java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-ext3-properties/sll_length_check-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:18:17,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:18:17,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:18:17,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:18:17,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:18:17,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:18:17,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:18:17,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:18:17,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:18:17,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:18:17,675 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:18:17,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:18:17,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:18:17,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:18:17,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:18:17,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:18:17,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:18:17,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:18:17,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:18:17,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:18:17,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:18:17,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:18:17,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:18:17,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:18:17,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:18:17,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:18:17,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:18:17,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:18:17,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:18:17,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:18:17,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:18:17,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:18:17,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:18:17,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:18:17,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:18:17,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:18:17,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:18:17,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:18:17,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:18:17,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:18:17,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:18:17,712 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-18 07:18:17,726 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:18:17,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:18:17,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:18:17,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:18:17,730 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:18:17,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:18:17,730 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:18:17,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:18:17,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:18:17,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:18:17,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:18:17,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:18:17,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:18:17,732 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:18:17,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:18:17,733 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:18:17,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:18:17,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:18:17,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:18:17,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:18:17,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:18:17,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:18:17,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:18:17,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:18:17,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:18:17,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:18:17,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:18:17,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:18:17,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:18:17,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:18:17,783 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:18:17,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:18:17,788 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:18:17,788 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:18:17,789 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_length_check-1.i [2019-08-18 07:18:17,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0516aa851/37fbf4e0e1944feeb78e068869254d7f/FLAGa7337b4ee [2019-08-18 07:18:18,475 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:18:18,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_length_check-1.i [2019-08-18 07:18:18,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0516aa851/37fbf4e0e1944feeb78e068869254d7f/FLAGa7337b4ee [2019-08-18 07:18:18,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0516aa851/37fbf4e0e1944feeb78e068869254d7f [2019-08-18 07:18:18,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:18:18,751 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:18:18,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:18:18,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:18:18,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:18:18,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:18:18" (1/1) ... [2019-08-18 07:18:18,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e7ed38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:18, skipping insertion in model container [2019-08-18 07:18:18,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:18:18" (1/1) ... [2019-08-18 07:18:18,767 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:18:18,818 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:18:19,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:18:19,274 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:18:19,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:18:19,382 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:18:19,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:19 WrapperNode [2019-08-18 07:18:19,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:18:19,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:18:19,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:18:19,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:18:19,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:19" (1/1) ... [2019-08-18 07:18:19,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:19" (1/1) ... [2019-08-18 07:18:19,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:19" (1/1) ... [2019-08-18 07:18:19,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:19" (1/1) ... [2019-08-18 07:18:19,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:19" (1/1) ... [2019-08-18 07:18:19,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:19" (1/1) ... [2019-08-18 07:18:19,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:19" (1/1) ... [2019-08-18 07:18:19,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:18:19,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:18:19,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:18:19,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:18:19,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:19" (1/1) ... No working directory specified, using /storage/repos/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 [2019-08-18 07:18:19,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:18:19,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:18:19,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-18 07:18:19,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-18 07:18:19,511 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-18 07:18:19,511 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-08-18 07:18:19,512 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2019-08-18 07:18:19,512 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-08-18 07:18:19,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:18:19,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:18:19,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 07:18:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-18 07:18:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-18 07:18:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 07:18:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 07:18:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 07:18:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 07:18:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 07:18:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 07:18:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 07:18:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 07:18:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 07:18:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 07:18:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 07:18:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 07:18:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 