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 0.1.24-36ac518-m [2019-10-07 13:12:58,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 13:12:58,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 13:12:58,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 13:12:58,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 13:12:58,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 13:12:58,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 13:12:58,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 13:12:58,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 13:12:58,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 13:12:58,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 13:12:58,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 13:12:58,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 13:12:58,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 13:12:58,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 13:12:58,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 13:12:58,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 13:12:58,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 13:12:58,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 13:12:58,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 13:12:58,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 13:12:58,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 13:12:58,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 13:12:58,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 13:12:58,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 13:12:58,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 13:12:58,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 13:12:58,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 13:12:58,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 13:12:58,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 13:12:58,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 13:12:58,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 13:12:58,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 13:12:58,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 13:12:58,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 13:12:58,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 13:12:58,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 13:12:58,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 13:12:58,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 13:12:58,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 13:12:58,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 13:12:58,447 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 [2019-10-07 13:12:58,474 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 13:12:58,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 13:12:58,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 13:12:58,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 13:12:58,477 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 13:12:58,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 13:12:58,478 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 13:12:58,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 13:12:58,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 13:12:58,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 13:12:58,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 13:12:58,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 13:12:58,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 13:12:58,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 13:12:58,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 13:12:58,480 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 13:12:58,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 13:12:58,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 13:12:58,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 13:12:58,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 13:12:58,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 13:12:58,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 13:12:58,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 13:12:58,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 13:12:58,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 13:12:58,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 13:12:58,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 13:12:58,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 13:12:58,485 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 [2019-10-07 13:12:58,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 13:12:58,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 13:12:58,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 13:12:58,803 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 13:12:58,803 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 13:12:58,804 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_circular_traversal-1.i [2019-10-07 13:12:58,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3fe8ac6/4afcc18f23aa424aaaa86397d8483207/FLAG237afa89a [2019-10-07 13:12:59,428 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 13:12:59,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_circular_traversal-1.i [2019-10-07 13:12:59,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3fe8ac6/4afcc18f23aa424aaaa86397d8483207/FLAG237afa89a [2019-10-07 13:12:59,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3fe8ac6/4afcc18f23aa424aaaa86397d8483207 [2019-10-07 13:12:59,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 13:12:59,745 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 13:12:59,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 13:12:59,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 13:12:59,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 13:12:59,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:12:59" (1/1) ... [2019-10-07 13:12:59,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77935be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:12:59, skipping insertion in model container [2019-10-07 13:12:59,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:12:59" (1/1) ... [2019-10-07 13:12:59,758 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 13:12:59,802 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 13:13:00,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:13:00,224 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 13:13:00,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:13:00,340 INFO L192 MainTranslator]: Completed translation [2019-10-07 13:13:00,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:13:00 WrapperNode [2019-10-07 13:13:00,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 13:13:00,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 13:13:00,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 13:13:00,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 13:13:00,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:13:00" (1/1) ... [2019-10-07 13:13:00,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:13:00" (1/1) ... [2019-10-07 13:13:00,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:13:00" (1/1) ... [2019-10-07 13:13:00,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:13:00" (1/1) ... [2019-10-07 13:13:00,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:13:00" (1/1) ... [2019-10-07 13:13:00,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:13:00" (1/1) ... [2019-10-07 13:13:00,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:13:00" (1/1) ... [2019-10-07 13:13:00,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 13:13:00,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 13:13:00,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 13:13:00,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 13:13:00,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:13:00" (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 [2019-10-07 13:13:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 13:13:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 13:13:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-07 13:13:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-07 13:13:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-07 13:13:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-10-07 13:13:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 13:13:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 13:13:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-07 13:13:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-07 13:13:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-07 13:13:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-07 13:13:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-07 13:13:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-07 13:13:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-07 13:13:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-07 13:13:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-07 13:13:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-07 13:13:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-07 13:13:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-07 13:13:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-07 13:13:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-07 13:13:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-07 13:13:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-07 