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 -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/memsafety/test-0220_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cf7e2d-m [2018-03-29 20:58:57,700 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 20:58:57,701 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 20:58:57,714 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-29 20:58:57,715 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-29 20:58:57,715 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-29 20:58:57,716 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-29 20:58:57,718 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-29 20:58:57,720 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-29 20:58:57,721 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-29 20:58:57,722 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-29 20:58:57,722 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-29 20:58:57,723 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-29 20:58:57,724 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-29 20:58:57,725 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-29 20:58:57,727 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-29 20:58:57,729 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-29 20:58:57,731 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-29 20:58:57,732 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-29 20:58:57,734 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-29 20:58:57,736 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-29 20:58:57,736 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-29 20:58:57,736 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-29 20:58:57,737 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-29 20:58:57,738 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-29 20:58:57,739 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-29 20:58:57,740 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-29 20:58:57,740 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-29 20:58:57,741 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-29 20:58:57,741 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-29 20:58:57,742 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-29 20:58:57,742 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-29 20:58:57,766 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 20:58:57,766 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 20:58:57,766 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 20:58:57,767 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 20:58:57,767 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 20:58:57,767 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 20:58:57,768 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 20:58:57,768 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 20:58:57,768 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 20:58:57,768 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 20:58:57,769 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 20:58:57,769 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 20:58:57,769 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 20:58:57,769 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 20:58:57,769 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 20:58:57,769 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 20:58:57,770 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 20:58:57,770 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 20:58:57,770 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 20:58:57,770 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 20:58:57,770 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 20:58:57,770 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 20:58:57,771 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 20:58:57,771 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 20:58:57,771 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 20:58:57,771 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 20:58:57,771 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 20:58:57,771 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 20:58:57,772 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 20:58:57,772 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 20:58:57,772 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 20:58:57,772 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:58:57,772 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 20:58:57,773 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 20:58:57,773 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 20:58:57,773 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 20:58:57,773 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 20:58:57,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 20:58:57,814 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 20:58:57,817 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 20:58:57,818 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 20:58:57,818 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 20:58:57,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,135 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGcc7c66bff [2018-03-29 20:58:58,340 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 20:58:58,340 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 20:58:58,341 INFO L168 CDTParser]: Scanning test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,353 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 20:58:58,353 INFO L215 ultiparseSymbolTable]: [2018-03-29 20:58:58,353 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 20:58:58,353 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_memtrack_i__l2_insert ('l2_insert') in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,353 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,353 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_memtrack_i__calloc_model ('calloc_model') in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,354 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_memtrack_i__l1_insert ('l1_insert') in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,354 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_memtrack_i__l2_destroy ('l2_destroy') in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,354 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 20:58:58,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__u_char in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__ulong in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____u_long in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____pthread_list_t in test-0220_false-valid-memtrack.i [2018-03-29 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variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____swblk_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pthread_once_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____socklen_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__off_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____int8_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____mode_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____ssize_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____sig_atomic_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____intptr_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pid_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__int32_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__fsfilcnt_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__id_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__ssize_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____uint64_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____blkcnt64_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__gid_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____uid_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__u_short in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__nlink_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__uint in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____clockid_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__clockid_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pthread_spinlock_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__u_int16_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__div_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__caddr_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____int32_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__fsblkcnt_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__u_int