java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-ext3-properties/sll_circular_traversal-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:55:41,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:55:41,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:55:41,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:55:41,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:55:41,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:55:41,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:55:41,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:55:41,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:55:41,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:55:41,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:55:41,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:55:41,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:55:41,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:55:41,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:55:41,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:55:41,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:55:41,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:55:41,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:55:41,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:55:41,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:55:41,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:55:41,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:55:41,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:55:41,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:55:41,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:55:41,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:55:41,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:55:41,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:55:41,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:55:41,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:55:41,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:55:41,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:55:41,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:55:41,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:55:41,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:55:41,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:55:41,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:55:41,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:55:41,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:55:41,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:55:41,442 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 [2019-10-13 22:55:41,460 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:55:41,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:55:41,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:55:41,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:55:41,462 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:55:41,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:55:41,463 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:55:41,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:55:41,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:55:41,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:55:41,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:55:41,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:55:41,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:55:41,464 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:55:41,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:55:41,464 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:55:41,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:55:41,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:55:41,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:55:41,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:55:41,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:55:41,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:55:41,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:55:41,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:55:41,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:55:41,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:55:41,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:55:41,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:55:41,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:55:41,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:55:41,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:55:41,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:55:41,760 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:55:41,761 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:55:41,761 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_circular_traversal-1.i [2019-10-13 22:55:41,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d5129215/5aca395670a341f8a176f4ffa964dd95/FLAG219892473 [2019-10-13 22:55:42,422 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:55:42,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_circular_traversal-1.i [2019-10-13 22:55:42,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d5129215/5aca395670a341f8a176f4ffa964dd95/FLAG219892473 [2019-10-13 22:55:42,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d5129215/5aca395670a341f8a176f4ffa964dd95 [2019-10-13 22:55:42,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:55:42,765 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:55:42,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:55:42,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:55:42,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:55:42,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:55:42" (1/1) ... [2019-10-13 22:55:42,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7babf457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:42, skipping insertion in model container [2019-10-13 22:55:42,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:55:42" (1/1) ... [2019-10-13 22:55:42,791 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:55:42,850 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:55:43,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:55:43,293 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:55:43,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:55:43,407 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:55:43,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:43 WrapperNode [2019-10-13 22:55:43,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:55:43,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:55:43,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:55:43,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:55:43,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:43" (1/1) ... [2019-10-13 22:55:43,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:43" (1/1) ... [2019-10-13 22:55:43,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:43" (1/1) ... [2019-10-13 22:55:43,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:43" (1/1) ... [2019-10-13 22:55:43,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:43" (1/1) ... [2019-10-13 22:55:43,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:43" (1/1) ... [2019-10-13 22:55:43,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:43" (1/1) ... [2019-10-13 22:55:43,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:55:43,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:55:43,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:55:43,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:55:43,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:43" (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 [2019-10-13 22:55:43,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:55:43,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:55:43,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-13 22:55:43,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-13 22:55:43,531 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-13 22:55:43,532 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-10-13 22:55:43,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:55:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:55:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-13 22:55:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-13 22:55:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-13 22:55:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-13 22:55:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-13 22:55:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-13 22:55:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-13 22:55:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-13 22:55:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-13 22:55:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-13 22:55:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-13 22:55:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-13 22:55:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-13 