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-simple/dll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 13:25:35,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 13:25:35,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 13:25:35,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 13:25:35,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 13:25:35,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 13:25:35,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 13:25:35,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 13:25:35,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 13:25:35,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 13:25:35,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 13:25:35,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 13:25:35,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 13:25:35,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 13:25:35,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 13:25:35,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 13:25:35,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 13:25:35,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 13:25:35,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 13:25:35,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 13:25:35,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 13:25:35,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 13:25:35,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 13:25:35,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 13:25:35,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 13:25:35,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 13:25:35,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 13:25:35,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 13:25:35,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 13:25:35,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 13:25:35,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 13:25:35,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 13:25:35,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 13:25:35,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 13:25:35,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 13:25:35,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 13:25:35,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 13:25:35,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 13:25:35,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 13:25:35,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 13:25:35,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 13:25:35,587 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 13:25:35,601 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 13:25:35,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 13:25:35,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 13:25:35,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 13:25:35,603 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 13:25:35,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 13:25:35,603 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 13:25:35,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 13:25:35,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 13:25:35,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 13:25:35,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 13:25:35,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 13:25:35,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 13:25:35,605 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 13:25:35,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 13:25:35,605 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 13:25:35,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 13:25:35,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 13:25:35,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 13:25:35,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 13:25:35,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 13:25:35,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 13:25:35,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 13:25:35,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 13:25:35,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 13:25:35,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 13:25:35,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 13:25:35,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 13:25:35,608 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 13:25:35,881 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 13:25:35,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 13:25:35,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 13:25:35,898 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 13:25:35,899 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 13:25:35,899 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-10-07 13:25:35,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d01002297/58b08bc04ac943638b153997ace31a90/FLAG1d95dd694 [2019-10-07 13:25:36,543 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 13:25:36,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-10-07 13:25:36,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d01002297/58b08bc04ac943638b153997ace31a90/FLAG1d95dd694 [2019-10-07 13:25:36,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d01002297/58b08bc04ac943638b153997ace31a90 [2019-10-07 13:25:36,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 13:25:36,855 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 13:25:36,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 13:25:36,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 13:25:36,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 13:25:36,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:25:36" (1/1) ... [2019-10-07 13:25:36,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@727df4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:25:36, skipping insertion in model container [2019-10-07 13:25:36,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:25:36" (1/1) ... [2019-10-07 13:25:36,872 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 13:25:36,917 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 13:25:37,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:25:37,363 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 13:25:37,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:25:37,462 INFO L192 MainTranslator]: Completed translation [2019-10-07 13:25:37,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:25:37 WrapperNode [2019-10-07 13:25:37,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 13:25:37,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 13:25:37,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 13:25:37,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 13:25:37,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:25:37" (1/1) ... [2019-10-07 13:25:37,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:25:37" (1/1) ... [2019-10-07 13:25:37,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:25:37" (1/1) ... [2019-10-07 13:25:37,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:25:37" (1/1) ... [2019-10-07 13:25:37,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:25:37" (1/1) ... [2019-10-07 13:25:37,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:25:37" (1/1) ... [2019-10-07 13:25:37,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:25:37" (1/1) ... [2019-10-07 13:25:37,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 13:25:37,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 13:25:37,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 13:25:37,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 13:25:37,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:25:37" (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 13:25:37,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 13:25:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 13:25:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-07 13:25:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-07 13:25:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-07 13:25:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-10-07 13:25:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-10-07 13:25:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-10-07 13:25:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-10-07 13:25:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-10-07 13:25:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 13:25:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 13:25:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-07 13:25:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-07 13:25:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-07 13:25:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-07 13:25:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-07 13:25:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-07 13:25:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-07 13:25:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-07 13:25:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-07 13:25:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-07 13:25:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-07 13:25:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-07 13:25:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-07 13:25:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-07 13:25:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-07 13:25:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-07 13:25:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-07 13:25:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-07 