13:13:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-07 13:13:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-07 13:13:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-07 13:13:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-07 13:13:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-07 13:13:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-07 13:13:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-07 13:13:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-07 13:13:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-07 13:13:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-07 13:13:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-07 13:13:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-07 13:13:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-07 13:13:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-07 13:13:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-07 13:13:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-07 13:13:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-07 13:13:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-07 13:13:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-07 13:13:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-07 13:13:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-07 13:13:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-07 13:13:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-07 13:13:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-07 13:13:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-07 13:13:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-07 13:13:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-07 13:13:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-07 13:13:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-07 13:13:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-07 13:13:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-07 13:13:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-07 13:13:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-07 13:13:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-07 13:13:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-07 13:13:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-07 13:13:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 13:13:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 13:13:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-07 13:13:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 13:13:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-07 13:13:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-07 13:13:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-07 13:13:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-07 13:13:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-07 13:13:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-07 13:13:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-07 13:13:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-07 13:13:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-07 13:13:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 13:13:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-07 13:13:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-07 13:13:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-07 13:13:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-07 13:13:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-07 13:13:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-07 13:13:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-07 13:13:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-07 13:13:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-07 13:13:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-07 13:13:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-07 13:13:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-07 13:13:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-07 13:13:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-07 13:13:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-07 13:13:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-07 13:13:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-07 13:13:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-07 13:13:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-07 13:13:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-07 13:13:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-07 13:13:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-07 13:13:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-07 13:13:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-07 13:13:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-07 13:13:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-07 13:13:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-07 13:13:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-07 13:13:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-07 13:13:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-07 13:13:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-07 13:13:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-07 13:13:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-07 13:13:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-07 13:13:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-07 13:13:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-07 13:13:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-07 13:13:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-07 13:13:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-07 13:13:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-07 13:13:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-10-07 13:13:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 13:13:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 13:13:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 13:13:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 13:13:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 13:13:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 13:13:00,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 13:13:00,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 13:13:00,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 13:13:00,886 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-07 13:13:01,080 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 13:13:01,081 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-07 13:13:01,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:13:01 BoogieIcfgContainer [2019-10-07 13:13:01,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 13:13:01,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 13:13:01,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 13:13:01,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 13:13:01,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 01:12:59" (1/3) ... [2019-10-07 13:13:01,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d14cece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:13:01, skipping insertion in model container [2019-10-07 13:13:01,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:13:00" (2/3) ... [2019-10-07 13:13:01,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d14cece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:13:01, skipping insertion in model container [2019-10-07 13:13:01,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:13:01" (3/3) ... [2019-10-07 13:13:01,090 INFO L109 eAbstractionObserver]: Analyzing ICFG sll_circular_traversal-1.i [2019-10-07 13:13:01,100 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 13:13:01,108 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 13:13:01,120 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 13:13:01,146 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 13:13:01,146 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 13:13:01,146 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 13:13:01,150 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 13:13:01,151 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 13:13:01,151 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 13:13:01,151 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 13:13:01,151 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 13:13:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2019-10-07 13:13:01,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-07 13:13:01,182 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:13:01,183 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:13:01,189 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:13:01,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:13:01,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1849530489, now seen corresponding path program 1 times [2019-10-07 13:13:01,204 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:13:01,204 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:13:01,204 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:13:01,204 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:13:01,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:13:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:13:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:13:01,442 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:13:01,443 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:13:01,444 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 