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/reverse_array_alloca_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 20:16:44,536 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 20:16:44,537 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 20:16:44,546 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 20:16:44,547 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 20:16:44,547 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 20:16:44,548 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 20:16:44,549 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 20:16:44,551 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 20:16:44,551 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 20:16:44,552 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 20:16:44,552 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 20:16:44,552 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 20:16:44,553 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 20:16:44,554 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 20:16:44,555 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 20:16:44,556 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 20:16:44,557 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 20:16:44,558 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 20:16:44,559 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 20:16:44,560 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 20:16:44,560 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 20:16:44,560 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 20:16:44,561 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 20:16:44,561 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 20:16:44,562 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 20:16:44,562 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 20:16:44,563 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 20:16:44,564 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 20:16:44,564 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 20:16:44,564 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 20:16:44,565 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 20:16:44,590 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 20:16:44,590 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 20:16:44,591 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 20:16:44,591 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 20:16:44,592 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 20:16:44,592 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 20:16:44,592 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 20:16:44,592 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 20:16:44,592 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 20:16:44,593 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 20:16:44,593 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 20:16:44,593 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 20:16:44,593 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 20:16:44,593 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 20:16:44,593 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 20:16:44,594 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 20:16:44,594 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 20:16:44,594 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 20:16:44,594 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 20:16:44,594 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 20:16:44,595 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 20:16:44,595 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 20:16:44,595 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 20:16:44,595 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 20:16:44,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 20:16:44,636 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 20:16:44,642 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 20:16:44,644 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 20:16:44,644 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 20:16:44,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:44,928 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGaaa75e5d8 [2018-04-11 20:16:45,090 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 20:16:45,091 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 20:16:45,091 INFO L168 CDTParser]: Scanning reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,099 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 20:16:45,099 INFO L215 ultiparseSymbolTable]: [2018-04-11 20:16:45,099 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 20:16:45,099 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_32 ('__bswap_32') in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,099 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_64 ('__bswap_64') in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,099 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,100 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 20:16:45,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____blkcnt64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__ino_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____socklen_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__ldiv_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__fsfilcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsfilcnt64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__int32_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____mode_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_short in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__gid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsblkcnt64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_int64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____time_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__int8_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_mutex_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_once_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____rlim_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_attr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__register_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__div_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____intptr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__size_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__time_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__off_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____useconds_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_condattr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____uint32_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____rlim64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__fd_set in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____qaddr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__blksize_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____blksize_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____int64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____daddr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__caddr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____key_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____uint8_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_quad_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__loff_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsfilcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__suseconds_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____caddr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____WAIT_STATUS in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__int64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____u_short in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____clock_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____int8_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__mode_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____dev_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____loff_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__fsid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__daddr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_rwlockattr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____int16_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____uint16_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____off_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__clock_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____gid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____ino64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_long in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__ulong