))={3:0}, nondetString={3:0}] [L546] FCALL nondetString[length-1] = '\0' VAL [length=1, malloc(length * sizeof(char))={3:0}, nondetString={3:0}] [L547] RET return nondetString; VAL [\result={3:0}, length=1, malloc(length * sizeof(char))={3:0}, nondetString={3:0}] [L556] EXPR build_nondet_String() VAL [build_nondet_String()={3:0}] [L556] char* s = build_nondet_String(); [L557] CALL cstrchr(s,__VERIFIER_nondet_int()) VAL [\old(c)=1, s={3:0}] [L551] EXPR, FCALL \read(*s) VAL [\old(c)=1, \read(*s)=0, c=1, s={3:0}, s={3:0}] [L551] *s != '\0' && *s != (char)c VAL [*s != '\0' && *s != (char)c=0, \old(c)=1, \read(*s)=0, c=1, s={3:0}, s={3:0}] [L551] COND FALSE !(*s != '\0' && *s != (char)c) VAL [*s != '\0' && *s != (char)c=0, \old(c)=1, \read(*s)=0, c=1, s={3:0}, s={3:0}] [L551] COND FALSE !(*s != '\0' && *s != (char)c) [L553] EXPR, FCALL \read(*s) VAL [\old(c)=1, \read(*s)=0, c=1, s={3:0}, s={3:0}] [L553] COND FALSE, EXPR !((*s == c) ? (char *) s : 0) [L553] EXPR (*s == c) ? (char *) s : 0 VAL [(*s == c) ? (char *) s : 0={0:0}, \old(c)=1, \read(*s)=0, c=1, s={3:0}, s={3:0}] [L553] RET return ( (*s == c) ? (char *) s : 0 ); [L557] cstrchr(s,__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=1, cstrchr(s,__VERIFIER_nondet_int())={0:0}, s={3:0}] [L557] FCALL cstrchr(s,__VERIFIER_nondet_int()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 58 locations, 13 error locations. UNSAFE Result, 3.3s OverallTime, 9 OverallIterations, 2 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 288 SDtfs, 382 SDslu, 1293 SDs, 0 SdLazy, 1211 SolverSat, 38 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 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, 8 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 183 ConstructedInterpolants, 8 QuantifiedInterpolants, 24431 SizeOfPredicates, 8 NumberOfNonLiveVariables, 107 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 2/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_09-52-29-697.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_09-52-29-697.csv Received shutdown request...