22:55:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-13 22:55:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-13 22:55:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-13 22:55:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-13 22:55:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-13 22:55:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-13 22:55:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-13 22:55:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-13 22:55:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-13 22:55:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-13 22:55:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-13 22:55:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-13 22:55:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-13 22:55:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-13 22:55:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-13 22:55:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-13 22:55:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-13 22:55:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-13 22:55:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-13 22:55:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-13 22:55:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-13 22:55:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-13 22:55:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-13 22:55:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-13 22:55:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-13 22:55:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-13 22:55:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-13 22:55:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-13 22:55:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-13 22:55:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-13 22:55:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-13 22:55:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-13 22:55:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-13 22:55:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-13 22:55:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-13 22:55:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-13 22:55:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-13 22:55:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-13 22:55:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-13 22:55:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:55:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:55:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-13 22:55:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:55:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-13 22:55:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-13 22:55:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-13 22:55:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-13 22:55:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-13 22:55:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-13 22:55:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-13 22:55:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-13 22:55:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-13 22:55:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 22:55:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-13 22:55:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-13 22:55:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-13 22:55:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-13 22:55:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-13 22:55:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-13 22:55:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-13 22:55:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-13 22:55:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-13 22:55:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-13 22:55:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-13 22:55:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-13 22:55:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-13 22:55:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-13 22:55:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-13 22:55:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-13 22:55:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-13 22:55:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-13 22:55:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-13 22:55:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-13 22:55:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-13 22:55:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-13 22:55:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-13 22:55:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-13 22:55:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-13 22:55:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-13 22:55:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-13 22:55:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-13 22:55:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-13 22:55:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-13 22:55:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-13 22:55:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-13 22:55:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-13 22:55:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-13 22:55:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-13 22:55:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-13 22:55:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-13 22:55:43,549 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-13 22:55:43,549 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-13 22:55:43,549 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-13 22:55:43,549 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-10-13 22:55:43,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:55:43,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:55:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:55:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:55:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:55:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:55:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:55:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:55:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:55:43,934 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-13 22:55:44,171 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:55:44,171 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-13 22:55:44,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:55:44 BoogieIcfgContainer [2019-10-13 22:55:44,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:55:44,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:55:44,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:55:44,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:55:44,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:55:42" (1/3) ... [2019-10-13 22:55:44,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46bf8823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:55:44, skipping insertion in model container [2019-10-13 22:55:44,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:43" (2/3) ... [2019-10-13 22:55:44,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46bf8823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:55:44, skipping insertion in model container [2019-10-13 22:55:44,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:55:44" (3/3) ... [2019-10-13 22:55:44,187 INFO L109 eAbstractionObserver]: Analyzing ICFG sll_circular_traversal-1.i [2019-10-13 22:55:44,197 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:55:44,209 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:55:44,221 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:55:44,255 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:55:44,256 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:55:44,256 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:55:44,262 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:55:44,262 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:55:44,262 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:55:44,262 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:55:44,262 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:55:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2019-10-13 22:55:44,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-13 22:55:44,285 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:55:44,286 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:55:44,288 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:55:44,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:55:44,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1849530489, now seen corresponding path program 1 times [2019-10-13 22:55:44,300 