07:18:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 07:18:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 07:18:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 07:18:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 07:18:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 07:18:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 07:18:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 07:18:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 07:18:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 07:18:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 07:18:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 07:18:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 07:18:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 07:18:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 07:18:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 07:18:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 07:18:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 07:18:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 07:18:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 07:18:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 07:18:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 07:18:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 07:18:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 07:18:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 07:18:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 07:18:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 07:18:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 07:18:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 07:18:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 07:18:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 07:18:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 07:18:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 07:18:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 07:18:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 07:18:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 07:18:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 07:18:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 07:18:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 07:18:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 07:18:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 07:18:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 07:18:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 07:18:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 07:18:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 07:18:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 07:18:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 07:18:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 07:18:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 07:18:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 07:18:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 07:18:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 07:18:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 07:18:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 07:18:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 07:18:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 07:18:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 07:18:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 07:18:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 07:18:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 07:18:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 07:18:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 07:18:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 07:18:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 07:18:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 07:18:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 07:18:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 07:18:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 07:18:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 07:18:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 07:18:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 07:18:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 07:18:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 07:18:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 07:18:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 07:18:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 07:18:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 07:18:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 07:18:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 07:18:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 07:18:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 07:18:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 07:18:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 07:18:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 07:18:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 07:18:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 07:18:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 07:18:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 07:18:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 07:18:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 07:18:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 07:18:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-18 07:18:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-08-18 07:18:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 07:18:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:18:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2019-08-18 07:18:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:18:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-08-18 07:18:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:18:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:18:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:18:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:18:19,864 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-18 07:18:19,998 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:18:19,998 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-18 07:18:20,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:18:20 BoogieIcfgContainer [2019-08-18 07:18:20,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:18:20,001 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:18:20,001 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:18:20,001 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:18:20,002 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:18:20" (1/1) ... [2019-08-18 07:18:20,022 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:18:20,025 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:18:20,032 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:18:20,041 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:18:20,042 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:18:20,119 INFO L375 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 [2019-08-18 07:18:20,120 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:20,143 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:20,144 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:20,144 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:18:20,155 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 07:18:20,218 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_7|], 1=[|v_#valid_16|]} [2019-08-18 07:18:20,227 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 6 treesize of output 5 [2019-08-18 07:18:20,227 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:20,351 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-08-18 07:18:20,352 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:20,381 INFO L375 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 07:18:20,382 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:20,413 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:20,414 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:20,415 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:39 [2019-08-18 07:18:20,416 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-18 07:18:20,460 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 69 treesize of output 65 [2019-08-18 07:18:20,462 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:20,471 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:18:20,472 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:20,562 INFO L567 ElimStorePlain]: treesize reduction 4, result has 93.8 percent of original size [2019-08-18 07:18:20,571 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 11 treesize of output 7 [2019-08-18 07:18:20,571 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:20,608 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:20,609 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:20,610 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:139, output treesize:57 [2019-08-18 07:18:20,626 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_8|], 3=[|v_#valid_17|]} [2019-08-18 07:18:20,659 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:20,662 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-18 07:18:20,663 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:20,781 