13:25:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-07 13:25:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-07 13:25:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-07 13:25:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-07 13:25:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-07 13:25:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-07 13:25:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-07 13:25:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-07 13:25:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-07 13:25:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-07 13:25:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-07 13:25:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-07 13:25:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-07 13:25:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-07 13:25:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-07 13:25:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-07 13:25:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-07 13:25:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-07 13:25:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-07 13:25:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-07 13:25:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-07 13:25:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-07 13:25:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-07 13:25:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-07 13:25:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-07 13:25:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-07 13:25:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-07 13:25:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-07 13:25:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-07 13:25:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-07 13:25:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-07 13:25:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-07 13:25:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-07 13:25:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-07 13:25:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 13:25:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 13:25:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-07 13:25:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 13:25:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-07 13:25:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-07 13:25:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-07 13:25:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-07 13:25:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-07 13:25:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-07 13:25:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-07 13:25:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-07 13:25:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-07 13:25:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 13:25:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-07 13:25:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-07 13:25:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-07 13:25:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-07 13:25:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-07 13:25:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-07 13:25:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-07 13:25:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-07 13:25:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-07 13:25:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-07 13:25:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-07 13:25:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-07 13:25:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-07 13:25:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-07 13:25:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-07 13:25:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-07 13:25:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-07 13:25:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-07 13:25:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-07 13:25:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-07 13:25:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-07 13:25:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-07 13:25:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-07 13:25:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-07 13:25:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-07 13:25:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-07 13:25:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-07 13:25:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-07 13:25:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-07 13:25:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-07 13:25:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-07 13:25:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-07 13:25:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-07 13:25:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-07 13:25:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-07 13:25:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-07 13:25:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-07 13:25:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-07 13:25:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-07 13:25:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-07 13:25:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-10-07 13:25:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 13:25:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 13:25:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 13:25:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-10-07 13:25:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-10-07 13:25:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 13:25:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 13:25:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-10-07 13:25:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 13:25:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-10-07 13:25:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 13:25:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 13:25:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 13:25:38,015 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-07 13:25:38,377 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 13:25:38,378 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-07 13:25:38,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:25:38 BoogieIcfgContainer [2019-10-07 13:25:38,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 13:25:38,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 13:25:38,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 13:25:38,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 13:25:38,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 01:25:36" (1/3) ... [2019-10-07 13:25:38,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15801a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:25:38, skipping insertion in model container [2019-10-07 13:25:38,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:25:37" (2/3) ... [2019-10-07 13:25:38,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15801a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:25:38, skipping insertion in model container [2019-10-07 13:25:38,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:25:38" (3/3) ... [2019-10-07 13:25:38,388 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_update_all.i [2019-10-07 13:25:38,399 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 13:25:38,408 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 13:25:38,420 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 13:25:38,444 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 13:25:38,444 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 13:25:38,444 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 13:25:38,445 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 13:25:38,445 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 13:25:38,445 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 13:25:38,445 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 13:25:38,446 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 13:25:38,464 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2019-10-07 13:25:38,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-07 13:25:38,471 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:25:38,472 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:25:38,474 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:25:38,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:25:38,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1826980545, now seen corresponding path program 1 times [2019-10-07 13:25:38,490 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:25:38,490 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:25:38,491 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:25:38,491 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:25:38,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:25:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:25:38,750 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 13:25:38,750 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:25:38,751 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:25:38,751 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 13:25:38,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 13:25:38,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 13:25:38,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:25:38,772 