in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____rlim_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____uint32_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__u_int8_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__uid_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__key_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__size_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pthread_cond_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____fd_mask in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__quad_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____u_char in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____gid_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____u_quad_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pthread_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__int16_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__lldiv_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____id_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pthread_attr_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pthread_barrier_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__wchar_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____timer_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pthread_mutexattr_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____pid_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____quad_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____fsblkcnt64_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____off64_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____suseconds_t in test-0220_false-valid-memtrack.i [2018-03-29 20:58:58,388 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGcc7c66bff [2018-03-29 20:58:58,392 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 20:58:58,396 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-29 20:58:58,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 20:58:58,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 20:58:58,402 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 20:58:58,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 08:58:58" (1/1) ... [2018-03-29 20:58:58,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6267aef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:58:58, skipping insertion in model container [2018-03-29 20:58:58,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 08:58:58" (1/1) ... [2018-03-29 20:58:58,419 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 20:58:58,454 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 20:58:58,635 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 20:58:58,689 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 20:58:58,698 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 162 non ball SCCs. Number of states in SCCs 162. [2018-03-29 20:58:58,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:58:58 WrapperNode [2018-03-29 20:58:58,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 20:58:58,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 20:58:58,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 20:58:58,780 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 20:58:58,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:58:58" (1/1) ... [2018-03-29 20:58:58,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:58:58" (1/1) ... [2018-03-29 20:58:58,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:58:58" (1/1) ... [2018-03-29 20:58:58,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:58:58" (1/1) ... [2018-03-29 20:58:58,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:58:58" (1/1) ... [2018-03-29 20:58:58,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:58:58" (1/1) ... [2018-03-29 20:58:58,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:58:58" (1/1) ... [2018-03-29 20:58:58,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 20:58:58,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 20:58:58,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 20:58:58,842 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 20:58:58,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:58:58" (1/1) ... No working directory specified, using /storage/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 [2018-03-29 20:58:58,970 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 20:58:58,970 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 20:58:58,970 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_i__calloc_model [2018-03-29 20:58:58,970 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_i__l2_insert [2018-03-29 20:58:58,970 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_i__l2_destroy [2018-03-29 20:58:58,970 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_i__l1_insert [2018-03-29 20:58:58,970 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 20:58:58,971 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-03-29 20:58:58,971 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-29 20:58:58,971 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-29 20:58:58,971 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-29 20:58:58,971 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-29 20:58:58,971 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-29 20:58:58,972 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-29 20:58:58,972 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-29 20:58:58,972 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-29 20:58:58,972 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-29 20:58:58,972 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-29 20:58:58,972 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-29 20:58:58,973 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-29 20:58:58,973 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-29 20:58:58,973 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-29 20:58:58,973 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-29 20:58:58,973 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-29 20:58:58,974 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-29 20:58:58,974 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-29 20:58:58,974 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-29 20:58:58,974 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-29 20:58:58,974 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-29 20:58:58,974 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-29 20:58:58,974 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-29 20:58:58,975 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-29 20:58:58,975 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-29 20:58:58,975 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-29 20:58:58,975 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-29 20:58:58,975 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-29 20:58:58,975 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-29 20:58:58,975 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-29 20:58:58,975 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-29 20:58:58,976 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-29 20:58:58,976 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-29 20:58:58,976 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-29 20:58:58,976 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-29 20:58:58,976 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-29 20:58:58,976 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-29 20:58:58,976 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-29 20:58:58,976 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-29 20:58:58,977 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-29 20:58:58,977 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-29 20:58:58,977 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-29 20:58:58,977 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-29 20:58:58,977 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-29 20:58:58,977 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-29 20:58:58,977 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-29 20:58:58,978 