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:55:44,300 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323953815] [2019-10-13 22:55:44,301 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:44,301 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:44,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:55:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:55:44,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:55:44,533 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323953815] [2019-10-13 22:55:44,535 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:55:44,535 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:55:44,535 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870269617] [2019-10-13 22:55:44,540 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:55:44,540 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:55:44,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:55:44,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:55:44,556 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 5 states. [2019-10-13 22:55:44,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:55:44,640 INFO L93 Difference]: Finished difference Result 52 states and 67 transitions. [2019-10-13 22:55:44,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:55:44,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-10-13 22:55:44,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:55:44,650 INFO L225 Difference]: With dead ends: 52 [2019-10-13 22:55:44,650 INFO L226 Difference]: Without dead ends: 26 [2019-10-13 22:55:44,653 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 22:55:44,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-10-13 22:55:44,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2019-10-13 22:55:44,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-10-13 22:55:44,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2019-10-13 22:55:44,687 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 15 [2019-10-13 22:55:44,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:55:44,687 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-10-13 22:55:44,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:55:44,688 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2019-10-13 22:55:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-13 22:55:44,688 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:55:44,689 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:55:44,689 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:55:44,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:55:44,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1219023517, now seen corresponding path program 1 times [2019-10-13 22:55:44,690 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:55:44,690 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766627698] [2019-10-13 22:55:44,690 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:44,690 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:44,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:55:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:55:44,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:55:44,846 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766627698] [2019-10-13 22:55:44,847 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803822442] [2019-10-13 22:55:44,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:55:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:55:44,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-13 22:55:44,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:55:45,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:55:45,020 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:55:45,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:55:45,143 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [801646747] [2019-10-13 22:55:45,192 INFO L162 IcfgInterpreter]: Started Sifa with 18 locations of interest [2019-10-13 22:55:45,193 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:55:45,200 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:55:45,209 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:55:45,210 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 22:55:45,386 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-13 22:55:45,523 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,740 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:46,272 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:46,613 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:46,949 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:47,122 INFO L199 IcfgInterpreter]: Interpreting procedure sll_circular_create with input of size 33 for LOIs [2019-10-13 22:55:54,057 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-13 22:55:54,062 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 22:55:54,062 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 22:55:54,063 INFO L193 IcfgInterpreter]: Reachable states at location L587 satisfy 38#(and (<= 5 main_~len~0) (<= main_~len~0 5) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| |old(#valid)|) (<= 1 main_~data_init~0) (= main_~data_init~0 1) (<= main_~data_init~0 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:55:54,063 INFO L193 IcfgInterpreter]: Reachable states at location L590-3 satisfy 159#(or (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_2 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) main_~head~1.offset) (= main_~head~1.base main_~ptr~0.base) (= main_~data_new~0 1) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 0) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= |#NULL.offset| 0)) (and (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) main_~head~1.offset) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= main_~data_new~0 1) (<= main_~head~1.offset 0) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)))) (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_2 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 Int)) (or (and (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) main_~head~1.offset) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= main_~data_new~0 1) (<= main_~head~1.offset 0) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)) (and (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) main_~head~1.offset) (= main_~head~1.base main_~ptr~0.base) (= main_~data_new~0 1) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 0) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= |#NULL.offset| 0))))) [2019-10-13 22:55:54,063 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 226#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-13 22:55:54,064 INFO L193 IcfgInterpreter]: Reachable states at location L571-2 satisfy 207#true [2019-10-13 22:55:54,064 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 129#(exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_2 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) main_~head~1.offset) (= main_~head~1.base main_~ptr~0.base) (= main_~data_new~0 1) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 0) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= |#NULL.offset| 0)) (and (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) main_~head~1.offset) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= main_~data_new~0 1) (<= main_~head~1.offset 0) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)))) [2019-10-13 22:55:54,065 INFO L193 IcfgInterpreter]: Reachable states at location sll_circular_createEXIT satisfy 212#(and (= sll_circular_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_circular_create_~last~0.base) sll_circular_create_~last~0.offset)) (<= sll_circular_create_~len 1) (= sll_circular_create_~head~0.offset |sll_circular_create_#res.offset|) (= sll_circular_create_~head~0.offset (select (select |#memory_$Pointer$.offset| sll_circular_create_~last~0.base) sll_circular_create_~last~0.offset)) (not (< 1 sll_circular_create_~len)) (= sll_circular_create_~head~0.base |sll_circular_create_#res.base|)) [2019-10-13 22:55:54,066 INFO L193 IcfgInterpreter]: Reachable states at location L591 satisfy 154#(or (and (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_2 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) main_~head~1.offset) (= main_~head~1.base main_~ptr~0.base) (= main_~data_new~0 1) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 0) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= |#NULL.offset| 0)) (and (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) main_~head~1.offset) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= main_~data_new~0 1) (<= main_~head~1.offset 0) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)))) (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) |main_#t~mem6|)) (and (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_2 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 Int)) (or (and (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) main_~head~1.offset) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= main_~data_new~0 