/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/stack_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-17 14:30:21,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-17 14:30:21,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-17 14:30:21,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-17 14:30:21,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-17 14:30:21,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-17 14:30:21,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-17 14:30:21,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-17 14:30:21,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-17 14:30:21,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-17 14:30:21,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-17 14:30:21,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-17 14:30:21,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-17 14:30:21,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-17 14:30:21,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-17 14:30:21,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-17 14:30:21,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-17 14:30:21,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-17 14:30:21,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-17 14:30:21,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-17 14:30:21,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-17 14:30:21,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-17 14:30:21,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-17 14:30:21,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-17 14:30:21,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-17 14:30:21,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-17 14:30:21,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-17 14:30:21,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-17 14:30:21,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-17 14:30:21,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-17 14:30:21,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-17 14:30:21,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-17 14:30:21,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-17 14:30:21,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-17 14:30:21,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-17 14:30:21,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-17 14:30:21,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-17 14:30:21,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-17 14:30:21,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-17 14:30:21,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-17 14:30:21,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-17 14:30:21,482 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 [2020-04-17 14:30:21,500 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-17 14:30:21,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-17 14:30:21,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-17 14:30:21,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-17 14:30:21,502 INFO L138 SettingsManager]: * Use SBE=true [2020-04-17 14:30:21,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-17 14:30:21,502 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-17 14:30:21,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-17 14:30:21,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-17 14:30:21,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-17 14:30:21,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-17 14:30:21,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-17 14:30:21,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-17 14:30:21,504 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-17 14:30:21,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-17 14:30:21,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-17 14:30:21,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-17 14:30:21,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-17 14:30:21,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-17 14:30:21,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-17 14:30:21,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-17 14:30:21,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-17 14:30:21,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-17 14:30:21,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-17 14:30:21,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-17 14:30:21,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-17 14:30:21,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-17 14:30:21,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-17 14:30:21,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-04-17 14:30:21,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-17 14:30:21,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-17 14:30:21,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-17 14:30:21,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-17 14:30:21,811 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-17 14:30:21,811 INFO L275 PluginConnector]: CDTParser initialized [2020-04-17 14:30:21,812 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-1.i [2020-04-17 14:30:21,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bd9cccc5/16d4e962dd4544998455ab9d4f3a046d/FLAG49e27e1ca [2020-04-17 14:30:22,483 INFO L306 CDTParser]: Found 1 translation units. [2020-04-17 14:30:22,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-1.i [2020-04-17 14:30:22,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bd9cccc5/16d4e962dd4544998455ab9d4f3a046d/FLAG49e27e1ca [2020-04-17 14:30:22,745 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bd9cccc5/16d4e962dd4544998455ab9d4f3a046d [2020-04-17 14:30:22,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-17 14:30:22,779 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-17 14:30:22,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-17 14:30:22,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-17 14:30:22,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-17 14:30:22,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 02:30:22" (1/1) ... [2020-04-17 14:30:22,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed09194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:22, skipping insertion in model container [2020-04-17 14:30:22,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 02:30:22" (1/1) ... [2020-04-17 14:30:22,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-17 14:30:22,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-17 14:30:23,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 14:30:23,431 INFO L203 MainTranslator]: Completed pre-run [2020-04-17 14:30:23,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 14:30:23,653 INFO L208 MainTranslator]: Completed translation [2020-04-17 14:30:23,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:23 WrapperNode [2020-04-17 14:30:23,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-17 14:30:23,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-17 14:30:23,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-17 14:30:23,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-17 14:30:23,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:23" (1/1) ... [2020-04-17 14:30:23,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:23" (1/1) ... [2020-04-17 14:30:23,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-17 14:30:23,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-17 14:30:23,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-17 14:30:23,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-17 14:30:23,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:23" (1/1) ... [2020-04-17 14:30:23,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:23" (1/1) ... [2020-04-17 14:30:23,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:23" (1/1) ... [2020-04-17 14:30:23,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:23" (1/1) ... [2020-04-17 14:30:23,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:23" (1/1) ... [2020-04-17 14:30:23,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:23" (1/1) ... [2020-04-17 14:30:23,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:23" (1/1) ... [2020-04-17 14:30:23,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-17 14:30:23,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-17 14:30:23,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-17 14:30:23,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-17 14:30:23,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:23" (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 [2020-04-17 14:30:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-04-17 14:30:23,852 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-04-17 14:30:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-04-17 14:30:23,852 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-04-17 14:30:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-17 14:30:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-17 14:30:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-17 14:30:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-17 14:30:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-17 14:30:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-17 14:30:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-17 14:30:23,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-17 14:30:23,856 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-17 14:30:24,470 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-17 14:30:24,471 INFO L295 CfgBuilder]: Removed 26 assume(true) statements. [2020-04-17 14:30:24,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 02:30:24 BoogieIcfgContainer [2020-04-17 14:30:24,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-17 14:30:24,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-17 14:30:24,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-17 14:30:24,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-17 14:30:24,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 02:30:22" (1/3) ... [2020-04-17 14:30:24,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c29b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 02:30:24, skipping insertion in model container [2020-04-17 14:30:24,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:23" (2/3) ... [2020-04-17 14:30:24,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c29b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 02:30:24, skipping insertion in model container [2020-04-17 14:30:24,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 02:30:24" (3/3) ... [2020-04-17 14:30:24,484 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2020-04-17 14:30:24,495 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-17 14:30:24,495 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-17 14:30:24,502 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-04-17 14:30:24,503 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-17 14:30:24,536 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,537 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,537 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,537 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,538 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,538 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,538 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,539 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,539 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,552 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,553 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,553 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,553 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,553 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,554 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,554 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,554 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,554 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,554 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,555 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,555 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,555 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,555 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,555 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,556 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,556 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,556 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,556 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,556 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,557 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,557 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,557 