13:13:01,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 13:13:01,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 13:13:01,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:13:01,466 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 5 states. [2019-10-07 13:13:01,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:13:01,549 INFO L93 Difference]: Finished difference Result 52 states and 67 transitions. [2019-10-07 13:13:01,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 13:13:01,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-10-07 13:13:01,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:13:01,560 INFO L225 Difference]: With dead ends: 52 [2019-10-07 13:13:01,561 INFO L226 Difference]: Without dead ends: 26 [2019-10-07 13:13:01,565 INFO L606 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 [2019-10-07 13:13:01,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-10-07 13:13:01,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2019-10-07 13:13:01,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-10-07 13:13:01,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2019-10-07 13:13:01,606 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 15 [2019-10-07 13:13:01,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:13:01,607 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-10-07 13:13:01,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 13:13:01,607 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2019-10-07 13:13:01,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-07 13:13:01,608 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:13:01,609 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:13:01,609 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:13:01,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:13:01,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1219023517, now seen corresponding path program 1 times [2019-10-07 13:13:01,610 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:13:01,610 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:13:01,610 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:13:01,610 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:13:01,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:13:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:13:01,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:13:01,822 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:13:01,823 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:13:01,823 INFO L95 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 [2019-10-07 13:13:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:13:01,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-07 13:13:01,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:13:02,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:13:02,012 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:13:02,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:13:02,128 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:13:02,155 INFO L162 IcfgInterpreter]: Started Sifa with 18 locations of interest [2019-10-07 13:13:02,155 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:13:02,162 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:13:02,171 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:13:02,172 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:13:02,374 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 13:13:02,471 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:02,660 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:03,170 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:03,536 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:03,928 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:04,135 INFO L199 IcfgInterpreter]: Interpreting procedure sll_circular_create with input of size 33 for LOIs [2019-10-07 13:13:11,377 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-07 13:13:11,381 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:13:11,382 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:13:11,382 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$.offset)|)) [2019-10-07 13:13:11,382 INFO L193 IcfgInterpreter]: Reachable states at location L590-3 satisfy 159#(or (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_2 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 Int)) (or (and (<= (select (select |#memory_$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$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= (select (select |#memory_$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$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) main_~head~1.offset) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= main_~data_new~0 1) (<= main_~head~1.offset 0) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)))) (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_2 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 Int)) (or (and (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= (select (select |#memory_$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$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) main_~head~1.offset) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= main_~data_new~0 1) (<= main_~head~1.offset 0) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)) (and (<= (select (select |#memory_$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$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= |#NULL.offset| 0))))) [2019-10-07 13:13:11,382 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 226#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 13:13:11,383 INFO L193 IcfgInterpreter]: Reachable states at location L571-2 satisfy 207#true [2019-10-07 13:13:11,383 INFO L193 IcfgInterpreter]: Reachable states at location sll_circular_createEXIT satisfy 212#(and (= sll_circular_create_~head~0.base (select (select |#memory_$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$.offset| sll_circular_create_~last~0.base) sll_circular_create_~last~0.offset)) (not (< 1 sll_circular_create_~len)) (= sll_circular_create_~head~0.base |sll_circular_create_#res.base|)) [2019-10-07 13:13:11,383 INFO L193 IcfgInterpreter]: Reachable states at location L591 satisfy 154#(or (and (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_2 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 Int)) (or (and (<= (select (select |#memory_$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$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= (select (select |#memory_$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$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) main_~head~1.offset) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= main_~data_new~0 1) (<= main_~head~1.offset 0) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)))) (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) |main_#t~mem6|)) (and (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) |main_#t~mem6|) (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_2 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 Int)) (or (and (= main_~head~1.base (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2)) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= (select (select |#memory_$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$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) main_~head~1.offset) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= main_~data_new~0 1) (<= main_~head~1.offset 0) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)) (and (<= (select (select |#memory_$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$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= |#NULL.offset| 0)))))) [2019-10-07 13:13:11,383 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:13:11,384 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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$.offset)|)) [2019-10-07 13:13:11,384 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 231#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:13:11,384 INFO L193 IcfgInterpreter]: Reachable states at location L573 satisfy 217#(and (= 1 (select |#valid| |sll_circular_create_#t~malloc3.base|)) (<= 0 sll_circular_create_~new_head~0.offset) (= |sll_circular_create_#t~malloc3.offset| 0) (<= sll_circular_create_~new_head~0.offset 0) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc3.base|) (not (= 0 |sll_circular_create_#t~malloc3.base|)) (<= 0 |sll_circular_create_#t~malloc3.offset|) (= |sll_circular_create_#t~malloc3.offset| sll_circular_create_~new_head~0.offset) (<= 1 sll_circular_create_~len) (= 8 (select |#length| |sll_circular_create_#t~malloc3.base|)) (< 1 sll_circular_create_~len) (<= |sll_circular_create_#t~malloc3.offset| 0) (= |sll_circular_create_#t~malloc3.base| sll_circular_create_~new_head~0.base)) [2019-10-07 13:13:11,384 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 129#(exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_2 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 Int)) (or (and (<= (select (select |#memory_$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)))) [2019-10-07 13:13:11,385 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|)) [2019-10-07 13:13:11,385 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:13:11,385 