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-29 20:58:58,978 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-29 20:58:58,978 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-29 20:58:58,978 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-29 20:58:58,978 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-29 20:58:58,978 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-29 20:58:58,978 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-29 20:58:58,978 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-29 20:58:58,979 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-29 20:58:58,979 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-29 20:58:58,979 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-29 20:58:58,979 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-29 20:58:58,979 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-29 20:58:58,979 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-29 20:58:58,979 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-29 20:58:58,979 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-29 20:58:58,980 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-29 20:58:58,980 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-29 20:58:58,980 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-29 20:58:58,980 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-03-29 20:58:58,980 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-29 20:58:58,980 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-29 20:58:58,980 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-29 20:58:58,981 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-29 20:58:58,981 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-29 20:58:58,981 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-29 20:58:58,981 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-29 20:58:58,981 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-29 20:58:58,981 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-29 20:58:58,981 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-29 20:58:58,981 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-29 20:58:58,982 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-29 20:58:58,982 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-29 20:58:58,982 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-29 20:58:58,982 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-29 20:58:58,982 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-29 20:58:58,982 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-29 20:58:58,982 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-29 20:58:58,983 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-29 20:58:58,983 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-29 20:58:58,983 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-29 20:58:58,983 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-29 20:58:58,983 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-29 20:58:58,983 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-29 20:58:58,983 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-29 20:58:58,983 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-29 20:58:58,984 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-29 20:58:58,984 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-29 20:58:58,984 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-29 20:58:58,984 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-29 20:58:58,984 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-29 20:58:58,984 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-29 20:58:58,984 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-29 20:58:58,984 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-29 20:58:58,984 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-29 20:58:58,985 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-29 20:58:58,985 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-03-29 20:58:58,985 INFO L128 BoogieDeclarations]: Found specification of procedure memmove [2018-03-29 20:58:58,985 INFO L128 BoogieDeclarations]: Found specification of procedure memccpy [2018-03-29 20:58:58,985 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-03-29 20:58:58,985 INFO L128 BoogieDeclarations]: Found specification of procedure memcmp [2018-03-29 20:58:58,985 INFO L128 BoogieDeclarations]: Found specification of procedure memchr [2018-03-29 20:58:58,985 INFO L128 BoogieDeclarations]: Found specification of procedure strcpy [2018-03-29 20:58:58,986 INFO L128 BoogieDeclarations]: Found specification of procedure strncpy [2018-03-29 20:58:58,986 INFO L128 BoogieDeclarations]: Found specification of procedure strcat [2018-03-29 20:58:58,986 INFO L128 BoogieDeclarations]: Found specification of procedure strncat [2018-03-29 20:58:58,986 INFO L128 BoogieDeclarations]: Found specification of procedure strcmp [2018-03-29 20:58:58,986 INFO L128 BoogieDeclarations]: Found specification of procedure strncmp [2018-03-29 20:58:58,986 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll [2018-03-29 20:58:58,986 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm [2018-03-29 20:58:58,986 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll_l [2018-03-29 20:58:58,987 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm_l [2018-03-29 20:58:58,987 INFO L128 BoogieDeclarations]: Found specification of procedure strdup [2018-03-29 20:58:58,987 INFO L128 BoogieDeclarations]: Found specification of procedure strndup [2018-03-29 20:58:58,987 INFO L128 BoogieDeclarations]: Found specification of procedure strchr [2018-03-29 20:58:58,987 INFO L128 BoogieDeclarations]: Found specification of procedure strrchr [2018-03-29 20:58:58,987 INFO L128 BoogieDeclarations]: Found specification of procedure strcspn [2018-03-29 20:58:58,987 INFO L128 BoogieDeclarations]: Found specification of procedure strspn [2018-03-29 20:58:58,987 INFO L128 BoogieDeclarations]: Found specification of procedure strpbrk [2018-03-29 20:58:58,987 INFO L128 BoogieDeclarations]: Found specification of procedure strstr [2018-03-29 20:58:58,988 INFO L128 BoogieDeclarations]: Found specification of procedure strtok [2018-03-29 20:58:58,988 INFO L128 BoogieDeclarations]: Found specification of procedure __strtok_r [2018-03-29 20:58:58,988 INFO L128 BoogieDeclarations]: Found specification of procedure strtok_r [2018-03-29 20:58:58,988 INFO L128 BoogieDeclarations]: Found specification of procedure strlen [2018-03-29 20:58:58,988 INFO L128 BoogieDeclarations]: Found specification of procedure strnlen [2018-03-29 20:58:58,988 INFO L128 BoogieDeclarations]: Found specification of procedure strerror [2018-03-29 20:58:58,988 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_r [2018-03-29 20:58:58,988 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_l [2018-03-29 20:58:58,989 INFO L128 BoogieDeclarations]: Found specification of procedure __bzero [2018-03-29 20:58:58,989 INFO L128 BoogieDeclarations]: Found specification of procedure bcopy [2018-03-29 20:58:58,989 INFO L128 BoogieDeclarations]: Found specification of procedure bzero [2018-03-29 20:58:58,989 INFO L128 BoogieDeclarations]: Found specification of procedure bcmp [2018-03-29 20:58:58,989 INFO L128 BoogieDeclarations]: Found specification of procedure index [2018-03-29 20:58:58,989 INFO L128 BoogieDeclarations]: Found specification of procedure rindex [2018-03-29 20:58:58,989 INFO L128 BoogieDeclarations]: Found specification of procedure ffs [2018-03-29 20:58:58,989 INFO L128 BoogieDeclarations]: Found specification of procedure strcasecmp [2018-03-29 20:58:58,989 INFO L128 BoogieDeclarations]: Found specification of procedure strncasecmp [2018-03-29 20:58:58,990 INFO L128 BoogieDeclarations]: Found specification of procedure strsep [2018-03-29 20:58:58,990 INFO L128 BoogieDeclarations]: Found specification of procedure strsignal [2018-03-29 20:58:58,990 INFO L128 BoogieDeclarations]: Found specification of procedure __stpcpy [2018-03-29 20:58:58,990 INFO L128 BoogieDeclarations]: Found specification of procedure stpcpy [2018-03-29 20:58:58,990 INFO L128 BoogieDeclarations]: Found specification of procedure __stpncpy [2018-03-29 20:58:58,990 INFO L128 BoogieDeclarations]: Found specification of procedure stpncpy [2018-03-29 20:58:58,990 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_i__calloc_model [2018-03-29 20:58:58,990 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 