1) (<= main_~head~1.offset 0) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)) (and (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) main_~head~1.offset) (= main_~head~1.base main_~ptr~0.base) (= main_~data_new~0 1) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 0) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= |#NULL.offset| 0)))) (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) |main_#t~mem6|))) [2019-10-13 22:55:54,066 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:55:54,066 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:55:54,066 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 231#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:55:54,067 INFO L193 IcfgInterpreter]: Reachable states at location L573 satisfy 217#(and (= 1 (select |#valid| |sll_circular_create_#t~malloc3.base|)) (<= 0 sll_circular_create_~new_head~0.offset) (= |sll_circular_create_#t~malloc3.offset| 0) (<= sll_circular_create_~new_head~0.offset 0) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc3.base|) (not (= 0 |sll_circular_create_#t~malloc3.base|)) (<= 0 |sll_circular_create_#t~malloc3.offset|) (= |sll_circular_create_#t~malloc3.offset| sll_circular_create_~new_head~0.offset) (<= 1 sll_circular_create_~len) (= 8 (select |#length| |sll_circular_create_#t~malloc3.base|)) (< 1 sll_circular_create_~len) (<= |sll_circular_create_#t~malloc3.offset| 0) (= |sll_circular_create_#t~malloc3.base| sll_circular_create_~new_head~0.base)) [2019-10-13 22:55:54,067 INFO L193 IcfgInterpreter]: Reachable states at location L573-1 satisfy 222#(and (<= 1 sll_circular_create_~len) (<= 0 sll_circular_create_~new_head~0.offset) (<= sll_circular_create_~new_head~0.offset 0) (<= |sll_circular_create_#t~malloc3.offset| 0) (or (and (= 1 (select |#valid| |sll_circular_create_#t~malloc3.base|)) (= |sll_circular_create_#t~malloc3.offset| 0) (= 8 (select |#length| |sll_circular_create_#t~malloc3.base|)) (< 1 sll_circular_create_~len) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc3.base|) (not (= 0 |sll_circular_create_#t~malloc3.base|)) (not (= sll_circular_create_~new_head~0.offset 0)) (= |sll_circular_create_#t~malloc3.offset| sll_circular_create_~new_head~0.offset) (= |sll_circular_create_#t~malloc3.base| sll_circular_create_~new_head~0.base)) (and (= 1 (select |#valid| |sll_circular_create_#t~malloc3.base|)) (= |sll_circular_create_#t~malloc3.offset| 0) (= 8 (select |#length| |sll_circular_create_#t~malloc3.base|)) (< 1 sll_circular_create_~len) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc3.base|) (not (= 0 |sll_circular_create_#t~malloc3.base|)) (= |sll_circular_create_#t~malloc3.offset| sll_circular_create_~new_head~0.offset) (not (= 0 sll_circular_create_~new_head~0.base)) (= |sll_circular_create_#t~malloc3.base| sll_circular_create_~new_head~0.base))) (<= 0 |sll_circular_create_#t~malloc3.offset|)) [2019-10-13 22:55:54,067 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 22:55:54,069 INFO L193 IcfgInterpreter]: Reachable states at location L601 satisfy 144#(exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_2 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) main_~head~1.offset) (= main_~head~1.base main_~ptr~0.base) (= main_~data_new~0 1) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 0) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= |#NULL.offset| 0)) (and (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) main_~head~1.offset) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= main_~data_new~0 1) (<= main_~head~1.offset 0) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)))) [2019-10-13 22:55:54,070 INFO L193 IcfgInterpreter]: Reachable states at location L565 satisfy 169#(and (<= sll_circular_create_~data 1) (= 0 |#NULL.base|) (<= sll_circular_create_~len 5) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (<= |sll_circular_create_#in~data| 1) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (<= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 |sll_circular_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (<= 0 sll_circular_create_~last~0.offset) (<= 5 sll_circular_create_~len) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (<= 1 |sll_circular_create_#in~data|) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (<= 1 sll_circular_create_~data) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= |sll_circular_create_#in~len| 5) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= |sll_circular_create_#t~malloc2.offset| 0) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (<= sll_circular_create_~last~0.offset 0) (<= 5 |sll_circular_create_#in~len|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0)) [2019-10-13 22:55:54,070 INFO L193 IcfgInterpreter]: Reachable states at location L565-1 satisfy 174#(and (<= sll_circular_create_~data 1) (<= |sll_circular_create_#in~len| 5) (<= sll_circular_create_~len 5) (<= |sll_circular_create_#in~data| 1) (or (and (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 (select |old(#valid)| 0)) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= sll_circular_create_~last~0.offset 0)) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 (select |old(#valid)| 0)) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (not (= 0 sll_circular_create_~last~0.base)) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (<= 0 |sll_circular_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |sll_circular_create_#t~malloc2.offset| 0) (<= 0 sll_circular_create_~last~0.offset) (<= sll_circular_create_~last~0.offset 0) (<= 5 sll_circular_create_~len) (<= 5 |sll_circular_create_#in~len|) (<= 1 |sll_circular_create_#in~data|) (<= 1 sll_circular_create_~data)) [2019-10-13 22:55:54,071 INFO L193 IcfgInterpreter]: Reachable states at location L587-1 satisfy 93#(or (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_2 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 Int)) (and (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |main_#t~ret5.offset| 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) 0) (<= 0 |main_#t~ret5.offset|) (= main_~len~0 5) (= |main_#t~ret5.offset| (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (<= 0 |#NULL.base|) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= main_~data_init~0 1) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) |main_#t~ret5.base|))) (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int)) (and (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 0) (= main_~data_init~0 1) (= |main_#t~ret5.offset| (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) |main_#t~ret5.base|)))) [2019-10-13 22:55:54,071 INFO L193 IcfgInterpreter]: Reachable states at location sll_circular_createENTRY satisfy 164#(and (<= |sll_circular_create_#in~len| 5) (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (<= |sll_circular_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 5 |sll_circular_create_#in~len|) (= |#valid| |old(#valid)|) (<= 1 |sll_circular_create_#in~data|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:55:54,589 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-10-13 22:55:54,978 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 22:55:54,979 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 14] total 22 [2019-10-13 22:55:54,979 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360981164] [2019-10-13 22:55:54,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-13 22:55:54,981 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:55:54,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-13 22:55:54,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2019-10-13 22:55:54,983 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 22 states. [2019-10-13 22:55:56,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:55:56,122 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2019-10-13 22:55:56,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 22:55:56,123 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 18 [2019-10-13 22:55:56,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:55:56,125 INFO L225 Difference]: With dead ends: 44 [2019-10-13 22:55:56,126 INFO L226 Difference]: Without dead ends: 33 [2019-10-13 22:55:56,127 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 35 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=193, Invalid=1139, Unknown=0, NotChecked=0, Total=1332 [2019-10-13 22:55:56,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-13 22:55:56,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 27. [2019-10-13 22:55:56,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-13 22:55:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2019-10-13 22:55:56,134 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 18 [2019-10-13 22:55:56,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:55:56,135 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2019-10-13 22:55:56,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-10-13 