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-08-18 07:18:20,781 INFO L567 ElimStorePlain]: treesize reduction 5, result has 93.8 percent of original size [2019-08-18 07:18:20,810 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:20,811 INFO L375 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-08-18 07:18:20,812 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:20,924 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-08-18 07:18:20,925 INFO L567 ElimStorePlain]: treesize reduction 14, result has 83.9 percent of original size [2019-08-18 07:18:20,926 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:20,926 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:81, output treesize:73 [2019-08-18 07:18:20,934 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:20,966 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_1, v_prenex_2], 2=[|v_#memory_$Pointer$.offset_10|, |v_#memory_$Pointer$.base_10|]} [2019-08-18 07:18:20,977 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:18:20,978 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:20,997 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 69 treesize of output 65 [2019-08-18 07:18:20,998 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:21,313 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-08-18 07:18:21,314 INFO L567 ElimStorePlain]: treesize reduction 112, result has 59.1 percent of original size [2019-08-18 07:18:21,326 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 61 treesize of output 57 [2019-08-18 07:18:21,327 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:21,449 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-08-18 07:18:21,450 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:21,468 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 99 [2019-08-18 07:18:21,469 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:21,590 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-08-18 07:18:21,590 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:21,604 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 95 [2019-08-18 07:18:21,605 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:21,828 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-08-18 07:18:21,828 INFO L567 ElimStorePlain]: treesize reduction 4, result has 97.3 percent of original size [2019-08-18 07:18:21,834 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:18:21,835 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:347, output treesize:163 [2019-08-18 07:18:21,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:21,856 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_9|], 3=[|v_#valid_18|, v_prenex_4], 6=[v_prenex_3]} [2019-08-18 07:18:21,865 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:21,870 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 83 [2019-08-18 07:18:21,871 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:22,170 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-08-18 07:18:22,170 INFO L567 ElimStorePlain]: treesize reduction 10, result has 95.2 percent of original size [2019-08-18 07:18:22,198 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:22,199 INFO L375 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 97 [2019-08-18 07:18:22,201 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:22,446 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-08-18 07:18:22,447 INFO L567 ElimStorePlain]: treesize reduction 14, result has 93.4 percent of original size [2019-08-18 07:18:22,457 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:22,459 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:22,461 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:22,467 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 129 [2019-08-18 07:18:22,469 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:22,601 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-18 07:18:22,601 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:22,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:22,664 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:22,665 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 123 treesize of output 186 [2019-08-18 07:18:22,667 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:22,972 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-08-18 07:18:22,973 INFO L567 ElimStorePlain]: treesize reduction 40, result has 83.5 percent of original size [2019-08-18 07:18:22,974 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:18:22,974 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:211, output treesize:203 [2019-08-18 07:18:22,988 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 07:18:22,989 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:22,997 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:23,000 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 07:18:23,001 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:23,008 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:23,009 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:23,009 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2019-08-18 07:18:23,012 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_10|], 1=[|v_#valid_19|]} [2019-08-18 07:18:23,017 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 6 treesize of output 5 [2019-08-18 07:18:23,017 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:23,032 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:23,039 INFO L375 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 07:18:23,040 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:23,056 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:23,057 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:23,058 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2019-08-18 07:18:23,072 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 07:18:23,072 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:23,080 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:23,083 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 07:18:23,083 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:23,090 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:23,091 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:23,091 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2019-08-18 07:18:23,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:23,100 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:23,101 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:23,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:23,107 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:23,114 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:18:23,114 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:18:23,117 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 152#(or (<= main_~len~1 2147483646) (<= 0 (+ main_~len~1 2147483647))) [2019-08-18 07:18:23,126 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:18:23,126 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:18:23,128 INFO L168 Benchmark]: Toolchain (without parser) took 4377.09 ms. Allocated memory was 138.4 MB in the beginning and 267.4 MB in the end (delta: 129.0 MB). Free memory was 84.1 MB in the beginning and 186.9 MB in the end (delta: -102.9 MB). Peak memory consumption was 134.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:23,129 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 07:18:23,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.31 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 84.1 MB in the beginning and 161.7 MB in the end (delta: -77.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:23,131 INFO L168 Benchmark]: Boogie Preprocessor took 69.46 ms. Allocated memory is still 199.2 MB. Free memory was 161.7 MB in the beginning and 159.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:23,131 INFO L168 Benchmark]: RCFGBuilder took 546.61 ms. Allocated memory is still 199.2 MB. Free memory was 159.0 MB in the beginning and 117.6 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:23,132 INFO L168 Benchmark]: Symbolic Interpretation took 3125.81 ms. Allocated memory was 199.2 MB in the beginning and 267.4 MB in the end (delta: 68.2 MB). Free memory was 117.6 MB in the beginning and 186.9 MB in the end (delta: -69.3 MB). Peak memory consumption was 107.0 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:23,136 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 602]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 152#(or (<= main_~len~1 2147483646) (<= 0 (+ main_~len~1 2147483647))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 631.31 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 84.1 MB in the beginning and 161.7 MB in the end (delta: -77.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.46 ms. Allocated memory is still 199.2 MB. Free memory was 161.7 MB in the beginning and 159.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 546.61 ms. Allocated memory is still 199.2 MB. Free memory was 159.0 MB in the beginning and 117.6 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3125.81 ms. Allocated memory was 199.2 MB in the beginning and 267.4 MB in the end (delta: 68.2 MB). Free memory was 117.6 MB in the beginning and 186.9 MB in the end (delta: -69.3 MB). Peak memory consumption was 107.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...