in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_barrier_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____u_quad_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__ushort in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____quad_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____sigset_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____syscall_slong_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____ino_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__sigset_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_spinlock_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_key_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____clockid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____u_long in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__int16_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____pthread_list_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_barrierattr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsblkcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____blkcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_cond_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____u_int in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_int16_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__blkcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__quad_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_rwlock_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_char in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__id_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_int8_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__uid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__lldiv_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__fsblkcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__dev_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__wchar_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____uid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__uint in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__nlink_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____u_char in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____off64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____suseconds_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsword_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__fd_mask in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____uint64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__ssize_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_mutexattr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____pid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__key_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_int in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____timer_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____int32_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__clockid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__timer_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____nlink_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____syscall_ulong_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____id_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____ssize_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____sig_atomic_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_int32_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,110 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,110 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fd_mask in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,124 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGaaa75e5d8 [2018-04-11 20:16:45,127 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 20:16:45,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 20:16:45,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 20:16:45,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 20:16:45,132 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 20:16:45,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:16:45" (1/1) ... [2018-04-11 20:16:45,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd6297c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:16:45, skipping insertion in model container [2018-04-11 20:16:45,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:16:45" (1/1) ... [2018-04-11 20:16:45,145 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:16:45,169 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:16:45,303 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:16:45,338 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:16:45,344 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-11 20:16:45,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:16:45 WrapperNode [2018-04-11 20:16:45,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 20:16:45,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 20:16:45,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 20:16:45,381 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 20:16:45,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:16:45" (1/1) ... [2018-04-11 20:16:45,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:16:45" (1/1) ... [2018-04-11 20:16:45,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:16:45" (1/1) ... [2018-04-11 20:16:45,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:16:45" (1/1) ... [2018-04-11 20:16:45,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:16:45" (1/1) ... [2018-04-11 20:16:45,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:16:45" (1/1) ... [2018-04-11 20:16:45,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:16:45" (1/1) ... [2018-04-11 20:16:45,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 20:16:45,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 20:16:45,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 20:16:45,418 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 20:16:45,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:16:45" (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 20:16:45,497 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 20:16:45,497 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 20:16:45,497 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 20:16:45,497 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 20:16:45,497 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 20:16:45,497 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 20:16:45,497 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 20:16:45,497 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 20:16:45,497 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 20:16:45,497 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 20:16:45,497 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 20:16:45,497 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 20:16:45,497 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 20:16:45,498 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 20:16:45,499 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 20:16:45,500 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 20:16:45,501 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 20:16:45,502 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 20:16:45,503 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 20:16:45,503 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 20:16:45,503 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 20:16:45,503 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 20:16:45,503 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 20:16:45,503 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 20:16:45,503 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 20:16:45,503 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 20:16:45,503 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 20:16:45,503 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 20:16:45,504 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 20:16:45,504 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 20:16:45,504 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 20:16:45,803 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 20:16:45,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:16:45 BoogieIcfgContainer [2018-04-11 20:16:45,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 20:16:45,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 20:16:45,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 20:16:45,806 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 20:16:45,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 08:16:45" (1/3) ... [2018-04-11 20:16:45,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724e4c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:16:45, skipping insertion in model container [2018-04-11 20:16:45,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:16:45" (2/3) ... [2018-04-11 