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$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_2) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) main_~head~1.offset) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= main_~data_new~0 1) (<= main_~head~1.offset 0) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)))) [2019-10-07 13:13:11,385 INFO L193 IcfgInterpreter]: Reachable states at location L565 satisfy 169#(and (<= sll_circular_create_~data 1) (= 0 |#NULL.base|) (<= sll_circular_create_~len 5) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (<= |sll_circular_create_#in~data| 1) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (<= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 |sll_circular_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (<= 0 sll_circular_create_~last~0.offset) (<= 5 sll_circular_create_~len) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (<= 1 |sll_circular_create_#in~data|) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (<= 1 sll_circular_create_~data) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= |sll_circular_create_#in~len| 5) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= |sll_circular_create_#t~malloc2.offset| 0) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (<= sll_circular_create_~last~0.offset 0) (<= 5 |sll_circular_create_#in~len|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0)) [2019-10-07 13:13:11,386 INFO L193 IcfgInterpreter]: Reachable states at location L565-1 satisfy 174#(and (<= sll_circular_create_~data 1) (<= |sll_circular_create_#in~len| 5) (<= sll_circular_create_~len 5) (<= |sll_circular_create_#in~data| 1) (or (and (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 (select |old(#valid)| 0)) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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$.offset)|))) (<= 0 |sll_circular_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |sll_circular_create_#t~malloc2.offset| 0) (<= 0 sll_circular_create_~last~0.offset) (<= sll_circular_create_~last~0.offset 0) (<= 5 sll_circular_create_~len) (<= 5 |sll_circular_create_#in~len|) (<= 1 |sll_circular_create_#in~data|) (<= 1 sll_circular_create_~data)) [2019-10-07 13:13:11,386 INFO L193 IcfgInterpreter]: Reachable states at location L587-1 satisfy 93#(or (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_2 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 Int)) (and (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_2) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |main_#t~ret5.offset| 0) (<= (select (select |#memory_$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$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) |main_#t~ret5.base|)))) [2019-10-07 13:13:11,386 INFO L193 IcfgInterpreter]: Reachable states at location sll_circular_createENTRY satisfy 164#(and (<= |sll_circular_create_#in~len| 5) (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (<= |sll_circular_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 5 |sll_circular_create_#in~len|) (= |#valid| |old(#valid)|) (<= 1 |sll_circular_create_#in~data|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:13:11,891 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-10-07 13:13:12,224 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 13:13:12,224 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 14] total 21 [2019-10-07 13:13:12,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-10-07 13:13:12,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-10-07 13:13:12,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2019-10-07 13:13:12,228 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 21 states. [2019-10-07 13:13:13,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:13:13,396 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2019-10-07 13:13:13,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-07 13:13:13,397 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 18 [2019-10-07 13:13:13,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:13:13,399 INFO L225 Difference]: With dead ends: 44 [2019-10-07 13:13:13,399 INFO L226 Difference]: Without dead ends: 33 [2019-10-07 13:13:13,401 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 35 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=189, Invalid=1143, Unknown=0, NotChecked=0, Total=1332 [2019-10-07 13:13:13,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-07 13:13:13,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 27. [2019-10-07 13:13:13,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-07 13:13:13,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2019-10-07 13:13:13,408 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 18 [2019-10-07 13:13:13,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:13:13,409 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2019-10-07 13:13:13,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-10-07 13:13:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2019-10-07 13:13:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-07 13:13:13,410 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:13:13,410 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:13:13,617 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:13:13,617 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:13:13,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:13:13,618 INFO L82 PathProgramCache]: Analyzing trace with hash -322193927, now seen corresponding path program 2 times [2019-10-07 13:13:13,619 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:13:13,619 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:13:13,619 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:13:13,620 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:13:13,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:13:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:13:13,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:13:13,717 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:13:13,717 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:13:13,717 INFO L93 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 [2019-10-07 13:13:13,847 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-10-07 13:13:13,847 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 13:13:13,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-07 13:13:13,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:13:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:13:13,856 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:13:13,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:13:13,949 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:13:13,950 INFO L162 IcfgInterpreter]: Started Sifa with 18 locations of interest [2019-10-07 13:13:13,950 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:13:13,951 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:13:13,951 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:13:13,952 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:13:13,984 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 13:13:14,089 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:14,201 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:14,640 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:14,816 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:15,015 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:15,163 INFO L199 IcfgInterpreter]: Interpreting procedure sll_circular_create with input of size 33 for LOIs [2019-10-07 13:13:21,090 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-07 13:13:21,093 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:13:21,094 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:13:21,094 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$.offset)|)) [2019-10-07 13:13:21,094 INFO L193 IcfgInterpreter]: Reachable states at location L590-3 satisfy 158#(exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_4 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_3 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4 Int)) (or (and (= (select (select |#memory_$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$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_4) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) main_~head~1.base) (= main_~data_init~0 1) (= |#NULL.offset| 0)))) [2019-10-07 13:13:21,094 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 225#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 13:13:21,095 INFO L193 IcfgInterpreter]: Reachable states at location L571-2 satisfy 206#true [2019-10-07 13:13:21,095 INFO L193 IcfgInterpreter]: Reachable states at location sll_circular_createEXIT satisfy 211#(and (= sll_circular_create_~head~0.base (select (select |#memory_$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$.offset| sll_circular_create_~last~0.base) sll_circular_create_~last~0.offset)) (not (< 1 sll_circular_create_~len)) (= sll_circular_create_~head~0.base |sll_circular_create_#res.base|)) [2019-10-07 13:13:21,095 INFO L193 IcfgInterpreter]: Reachable states at location L591 satisfy 153#(and (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_4 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_3 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4 Int)) (or (and (= (select (select |#memory_$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$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_4) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4) main_~head~1.base) (= main_~data_init~0 1) (= |#NULL.offset| 