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 5 states. [2019-10-07 13:25:38,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:25:38,878 INFO L93 Difference]: Finished difference Result 69 states and 83 transitions. [2019-10-07 13:25:38,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 13:25:38,880 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-10-07 13:25:38,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:25:38,889 INFO L225 Difference]: With dead ends: 69 [2019-10-07 13:25:38,889 INFO L226 Difference]: Without dead ends: 30 [2019-10-07 13:25:38,893 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 13:25:38,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-10-07 13:25:38,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2019-10-07 13:25:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-07 13:25:38,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2019-10-07 13:25:38,935 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 19 [2019-10-07 13:25:38,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:25:38,935 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2019-10-07 13:25:38,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 13:25:38,935 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2019-10-07 13:25:38,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-07 13:25:38,937 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:25:38,937 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:25:38,937 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:25:38,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:25:38,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1740061534, now seen corresponding path program 1 times [2019-10-07 13:25:38,938 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:25:38,938 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:25:38,938 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:25:38,938 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:25:38,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:25:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:25:39,069 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 13:25:39,070 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:25:39,070 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:25:39,070 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 13:25:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:25:39,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-07 13:25:39,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:25:39,238 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 13:25:39,239 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:25:39,347 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 13:25:39,348 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:25:39,374 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-07 13:25:39,374 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:25:39,381 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:25:39,392 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:25:39,393 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:25:39,613 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 13:25:39,727 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:40,197 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:40,491 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:41,161 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:41,174 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:41,186 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:41,196 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:42,015 INFO L199 IcfgInterpreter]: Interpreting procedure dll_get_data_at with input of size 1 for LOIs [2019-10-07 13:25:42,025 INFO L199 IcfgInterpreter]: Interpreting procedure dll_create with input of size 33 for LOIs [2019-10-07 13:25:45,008 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:45,066 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:45,101 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:46,222 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-07 13:25:46,225 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:25:46,226 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:25:46,226 INFO L193 IcfgInterpreter]: Reachable states at location L578-1 satisfy 363#(and (<= 0 dll_create_~len) (<= |dll_create_#t~malloc3.offset| 0) (<= dll_create_~new_head~0.offset 0) (<= 0 dll_create_~new_head~0.offset) (<= 0 |dll_create_#t~malloc3.offset|) (or (and (= (select |#length| |dll_create_#t~malloc3.base|) 12) (not (= 0 |dll_create_#t~malloc3.base|)) (< 0 dll_create_~len) (= dll_create_~new_head~0.base |dll_create_#t~malloc3.base|) (= |dll_create_#t~malloc3.offset| dll_create_~new_head~0.offset) (= |dll_create_#t~malloc3.offset| 0) (= 1 (select |#valid| |dll_create_#t~malloc3.base|)) (< |#StackHeapBarrier| |dll_create_#t~malloc3.base|) (not (= 0 dll_create_~new_head~0.offset))) (and (= (select |#length| |dll_create_#t~malloc3.base|) 12) (not (= 0 |dll_create_#t~malloc3.base|)) (< 0 dll_create_~len) (= dll_create_~new_head~0.base |dll_create_#t~malloc3.base|) (not (= dll_create_~new_head~0.base 0)) (= |dll_create_#t~malloc3.offset| dll_create_~new_head~0.offset) (= |dll_create_#t~malloc3.offset| 0) (= 1 (select |#valid| |dll_create_#t~malloc3.base|)) (< |#StackHeapBarrier| |dll_create_#t~malloc3.base|)))) [2019-10-07 13:25:46,226 INFO L193 IcfgInterpreter]: Reachable states at location L578 satisfy 358#(and (<= 0 dll_create_~len) (not (= 0 |dll_create_#t~malloc3.base|)) (< 0 dll_create_~len) (= dll_create_~new_head~0.base |dll_create_#t~malloc3.base|) (<= |dll_create_#t~malloc3.offset| 0) (= |dll_create_#t~malloc3.offset| dll_create_~new_head~0.offset) (= |dll_create_#t~malloc3.offset| 0) (= (select |#length| |dll_create_#t~malloc3.base|) 12) (= 1 (select |#valid| |dll_create_#t~malloc3.base|)) (<= dll_create_~new_head~0.offset 0) (< |#StackHeapBarrier| |dll_create_#t~malloc3.base|) (<= 0 dll_create_~new_head~0.offset) (<= 0 |dll_create_#t~malloc3.offset|)) [2019-10-07 13:25:46,226 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 367#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 13:25:46,227 INFO L193 IcfgInterpreter]: Reachable states at location L616 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (= |#valid| |old(#valid)|) (<= main_~data~0 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= main_~len~0 2) (<= 2 main_~len~0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:25:46,227 INFO L193 IcfgInterpreter]: Reachable states at location L618-2 satisfy 233#(and (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= main_~i~0 0) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (= main_~len~0 2) (<= 2 main_~len~0) (= main_~i~0 0)) [2019-10-07 13:25:46,227 INFO L193 IcfgInterpreter]: Reachable states at location dll_get_data_atENTRY satisfy 238#false [2019-10-07 13:25:46,227 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2#false [2019-10-07 13:25:46,227 INFO L193 IcfgInterpreter]: Reachable states at location L616-1 satisfy 95#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |main_#t~ret11.offset| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (<= 0 |main_#t~ret11.offset|) (= |#NULL.offset| 0) (= main_~len~0 2) (<= 2 main_~len~0)) [2019-10-07 13:25:46,228 INFO L193 IcfgInterpreter]: Reachable states at location L625 satisfy 2#false [2019-10-07 13:25:46,228 INFO L193 IcfgInterpreter]: Reachable states at location L576-2 satisfy 348#true [2019-10-07 13:25:46,228 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:25:46,228 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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$.offset)|)) [2019-10-07 13:25:46,228 INFO L193 IcfgInterpreter]: Reachable states at location L624 satisfy 218#false [2019-10-07 13:25:46,229 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 372#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:25:46,229 INFO L193 IcfgInterpreter]: Reachable states at location dll_get_data_atEXIT satisfy 248#false [2019-10-07 13:25:46,229 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:25:46,229 INFO L193 IcfgInterpreter]: Reachable states at location L624-1 satisfy 2#false [2019-10-07 13:25:46,229 INFO L193 IcfgInterpreter]: Reachable states at location dll_createEXIT satisfy 353#(and (= |dll_create_#res.base| dll_create_~head~0.base) (= |dll_create_#res.offset| dll_create_~head~0.offset) (not (< 0 dll_create_~len)) (<= dll_create_~len 0)) [2019-10-07 13:25:46,230 INFO L193 IcfgInterpreter]: Reachable states at location L624-2 satisfy 2#false [2019-10-07 13:25:46,230 INFO L193 IcfgInterpreter]: Reachable states at location dll_createENTRY satisfy 252#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |dll_create_#in~len| 2) (<= |dll_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 1 |dll_create_#in~data|) (= 2 |dll_create_#in~len|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| |old(#valid)|) (= |dll_create_#in~data| 1) (= |#memory_int| |old(#memory_int)|) (<= 2 |dll_create_#in~len|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:25:46,230 INFO L193 IcfgInterpreter]: Reachable states at location L600-2 satisfy 243#false [2019-10-07 13:25:46,230 INFO L193 IcfgInterpreter]: Reachable states at location L622-3 satisfy 228#false [2019-10-07 13:25:46,720 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-07 13:25:46,720 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6, 6, 6] total 18 [2019-10-07 13:25:46,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 13:25:46,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 13:25:46,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-10-07 13:25:46,724 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 12 states. [2019-10-07 13:25:47,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:25:47,350 