22:55:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2019-10-13 22:55:56,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-13 22:55:56,136 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:55:56,136 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:55:56,340 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:55:56,340 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:55:56,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:55:56,341 INFO L82 PathProgramCache]: Analyzing trace with hash -322193927, now seen corresponding path program 2 times [2019-10-13 22:55:56,342 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:55:56,342 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077336747] [2019-10-13 22:55:56,342 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:56,343 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:56,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:55:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:55:56,469 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:55:56,469 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077336747] [2019-10-13 22:55:56,469 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280329597] [2019-10-13 22:55:56,470 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:55:56,592 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-10-13 22:55:56,593 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-13 22:55:56,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-13 22:55:56,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:55:56,601 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:55:56,601 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:55:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:55:56,712 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [684960332] [2019-10-13 22:55:56,713 INFO L162 IcfgInterpreter]: Started Sifa with 18 locations of interest [2019-10-13 22:55:56,713 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:55:56,714 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:55:56,714 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:55:56,714 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 22:55:56,739 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-13 22:55:56,781 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:56,894 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,426 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,612 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,838 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:58,005 INFO L199 IcfgInterpreter]: Interpreting procedure sll_circular_create with input of size 33 for LOIs [2019-10-13 22:56:03,328 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-13 22:56:03,332 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 22:56:03,333 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 22:56:03,333 INFO L193 IcfgInterpreter]: Reachable states at location L587 satisfy 38#(and (<= 5 main_~len~0) (<= main_~len~0 5) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (<= 1 main_~data_init~0) (= main_~data_init~0 1) (<= main_~data_init~0 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:56:03,333 INFO L193 IcfgInterpreter]: Reachable states at location L590-3 satisfy 158#(exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_4 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_3 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4 Int)) (or (and (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) main_~head~1.base) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) 0) (= main_~data_new~0 1) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) main_~head~1.offset) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) (= |#NULL.offset| 0) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3 0)) (and (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_4) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) main_~head~1.offset) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4 0) (<= main_~head~1.offset 0) (= main_~ptr~0.offset main_~head~1.offset) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_4) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) main_~head~1.base) (= main_~data_init~0 1) (= |#NULL.offset| 0)))) [2019-10-13 22:56:03,334 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 225#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-13 22:56:03,334 INFO L193 IcfgInterpreter]: Reachable states at location L571-2 satisfy 206#true [2019-10-13 22:56:03,334 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 128#(exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_4 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_3 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4 Int)) (or (and (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_4) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) main_~head~1.offset) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4 0) (<= main_~head~1.offset 0) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_4) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) main_~head~1.base) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)) (and (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) main_~head~1.base) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) 0) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3)) (= main_~data_new~0 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) main_~head~1.offset) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) (= |#NULL.offset| 0) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3 0)))) [2019-10-13 22:56:03,335 INFO L193 IcfgInterpreter]: Reachable states at location sll_circular_createEXIT satisfy 211#(and (= sll_circular_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_circular_create_~last~0.base) sll_circular_create_~last~0.offset)) (<= sll_circular_create_~len 1) (= sll_circular_create_~head~0.offset |sll_circular_create_#res.offset|) (= sll_circular_create_~head~0.offset (select (select |#memory_$Pointer$.offset| sll_circular_create_~last~0.base) sll_circular_create_~last~0.offset)) (not (< 1 sll_circular_create_~len)) (= sll_circular_create_~head~0.base |sll_circular_create_#res.base|)) [2019-10-13 22:56:03,335 INFO L193 IcfgInterpreter]: Reachable states at location L591 satisfy 153#(and (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_4 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_3 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4 Int)) (or (and (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) main_~head~1.base) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) 0) (= main_~data_new~0 1) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) main_~head~1.offset) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) (= |#NULL.offset| 0) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3 0)) (and (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_4) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) main_~head~1.offset) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4 0) (<= main_~head~1.offset 0) (= main_~ptr~0.offset main_~head~1.offset) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_4) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) main_~head~1.base) (= main_~data_init~0 1) (= |#NULL.offset| 0)))) (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) |main_#t~mem6|)) [2019-10-13 22:56:03,335 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:56:03,335 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:56:03,336 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 230#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:56:03,336 INFO L193 IcfgInterpreter]: Reachable states at location L573 satisfy 216#(and (= 1 (select |#valid| |sll_circular_create_#t~malloc3.base|)) (<= 0 sll_circular_create_~new_head~0.offset) (= |sll_circular_create_#t~malloc3.offset| 0) (<= sll_circular_create_~new_head~0.offset 0) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc3.base|) (not (= 0 |sll_circular_create_#t~malloc3.base|)) (<= 0 |sll_circular_create_#t~malloc3.offset|) (= |sll_circular_create_#t~malloc3.offset| sll_circular_create_~new_head~0.offset) (<= 1 sll_circular_create_~len) (= 8 (select |#length| |sll_circular_create_#t~malloc3.base|)) (< 1 sll_circular_create_~len) (<= |sll_circular_create_#t~malloc3.offset| 0) (= |sll_circular_create_#t~malloc3.base| sll_circular_create_~new_head~0.base)) [2019-10-13 22:56:03,336 INFO L193 IcfgInterpreter]: Reachable states at location L573-1 satisfy 221#(and (<= 1 sll_circular_create_~len) (<= 0 sll_circular_create_~new_head~0.offset) (<= sll_circular_create_~new_head~0.offset 0) (<= |sll_circular_create_#t~malloc3.offset| 0) (or (and (= 1 (select |#valid| |sll_circular_create_#t~malloc3.base|)) (= |sll_circular_create_#t~malloc3.offset| 0) (= 8 (select |#length| |sll_circular_create_#t~malloc3.base|)) (< 1 sll_circular_create_~len) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc3.base|) (not (= 0 |sll_circular_create_#t~malloc3.base|)) (not (= sll_circular_create_~new_head~0.offset 0)) (= |sll_circular_create_#t~malloc3.offset| sll_circular_create_~new_head~0.offset) (= |sll_circular_create_#t~malloc3.base| sll_circular_create_~new_head~0.base)) (and (= 1 (select |#valid| |sll_circular_create_#t~malloc3.base|)) (= |sll_circular_create_#t~malloc3.offset| 0) (= 8 (select |#length| |sll_circular_create_#t~malloc3.base|)) (< 1 sll_circular_create_~len) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc3.base|) (not (= 0 |sll_circular_create_#t~malloc3.base|)) (= |sll_circular_create_#t~malloc3.offset| sll_circular_create_~new_head~0.offset) (not (= 0 sll_circular_create_~new_head~0.base)) (= |sll_circular_create_#t~malloc3.base| sll_circular_create_~new_head~0.base))) (<= 0 |sll_circular_create_#t~malloc3.offset|)) [2019-10-13 22:56:03,336 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 22:56:03,337 INFO L193 IcfgInterpreter]: Reachable states at location L601 satisfy 143#(exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_4 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_3 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4 Int)) (or (and (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_4) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) main_~head~1.offset) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4 0) (<= main_~head~1.offset 0) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_4) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) main_~head~1.base) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)) (and (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) main_~head~1.base) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) 0) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3)) (= main_~data_new~0 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) main_~head~1.offset) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) (= |#NULL.offset| 0) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3 0)))) [2019-10-13 22:56:03,337 INFO L193 IcfgInterpreter]: Reachable states at location L565 satisfy 168#(and (<= sll_circular_create_~data 1) (= 0 |#NULL.base|) (<= sll_circular_create_~len 5) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (<= |sll_circular_create_#in~data| 1) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (<= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 |sll_circular_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (<= 0 sll_circular_create_~last~0.offset) (<= 5 sll_circular_create_~len) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (<= 1 |sll_circular_create_#in~data|) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (<= 1 sll_circular_create_~data) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= |sll_circular_create_#in~len| 5) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= |sll_circular_create_#t~malloc2.offset| 0) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (<= sll_circular_create_~last~0.offset 0) (<= 5 |sll_circular_create_#in~len|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0)) [2019-10-13 22:56:03,337 INFO L193 IcfgInterpreter]: Reachable states at location L565-1 satisfy 173#(and (<= sll_circular_create_~data 1) (<= |sll_circular_create_#in~len| 5) (<= sll_circular_create_~len 5) (<= |sll_circular_create_#in~data| 1) (<= 0 |sll_circular_create_#t~malloc2.offset|) (or (and (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 (select |old(#valid)| 0)) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (not (= 0 sll_circular_create_~last~0.base)) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 (select |old(#valid)| 0)) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= sll_circular_create_~last~0.offset 0)) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |sll_circular_create_#t~malloc2.offset| 0) (<= 0 sll_circular_create_~last~0.offset) (<= sll_circular_create_~last~0.offset 0) (<= 5 sll_circular_create_~len) (<= 5 |sll_circular_create_#in~len|) (<= 1 |sll_circular_create_#in~data|) (<= 1 sll_circular_create_~data)) [2019-10-13 22:56:03,338 INFO L193 IcfgInterpreter]: Reachable states at location L587-1 satisfy 92#(or (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_4 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4 Int)) (and (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_4) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) |main_#t~ret5.base|) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) (= 0 |#NULL.base|) (<= |main_#t~ret5.offset| 0) (<= |#NULL.base| 0) (<= 0 |main_#t~ret5.offset|) (= main_~len~0 5) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4 0) (= main_~data_init~0 1) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_4) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) |main_#t~ret5.offset|) (= |#NULL.offset| 0))) (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_3 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3 Int)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) 0) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) |main_#t~ret5.offset|) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) |main_#t~ret5.base|) (= main_~data_init~0 1) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) (= |#NULL.offset| 0) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3 0)))) [2019-10-13 22:56:03,338 INFO L193 IcfgInterpreter]: Reachable states at location sll_circular_createENTRY satisfy 163#(and (<= |sll_circular_create_#in~len| 5) (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (<= |sll_circular_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 5 |sll_circular_create_#in~len|) (= |#valid| |old(#valid)|) (<= 1 |sll_circular_create_#in~data|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:56:03,826 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-10-13 22:56:04,179 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 22:56:04,179 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 14] total 24 [2019-10-13 22:56:04,179 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423686580] [2019-10-13 22:56:04,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-13 22:56:04,181 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:56:04,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-13 22:56:04,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=462, Unknown=0, NotChecked=0, Total=552 [2019-10-13 22:56:04,182 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 24 states. [2019-10-13 22:56:05,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:56:05,444 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2019-10-13 22:56:05,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-13 22:56:05,444 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 21 [2019-10-13 22:56:05,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:56:05,446 INFO L225 Difference]: With dead ends: 47 [2019-10-13 22:56:05,446 INFO L226 Difference]: Without dead ends: 36 [2019-10-13 22:56:05,448 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 42 SyntacticMatches, 5 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=236, Invalid=1404, Unknown=0, NotChecked=0, Total=1640 [2019-10-13 22:56:05,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-10-13 22:56:05,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2019-10-13 22:56:05,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-13 22:56:05,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2019-10-13 22:56:05,455 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 21 [2019-10-13 22:56:05,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:56:05,455 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2019-10-13 22:56:05,456 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-13 22:56:05,456 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2019-10-13 22:56:05,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-13 22:56:05,456 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:56:05,457 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:56:05,660 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:56:05,661 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:56:05,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:56:05,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1530673891, now seen corresponding path program 3 times [2019-10-13 22:56:05,662 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:56:05,663 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293313507] [2019-10-13 22:56:05,663 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:56:05,663 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:56:05,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:56:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:56:05,767 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:56:05,767 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293313507] [2019-10-13 22:56:05,767 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893716643] [2019-10-13 22:56:05,768 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:56:05,879 