0)))) (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) |main_#t~mem6|)) [2019-10-07 13:13:21,095 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:13:21,095 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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$.offset)|)) [2019-10-07 13:13:21,096 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 230#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:13:21,096 INFO L193 IcfgInterpreter]: Reachable states at location L573 satisfy 216#(and (= 1 (select |#valid| |sll_circular_create_#t~malloc3.base|)) (<= 0 sll_circular_create_~new_head~0.offset) (= |sll_circular_create_#t~malloc3.offset| 0) (<= sll_circular_create_~new_head~0.offset 0) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc3.base|) (not (= 0 |sll_circular_create_#t~malloc3.base|)) (<= 0 |sll_circular_create_#t~malloc3.offset|) (= |sll_circular_create_#t~malloc3.offset| sll_circular_create_~new_head~0.offset) (<= 1 sll_circular_create_~len) (= 8 (select |#length| |sll_circular_create_#t~malloc3.base|)) (< 1 sll_circular_create_~len) (<= |sll_circular_create_#t~malloc3.offset| 0) (= |sll_circular_create_#t~malloc3.base| sll_circular_create_~new_head~0.base)) [2019-10-07 13:13:21,096 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 128#(exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_4 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_3 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4 Int)) (or (and (= (select (select |#memory_$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)))) [2019-10-07 13:13:21,096 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|)) [2019-10-07 13:13:21,097 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:13:21,097 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$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) main_~head~1.offset) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) (= |#NULL.offset| 0) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3 0)))) [2019-10-07 13:13:21,097 INFO L193 IcfgInterpreter]: Reachable states at location L565 satisfy 168#(and (<= sll_circular_create_~data 1) (= 0 |#NULL.base|) (<= sll_circular_create_~len 5) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (<= |sll_circular_create_#in~data| 1) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (<= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 |sll_circular_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (<= 0 sll_circular_create_~last~0.offset) (<= 5 sll_circular_create_~len) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (<= 1 |sll_circular_create_#in~data|) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (<= 1 sll_circular_create_~data) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= |sll_circular_create_#in~len| 5) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= |sll_circular_create_#t~malloc2.offset| 0) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (<= sll_circular_create_~last~0.offset 0) (<= 5 |sll_circular_create_#in~len|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0)) [2019-10-07 13:13:21,097 INFO L193 IcfgInterpreter]: Reachable states at location L565-1 satisfy 173#(and (<= sll_circular_create_~data 1) (<= |sll_circular_create_#in~len| 5) (<= sll_circular_create_~len 5) (<= |sll_circular_create_#in~data| 1) (<= 0 |sll_circular_create_#t~malloc2.offset|) (or (and (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 (select |old(#valid)| 0)) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (not (= 0 sll_circular_create_~last~0.base)) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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$.offset)|))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |sll_circular_create_#t~malloc2.offset| 0) (<= 0 sll_circular_create_~last~0.offset) (<= sll_circular_create_~last~0.offset 0) (<= 5 sll_circular_create_~len) (<= 5 |sll_circular_create_#in~len|) (<= 1 |sll_circular_create_#in~data|) (<= 1 sll_circular_create_~data)) [2019-10-07 13:13:21,098 INFO L193 IcfgInterpreter]: Reachable states at location L587-1 satisfy 92#(or (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_4 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_4 Int)) (and (= (select (select |#memory_$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$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_3) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) |main_#t~ret5.base|) (= main_~data_init~0 1) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3) (= |#NULL.offset| 0) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_3 0)))) [2019-10-07 13:13:21,098 INFO L193 IcfgInterpreter]: Reachable states at location sll_circular_createENTRY satisfy 163#(and (<= |sll_circular_create_#in~len| 5) (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (<= |sll_circular_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 5 |sll_circular_create_#in~len|) (= |#valid| |old(#valid)|) (<= 1 |sll_circular_create_#in~data|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:13:21,567 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-10-07 13:13:21,918 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 13:13:21,918 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 14] total 24 [2019-10-07 13:13:21,919 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-07 13:13:21,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-07 13:13:21,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=462, Unknown=0, NotChecked=0, Total=552 [2019-10-07 13:13:21,920 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 24 states. [2019-10-07 13:13:23,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:13:23,217 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2019-10-07 13:13:23,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-07 13:13:23,217 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 21 [2019-10-07 13:13:23,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:13:23,219 INFO L225 Difference]: With dead ends: 47 [2019-10-07 13:13:23,219 INFO L226 Difference]: Without dead ends: 36 [2019-10-07 13:13:23,221 INFO L606 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 [2019-10-07 13:13:23,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-10-07 13:13:23,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2019-10-07 13:13:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-07 13:13:23,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2019-10-07 13:13:23,228 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 21 [2019-10-07 13:13:23,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:13:23,228 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2019-10-07 13:13:23,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-07 13:13:23,228 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2019-10-07 13:13:23,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-07 13:13:23,229 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:13:23,229 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:13:23,435 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:13:23,436 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:13:23,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:13:23,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1530673891, now seen corresponding path program 3 times [2019-10-07 13:13:23,437 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:13:23,437 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:13:23,438 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:13:23,438 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:13:23,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:13:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:13:23,580 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:13:23,581 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:13:23,581 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:13:23,581 INFO L93 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 [2019-10-07 13:13:23,710 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-07 13:13:23,710 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 13:13:23,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-07 13:13:23,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:13:23,718 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:13:23,719 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:13:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:13:23,837 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:13:23,838 INFO L162 IcfgInterpreter]: Started Sifa with 18 locations of interest [2019-10-07 13:13:23,838 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:13:23,839 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:13:23,839 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:13:23,839 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:13:23,861 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 13:13:23,920 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:24,085 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:24,480 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:24,734 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:24,968 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:25,078 INFO L199 IcfgInterpreter]: Interpreting procedure sll_circular_create with input of size 33 for LOIs [2019-10-07 13:13:30,787 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-07 13:13:30,790 