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2019-10-07 13:25:47,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-07 13:25:47,351 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2019-10-07 13:25:47,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:25:47,353 INFO L225 Difference]: With dead ends: 40 [2019-10-07 13:25:47,354 INFO L226 Difference]: Without dead ends: 31 [2019-10-07 13:25:47,355 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650 [2019-10-07 13:25:47,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-07 13:25:47,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2019-10-07 13:25:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-10-07 13:25:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2019-10-07 13:25:47,366 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 22 [2019-10-07 13:25:47,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:25:47,366 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2019-10-07 13:25:47,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 13:25:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2019-10-07 13:25:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-07 13:25:47,368 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:25:47,368 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:25:47,572 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:25:47,573 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:25:47,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:25:47,573 INFO L82 PathProgramCache]: Analyzing trace with hash 696544704, now seen corresponding path program 1 times [2019-10-07 13:25:47,574 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:25:47,574 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:25:47,574 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:25:47,574 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:25:47,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:25:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:25:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:25:47,650 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:25:47,650 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:25:47,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 13:25:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:25:47,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-07 13:25:47,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:25:47,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:25:47,789 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:25:47,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:25:47,863 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:25:47,865 INFO L162 IcfgInterpreter]: Started Sifa with 27 locations of interest [2019-10-07 13:25:47,866 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:25:47,866 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:25:47,866 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:25:47,867 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:25:47,896 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 13:25:47,946 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:48,177 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:48,560 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:48,944 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:48,987 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:49,031 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:49,039 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:49,676 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:49,688 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:49,778 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:49,788 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:49,880 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:49,893 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:49,975 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:49,986 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:50,061 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:50,070 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:50,148 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:50,161 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:50,317 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:50,330 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:50,418 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:50,428 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:50,586 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:50,601 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:50,678 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:50,686 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:50,868 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:50,876 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:51,113 INFO L199 IcfgInterpreter]: Interpreting procedure dll_get_data_at with input of size 26 for LOIs [2019-10-07 13:25:51,135 INFO L199 IcfgInterpreter]: Interpreting procedure dll_create with input of size 33 for LOIs [2019-10-07 13:25:55,448 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:55,454 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:55,701 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:25:56,683 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-07 13:25:56,690 INFO L199 IcfgInterpreter]: Interpreting procedure dll_update_at with input of size 57 for LOIs [2019-10-07 13:25:56,728 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:25:56,728 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:25:56,731 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 13:25:56,732 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 13:25:56,732 INFO L193 IcfgInterpreter]: Reachable states at location L624 satisfy 935#false [2019-10-07 13:25:56,732 INFO L193 IcfgInterpreter]: Reachable states at location dll_get_data_atEXIT satisfy 988#(and (not (< 0 dll_get_data_at_~index)) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (= (select (select |#memory_int| |dll_get_data_at_#in~head.base|) |dll_get_data_at_#in~head.offset|) 2) (<= 0 |#NULL.offset|) (<= dll_get_data_at_~index 0) (<= |dll_get_data_at_#in~index| 0) (<= 0 dll_get_data_at_~head.offset) (<= |dll_get_data_at_#in~head.offset| 0) (= |dll_get_data_at_#in~index| dll_get_data_at_~index) (<= (select (select |#memory_int| |dll_get_data_at_#in~head.base|) |dll_get_data_at_#in~head.offset|) 1) (< 0 (select (select |#memory_int| |dll_get_data_at_#in~head.base|) |dll_get_data_at_#in~head.offset|)) (<= |#NULL.base| 0) (<= 0 dll_get_data_at_~index) (<= |#NULL.offset| 0) (= 0 |dll_get_data_at_#in~index|) (<= 0 |dll_get_data_at_#in~index|) (<= dll_get_data_at_~head.offset 0) (= |dll_get_data_at_#res| (select (select |#memory_int| dll_get_data_at_~head.base) dll_get_data_at_~head.offset)) (<= 0 |dll_get_data_at_#in~head.offset|) (= dll_get_data_at_~head.offset |dll_get_data_at_#in~head.offset|) (= |#NULL.offset| 0) (<= (select (select |#memory_int| |dll_get_data_at_#in~head.base|) |dll_get_data_at_#in~head.offset|) 2) (<= 2 (select (select |#memory_int| |dll_get_data_at_#in~head.base|) |dll_get_data_at_#in~head.offset|)) (= |dll_get_data_at_#in~head.base| dll_get_data_at_~head.base)) [2019-10-07 13:25:56,732 INFO L193 IcfgInterpreter]: Reachable states at location L624-1 satisfy 2#false [2019-10-07 13:25:56,732 INFO L193 IcfgInterpreter]: Reachable states at location dll_createEXIT satisfy 1074#(and (= |dll_create_#res.base| dll_create_~head~0.base) (= |dll_create_#res.offset| dll_create_~head~0.offset) (not (< 0 dll_create_~len)) (<= dll_create_~len 0)) [2019-10-07 13:25:56,733 INFO L193 IcfgInterpreter]: Reachable states at location L624-2 satisfy 2#false [2019-10-07 13:25:56,733 INFO L193 IcfgInterpreter]: Reachable states at location L620 satisfy 968#(and (= |#NULL.base| 0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (<= main_~data~0 1) (<= main_~i~0 1) (= |#NULL.offset| 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) [2019-10-07 13:25:56,733 INFO L193 IcfgInterpreter]: Reachable states at location dll_update_atENTRY satisfy 1100#(and (= |#NULL.base| 0) (or (and (<= |dll_update_at_#in~head.offset| 0) (<= 0 |dll_update_at_#in~index|) (<= |#NULL.base| 0) (<= 0 |dll_update_at_#in~head.offset|) (<= 0 |#NULL.base|) (<= 2 |dll_update_at_#in~data|) (<= |dll_update_at_#in~data| 2) (<= |dll_update_at_#in~index| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= |dll_update_at_#in~head.offset| 0) (<= |#NULL.base| 0) (<= |dll_update_at_#in~index| 1) (<= 3 |dll_update_at_#in~data|) (<= |dll_update_at_#in~data| 3) (<= 1 |dll_update_at_#in~index|) (<= 0 |dll_update_at_#in~head.offset|) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0))) (= |#NULL.offset| 0)) [2019-10-07 13:25:56,733 INFO L193 IcfgInterpreter]: Reachable states at location L620-1 satisfy 879#(and (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= main_~i~0 0) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (= (+ main_~i~0 main_~len~0) main_~new_data~0) (<= main_~data~0 1) (= (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) main_~new_data~0) (<= main_~new_data~0 2) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (= main_~i~0 0)) [2019-10-07 13:25:56,733 INFO L193 IcfgInterpreter]: Reachable states at location L622-3 satisfy 949#false [2019-10-07 13:25:56,734 INFO L193 IcfgInterpreter]: Reachable states at location L578-1 satisfy 1084#(and (<= 0 dll_create_~len) (<= |dll_create_#t~malloc3.offset| 0) (<= dll_create_~new_head~0.offset 0) (<= 0 dll_create_~new_head~0.offset) (<= 0 |dll_create_#t~malloc3.offset|) (or (and (= (select |#length| |dll_create_#t~malloc3.base|) 12) (not (= 0 |dll_create_#t~malloc3.base|)) (< 0 dll_create_~len) (= dll_create_~new_head~0.base |dll_create_#t~malloc3.base|) (= |dll_create_#t~malloc3.offset| dll_create_~new_head~0.offset) (= |dll_create_#t~malloc3.offset| 0) (= 1 (select |#valid| |dll_create_#t~malloc3.base|)) (< |#StackHeapBarrier| |dll_create_#t~malloc3.base|) (not (= 0 dll_create_~new_head~0.offset))) (and (= (select |#length| |dll_create_#t~malloc3.base|) 12) (not (= 0 |dll_create_#t~malloc3.base|)) (< 0 dll_create_~len) (= dll_create_~new_head~0.base |dll_create_#t~malloc3.base|) (not (= dll_create_~new_head~0.base 0)) (= |dll_create_#t~malloc3.offset| dll_create_~new_head~0.offset) (= |dll_create_#t~malloc3.offset| 0) (= 1 (select |#valid| |dll_create_#t~malloc3.base|)) (< |#StackHeapBarrier| |dll_create_#t~malloc3.base|)))) [2019-10-07 13:25:56,734 INFO L193 IcfgInterpreter]: Reachable states at location L578 satisfy 1079#(and (<= 0 dll_create_~len) (not (= 0 |dll_create_#t~malloc3.base|)) (< 0 dll_create_~len) (= dll_create_~new_head~0.base |dll_create_#t~malloc3.base|) (<= |dll_create_#t~malloc3.offset| 0) (= |dll_create_#t~malloc3.offset| dll_create_~new_head~0.offset) (= |dll_create_#t~malloc3.offset| 0) (= (select |#length| |dll_create_#t~malloc3.base|) 12) (= 1 (select |#valid| |dll_create_#t~malloc3.base|)) (<= dll_create_~new_head~0.offset 0) (< |#StackHeapBarrier| |dll_create_#t~malloc3.base|) (<= 0 dll_create_~new_head~0.offset) (<= 0 |dll_create_#t~malloc3.offset|)) [2019-10-07 13:25:56,735 INFO L193 IcfgInterpreter]: Reachable states at location dll_update_atEXIT satisfy 1116#(and (<= 0 |dll_update_at_#in~index|) (<= dll_update_at_~data 2) (<= |#NULL.base| 0) (or (and (= |#NULL.base| 0) (= |dll_update_at_#in~index| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |#NULL.offset| 0) (= |dll_update_at_#in~index| 0))) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= dll_update_at_~index 0) (<= dll_update_at_~head.offset 0) (<= |dll_update_at_#in~head.offset| 0) (<= 2 dll_update_at_~data) (<= 0 dll_update_at_~head.offset) (<= 0 |dll_update_at_#in~head.offset|) (<= 0 dll_update_at_~index) (<= 2 |dll_update_at_#in~data|) (<= |dll_update_at_#in~data| 2) (<= |dll_update_at_#in~index| 0)) [2019-10-07 13:25:56,735 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 1088#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 13:25:56,735 INFO L193 IcfgInterpreter]: Reachable states at location L616 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (= |#valid| |old(#valid)|) (<= main_~data~0 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= main_~len~0 2) (<= 2 main_~len~0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:25:56,735 INFO L193 IcfgInterpreter]: Reachable states at location L618-2 satisfy 973#(and (<= 0 main_~i~0) (<= main_~i~0 1) (or (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= main_~data~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (= main_~len~0 2) (<= 2 main_~len~0) (= main_~i~0 0)) (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (= |#NULL.offset| 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0)))) [2019-10-07 13:25:56,735 INFO L193 IcfgInterpreter]: Reachable states at location dll_get_data_atENTRY satisfy 978#(and (<= (select (select |#memory_int| |dll_get_data_at_#in~head.base|) |dll_get_data_at_#in~head.offset|) 1) (= 0 |#NULL.base|) (< 0 (select (select |#memory_int| |dll_get_data_at_#in~head.base|) |dll_get_data_at_#in~head.offset|)) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= (select (select |#memory_int| |dll_get_data_at_#in~head.base|) |dll_get_data_at_#in~head.offset|) 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 |dll_get_data_at_#in~index|) (<= 0 |dll_get_data_at_#in~index|) (<= |dll_get_data_at_#in~index| 0) (<= 0 |dll_get_data_at_#in~head.offset|) (= |#NULL.offset| 0) (<= (select (select |#memory_int| |dll_get_data_at_#in~head.base|) |dll_get_data_at_#in~head.offset|) 2) (<= 2 (select (select |#memory_int| |dll_get_data_at_#in~head.base|) |dll_get_data_at_#in~head.offset|)) (<= |dll_get_data_at_#in~head.offset| 0)) [2019-10-07 13:25:56,736 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2#false [2019-10-07 13:25:56,736 INFO L193 IcfgInterpreter]: Reachable states at location L616-1 satisfy 95#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |main_#t~ret11.offset| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= main_~data~0 1) (<= 0 |main_#t~ret11.offset|) (= |#NULL.offset| 0) (= main_~len~0 2) (<= 2 main_~len~0)) [2019-10-07 13:25:56,736 INFO L193 IcfgInterpreter]: Reachable states at location L625 satisfy 2#false [2019-10-07 13:25:56,736 INFO L193 IcfgInterpreter]: Reachable states at location L576-2 satisfy 1069#true [2019-10-07 13:25:56,736 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 1093#(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 13:25:56,737 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:25:56,737 INFO L193 IcfgInterpreter]: Reachable states at location dll_createENTRY satisfy 992#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |dll_create_#in~len| 2) (<= |dll_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 1 |dll_create_#in~data|) (= 2 |dll_create_#in~len|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (= |dll_create_#in~data| 1) (= |#memory_int| |old(#memory_int)|) (<= 2 |dll_create_#in~len|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:25:56,737 INFO L193 IcfgInterpreter]: Reachable states at location L607-2 satisfy 1108#(and (or (and (<= 0 |dll_update_at_#in~index|) (<= dll_update_at_~data 2) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= dll_update_at_~index 0) (<= dll_update_at_~head.offset 0) (<= |dll_update_at_#in~head.offset| 0) (<= 2 dll_update_at_~data) (<= 0 dll_update_at_~head.offset) (<= 0 |dll_update_at_#in~head.offset|) (<= 0 dll_update_at_~index) (<= 2 |dll_update_at_#in~data|) (<= |dll_update_at_#in~data| 2) (<= |dll_update_at_#in~index| 0)) (and (<= |#NULL.base| 0) (<= 3 |dll_update_at_#in~data|) (<= 0 |#NULL.base|) (<= 1 dll_update_at_~index) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= dll_update_at_~index 1) (<= dll_update_at_~head.offset 0) (<= |dll_update_at_#in~head.offset| 0) (<= dll_update_at_~data 3) (<= 3 dll_update_at_~data) (<= |dll_update_at_#in~index| 1) (<= 0 dll_update_at_~head.offset) (<= |dll_update_at_#in~data| 3) (<= 1 |dll_update_at_#in~index|) (<= 0 |dll_update_at_#in~head.offset|))) (or (and (= |#NULL.base| 0) (= |dll_update_at_#in~index| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |#NULL.offset| 0) (= |dll_update_at_#in~index| 0)))) [2019-10-07 13:25:56,737 INFO L193 IcfgInterpreter]: Reachable states at location L600-2 satisfy 983#(and (= |dll_get_data_at_#in~index| dll_get_data_at_~index) (<= (select (select |#memory_int| |dll_get_data_at_#in~head.base|) |dll_get_data_at_#in~head.offset|) 1) (= 0 |#NULL.base|) (< 0 (select (select |#memory_int| |dll_get_data_at_#in~head.base|) |dll_get_data_at_#in~head.offset|)) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 dll_get_data_at_~index) (= (select (select |#memory_int| |dll_get_data_at_#in~head.base|) |dll_get_data_at_#in~head.offset|) 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 |dll_get_data_at_#in~index|) (<= 0 |dll_get_data_at_#in~index|) (<= dll_get_data_at_~head.offset 0) (<= dll_get_data_at_~index 0) (<= |dll_get_data_at_#in~index| 0) (<= 0 |dll_get_data_at_#in~head.offset|) (<= 0 dll_get_data_at_~head.offset) (= dll_get_data_at_~head.offset |dll_get_data_at_#in~head.offset|) (= |#NULL.offset| 0) (<= (select (select |#memory_int| |dll_get_data_at_#in~head.base|) |dll_get_data_at_#in~head.offset|) 2) (<= 2 (select (select |#memory_int| |dll_get_data_at_#in~head.base|) |dll_get_data_at_#in~head.offset|)) (= |dll_get_data_at_#in~head.base| dll_get_data_at_~head.base) (<= |dll_get_data_at_#in~head.offset| 0)) [2019-10-07 13:25:57,598 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 26 [2019-10-07 13:25:57,824 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-10-07 13:25:58,022 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-07 13:25:58,023 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [6, 6, 6] total 23 [2019-10-07 13:25:58,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-07 13:25:58,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-07 13:25:58,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2019-10-07 13:25:58,025 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 17 states. [2019-10-07 13:25:58,711 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-10-07 13:25:58,946 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-10-07 13:25:59,188 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-10-07 13:25:59,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:25:59,419 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2019-10-07 13:25:59,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-07 13:25:59,420 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 28 [2019-10-07 13:25:59,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:25:59,421 INFO L225 Difference]: With dead ends: 47 [2019-10-07 13:25:59,422 INFO L226 Difference]: Without dead ends: 38 [2019-10-07 13:25:59,423 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 62 SyntacticMatches, 7 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=176, Invalid=1156, Unknown=0, NotChecked=0, Total=1332 [2019-10-07 13:25:59,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-10-07 13:25:59,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2019-10-07 13:25:59,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-10-07 13:25:59,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2019-10-07 13:25:59,431 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 28 [2019-10-07 13:25:59,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:25:59,432 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2019-10-07 