20:58:58,991 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-03-29 20:58:58,991 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-29 20:58:58,991 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_i__l2_insert [2018-03-29 20:58:58,991 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-29 20:58:58,991 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-29 20:58:58,991 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_i__l2_destroy [2018-03-29 20:58:58,991 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 20:58:58,991 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_i__l1_insert [2018-03-29 20:58:58,992 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 20:58:58,992 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 20:58:58,992 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 20:58:59,371 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-03-29 20:58:59,538 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 20:58:59,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 08:58:59 BoogieIcfgContainer [2018-03-29 20:58:59,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 20:58:59,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 20:58:59,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 20:58:59,542 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 20:58:59,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 08:58:58" (1/3) ... [2018-03-29 20:58:59,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15268d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 08:58:59, skipping insertion in model container [2018-03-29 20:58:59,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:58:58" (2/3) ... [2018-03-29 20:58:59,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15268d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 08:58:59, skipping insertion in model container [2018-03-29 20:58:59,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 08:58:59" (3/3) ... [2018-03-29 20:58:59,546 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0220_false-valid-memtrack.i [2018-03-29 20:58:59,554 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 20:58:59,562 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-03-29 20:58:59,605 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 20:58:59,605 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 20:58:59,605 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 20:58:59,605 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 20:58:59,605 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 20:58:59,605 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 20:58:59,606 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 20:58:59,606 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 20:58:59,606 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 20:58:59,606 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 20:58:59,624 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-03-29 20:58:59,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-03-29 20:58:59,628 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:58:59,629 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-03-29 20:58:59,629 INFO L408 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-03-29 20:58:59,632 INFO L82 PathProgramCache]: Analyzing trace with hash 235899070, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:58:59,649 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:58:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:58:59,688 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:58:59,740 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 6 treesize of output 5 [2018-03-29 20:58:59,742 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:58:59,759 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:58:59,760 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 20:58:59,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:58:59,766 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:58:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:58:59,796 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:58:59,796 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-03-29 20:58:59,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-29 20:58:59,808 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-29 20:58:59,808 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 20:58:59,810 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 3 states. [2018-03-29 20:58:59,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:58:59,966 INFO L93 Difference]: Finished difference Result 297 states and 327 transitions. [2018-03-29 20:58:59,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-29 20:58:59,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2018-03-29 20:58:59,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:58:59,977 INFO L225 Difference]: With dead ends: 297 [2018-03-29 20:58:59,977 INFO L226 Difference]: Without dead ends: 144 [2018-03-29 20:58:59,981 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 20:58:59,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-03-29 20:59:00,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-03-29 20:59:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-03-29 20:59:00,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 149 transitions. [2018-03-29 20:59:00,023 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 149 transitions. Word has length 5 [2018-03-29 20:59:00,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:59:00,023 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 149 transitions. [2018-03-29 20:59:00,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-29 20:59:00,024 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 149 transitions. [2018-03-29 20:59:00,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-03-29 20:59:00,024 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:59:00,024 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-03-29 20:59:00,024 INFO L408 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-03-29 20:59:00,024 INFO L82 PathProgramCache]: Analyzing trace with hash 235899071, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:59:00,030 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:59:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:59:00,043 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:59:00,055 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 6 treesize of output 5 [2018-03-29 20:59:00,055 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:59:00,080 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:59:00,080 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 20:59:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:59:00,086 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:59:00,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:59:00,153 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:59:00,153 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2018-03-29 20:59:00,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 20:59:00,155 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 20:59:00,155 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-03-29 20:59:00,155 INFO L87 Difference]: Start difference. First operand 144 states and 149 transitions. Second operand 4 states. [2018-03-29 20:59:00,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:59:00,319 INFO L93 Difference]: Finished difference Result 154 states and 161 transitions. [2018-03-29 20:59:00,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-29 20:59:00,319 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-03-29 20:59:00,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:59:00,322 INFO L225 Difference]: With dead ends: 154 [2018-03-29 20:59:00,323 INFO L226 Difference]: Without dead ends: 148 [2018-03-29 20:59:00,324 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-03-29 20:59:00,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-03-29 20:59:00,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 141. [2018-03-29 20:59:00,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-03-29 20:59:00,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 146 transitions. [2018-03-29 20:59:00,341 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 146 transitions. Word has length 5 [2018-03-29 20:59:00,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:59:00,341 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 