20:16:45,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724e4c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:16:45, skipping insertion in model container [2018-04-11 20:16:45,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:16:45" (3/3) ... [2018-04-11 20:16:45,809 INFO L107 eAbstractionObserver]: Analyzing ICFG reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 20:16:45,815 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 20:16:45,820 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 21 error locations. [2018-04-11 20:16:45,851 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 20:16:45,851 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 20:16:45,852 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 20:16:45,852 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 20:16:45,852 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 20:16:45,852 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 20:16:45,852 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 20:16:45,852 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 20:16:45,852 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 20:16:45,853 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 20:16:45,862 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2018-04-11 20:16:45,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 20:16:45,868 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:16:45,869 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:16:45,869 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 20:16:45,872 INFO L82 PathProgramCache]: Analyzing trace with hash -859612764, now seen corresponding path program 1 times [2018-04-11 20:16:45,873 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:16:45,873 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:16:45,907 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:16:45,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:16:45,907 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:16:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:16:45,950 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:16:45,972 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 20:16:45,974 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:16:45,974 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 20:16:45,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-11 20:16:45,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-11 20:16:45,984 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 20:16:45,985 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2018-04-11 20:16:45,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:16:45,998 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2018-04-11 20:16:45,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-11 20:16:45,999 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-04-11 20:16:46,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:16:46,005 INFO L225 Difference]: With dead ends: 63 [2018-04-11 20:16:46,006 INFO L226 Difference]: Without dead ends: 60 [2018-04-11 20:16:46,007 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 20:16:46,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-11 20:16:46,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-04-11 20:16:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-11 20:16:46,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2018-04-11 20:16:46,031 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 12 [2018-04-11 20:16:46,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:16:46,032 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2018-04-11 20:16:46,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-11 20:16:46,032 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2018-04-11 20:16:46,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 20:16:46,032 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:16:46,032 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:16:46,032 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 20:16:46,033 INFO L82 PathProgramCache]: Analyzing trace with hash -878216658, now seen corresponding path program 1 times [2018-04-11 20:16:46,033 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:16:46,033 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:16:46,033 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:16:46,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:16:46,033 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:16:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:16:46,045 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:16:46,093 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 20:16:46,093 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:16:46,093 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 20:16:46,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 20:16:46,094 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 20:16:46,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:16:46,095 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 4 states. [2018-04-11 20:16:46,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:16:46,148 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2018-04-11 20:16:46,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 20:16:46,149 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-11 20:16:46,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:16:46,149 INFO L225 Difference]: With dead ends: 56 [2018-04-11 20:16:46,149 INFO L226 Difference]: Without dead ends: 56 [2018-04-11 20:16:46,150 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 20:16:46,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-11 20:16:46,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-04-11 20:16:46,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-11 20:16:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2018-04-11 20:16:46,153 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 13 [2018-04-11 20:16:46,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:16:46,154 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2018-04-11 20:16:46,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 20:16:46,154 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2018-04-11 20:16:46,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 20:16:46,154 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:16:46,154 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:16:46,154 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 20:16:46,154 INFO L82 PathProgramCache]: Analyzing trace with hash -878216657, now seen corresponding path program 1 times [2018-04-11 20:16:46,154 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:16:46,154 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:16:46,155 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:16:46,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:16:46,155 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:16:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:16:46,172 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:16:46,207 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 20:16:46,207 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:16:46,207 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 20:16:46,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 20:16:46,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 20:16:46,208 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 20:16:46,208 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand 3 states. [2018-04-11 20:16:46,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:16:46,237 INFO L93 Difference]: Finished difference Result 105 states and 113 transitions. [2018-04-11 20:16:46,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 20:16:46,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-04-11 20:16:46,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:16:46,239 INFO L225 Difference]: With dead ends: 105 [2018-04-11 20:16:46,239 INFO L226 Difference]: Without dead ends: 105 [2018-04-11 20:16:46,239 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 20:16:46,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-04-11 20:16:46,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 57. [2018-04-11 20:16:46,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-11 20:16:46,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2018-04-11 20:16:46,244 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 62 transitions. Word has length 13 [2018-04-11 20:16:46,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:16:46,244 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 62 transitions. [2018-04-11 20:16:46,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 20:16:46,245 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2018-04-11 20:16:46,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 20:16:46,245 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:16:46,245 