13:25:59,432 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-07 13:25:59,432 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2019-10-07 13:25:59,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-07 13:25:59,433 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:25:59,433 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:25:59,639 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:25:59,640 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:25:59,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:25:59,640 INFO L82 PathProgramCache]: Analyzing trace with hash -275507159, now seen corresponding path program 1 times [2019-10-07 13:25:59,640 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:25:59,640 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:25:59,640 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:25:59,640 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:25:59,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:25:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:25:59,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:25:59,753 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:25:59,753 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:25:59,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 13:25:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:25:59,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-07 13:25:59,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:25:59,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 13:25:59,991 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:26:00,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 13:26:00,063 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:26:00,066 INFO L162 IcfgInterpreter]: Started Sifa with 27 locations of interest [2019-10-07 13:26:00,066 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:26:00,066 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:26:00,067 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:26:00,067 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:26:00,087 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 13:26:00,128 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:26:00,381 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:26:00,731 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:26:01,021 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:26:01,209 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:26:01,220 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:26:01,317 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:26:04,606 INFO L199 IcfgInterpreter]: Interpreting procedure dll_get_data_at with input of size 17 for LOIs [2019-10-07 13:26:04,616 INFO L199 IcfgInterpreter]: Interpreting procedure dll_create with input of size 33 for LOIs [2019-10-07 13:26:05,810 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:26:05,885 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:26:05,891 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:26:06,792 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-07 13:26:06,794 INFO L199 IcfgInterpreter]: Interpreting procedure dll_update_at with input of size 33 for LOIs [2019-10-07 13:26:06,891 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:26:06,891 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:26:06,891 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 13:26:06,891 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 13:26:06,891 INFO L193 IcfgInterpreter]: Reachable states at location L624 satisfy 1457#(and (= |#NULL.base| 0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 2 main_~expected~0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~i~0 0) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~expected~0 2) (<= main_~data~0 1) (= |#NULL.offset| 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (= main_~i~0 0)) [2019-10-07 13:26:06,891 INFO L193 IcfgInterpreter]: Reachable states at location dll_get_data_atEXIT satisfy 1514#(and (= |#NULL.base| 0) (= |dll_get_data_at_#in~index| dll_get_data_at_~index) (not (< 0 dll_get_data_at_~index)) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 dll_get_data_at_~index) (= 0 |dll_get_data_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |dll_get_data_at_#in~index|) (<= dll_get_data_at_~head.offset 0) (<= dll_get_data_at_~index 0) (= |dll_get_data_at_#res| (select (select |#memory_int| dll_get_data_at_~head.base) dll_get_data_at_~head.offset)) (< |dll_get_data_at_#in~index| 2) (<= |dll_get_data_at_#in~index| 0) (<= 0 |dll_get_data_at_#in~head.offset|) (<= 0 dll_get_data_at_~head.offset) (= dll_get_data_at_~head.offset |dll_get_data_at_#in~head.offset|) (= |#NULL.offset| 0) (= |dll_get_data_at_#in~head.base| dll_get_data_at_~head.base) (<= |dll_get_data_at_#in~head.offset| 0)) [2019-10-07 13:26:06,892 INFO L193 IcfgInterpreter]: Reachable states at location L624-1 satisfy 1414#(and (<= 0 main_~i~0) (<= 2 main_~expected~0) (or (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 2 main_~new_data~0) (<= main_~len~0 0) (= |main_#t~ret14| (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (< main_~i~0 main_~len~0) (= main_~len~0 2) (<= |#NULL.base| 0) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |#NULL.base| 0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (= main_~data~0 1) (= |main_#t~ret14| (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~len~0 2) (= main_~i~0 0))) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~i~0 0) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~expected~0 2) (<= main_~data~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) [2019-10-07 13:26:06,892 INFO L193 IcfgInterpreter]: Reachable states at location dll_createEXIT satisfy 1631#(and (= |dll_create_#res.base| dll_create_~head~0.base) (= |dll_create_#res.offset| dll_create_~head~0.offset) (not (< 0 dll_create_~len)) (<= dll_create_~len 0)) [2019-10-07 13:26:06,892 INFO L193 IcfgInterpreter]: Reachable states at location L624-2 satisfy 1284#(and (or (and (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= main_~len~0 0) (<= 2 main_~new_data~0) (= |main_#t~ret14| (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (< main_~i~0 main_~len~0) (= main_~len~0 2) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |#NULL.base| 0) (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= main_~data~0 1) (= |main_#t~ret14| (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~len~0 2) (= main_~i~0 0))) (<= |#NULL.base| 0) (<= 2 main_~expected~0) (<= 0 (+ |main_#t~ret14| 2147483648)) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= |main_#t~ret14| 2147483647) (<= main_~i~0 0) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~expected~0 2) (<= main_~data~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) [2019-10-07 13:26:06,892 INFO L193 IcfgInterpreter]: Reachable states at location L620 satisfy 1494#(and (= |#NULL.base| 0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= main_~i~0 2) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (<= main_~data~0 1) (= |#NULL.offset| 0) (<= main_~new_data~0 4) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) [2019-10-07 13:26:06,892 INFO L193 IcfgInterpreter]: Reachable states at location dll_update_atENTRY satisfy 1654#(and (= |#NULL.base| 0) (<= 0 |dll_update_at_#in~index|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= (+ |dll_update_at_#in~index| 2) |dll_update_at_#in~data|) (= (+ |dll_update_at_#in~index| 2) |dll_update_at_#in~data|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |dll_update_at_#in~head.offset| 0) (< (* 2 |dll_update_at_#in~index|) |dll_update_at_#in~data|) (<= |dll_update_at_#in~data| (+ |dll_update_at_#in~index| 2)) (<= 0 |dll_update_at_#in~head.offset|) (<= |dll_update_at_#in~index| 2) (= |#memory_int| |old(#memory_int)|) (<= 2 |dll_update_at_#in~data|) (<= |dll_update_at_#in~data| 4) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:26:06,892 INFO L193 IcfgInterpreter]: Reachable states at location L620-1 satisfy 1380#(and (= |#NULL.base| 0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (<= main_~data~0 1) (= |#NULL.offset| 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) [2019-10-07 13:26:06,892 INFO L193 IcfgInterpreter]: Reachable states at location L622-3 satisfy 1474#(and (= |#NULL.base| 0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~i~0 0) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (= |#NULL.offset| 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (= main_~i~0 0)) [2019-10-07 13:26:06,893 INFO L193 IcfgInterpreter]: Reachable states at location L578-1 satisfy 1641#(and (<= 0 dll_create_~len) (<= |dll_create_#t~malloc3.offset| 0) (<= dll_create_~new_head~0.offset 0) (<= 0 dll_create_~new_head~0.offset) (<= 0 |dll_create_#t~malloc3.offset|) (or (and (= (select |#length| |dll_create_#t~malloc3.base|) 12) (not (= 0 |dll_create_#t~malloc3.base|)) (< 0 dll_create_~len) (= dll_create_~new_head~0.base |dll_create_#t~malloc3.base|) (= |dll_create_#t~malloc3.offset| dll_create_~new_head~0.offset) (= |dll_create_#t~malloc3.offset| 0) (= 1 (select |#valid| |dll_create_#t~malloc3.base|)) (< |#StackHeapBarrier| |dll_create_#t~malloc3.base|) (not (= 0 dll_create_~new_head~0.offset))) (and (= (select |#length| |dll_create_#t~malloc3.base|) 12) (not (= 0 |dll_create_#t~malloc3.base|)) (< 0 dll_create_~len) (= dll_create_~new_head~0.base |dll_create_#t~malloc3.base|) (not (= dll_create_~new_head~0.base 0)) (= |dll_create_#t~malloc3.offset| dll_create_~new_head~0.offset) (= |dll_create_#t~malloc3.offset| 0) (= 1 (select |#valid| |dll_create_#t~malloc3.base|)) (< |#StackHeapBarrier| |dll_create_#t~malloc3.base|)))) [2019-10-07 13:26:06,893 INFO L193 IcfgInterpreter]: Reachable states at location L578 satisfy 1636#(and (<= 0 dll_create_~len) (not (= 0 |dll_create_#t~malloc3.base|)) (< 0 dll_create_~len) (= dll_create_~new_head~0.base |dll_create_#t~malloc3.base|) (<= |dll_create_#t~malloc3.offset| 0) (= |dll_create_#t~malloc3.offset| dll_create_~new_head~0.offset) (= |dll_create_#t~malloc3.offset| 0) (= (select |#length| |dll_create_#t~malloc3.base|) 12) (= 1 (select |#valid| |dll_create_#t~malloc3.base|)) (<= dll_create_~new_head~0.offset 0) (< |#StackHeapBarrier| |dll_create_#t~malloc3.base|) (<= 0 dll_create_~new_head~0.offset) (<= 0 |dll_create_#t~malloc3.offset|)) [2019-10-07 13:26:06,893 INFO L193 IcfgInterpreter]: Reachable states at location dll_update_atEXIT satisfy 1682#(and (or (and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| dll_update_at_~head.base (store (select |old(#memory_$Pointer$.base)| dll_update_at_~head.base) dll_update_at_~head.offset (select (select |#memory_$Pointer$.base| dll_update_at_~head.base) dll_update_at_~head.offset)))) (not (< 0 dll_update_at_~index)) (= |#memory_int| (store |old(#memory_int)| dll_update_at_~head.base (store (select |old(#memory_int)| dll_update_at_~head.base) dll_update_at_~head.offset dll_update_at_~data))) (<= (+ |dll_update_at_#in~index| 2) |dll_update_at_#in~data|) (<= |dll_update_at_#in~data| (+ |dll_update_at_#in~index| 2)) (<= |dll_update_at_#in~index| 2) (= |dll_update_at_#in~head.base| dll_update_at_~head.base) (= |#NULL.base| 0) (= dll_update_at_~data |dll_update_at_#in~data|) (= (+ |dll_update_at_#in~index| 2) |dll_update_at_#in~data|) (= dll_update_at_~head.offset |dll_update_at_#in~head.offset|) (< (* 2 |dll_update_at_#in~index|) |dll_update_at_#in~data|) (= (store |old(#memory_$Pointer$.offset)| dll_update_at_~head.base (store (select |old(#memory_$Pointer$.offset)| dll_update_at_~head.base) dll_update_at_~head.offset (select (select |#memory_$Pointer$.offset| dll_update_at_~head.base) dll_update_at_~head.offset))) |#memory_$Pointer$.offset|) (<= |dll_update_at_#in~data| 4) (= |#NULL.offset| 0) (<= dll_update_at_~index 2) (= dll_update_at_~index |dll_update_at_#in~index|) (<= dll_update_at_~data 4)) (and (<= 0 (+ dll_update_at_~index 1)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| dll_update_at_~head.base (store (select |old(#memory_$Pointer$.base)| dll_update_at_~head.base) dll_update_at_~head.offset (select (select |#memory_$Pointer$.base| dll_update_at_~head.base) dll_update_at_~head.offset)))) (not (< 0 dll_update_at_~index)) (= |#memory_int| (store |old(#memory_int)| dll_update_at_~head.base (store (select |old(#memory_int)| dll_update_at_~head.base) dll_update_at_~head.offset dll_update_at_~data))) (<= (+ |dll_update_at_#in~index| 2) |dll_update_at_#in~data|) (<= dll_update_at_~index 1) (<= |dll_update_at_#in~data| (+ |dll_update_at_#in~index| 2)) (= dll_update_at_~head.base (select (select |old(#memory_$Pointer$.base)| |dll_update_at_#in~head.base|) (+ |dll_update_at_#in~head.offset| 4))) (< 0 (+ dll_update_at_~index 1)) (<= |dll_update_at_#in~index| 2) (= (select (select |old(#memory_$Pointer$.offset)| |dll_update_at_#in~head.base|) (+ |dll_update_at_#in~head.offset| 4)) dll_update_at_~head.offset) (= |dll_update_at_#in~index| (+ dll_update_at_~index 1)) (= |#NULL.base| 0) (= dll_update_at_~data |dll_update_at_#in~data|) (= (+ |dll_update_at_#in~index| 2) |dll_update_at_#in~data|) (< (* 2 |dll_update_at_#in~index|) |dll_update_at_#in~data|) (= (store |old(#memory_$Pointer$.offset)| dll_update_at_~head.base (store (select |old(#memory_$Pointer$.offset)| dll_update_at_~head.base) dll_update_at_~head.offset (select (select |#memory_$Pointer$.offset| dll_update_at_~head.base) dll_update_at_~head.offset))) |#memory_$Pointer$.offset|) (<= |dll_update_at_#in~data| 4) (= |#NULL.offset| 0) (<= dll_update_at_~index 2) (<= dll_update_at_~data 4))) (or (and (<= 0 |dll_update_at_#in~index|) (<= |#NULL.base| 0) (<= 0 (+ dll_update_at_~index 1)) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= dll_update_at_~index 0) (<= |dll_update_at_#in~head.offset| 0) (<= dll_update_at_~data 3) (<= 2 dll_update_at_~data) (<= |dll_update_at_#in~index| 1) (<= |dll_update_at_#in~data| 3) (<= 0 |dll_update_at_#in~head.offset|) (<= 2 |dll_update_at_#in~data|)) (and (<= 0 |dll_update_at_#in~index|) (<= dll_update_at_~data 2) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= dll_update_at_~index 0) (<= dll_update_at_~head.offset 0) (<= |dll_update_at_#in~head.offset| 0) (<= 2 dll_update_at_~data) (<= 0 dll_update_at_~head.offset) (<= 0 |dll_update_at_#in~head.offset|) (<= 0 dll_update_at_~index) (<= 2 |dll_update_at_#in~data|) (<= |dll_update_at_#in~data| 2) (<= |dll_update_at_#in~index| 0)))) [2019-10-07 13:26:06,893 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 1645#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 13:26:06,894 INFO L193 IcfgInterpreter]: Reachable states at location L616 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (= |#valid| |old(#valid)|) (<= main_~data~0 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= main_~len~0 2) (<= 2 main_~len~0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:26:06,894 INFO L193 IcfgInterpreter]: Reachable states at location L618-2 satisfy 1499#(and (<= 0 main_~i~0) (or (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= main_~data~0 1) (= |#NULL.offset| 0) (= main_~len~0 2) (= main_~i~0 0)) (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~data~0 1) (= |#NULL.offset| 0) (= main_~len~0 2))) (<= main_~len~0 2) (<= main_~s~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 2 main_~len~0) (<= 1 main_~data~0)) [2019-10-07 13:26:06,894 INFO L193 IcfgInterpreter]: Reachable states at location dll_get_data_atENTRY satisfy 1504#(and (= |#NULL.base| 0) (< |dll_get_data_at_#in~index| 2) (<= |dll_get_data_at_#in~index| 0) (<= |#NULL.base| 0) (<= 0 |dll_get_data_at_#in~head.offset|) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= 0 |dll_get_data_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |dll_get_data_at_#in~index|) (<= |dll_get_data_at_#in~head.offset| 0)) [2019-10-07 13:26:06,894 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 784#(and (or (and (<= (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2147483647) (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 2 main_~expected~0) (< main_~i~0 main_~len~0) (= main_~len~0 2) (= |#NULL.base| 0) (<= |#NULL.base| 0) (= main_~data~0 1) (<= 0 (+ (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2147483648)) (not (= main_~expected~0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (<= (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2147483647) (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 2 main_~expected~0) (<= main_~len~0 0) (< main_~i~0 main_~len~0) (= main_~len~0 2) (<= |#NULL.base| 0) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2147483648)) (not (= main_~expected~0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (= |#NULL.offset| 0) (= main_~i~0 0))) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~i~0 0) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (<= main_~expected~0 2) (<= main_~data~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) [2019-10-07 13:26:06,894 INFO L193 IcfgInterpreter]: Reachable states at location L616-1 satisfy 94#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |main_#t~ret11.offset| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= main_~data~0 1) (<= 0 |main_#t~ret11.offset|) (= |#NULL.offset| 0) (= main_~len~0 2) (<= 2 main_~len~0)) [2019-10-07 13:26:06,894 INFO L193 IcfgInterpreter]: Reachable states at location L625 satisfy 1050#(and (or (and (<= (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2147483647) (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= main_~len~0 0) (<= 2 main_~new_data~0) (< main_~i~0 main_~len~0) (= main_~len~0 2) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2147483648)) (not (= main_~expected~0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |#NULL.base| 0) (<= (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2147483647) (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= main_~data~0 1) (<= 0 (+ (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2147483648)) (not (= main_~expected~0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~len~0 2) (= main_~i~0 0))) (<= |#NULL.base| 0) (<= 2 main_~expected~0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~i~0 0) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~expected~0 2) (<= main_~data~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) [2019-10-07 13:26:06,895 INFO L193 IcfgInterpreter]: Reachable states at location L576-2 satisfy 1626#true [2019-10-07 13:26:06,895 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 1650#(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 13:26:06,895 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:26:06,895 INFO L193 IcfgInterpreter]: Reachable states at location dll_createENTRY satisfy 1518#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |dll_create_#in~len| 2) (<= |dll_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 1 |dll_create_#in~data|) (= 2 |dll_create_#in~len|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (= |dll_create_#in~data| 1) (= |#memory_int| |old(#memory_int)|) (<= 2 |dll_create_#in~len|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:26:06,895 INFO L193 IcfgInterpreter]: Reachable states at location L607-2 satisfy 1677#(and (<= 0 (+ dll_update_at_~index 1)) (or (and (<= 0 |dll_update_at_#in~index|) (= (select (select |#memory_$Pointer$.base| |dll_update_at_#in~head.base|) (+ |dll_update_at_#in~head.offset| 4)) dll_update_at_~head.base) (<= (+ |dll_update_at_#in~index| 2) |dll_update_at_#in~data|) (<= dll_update_at_~index 1) (<= |dll_update_at_#in~data| (+ |dll_update_at_#in~index| 2)) (< 0 (+ dll_update_at_~index 1)) (= |dll_update_at_#in~index| (+ dll_update_at_~index 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#NULL.base| 0) (<= |#NULL.base| 0) (= dll_update_at_~data |dll_update_at_#in~data|) (= (+ |dll_update_at_#in~index| 2) |dll_update_at_#in~data|) (< (* 2 |dll_update_at_#in~index|) |dll_update_at_#in~data|) (= (select (select |#memory_$Pointer$.offset| |dll_update_at_#in~head.base|) (+ |dll_update_at_#in~head.offset| 4)) dll_update_at_~head.offset) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0)) (and (<= 0 |dll_update_at_#in~index|) (<= (+ |dll_update_at_#in~index| 2) |dll_update_at_#in~data|) (<= |dll_update_at_#in~data| (+ |dll_update_at_#in~index| 2)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |dll_update_at_#in~head.base| dll_update_at_~head.base) (= |#NULL.base| 0) (<= |#NULL.base| 0) (= dll_update_at_~data |dll_update_at_#in~data|) (= (+ |dll_update_at_#in~index| 2) |dll_update_at_#in~data|) (= dll_update_at_~head.offset |dll_update_at_#in~head.offset|) (< (* 2 |dll_update_at_#in~index|) |dll_update_at_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= dll_update_at_~index |dll_update_at_#in~index|))) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |dll_update_at_#in~head.offset| 0) (<= 2 dll_update_at_~data) (<= 0 |dll_update_at_#in~head.offset|) (<= |dll_update_at_#in~index| 2) (<= 2 |dll_update_at_#in~data|) (<= |dll_update_at_#in~data| 4) (<= dll_update_at_~index 2) (<= dll_update_at_~data 4)) [2019-10-07 13:26:06,895 INFO L193 IcfgInterpreter]: Reachable states at location L600-2 satisfy 1509#(and (= |#NULL.base| 0) (= |dll_get_data_at_#in~index| dll_get_data_at_~index) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 dll_get_data_at_~index) (= 0 |dll_get_data_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |dll_get_data_at_#in~index|) (<= dll_get_data_at_~head.offset 0) (<= dll_get_data_at_~index 0) (< |dll_get_data_at_#in~index| 2) (<= |dll_get_data_at_#in~index| 0) (<= 0 |dll_get_data_at_#in~head.offset|) (<= 0 dll_get_data_at_~head.offset) (= dll_get_data_at_~head.offset |dll_get_data_at_#in~head.offset|) (= |#NULL.offset| 0) (= |dll_get_data_at_#in~head.base| dll_get_data_at_~head.base) (<= |dll_get_data_at_#in~head.offset| 0)) [2019-10-07 13:26:07,036 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-10-07 13:26:07,953 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2019-10-07 13:26:08,312 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2019-10-07 13:26:09,189 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 13:26:09,190 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6, 24] total 34 [2019-10-07 13:26:09,191 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-10-07 13:26:09,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-10-07 13:26:09,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1062, Unknown=0, NotChecked=0, Total=1190 [2019-10-07 13:26:09,192 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand 35 states. [2019-10-07 13:26:10,454 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-10-07 13:26:10,678 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-10-07 13:26:10,840 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-10-07 13:26:11,051 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-10-07 13:26:12,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:26:12,062 INFO L93 Difference]: Finished difference Result 81 states and 98 transitions. [2019-10-07 13:26:12,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-07 13:26:12,067 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 29 [2019-10-07 13:26:12,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:26:12,071 INFO L225 Difference]: With dead ends: 81 [2019-10-07 13:26:12,071 INFO L226 Difference]: Without dead ends: 56 [2019-10-07 13:26:12,074 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 56 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=392, Invalid=3514, Unknown=0, NotChecked=0, Total=3906 [2019-10-07 13:26:12,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-10-07 13:26:12,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 46. [2019-10-07 13:26:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-10-07 13:26:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2019-10-07 13:26:12,086 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 29 [2019-10-07 13:26:12,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:26:12,086 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2019-10-07 13:26:12,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-10-07 13:26:12,086 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2019-10-07 13:26:12,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-07 13:26:12,088 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:26:12,089 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:26:12,293 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:26:12,293 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:26:12,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:26:12,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1341099098, now seen corresponding path program 2 times [2019-10-07 13:26:12,294 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:26:12,294 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:26:12,294 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:26:12,295 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:26:12,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:26:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:26:13,349 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:26:13,350 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:26:13,350 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:26:13,350 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 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 13:26:13,600 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-10-07 13:26:13,602 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 13:26:13,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 89 conjunts are in the unsatisfiable core [2019-10-07 13:26:13,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:26:15,122 WARN L860 $PredicateComparison]: unable to prove that (exists ((dll_update_at_~head.offset Int) (dll_update_at_~data Int)) (= |c_#memory_int| (let ((.cse0 (select (select |c_old(#memory_$Pointer$.base)| |c_dll_update_at_#in~head.base|) (+ |c_dll_update_at_#in~head.offset| 4)))) (store |c_old(#memory_int)| .cse0 (store (select |c_old(#memory_int)| .cse0) dll_update_at_~head.offset dll_update_at_~data))))) is different from true [2019-10-07 13:26:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2019-10-07 13:26:15,569 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:26:17,376 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 27 [2019-10-07 13:26:17,574 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-07 13:26:19,035 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-10-07 13:26:19,038 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-07 13:26:19,497 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-10-07 13:26:19,501 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-07 13:26:20,966 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-10-07 13:26:23,052 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-10-07 13:26:23,257 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:26:23,259 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) 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.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.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:336) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-07 13:26:23,265 INFO L168 Benchmark]: Toolchain (without parser) took 46409.64 ms. Allocated memory was 138.9 MB in the beginning and 634.9 MB in the end (delta: 496.0 MB). Free memory was 102.6 MB in the beginning and 83.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 515.5 MB. Max. memory is 7.1 GB. [2019-10-07 13:26:23,265 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 13:26:23,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.20 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.2 MB in the beginning and 167.8 MB in the end (delta: -65.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-10-07 13:26:23,271 INFO L168 Benchmark]: Boogie Preprocessor took 65.88 ms. Allocated memory is still 202.9 MB. Free memory was 167.8 MB in the beginning and 164.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-10-07 13:26:23,271 INFO L168 Benchmark]: RCFGBuilder took 849.66 ms. Allocated memory is still 202.9 MB. Free memory was 164.9 MB in the beginning and 104.8 MB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB. [2019-10-07 13:26:23,271 INFO L168 Benchmark]: TraceAbstraction took 44881.99 ms. Allocated memory was 202.9 MB in the beginning and 634.9 MB in the end (delta: 432.0 MB). Free memory was 104.8 MB in the beginning and 83.0 MB in the end (delta: 21.8 MB). Peak memory consumption was 453.8 MB. Max. memory is 7.1 GB. [2019-10-07 13:26:23,273 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 607.20 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.2 MB in the beginning and 167.8 MB in the end (delta: -65.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.88 ms. Allocated memory is still 202.9 MB. Free memory was 167.8 MB in the beginning and 164.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 849.66 ms. Allocated memory is still 202.9 MB. Free memory was 164.9 MB in the beginning and 104.8 MB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44881.99 ms. Allocated memory was 202.9 MB in the beginning and 634.9 MB in the end (delta: 432.0 MB). Free memory was 104.8 MB in the beginning and 83.0 MB in the end (delta: 21.8 MB). Peak memory consumption was 453.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...