146 transitions. [2018-03-29 20:59:00,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 20:59:00,342 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2018-03-29 20:59:00,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-03-29 20:59:00,342 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:59:00,343 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:59:00,343 INFO L408 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-03-29 20:59:00,343 INFO L82 PathProgramCache]: Analyzing trace with hash -77761661, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:59:00,353 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:59:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:59:00,377 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:59:00,394 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 6 treesize of output 5 [2018-03-29 20:59:00,394 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:59:00,408 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:59:00,409 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 20:59:00,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:59:00,445 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:59:00,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:59:00,489 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:59:00,489 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 20:59:00,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 20:59:00,490 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 20:59:00,490 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 20:59:00,490 INFO L87 Difference]: Start difference. First operand 141 states and 146 transitions. Second operand 4 states. [2018-03-29 20:59:00,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:59:00,636 INFO L93 Difference]: Finished difference Result 141 states and 146 transitions. [2018-03-29 20:59:00,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-29 20:59:00,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-03-29 20:59:00,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:59:00,639 INFO L225 Difference]: With dead ends: 141 [2018-03-29 20:59:00,639 INFO L226 Difference]: Without dead ends: 140 [2018-03-29 20:59:00,639 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 20:59:00,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-03-29 20:59:00,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-03-29 20:59:00,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-03-29 20:59:00,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 145 transitions. [2018-03-29 20:59:00,653 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 145 transitions. Word has length 17 [2018-03-29 20:59:00,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:59:00,653 INFO L459 AbstractCegarLoop]: Abstraction has 140 states and 145 transitions. [2018-03-29 20:59:00,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 20:59:00,654 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2018-03-29 20:59:00,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-03-29 20:59:00,654 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:59:00,654 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:59:00,654 INFO L408 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-03-29 20:59:00,655 INFO L82 PathProgramCache]: Analyzing trace with hash -77761660, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:59:00,668 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:59:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:59:00,698 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:59:00,709 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 24 treesize of output 23 [2018-03-29 20:59:00,710 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:59:00,748 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 21 treesize of output 20 [2018-03-29 20:59:00,749 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 20:59:00,834 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 20:59:00,834 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:44 [2018-03-29 20:59:00,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:59:00,901 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:59:00,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:59:01,015 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:59:01,015 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-29 20:59:01,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 20:59:01,016 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 20:59:01,016 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-29 20:59:01,016 INFO L87 Difference]: Start difference. First operand 140 states and 145 transitions. Second operand 6 states. [2018-03-29 20:59:01,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:59:01,197 INFO L93 Difference]: Finished difference Result 140 states and 145 transitions. [2018-03-29 20:59:01,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-29 20:59:01,198 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-03-29 20:59:01,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:59:01,199 INFO L225 Difference]: With dead ends: 140 [2018-03-29 20:59:01,199 INFO L226 Difference]: Without dead ends: 139 [2018-03-29 20:59:01,199 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-29 20:59:01,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-03-29 20:59:01,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-03-29 20:59:01,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-03-29 20:59:01,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 144 transitions. [2018-03-29 20:59:01,212 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 144 transitions. Word has length 17 [2018-03-29 20:59:01,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:59:01,212 INFO L459 AbstractCegarLoop]: Abstraction has 139 states and 144 transitions. [2018-03-29 20:59:01,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 20:59:01,212 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 144 transitions. [2018-03-29 20:59:01,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-03-29 20:59:01,214 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:59:01,214 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2018-03-29 20:59:01,214 INFO L408 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-03-29 20:59:01,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1922549004, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:59:01,220 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:59:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:59:01,263 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:59:01,268 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 6 treesize of output 5 [2018-03-29 20:59:01,269 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:59:01,270 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:59:01,270 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 20:59:01,311 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 20:59:01,312 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 20:59:01,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-29 20:59:01,314 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:59:01,319 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 20:59:01,319 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-03-29 20:59:01,336 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-03-29 20:59:01,336 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:59:03,468 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-03-29 20:59:03,490 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:59:03,490 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 13 [2018-03-29 20:59:03,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-03-29 20:59:03,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-03-29 20:59:03,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=143, Unknown=1, NotChecked=0, Total=182 [2018-03-29 20:59:03,491 INFO L87 Difference]: Start difference. First operand 139 states and 144 transitions. Second operand 14 states. [2018-03-29 20:59:03,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:59:03,946 INFO L93 Difference]: Finished difference Result 139 states and 144 transitions. [2018-03-29 20:59:03,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-03-29 20:59:03,947 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2018-03-29 20:59:03,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:59:03,949 