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:13:30,790 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:13:30,790 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$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5)) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)))) [2019-10-07 13:13:30,791 INFO L193 IcfgInterpreter]: Reachable states at location L587 satisfy 38#(and (<= 5 main_~len~0) (<= main_~len~0 5) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (<= 1 main_~data_init~0) (= main_~data_init~0 1) (<= main_~data_init~0 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:13:30,791 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 226#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 13:13:30,791 INFO L193 IcfgInterpreter]: Reachable states at location L571-2 satisfy 207#true [2019-10-07 13:13:30,791 INFO L193 IcfgInterpreter]: Reachable states at location sll_circular_createEXIT satisfy 212#(and (= sll_circular_create_~head~0.base (select (select |#memory_$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$.offset| sll_circular_create_~last~0.base) sll_circular_create_~last~0.offset)) (not (< 1 sll_circular_create_~len)) (= sll_circular_create_~head~0.base |sll_circular_create_#res.base|)) [2019-10-07 13:13:30,791 INFO L193 IcfgInterpreter]: Reachable states at location L591 satisfy 154#(and (exists ((v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_6 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_5 Int)) (or (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= (select (select |#memory_$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$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_5) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5)) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= |#NULL.offset| 0)))) (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) |main_#t~mem6|)) [2019-10-07 13:13:30,792 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:13:30,792 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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$.offset)|)) [2019-10-07 13:13:30,792 INFO L193 IcfgInterpreter]: Reachable states at location L573 satisfy 217#(and (= 1 (select |#valid| |sll_circular_create_#t~malloc3.base|)) (<= 0 sll_circular_create_~new_head~0.offset) (= |sll_circular_create_#t~malloc3.offset| 0) (<= sll_circular_create_~new_head~0.offset 0) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc3.base|) (not (= 0 |sll_circular_create_#t~malloc3.base|)) (<= 0 |sll_circular_create_#t~malloc3.offset|) (= |sll_circular_create_#t~malloc3.offset| sll_circular_create_~new_head~0.offset) (<= 1 sll_circular_create_~len) (= 8 (select |#length| |sll_circular_create_#t~malloc3.base|)) (< 1 sll_circular_create_~len) (<= |sll_circular_create_#t~malloc3.offset| 0) (= |sll_circular_create_#t~malloc3.base| sll_circular_create_~new_head~0.base)) [2019-10-07 13:13:30,792 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 129#(exists ((v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_6 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_5 Int)) (or (and (= (select (select |#memory_$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))))) [2019-10-07 13:13:30,793 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)) [2019-10-07 13:13:30,793 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|)) [2019-10-07 13:13:30,793 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:13:30,793 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$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_6) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6))))) [2019-10-07 13:13:30,793 INFO L193 IcfgInterpreter]: Reachable states at location L565 satisfy 169#(and (<= sll_circular_create_~data 1) (= 0 |#NULL.base|) (<= sll_circular_create_~len 5) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (<= |sll_circular_create_#in~data| 1) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (<= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 |sll_circular_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (<= 0 sll_circular_create_~last~0.offset) (<= 5 sll_circular_create_~len) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (<= 1 |sll_circular_create_#in~data|) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (<= 1 sll_circular_create_~data) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= |sll_circular_create_#in~len| 5) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= |sll_circular_create_#t~malloc2.offset| 0) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (<= sll_circular_create_~last~0.offset 0) (<= 5 |sll_circular_create_#in~len|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0)) [2019-10-07 13:13:30,794 INFO L193 IcfgInterpreter]: Reachable states at location L565-1 satisfy 174#(and (<= sll_circular_create_~data 1) (<= |sll_circular_create_#in~len| 5) (<= sll_circular_create_~len 5) (<= |sll_circular_create_#in~data| 1) (<= 0 |sll_circular_create_#t~malloc2.offset|) (or (and (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 (select |old(#valid)| 0)) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (not (= 0 sll_circular_create_~last~0.base)) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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$.offset)|))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |sll_circular_create_#t~malloc2.offset| 0) (<= 0 sll_circular_create_~last~0.offset) (<= sll_circular_create_~last~0.offset 0) (<= 5 sll_circular_create_~len) (<= 5 |sll_circular_create_#in~len|) (<= 1 |sll_circular_create_#in~data|) (<= 1 sll_circular_create_~data)) [2019-10-07 13:13:30,794 INFO L193 IcfgInterpreter]: Reachable states at location L587-1 satisfy 93#(or (exists ((v_sll_circular_create_~last~0.offset_BEFORE_RETURN_5 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_5 Int)) (and (= 0 |#NULL.base|) (<= 0 (select (select |#memory_$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$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_6) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_init~0 1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6 0) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_6) (= |#NULL.offset| 0)))) [2019-10-07 13:13:30,794 INFO L193 IcfgInterpreter]: Reachable states at location sll_circular_createENTRY satisfy 164#(and (<= |sll_circular_create_#in~len| 5) (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (<= |sll_circular_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 5 |sll_circular_create_#in~len|) (= |#valid| |old(#valid)|) (<= 1 |sll_circular_create_#in~data|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:13:31,292 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-10-07 13:13:31,710 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 13:13:31,711 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 14] total 25 [2019-10-07 13:13:31,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-07 13:13:31,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-07 13:13:31,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2019-10-07 13:13:31,713 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 25 states. [2019-10-07 13:13:32,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:13:32,999 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2019-10-07 13:13:33,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-07 13:13:33,000 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 24 [2019-10-07 13:13:33,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:13:33,002 INFO L225 Difference]: With dead ends: 50 [2019-10-07 13:13:33,002 INFO L226 Difference]: Without dead ends: 39 [2019-10-07 13:13:33,004 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 49 SyntacticMatches, 7 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=275, Invalid=1617, Unknown=0, NotChecked=0, Total=1892 [2019-10-07 13:13:33,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-07 13:13:33,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2019-10-07 13:13:33,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-07 13:13:33,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2019-10-07 13:13:33,011 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 24 [2019-10-07 13:13:33,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:13:33,012 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2019-10-07 13:13:33,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-07 13:13:33,012 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2019-10-07 13:13:33,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-07 13:13:33,013 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:13:33,013 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:13:33,216 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:13:33,217 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:13:33,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:13:33,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1353560953, now seen corresponding path program 4 times [2019-10-07 13:13:33,218 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:13:33,218 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:13:33,218 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:13:33,219 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:13:33,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:13:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:13:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 13:13:33,730 