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:16:46,245 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 20:16:46,245 INFO L82 PathProgramCache]: Analyzing trace with hash -820958355, now seen corresponding path program 1 times [2018-04-11 20:16:46,245 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:16:46,246 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:16:46,246 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:16:46,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:16:46,246 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:16:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:16:46,257 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:16:46,282 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 20:16:46,282 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:16:46,282 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 20:16:46,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 20:16:46,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 20:16:46,283 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:16:46,283 INFO L87 Difference]: Start difference. First operand 57 states and 62 transitions. Second operand 4 states. [2018-04-11 20:16:46,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:16:46,317 INFO L93 Difference]: Finished difference Result 69 states and 75 transitions. [2018-04-11 20:16:46,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 20:16:46,317 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-11 20:16:46,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:16:46,318 INFO L225 Difference]: With dead ends: 69 [2018-04-11 20:16:46,318 INFO L226 Difference]: Without dead ends: 69 [2018-04-11 20:16:46,318 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:16:46,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-04-11 20:16:46,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 59. [2018-04-11 20:16:46,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-11 20:16:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2018-04-11 20:16:46,321 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 64 transitions. Word has length 13 [2018-04-11 20:16:46,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:16:46,322 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 64 transitions. [2018-04-11 20:16:46,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 20:16:46,322 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2018-04-11 20:16:46,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 20:16:46,322 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:16:46,322 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:16:46,322 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 20:16:46,322 INFO L82 PathProgramCache]: Analyzing trace with hash -820958314, now seen corresponding path program 1 times [2018-04-11 20:16:46,323 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:16:46,323 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:16:46,323 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:16:46,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:16:46,323 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:16:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:16:46,333 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:16:46,397 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 20:16:46,397 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:16:46,397 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 20:16:46,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 20:16:46,397 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 20:16:46,398 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:16:46,398 INFO L87 Difference]: Start difference. First operand 59 states and 64 transitions. Second operand 5 states. [2018-04-11 20:16:46,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:16:46,512 INFO L93 Difference]: Finished difference Result 66 states and 72 transitions. [2018-04-11 20:16:46,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 20:16:46,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-04-11 20:16:46,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:16:46,514 INFO L225 Difference]: With dead ends: 66 [2018-04-11 20:16:46,514 INFO L226 Difference]: Without dead ends: 66 [2018-04-11 20:16:46,515 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 20:16:46,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-11 20:16:46,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2018-04-11 20:16:46,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-11 20:16:46,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2018-04-11 20:16:46,523 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 13 [2018-04-11 20:16:46,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:16:46,523 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2018-04-11 20:16:46,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 20:16:46,523 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2018-04-11 20:16:46,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 20:16:46,524 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:16:46,524 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:16:46,524 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 20:16:46,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1391570458, now seen corresponding path program 1 times [2018-04-11 20:16:46,524 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:16:46,524 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:16:46,525 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:16:46,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:16:46,525 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:16:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 20:16:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 20:16:46,571 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 20:16:46,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 08:16:46 BoogieIcfgContainer [2018-04-11 20:16:46,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 20:16:46,588 INFO L168 Benchmark]: Toolchain (without parser) took 1460.85 ms. Allocated memory was 398.5 MB in the beginning and 576.7 MB in the end (delta: 178.3 MB). Free memory was 329.6 MB in the beginning and 422.8 MB in the end (delta: -93.3 MB). Peak memory consumption was 85.0 MB. Max. memory is 5.3 GB. [2018-04-11 20:16:46,589 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 398.5 MB. Free memory is still 356.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 20:16:46,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.00 ms. Allocated memory is still 398.5 MB. Free memory was 329.6 MB in the beginning and 305.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-11 20:16:46,590 INFO L168 Benchmark]: Boogie Preprocessor took 36.65 ms. Allocated memory is still 398.5 MB. Free memory was 305.7 MB in the beginning and 303.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 20:16:46,590 INFO L168 Benchmark]: RCFGBuilder took 385.76 ms. Allocated memory was 398.5 MB in the beginning and 576.7 MB in the end (delta: 178.3 MB). Free memory was 303.0 MB in the beginning and 510.1 MB in the end (delta: -207.1 MB). Peak memory consumption was 25.3 MB. Max. memory is 5.3 GB. [2018-04-11 20:16:46,590 INFO L168 Benchmark]: TraceAbstraction took 783.68 ms. Allocated memory is still 576.7 MB. Free memory was 510.1 MB in the beginning and 422.8 MB in the end (delta: 87.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 5.3 GB. [2018-04-11 20:16:46,592 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 398.5 MB. Free memory is still 356.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 252.00 ms. Allocated memory is still 398.5 MB. Free memory was 329.6 MB in the beginning and 305.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.65 ms. Allocated memory is still 398.5 MB. Free memory was 305.7 MB in the beginning and 303.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 385.76 ms. Allocated memory was 398.5 MB in the beginning and 576.7 MB in the end (delta: 178.3 MB). Free memory was 303.0 MB in the beginning and 510.1 MB in the end (delta: -207.1 MB). Peak memory consumption was 25.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 783.68 ms. Allocated memory is still 576.7 MB. Free memory was 510.1 MB in the beginning and 422.8 MB in the end (delta: 87.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 549]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L541] int i, j, tmp; [L542] int length = __VERIFIER_nondet_int(); [L543] COND TRUE length < 1 [L543] length = 1 VAL [length=1] [L544] COND FALSE !(length % 2 == 0) VAL [length=1] [L545] EXPR, FCALL __builtin_alloca (length*sizeof(int)) VAL [__builtin_alloca (length*sizeof(int))={6:0}, length=1] [L545] int *arr = __builtin_alloca (length*sizeof(int)); [L546] i=0 VAL [__builtin_alloca (length*sizeof(int))={6:0}, arr={6:0}, i=0, length=1] [L546] COND TRUE i