INFO L225 Difference]: With dead ends: 139 [2018-03-29 20:59:03,949 INFO L226 Difference]: Without dead ends: 136 [2018-03-29 20:59:03,949 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=62, Invalid=209, Unknown=1, NotChecked=0, Total=272 [2018-03-29 20:59:03,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-03-29 20:59:03,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-03-29 20:59:03,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-03-29 20:59:03,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 141 transitions. [2018-03-29 20:59:03,961 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 141 transitions. Word has length 54 [2018-03-29 20:59:03,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:59:03,962 INFO L459 AbstractCegarLoop]: Abstraction has 136 states and 141 transitions. [2018-03-29 20:59:03,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-03-29 20:59:03,962 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 141 transitions. [2018-03-29 20:59:03,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-03-29 20:59:03,963 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:59:03,964 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2018-03-29 20:59:03,964 INFO L408 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-03-29 20:59:03,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1922549005, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:59:03,973 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:59:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:59:04,033 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:59:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:59:04,142 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:59:04,326 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-03-29 20:59:04,351 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-03-29 20:59:04,351 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2018-03-29 20:59:04,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-03-29 20:59:04,352 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-03-29 20:59:04,352 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-03-29 20:59:04,352 INFO L87 Difference]: Start difference. First operand 136 states and 141 transitions. Second operand 11 states. [2018-03-29 20:59:05,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:59:05,969 INFO L93 Difference]: Finished difference Result 273 states and 287 transitions. [2018-03-29 20:59:05,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-29 20:59:05,970 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2018-03-29 20:59:05,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:59:05,970 INFO L225 Difference]: With dead ends: 273 [2018-03-29 20:59:05,971 INFO L226 Difference]: Without dead ends: 139 [2018-03-29 20:59:05,971 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-03-29 20:59:05,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-03-29 20:59:05,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2018-03-29 20:59:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-03-29 20:59:05,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 142 transitions. [2018-03-29 20:59:05,980 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 142 transitions. Word has length 54 [2018-03-29 20:59:05,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:59:05,980 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 142 transitions. [2018-03-29 20:59:05,980 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-03-29 20:59:05,980 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 142 transitions. [2018-03-29 20:59:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-03-29 20:59:05,981 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:59:05,981 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2018-03-29 20:59:05,981 INFO L408 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-03-29 20:59:05,981 INFO L82 PathProgramCache]: Analyzing trace with hash 707959977, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:59:05,987 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:59:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:59:06,043 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:59:06,160 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-03-29 20:59:06,160 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:59:06,942 WARN L148 SmtUtils]: Spent 138ms on a formula simplification that was a NOOP. DAG size: 42 [2018-03-29 20:59:10,043 WARN L148 SmtUtils]: Spent 3043ms on a formula simplification that was a NOOP. DAG size: 43 [2018-03-29 20:59:12,123 WARN L148 SmtUtils]: Spent 2030ms on a formula simplification that was a NOOP. DAG size: 44 [2018-03-29 20:59:12,155 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-03-29 20:59:12,186 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 20:59:12,186 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2018-03-29 20:59:12,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-03-29 20:59:12,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-03-29 20:59:12,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2018-03-29 20:59:12,187 INFO L87 Difference]: Start difference. First operand 137 states and 142 transitions. Second operand 15 states. [2018-03-29 20:59:12,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:59:12,359 INFO L93 Difference]: Finished difference Result 277 states and 291 transitions. [2018-03-29 20:59:12,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-29 20:59:12,360 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 60 [2018-03-29 20:59:12,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:59:12,361 INFO L225 Difference]: With dead ends: 277 [2018-03-29 20:59:12,361 INFO L226 Difference]: Without dead ends: 142 [2018-03-29 20:59:12,363 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 104 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2018-03-29 20:59:12,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-03-29 20:59:12,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2018-03-29 20:59:12,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-03-29 20:59:12,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 145 transitions. [2018-03-29 20:59:12,372 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 145 transitions. Word has length 60 [2018-03-29 20:59:12,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:59:12,372 INFO L459 AbstractCegarLoop]: Abstraction has 140 states and 145 transitions. [2018-03-29 20:59:12,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-03-29 20:59:12,372 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2018-03-29 20:59:12,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-03-29 20:59:12,373 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:59:12,373 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2018-03-29 20:59:12,374 INFO L408 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-03-29 20:59:12,374 INFO L82 PathProgramCache]: Analyzing trace with hash 285735565, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:59:12,383 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:59:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:59:12,489 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:59:15,101 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-03-29 20:59:15,101 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:59:15,627 WARN L148 SmtUtils]: Spent 479ms on a formula simplification that was a NOOP. DAG size: 19 [2018-03-29 20:59:15,700 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-03-29 20:59:17,722 WARN L1033 $PredicateComparison]: unable to prove that (and (forall ((v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6 Int) (v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 Int)) (let ((.cse0 (mod (* v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (< 2147483647 .cse0) (not (= .cse0 |c_#Ultimate.C_memset_#amount|)) (exists ((__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb Int)) (let ((.cse1 (mod (* __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (< 1 .cse1) (<= .cse1 2) (<= .cse1 2147483647))))))) (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse2 (mod (* v_prenex_11 v_prenex_10) 4294967296))) (or (<= .cse2 2147483647) (exists ((v_prenex_12 Int)) (let ((.cse3 (mod (* v_prenex_12 v_prenex_10) 4294967296))) (and (<= .cse3 2147483647) (<= .cse3 2) (< 1 .cse3)))) (not (= .cse2 (+ |c_#Ultimate.C_memset_#amount| 