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:13:33,730 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:13:33,730 INFO L93 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 [2019-10-07 13:13:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:13:33,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 35 conjunts are in the unsatisfiable core [2019-10-07 13:13:33,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:13:34,095 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 13:13:34,095 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:13:34,565 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 13:13:34,566 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:13:34,569 INFO L162 IcfgInterpreter]: Started Sifa with 18 locations of interest [2019-10-07 13:13:34,569 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:13:34,570 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:13:34,570 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:13:34,571 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:13:34,599 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 13:13:34,669 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:34,801 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:35,272 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:35,628 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:36,058 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:13:36,210 INFO L199 IcfgInterpreter]: Interpreting procedure sll_circular_create with input of size 33 for LOIs [2019-10-07 13:13:43,388 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-07 13:13:43,391 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:13:43,391 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:13:43,391 INFO L193 IcfgInterpreter]: Reachable states at location L590-3 satisfy 158#(exists ((v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_8 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_7 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8 Int)) (or (and (= 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) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_7) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7) main_~head~1.base) (<= main_~head~1.offset 0) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_7) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7) main_~head~1.offset) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7) (= |#NULL.offset| 0)) (and (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) 0) (= main_~len~0 5) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) main_~head~1.base) (= main_~head~1.base main_~ptr~0.base) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) main_~head~1.offset) (= |#NULL.offset| 0) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8 0)))) [2019-10-07 13:13:43,391 INFO L193 IcfgInterpreter]: Reachable states at location L587 satisfy 38#(and (<= 5 main_~len~0) (<= main_~len~0 5) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (<= 1 main_~data_init~0) (= main_~data_init~0 1) (<= main_~data_init~0 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:13:43,392 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 225#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 13:13:43,392 INFO L193 IcfgInterpreter]: Reachable states at location L571-2 satisfy 206#true [2019-10-07 13:13:43,392 INFO L193 IcfgInterpreter]: Reachable states at location sll_circular_createEXIT satisfy 211#(and (= sll_circular_create_~head~0.base (select (select |#memory_$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$.offset| sll_circular_create_~last~0.base) sll_circular_create_~last~0.offset)) (not (< 1 sll_circular_create_~len)) (= sll_circular_create_~head~0.base |sll_circular_create_#res.base|)) [2019-10-07 13:13:43,392 INFO L193 IcfgInterpreter]: Reachable states at location L591 satisfy 153#(and (exists ((v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_8 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_7 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8 Int)) (or (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_7) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7) main_~head~1.base) (<= main_~head~1.offset 0) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_7) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7) main_~head~1.offset) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7) (= |#NULL.offset| 0)) (and (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) 0) (= main_~len~0 5) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) main_~head~1.base) (= main_~head~1.base main_~ptr~0.base) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) main_~head~1.offset) (= |#NULL.offset| 0) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8 0)))) (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) |main_#t~mem6|)) [2019-10-07 13:13:43,392 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:13:43,392 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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$.offset)|)) [2019-10-07 13:13:43,393 INFO L193 IcfgInterpreter]: Reachable states at location L573 satisfy 216#(and (= 1 (select |#valid| |sll_circular_create_#t~malloc3.base|)) (<= 0 sll_circular_create_~new_head~0.offset) (= |sll_circular_create_#t~malloc3.offset| 0) (<= sll_circular_create_~new_head~0.offset 0) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc3.base|) (not (= 0 |sll_circular_create_#t~malloc3.base|)) (<= 0 |sll_circular_create_#t~malloc3.offset|) (= |sll_circular_create_#t~malloc3.offset| sll_circular_create_~new_head~0.offset) (<= 1 sll_circular_create_~len) (= 8 (select |#length| |sll_circular_create_#t~malloc3.base|)) (< 1 sll_circular_create_~len) (<= |sll_circular_create_#t~malloc3.offset| 0) (= |sll_circular_create_#t~malloc3.base| sll_circular_create_~new_head~0.base)) [2019-10-07 13:13:43,393 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 128#(exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_8 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_7 Int)) (or (and (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) 0) (= main_~len~0 5) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) main_~head~1.base) (= main_~head~1.base main_~ptr~0.base) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) main_~head~1.offset) (= |#NULL.offset| 0) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8 0)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_7) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7) main_~head~1.base) (<= main_~head~1.offset 0) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_7) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7) 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_7) (= |#NULL.offset| 0)))) [2019-10-07 13:13:43,393 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)) [2019-10-07 13:13:43,393 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|)) [2019-10-07 13:13:43,393 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:13:43,394 INFO L193 IcfgInterpreter]: Reachable states at location L601 satisfy 143#(exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_8 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_7 Int)) (or (and (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) 0) (= main_~len~0 5) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) main_~head~1.base) (= main_~head~1.base main_~ptr~0.base) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) main_~head~1.offset) (= |#NULL.offset| 0) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8 0)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~len~0 5) (<= 0 |#NULL.base|) (= main_~head~1.base main_~ptr~0.base) (<= 0 main_~head~1.offset) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_new~0 1) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_7) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7) main_~head~1.base) (<= main_~head~1.offset 0) (not (= main_~data_init~0 (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_7) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7) main_~head~1.offset) (= main_~ptr~0.offset main_~head~1.offset) (= main_~data_init~0 1) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7) (= |#NULL.offset| 0)))) [2019-10-07 13:13:43,394 INFO L193 IcfgInterpreter]: Reachable states at location L565 satisfy 168#(and (<= sll_circular_create_~data 1) (= 0 |#NULL.base|) (<= sll_circular_create_~len 5) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (<= |sll_circular_create_#in~data| 1) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (<= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 |sll_circular_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (<= 0 sll_circular_create_~last~0.offset) (<= 5 sll_circular_create_~len) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (<= 1 |sll_circular_create_#in~data|) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (<= 1 sll_circular_create_~data) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= |sll_circular_create_#in~len| 5) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |sll_circular_create_#t~malloc2.offset| 0) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (<= sll_circular_create_~last~0.offset 0) (<= 5 |sll_circular_create_#in~len|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0)) [2019-10-07 13:13:43,394 INFO L193 IcfgInterpreter]: Reachable states at location L565-1 satisfy 173#(and (<= sll_circular_create_~data 