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-13 22:56:05,880 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-13 22:56:05,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-13 22:56:05,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:56:05,889 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:56:05,889 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:56:05,981 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:56:05,981 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1081681849] [2019-10-13 22:56:05,983 INFO L162 IcfgInterpreter]: Started Sifa with 18 locations of interest [2019-10-13 22:56:05,984 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:56:05,984 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:56:05,984 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:56:05,984 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 22:56:06,006 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-13 22:56:06,063 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:06,157 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:06,503 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:06,749 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:06,962 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:07,067 INFO L199 IcfgInterpreter]: Interpreting procedure sll_circular_create with input of size 33 for LOIs [2019-10-13 22:56:12,540 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-13 22:56:12,543 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 22:56:12,543 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 22:56:12,544 INFO L193 IcfgInterpreter]: Reachable states at location L590-3 satisfy 159#(exists ((v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_6 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_5 Int)) (or (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_6) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6) main_~head~1.offset) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (<= main_~head~1.offset 0) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6) (= |#NULL.offset| 0) (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_6) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6))) (and (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5) main_~head~1.base) (= 0 |#NULL.base|) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5)) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5) 0) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5) (= main_~head~1.base main_~ptr~0.base) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (= main_~head~1.offset (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5)) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)))) [2019-10-13 22:56:12,544 INFO L193 IcfgInterpreter]: Reachable states at location L587 satisfy 38#(and (<= 5 main_~len~0) (<= main_~len~0 5) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (<= 1 main_~data_init~0) (= main_~data_init~0 1) (<= main_~data_init~0 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:56:12,544 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 226#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-13 22:56:12,544 INFO L193 IcfgInterpreter]: Reachable states at location L571-2 satisfy 207#true [2019-10-13 22:56:12,544 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 129#(exists ((v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_6 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_5 Int)) (or (and (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5) main_~head~1.base) (= 0 |#NULL.base|) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5)) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5) 0) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5) (= main_~head~1.base main_~ptr~0.base) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= main_~head~1.offset (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5)) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_6) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6) main_~head~1.offset) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (<= main_~head~1.offset 0) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6) (= |#NULL.offset| 0) (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_6) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6))))) [2019-10-13 22:56:12,545 INFO L193 IcfgInterpreter]: Reachable states at location sll_circular_createEXIT satisfy 212#(and (= sll_circular_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_circular_create_~last~0.base) sll_circular_create_~last~0.offset)) (<= sll_circular_create_~len 1) (= sll_circular_create_~head~0.offset |sll_circular_create_#res.offset|) (= sll_circular_create_~head~0.offset (select (select |#memory_$Pointer$.offset| sll_circular_create_~last~0.base) sll_circular_create_~last~0.offset)) (not (< 1 sll_circular_create_~len)) (= sll_circular_create_~head~0.base |sll_circular_create_#res.base|)) [2019-10-13 22:56:12,545 INFO L193 IcfgInterpreter]: Reachable states at location L591 satisfy 154#(and (exists ((v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_6 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_5 Int)) (or (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_6) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6) main_~head~1.offset) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (<= main_~head~1.offset 0) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6) (= |#NULL.offset| 0) (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_6) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6))) (and (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5) main_~head~1.base) (= 0 |#NULL.base|) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5)) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5) 0) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5) (= main_~head~1.base main_~ptr~0.base) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (= main_~head~1.offset (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5)) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)))) (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) |main_#t~mem6|)) [2019-10-13 22:56:12,545 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:56:12,545 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:56:12,546 INFO L193 IcfgInterpreter]: Reachable states at location L573 satisfy 217#(and (= 1 (select |#valid| |sll_circular_create_#t~malloc3.base|)) (<= 0 sll_circular_create_~new_head~0.offset) (= |sll_circular_create_#t~malloc3.offset| 0) (<= sll_circular_create_~new_head~0.offset 0) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc3.base|) (not (= 0 |sll_circular_create_#t~malloc3.base|)) (<= 0 |sll_circular_create_#t~malloc3.offset|) (= |sll_circular_create_#t~malloc3.offset| sll_circular_create_~new_head~0.offset) (<= 1 sll_circular_create_~len) (= 8 (select |#length| |sll_circular_create_#t~malloc3.base|)) (< 1 sll_circular_create_~len) (<= |sll_circular_create_#t~malloc3.offset| 0) (= |sll_circular_create_#t~malloc3.base| sll_circular_create_~new_head~0.base)) [2019-10-13 22:56:12,546 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 231#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:56:12,546 INFO L193 IcfgInterpreter]: Reachable states at location L573-1 satisfy 222#(and (<= 1 sll_circular_create_~len) (<= 0 sll_circular_create_~new_head~0.offset) (<= sll_circular_create_~new_head~0.offset 0) (<= |sll_circular_create_#t~malloc3.offset| 0) (or (and (= 1 (select |#valid| |sll_circular_create_#t~malloc3.base|)) (= |sll_circular_create_#t~malloc3.offset| 0) (= 8 (select |#length| |sll_circular_create_#t~malloc3.base|)) (< 1 sll_circular_create_~len) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc3.base|) (not (= 0 |sll_circular_create_#t~malloc3.base|)) (not (= sll_circular_create_~new_head~0.offset 0)) (= |sll_circular_create_#t~malloc3.offset| sll_circular_create_~new_head~0.offset) (= |sll_circular_create_#t~malloc3.base| sll_circular_create_~new_head~0.base)) (and (= 1 (select |#valid| |sll_circular_create_#t~malloc3.base|)) (= |sll_circular_create_#t~malloc3.offset| 0) (= 8 (select |#length| |sll_circular_create_#t~malloc3.base|)) (< 1 sll_circular_create_~len) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc3.base|) (not (= 0 |sll_circular_create_#t~malloc3.base|)) (= |sll_circular_create_#t~malloc3.offset| sll_circular_create_~new_head~0.offset) (not (= 0 sll_circular_create_~new_head~0.base)) (= |sll_circular_create_#t~malloc3.base| sll_circular_create_~new_head~0.base))) (<= 0 |sll_circular_create_#t~malloc3.offset|)) [2019-10-13 22:56:12,546 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 22:56:12,547 INFO L193 IcfgInterpreter]: Reachable states at location L601 satisfy 144#(exists ((v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_6 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_5 Int)) (or (and (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5) main_~head~1.base) (= 0 |#NULL.base|) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5)) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5) 0) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5) (= main_~head~1.base main_~ptr~0.base) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= main_~head~1.offset (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5)) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_6) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6) main_~head~1.offset) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (<= main_~head~1.offset 0) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6) (= |#NULL.offset| 0) (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_6) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6))))) [2019-10-13 22:56:12,547 INFO L193 IcfgInterpreter]: Reachable states at location L565 satisfy 169#(and (<= sll_circular_create_~data 1) (= 0 |#NULL.base|) (<= sll_circular_create_~len 5) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (<= |sll_circular_create_#in~data| 1) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (<= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 |sll_circular_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (<= 0 sll_circular_create_~last~0.offset) (<= 5 sll_circular_create_~len) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (<= 1 |sll_circular_create_#in~data|) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (<= 1 sll_circular_create_~data) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= |sll_circular_create_#in~len| 5) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= |sll_circular_create_#t~malloc2.offset| 0) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (<= sll_circular_create_~last~0.offset 0) (<= 5 |sll_circular_create_#in~len|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0)) [2019-10-13 22:56:12,547 INFO L193 IcfgInterpreter]: Reachable states at location L565-1 satisfy 174#(and (<= sll_circular_create_~data 1) (<= |sll_circular_create_#in~len| 5) (<= sll_circular_create_~len 5) (<= |sll_circular_create_#in~data| 1) (<= 0 |sll_circular_create_#t~malloc2.offset|) (or (and (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 (select |old(#valid)| 0)) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (not (= 0 sll_circular_create_~last~0.base)) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 (select |old(#valid)| 0)) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= sll_circular_create_~last~0.offset 0)) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |sll_circular_create_#t~malloc2.offset| 0) (<= 0 sll_circular_create_~last~0.offset) (<= sll_circular_create_~last~0.offset 0) (<= 5 sll_circular_create_~len) (<= 5 |sll_circular_create_#in~len|) (<= 1 |sll_circular_create_#in~data|) (<= 1 sll_circular_create_~data)) [2019-10-13 22:56:12,547 INFO L193 IcfgInterpreter]: Reachable states at location L587-1 satisfy 93#(or (exists ((v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_5 Int)) (and (= 0 |#NULL.base|) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5)) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5) 0) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5) |main_#t~ret5.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_init~0 1) (= |#NULL.offset| 0) (= |main_#t~ret5.offset| (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5)))) (exists ((v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_6 Int)) (and (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_6) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6) |main_#t~ret5.base|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |main_#t~ret5.offset| 0) (= main_~len~0 5) (<= 0 |main_#t~ret5.offset|) (<= 0 |#NULL.base|) (= |main_#t~ret5.offset| (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_6) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_init~0 1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6) (= |#NULL.offset| 0)))) [2019-10-13 22:56:12,548 INFO L193 IcfgInterpreter]: Reachable states at location sll_circular_createENTRY satisfy 164#(and (<= |sll_circular_create_#in~len| 5) (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (<= |sll_circular_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 5 |sll_circular_create_#in~len|) (= |#valid| |old(#valid)|) (<= 1 |sll_circular_create_#in~data|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:56:13,023 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-10-13 22:56:13,404 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 22:56:13,404 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 14] total 25 [2019-10-13 22:56:13,404 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769256736] [2019-10-13 22:56:13,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-13 22:56:13,405 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:56:13,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-13 22:56:13,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2019-10-13 22:56:13,406 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 25 states. [2019-10-13 22:56:14,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:56:14,731 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2019-10-13 22:56:14,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-13 22:56:14,732 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 24 [2019-10-13 22:56:14,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:56:14,734 INFO L225 Difference]: With dead ends: 50 [2019-10-13 22:56:14,734 INFO L226 Difference]: Without dead ends: 39 [2019-10-13 22:56:14,735 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 49 SyntacticMatches, 7 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=275, Invalid=1617, Unknown=0, NotChecked=0, Total=1892 [2019-10-13 22:56:14,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-13 22:56:14,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2019-10-13 22:56:14,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-13 22:56:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2019-10-13 22:56:14,743 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 24 [2019-10-13 22:56:14,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:56:14,743 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2019-10-13 22:56:14,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-13 22:56:14,744 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2019-10-13 22:56:14,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-13 22:56:14,744 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:56:14,745 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:56:14,948 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:56:14,949 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:56:14,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:56:14,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1353560953, now seen corresponding path program 4 times [2019-10-13 22:56:14,950 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:56:14,950 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663685493] [2019-10-13 22:56:14,951 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:56:14,951 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:56:14,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:56:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:56:15,398 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 22:56:15,398 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663685493] [2019-10-13 22:56:15,398 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123333438] [2019-10-13 22:56:15,398 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:56:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:56:15,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 35 conjunts are in the unsatisfiable core [2019-10-13 22:56:15,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:56:15,701 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 22:56:15,701 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:56:16,192 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 22:56:16,193 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [702395602] [2019-10-13 22:56:16,196 INFO L162 IcfgInterpreter]: Started Sifa with 18 locations of interest [2019-10-13 22:56:16,197 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:56:16,197 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:56:16,198 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:56:16,198 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 22:56:16,245 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-13 22:56:16,322 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:16,425 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:16,771 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-10-13 22:56:16,875 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:17,195 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:17,491 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:17,608 INFO L199 IcfgInterpreter]: Interpreting procedure sll_circular_create with input of size 33 for LOIs