4294967296))))))) is different from true [2018-03-29 20:59:17,726 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-03-29 20:59:17,730 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-03-29 20:59:19,735 WARN L1033 $PredicateComparison]: unable to prove that (let ((.cse0 (< |c_#Ultimate.C_memset_#t~loopctr19| |c_#Ultimate.C_memset_#amount|))) (and (or .cse0 (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse1 (mod (* v_prenex_11 v_prenex_10) 4294967296))) (or (<= .cse1 2147483647) (exists ((v_prenex_12 Int)) (let ((.cse2 (mod (* v_prenex_12 v_prenex_10) 4294967296))) (and (<= .cse2 2147483647) (<= .cse2 2) (< 1 .cse2)))) (not (= .cse1 (+ |c_#Ultimate.C_memset_#amount| 4294967296))))))) (or .cse0 (forall ((v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6 Int) (v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 Int)) (let ((.cse3 (mod (* v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (< 2147483647 .cse3) (not (= .cse3 |c_#Ultimate.C_memset_#amount|)) (exists ((__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb Int)) (let ((.cse4 (mod (* __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (< 1 .cse4) (<= .cse4 2) (<= .cse4 2147483647)))))))))) is different from true [2018-03-29 20:59:19,741 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-03-29 20:59:21,752 WARN L1033 $PredicateComparison]: unable to prove that (let ((.cse2 (< (+ |c_#Ultimate.C_memset_#t~loopctr19| 1) |c_#Ultimate.C_memset_#amount|))) (and (or (forall ((v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6 Int) (v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 Int)) (let ((.cse0 (mod (* v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (< 2147483647 .cse0) (not (= .cse0 |c_#Ultimate.C_memset_#amount|)) (exists ((__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb Int)) (let ((.cse1 (mod (* __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (< 1 .cse1) (<= .cse1 2) (<= .cse1 2147483647))))))) .cse2) (or .cse2 (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse3 (mod (* v_prenex_11 v_prenex_10) 4294967296))) (or (<= .cse3 2147483647) (exists ((v_prenex_12 Int)) (let ((.cse4 (mod (* v_prenex_12 v_prenex_10) 4294967296))) (and (<= .cse4 2147483647) (<= .cse4 2) (< 1 .cse4)))) (not (= .cse3 (+ |c_#Ultimate.C_memset_#amount| 4294967296))))))))) is different from true [2018-03-29 20:59:21,757 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-03-29 20:59:21,762 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-03-29 20:59:23,446 WARN L1033 $PredicateComparison]: unable to prove that (let ((.cse0 (< (+ |c_#Ultimate.C_memset_#t~loopctr19| 1) |c_#Ultimate.C_memset_#amount|)) (.cse3 (<= |c_#Ultimate.C_memset_#amount| |c_#Ultimate.C_memset_#t~loopctr19|))) (and (or .cse0 (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse1 (mod (* v_prenex_11 v_prenex_10) 4294967296))) (or (<= .cse1 2147483647) (exists ((v_prenex_12 Int)) (let ((.cse2 (mod (* v_prenex_12 v_prenex_10) 4294967296))) (and (<= .cse2 2147483647) (<= .cse2 2) (< 1 .cse2)))) (not (= .cse1 (+ |c_#Ultimate.C_memset_#amount| 4294967296)))))) .cse3) (or (forall ((v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6 Int) (v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 Int)) (let ((.cse4 (mod (* v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (< 2147483647 .cse4) (not (= .cse4 |c_#Ultimate.C_memset_#amount|)) (exists ((__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb Int)) (let ((.cse5 (mod (* __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (< 1 .cse5) (<= .cse5 2) (<= .cse5 2147483647))))))) .cse0 .cse3))) is different from true [2018-03-29 20:59:23,449 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-03-29 20:59:25,455 WARN L1033 $PredicateComparison]: unable to prove that (let ((.cse0 (< (+ |c_#Ultimate.C_memset_#t~loopctr19| 2) |c_#Ultimate.C_memset_#amount|)) (.cse3 (<= |c_#Ultimate.C_memset_#amount| (+ |c_#Ultimate.C_memset_#t~loopctr19| 1)))) (and (or .cse0 (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse1 (mod (* v_prenex_11 v_prenex_10) 4294967296))) (or (<= .cse1 2147483647) (exists ((v_prenex_12 Int)) (let ((.cse2 (mod (* v_prenex_12 v_prenex_10) 4294967296))) (and (<= .cse2 2147483647) (<= .cse2 2) (< 1 .cse2)))) (not (= .cse1 (+ |c_#Ultimate.C_memset_#amount| 4294967296)))))) .cse3) (or (forall ((v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6 Int) (v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 Int)) (let ((.cse4 (mod (* v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (< 2147483647 .cse4) (not (= .cse4 |c_#Ultimate.C_memset_#amount|)) (exists ((__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb Int)) (let ((.cse5 (mod (* __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (< 1 .cse5) (<= .cse5 2) (<= .cse5 2147483647))))))) .cse0 .cse3))) is different from true [2018-03-29 20:59:25,459 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-03-29 20:59:25,464 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-03-29 20:59:25,470 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-03-29 20:59:25,503 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 7 refuted. 19 times theorem prover too weak. 10 trivial. 5 not checked. [2018-03-29 20:59:25,524 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 20:59:25,524 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2018-03-29 20:59:25,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-03-29 20:59:25,525 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-03-29 20:59:25,525 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=87, Unknown=8, NotChecked=110, Total=240 [2018-03-29 20:59:25,525 INFO L87 Difference]: Start difference. First operand 140 states and 145 transitions. Second operand 16 states. [2018-03-29 20:59:35,137 WARN L1033 $PredicateComparison]: unable to prove that (let ((.cse2 (< (+ |c_#Ultimate.C_memset_#t~loopctr19| 1) |c_#Ultimate.C_memset_#amount|))) (and (< |c_#Ultimate.C_memset_#t~loopctr19| |c_#Ultimate.C_memset_#amount|) (or (forall ((v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6 Int) (v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 Int)) (let ((.cse0 (mod (* v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (< 2147483647 .cse0) (not (= .cse0 |c_#Ultimate.C_memset_#amount|)) (exists ((__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb Int)) (let ((.cse1 (mod (* __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (< 1 .cse1) (<= .cse1 2) (<= .cse1 2147483647))))))) .cse2) (= 1 |c_#Ultimate.C_memset_#t~loopctr19|) (or .cse2 (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse3 (mod (* v_prenex_11 v_prenex_10) 4294967296))) (or (<= .cse3 2147483647) (exists ((v_prenex_12 Int)) (let ((.cse4 (mod (* v_prenex_12 v_prenex_10) 4294967296))) (and (<= .cse4 2147483647) (<= .cse4 2) (< 1 .cse4)))) (not (= .cse3 (+ |c_#Ultimate.C_memset_#amount| 4294967296))))))))) is different from true [2018-03-29 20:59:40,314 WARN L1011 $PredicateComparison]: unable to prove that (and (<= |c_#Ultimate.C_memset_#t~loopctr19| 2) (forall ((v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6 Int) (v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 Int)) (let ((.cse0 (mod (* v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (< 2147483647 .cse0) (not (= .cse0 |c_#Ultimate.C_memset_#amount|)) (exists ((__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb Int)) (let ((.cse1 (mod (* __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (< 1 .cse1) (<= .cse1 2) (<= .cse1 2147483647))))))) (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse2 (mod (* v_prenex_11 v_prenex_10) 4294967296))) (or (<= .cse2 2147483647) (exists ((v_prenex_12 Int)) (let ((.cse3 (mod (* v_prenex_12 v_prenex_10) 4294967296))) (and (<= .cse3 2147483647) (<= .cse3 2) (< 1 .cse3)))) (not (= .cse2 (+ |c_#Ultimate.C_memset_#amount| 4294967296)))))) (< 1 |c_#Ultimate.C_memset_#amount|) (<= |c_#Ultimate.C_memset_#amount| 2)) is different from false [2018-03-29 20:59:42,336 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6 Int) (v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 Int)) (let ((.cse0 (mod (* v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (< 2147483647 .cse0) (not (= .cse0 |c_#Ultimate.C_memset_#amount|)) (exists ((__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb Int)) (let ((.cse1 (mod (* __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (< 1 .cse1) (<= .cse1 2) (<= .cse1 2147483647))))))) (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse2 (mod (* v_prenex_11 v_prenex_10) 4294967296))) (or (<= .cse2 2147483647) (exists ((v_prenex_12 Int)) (let ((.cse3 (mod (* v_prenex_12 v_prenex_10) 4294967296))) (and (<= .cse3 2147483647) (<= .cse3 2) (< 1 .cse3)))) (not (= .cse2 (+ |c_#Ultimate.C_memset_#amount| 4294967296)))))) (< 1 |c_#Ultimate.C_memset_#amount|) (<= |c_#Ultimate.C_memset_#amount| 2)) is different from false [2018-03-29 20:59:44,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:59:44,568 INFO L93 Difference]: Finished difference Result 283 states and 297 transitions. [2018-03-29 20:59:44,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-03-29 20:59:44,568 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 66 [2018-03-29 20:59:44,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:59:44,570 INFO L225 Difference]: With dead ends: 283 [2018-03-29 20:59:44,570 INFO L226 Difference]: Without dead ends: 145 [2018-03-29 20:59:44,571 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 116 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 18.4s TimeCoverageRelationStatistics Valid=41, Invalid=90, Unknown=11, NotChecked=200, Total=342 [2018-03-29 20:59:44,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-03-29 20:59:44,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2018-03-29 20:59:44,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-03-29 20:59:44,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 148 transitions. [2018-03-29 20:59:44,577 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 148 transitions. Word has length 66 [2018-03-29 20:59:44,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:59:44,577 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 148 transitions. [2018-03-29 20:59:44,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-03-29 20:59:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 148 transitions. [2018-03-29 20:59:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-03-29 20:59:44,578 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:59:44,579 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2018-03-29 20:59:44,579 INFO L408 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-03-29 20:59:44,579 INFO L82 PathProgramCache]: Analyzing trace with hash 469863721, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:59:44,588 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:59:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:59:44,786 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:59:44,874 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-03-29 20:59:44,875 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:59:47,045 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_8 Int) (v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_7 Int)) (let ((.cse0 (mod (* v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb_BEFORE_CALL_7 v___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size_BEFORE_CALL_8) 4294967296))) (or (< 2 .cse0) (<= .cse0 2147483647) (not (= .cse0 (+ |c_#Ultimate.C_memset_#amount| 4294967296)))))) (forall ((v_prenex_18 Int) (v_prenex_17 Int)) (let ((.cse1 (mod (* v_prenex_18 v_prenex_17) 4294967296))) (or (< 2 .cse1) (not (= .cse1 |c_#Ultimate.C_memset_#amount|)) (< 2147483647 .cse1)))) (forall ((v_prenex_14 Int) (v_prenex_13 Int)) (let ((.cse2 (mod (* v_prenex_14 v_prenex_13) 4294967296))) (or (<= .cse2 3) (not (= .cse2 (+ |c_#Ultimate.C_memset_#amount| 4294967296))) (<= .cse2 2147483647)))) (forall ((v_prenex_16 Int) (v_prenex_15 Int)) (let ((.cse3 (mod (* v_prenex_16 v_prenex_15) 4294967296))) (or (< 2147483647 .cse3) (<= .cse3 3) (not (= .cse3 |c_#Ultimate.C_memset_#amount|)))))) is different from false [2018-03-29 20:59:49,162 WARN L151 SmtUtils]: Spent 2074ms on a formula simplification. DAG size of input: 53 DAG size of output 42 [2018-03-29 20:59:51,024 WARN L148 SmtUtils]: Spent 1750ms on a formula simplification that was a NOOP. DAG size: 45 [2018-03-29 20:59:51,288 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-03-29 20:59:51,310 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 20:59:51,311 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 20 [2018-03-29 20:59:51,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-03-29 20:59:51,311 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-03-29 20:59:51,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=284, Unknown=1, NotChecked=34, Total=380 [2018-03-29 20:59:51,312 INFO L87 Difference]: Start difference. First operand 143 states and 148 transitions. Second operand 20 states. [2018-03-29 21:00:01,872 WARN L148 SmtUtils]: Spent 10195ms on a formula simplification that was a NOOP. DAG size: 57 [2018-03-29 21:00:01,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:00:01,915 INFO L93 Difference]: Finished difference Result 289 states and 303 transitions. [2018-03-29 21:00:01,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-03-29 21:00:01,916 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 72 [2018-03-29 21:00:01,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:00:01,917 INFO L225 Difference]: With dead ends: 289 [2018-03-29 21:00:01,917 INFO L226 Difference]: Without dead ends: 148 [2018-03-29 21:00:01,918 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 122 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=89, Invalid=420, Unknown=1, NotChecked=42, Total=552 [2018-03-29 21:00:01,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-03-29 21:00:01,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 146. [2018-03-29 21:00:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-03-29 21:00:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 151 transitions. [2018-03-29 21:00:01,926 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 151 transitions. Word has length 72 [2018-03-29 21:00:01,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:00:01,926 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 151 transitions. [2018-03-29 21:00:01,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-03-29 21:00:01,926 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 151 transitions. [2018-03-29 21:00:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-03-29 21:00:01,928 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:00:01,928 INFO L355 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2018-03-29 21:00:01,928 INFO L408 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-03-29 21:00:01,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1022242803, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:00:01,936 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:00:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:00:01,978 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:00:01,986 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 30 treesize of output 29 [2018-03-29 21:00:01,986 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:00:01,988 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 27 treesize of output 26 [2018-03-29 21:00:01,989 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:00:02,011 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 29 treesize of output 28 [2018-03-29 21:00:02,011 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:00:02,030 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 26 treesize of output 25 [2018-03-29 21:00:02,030 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:00:02,050 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:00:02,050 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:58, output treesize:54 [2018-03-29 21:00:02,632 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:00:02,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 19 [2018-03-29 21:00:02,634 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:00:02,651 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:00:02,652 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:00:02,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-29 21:00:02,653 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:00:02,666 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-03-29 21:00:02,666 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:43, output treesize:36 [2018-03-29 21:00:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 80 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-03-29 21:00:02,726 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:00:03,327 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 16