1) (<= |sll_circular_create_#in~len| 5) (<= sll_circular_create_~len 5) (<= |sll_circular_create_#in~data| 1) (<= 0 |sll_circular_create_#t~malloc2.offset|) (or (and (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= 0 (select |old(#valid)| |sll_circular_create_#t~malloc2.base|)) (< |#StackHeapBarrier| |sll_circular_create_#t~malloc2.base|) (= |sll_circular_create_#t~malloc2.base| sll_circular_create_~last~0.base) (<= 0 |#NULL.base|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= (store |old(#length)| |sll_circular_create_#t~malloc2.base| 8) |#length|) (= 0 |sll_circular_create_#t~malloc2.offset|) (= 0 (select |old(#valid)| 0)) (not (= 0 |sll_circular_create_#t~malloc2.base|)) (= (store |old(#valid)| |sll_circular_create_#t~malloc2.base| 1) |#valid|) (not (= 0 sll_circular_create_~last~0.base)) (= sll_circular_create_~last~0.offset |sll_circular_create_#t~malloc2.offset|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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$.offset)|))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |sll_circular_create_#t~malloc2.offset| 0) (<= 0 sll_circular_create_~last~0.offset) (<= sll_circular_create_~last~0.offset 0) (<= 5 sll_circular_create_~len) (<= 5 |sll_circular_create_#in~len|) (<= 1 |sll_circular_create_#in~data|) (<= 1 sll_circular_create_~data)) [2019-10-07 13:13:43,394 INFO L193 IcfgInterpreter]: Reachable states at location L587-1 satisfy 92#(or (exists ((v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7 Int) (v_sll_circular_create_~last~0.base_BEFORE_RETURN_7 Int)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |main_#t~ret5.offset| 0) (= main_~len~0 5) (<= 0 |main_#t~ret5.offset|) (<= 0 |#NULL.base|) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_7) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7) |main_#t~ret5.base|) (= main_~data_init~0 1) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7) (= |main_#t~ret5.offset| (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_7) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_7)) (= |#NULL.offset| 0))) (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_8 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8 Int)) (and (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8)) (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) |main_#t~ret5.base|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) 0) (= main_~len~0 5) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_8) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8) |main_#t~ret5.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~data_init~0 1) (= |#NULL.offset| 0) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_8 0)))) [2019-10-07 13:13:43,394 INFO L193 IcfgInterpreter]: Reachable states at location sll_circular_createENTRY satisfy 163#(and (<= |sll_circular_create_#in~len| 5) (= 0 |#NULL.base|) (= |sll_circular_create_#in~len| 5) (<= |#NULL.base| 0) (<= |sll_circular_create_#in~data| 1) (<= 0 |#NULL.base|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 5 |sll_circular_create_#in~len|) (= |#valid| |old(#valid)|) (<= 1 |sll_circular_create_#in~data|) (= 1 |sll_circular_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:13:44,011 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-10-07 13:13:44,639 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 13:13:44,639 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10, 14] total 37 [2019-10-07 13:13:44,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-10-07 13:13:44,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-10-07 13:13:44,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1219, Unknown=0, NotChecked=0, Total=1332 [2019-10-07 13:13:44,642 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 37 states. [2019-10-07 13:13:45,219 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 48 [2019-10-07 13:13:45,586 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2019-10-07 13:13:46,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:13:46,125 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2019-10-07 13:13:46,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-07 13:13:46,127 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 27 [2019-10-07 13:13:46,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:13:46,128 INFO L225 Difference]: With dead ends: 37 [2019-10-07 13:13:46,128 INFO L226 Difference]: Without dead ends: 35 [2019-10-07 13:13:46,129 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 50 SyntacticMatches, 7 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=231, Invalid=2025, Unknown=0, NotChecked=0, Total=2256 [2019-10-07 13:13:46,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-07 13:13:46,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-10-07 13:13:46,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-10-07 13:13:46,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2019-10-07 13:13:46,137 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 27 [2019-10-07 13:13:46,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:13:46,137 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2019-10-07 13:13:46,137 INFO L463 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-10-07 13:13:46,137 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2019-10-07 13:13:46,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-07 13:13:46,138 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:13:46,138 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:13:46,342 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:13:46,343 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:13:46,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:13:46,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1512444240, now seen corresponding path program 1 times [2019-10-07 13:13:46,344 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:13:46,344 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:13:46,344 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:13:46,344 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:13:46,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:13:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:13:47,056 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2019-10-07 13:13:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:13:47,493 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:13:47,493 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:13:47,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:13:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:13:47,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 61 conjunts are in the unsatisfiable core [2019-10-07 13:13:47,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:13:48,594 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:13:48,596 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: This case should habe been handled by DER at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:192) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.(DerPreprocessor.java:95) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:291) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:256) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-07 13:13:48,602 INFO L168 Benchmark]: Toolchain (without parser) took 48857.42 ms. Allocated memory was 138.9 MB in the beginning and 466.6 MB in the end (delta: 327.7 MB). Free memory was 102.7 MB in the beginning and 125.0 MB in the end (delta: -22.3 MB). Peak memory consumption was 305.4 MB. Max. memory is 7.1 GB. [2019-10-07 13:13:48,602 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 13:13:48,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.32 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 168.5 MB in the end (delta: -66.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-10-07 13:13:48,603 INFO L168 Benchmark]: Boogie Preprocessor took 64.52 ms. Allocated memory is still 202.4 MB. Free memory was 168.5 MB in the beginning and 165.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-10-07 13:13:48,604 INFO L168 Benchmark]: RCFGBuilder took 675.75 ms. Allocated memory is still 202.4 MB. Free memory was 165.8 MB in the beginning and 119.0 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. [2019-10-07 13:13:48,604 INFO L168 Benchmark]: TraceAbstraction took 47517.47 ms. Allocated memory was 202.4 MB in the beginning and 466.6 MB in the end (delta: 264.2 MB). Free memory was 119.0 MB in the beginning and 125.0 MB in the end (delta: -6.0 MB). Peak memory consumption was 258.2 MB. Max. memory is 7.1 GB. [2019-10-07 13:13:48,606 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 595.32 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 168.5 MB in the end (delta: -66.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.52 ms. Allocated memory is still 202.4 MB. Free memory was 168.5 MB in the beginning and 165.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 675.75 ms. Allocated memory is still 202.4 MB. Free memory was 165.8 MB in the beginning and 119.0 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 47517.47 ms. Allocated memory was 202.4 MB in the beginning and 466.6 MB in the end (delta: 264.2 MB). Free memory was 119.0 MB in the beginning and 125.0 MB in the end (delta: -6.0 MB). Peak memory consumption was 258.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: This case should habe been handled by DER: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...