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,557 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,557 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,557 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,558 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,558 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,558 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,558 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,558 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,559 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,559 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,559 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,559 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,559 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,560 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,560 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,560 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,560 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,561 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,561 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,561 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,561 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,561 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,562 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,562 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,562 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,562 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,563 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,563 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,563 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,563 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,563 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,564 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,564 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,564 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,564 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,565 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,566 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,566 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,566 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,566 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,567 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,567 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,567 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,567 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,567 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,568 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,568 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,568 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,568 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,569 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,569 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,569 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,569 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,570 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,570 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,570 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,570 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,570 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,570 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,571 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,571 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,571 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,571 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,571 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,572 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,572 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,572 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,572 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,573 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,573 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,573 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,573 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,573 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,574 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,574 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,574 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,574 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,574 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,575 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,575 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,575 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,575 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,576 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,576 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,576 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,576 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,576 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,577 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,577 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,577 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,577 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,578 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,578 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,578 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,578 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,578 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,579 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,579 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,579 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,579 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,579 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,583 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,583 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,584 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,584 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,584 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,584 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,584 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,585 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,585 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,585 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,585 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,585 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,586 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,586 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,586 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,586 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,586 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,586 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,587 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,587 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,587 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,587 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,587 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,593 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,594 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,594 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,594 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,594 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,594 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,595 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,595 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,595 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,595 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,595 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,595 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,596 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,596 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,596 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,596 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,596 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,597 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,597 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:30:24,620 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-04-17 14:30:24,641 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 14:30:24,642 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 14:30:24,642 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 14:30:24,642 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 14:30:24,642 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 14:30:24,642 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 14:30:24,643 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 14:30:24,643 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 14:30:24,662 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 145 transitions, 312 flow [2020-04-17 14:30:24,664 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 145 transitions, 312 flow [2020-04-17 14:30:24,733 INFO L129 PetriNetUnfolder]: 11/145 cut-off events. [2020-04-17 14:30:24,733 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-17 14:30:24,743 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 145 events. 11/145 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 383 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-04-17 14:30:24,750 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 145 transitions, 312 flow [2020-04-17 14:30:24,794 INFO L129 PetriNetUnfolder]: 11/145 cut-off events. [2020-04-17 14:30:24,795 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-17 14:30:24,803 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 145 events. 11/145 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 383 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-04-17 14:30:24,808 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 6532 [2020-04-17 14:30:24,810 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-17 14:30:27,584 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-04-17 14:30:27,724 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-04-17 14:30:28,695 WARN L192 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2020-04-17 14:30:28,929 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-04-17 14:30:29,080 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7839 [2020-04-17 14:30:29,080 INFO L214 etLargeBlockEncoding]: Total number of compositions: 129 [2020-04-17 14:30:29,084 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 41 transitions, 104 flow [2020-04-17 14:30:29,122 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2020-04-17 14:30:29,125 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2020-04-17 14:30:29,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 14:30:29,133 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:30:29,134 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-17 14:30:29,135 INFO L427 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:30:29,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:30:29,141 INFO L82 PathProgramCache]: Analyzing trace with hash 533120081, now seen corresponding path program 1 times [2020-04-17 14:30:29,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:30:29,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985394296] [2020-04-17 14:30:29,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:30:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:30:29,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:30:29,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985394296] [2020-04-17 14:30:29,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:30:29,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 14:30:29,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393593690] [2020-04-17 14:30:29,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 14:30:29,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:30:29,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 14:30:29,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 14:30:29,423 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2020-04-17 14:30:29,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:30:29,553 INFO L93 Difference]: Finished difference Result 529 states and 1334 transitions. [2020-04-17 14:30:29,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 14:30:29,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-04-17 14:30:29,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:30:29,576 INFO L225 Difference]: With dead ends: 529 [2020-04-17 14:30:29,577 INFO L226 Difference]: Without dead ends: 507 [2020-04-17 14:30:29,578 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 14:30:29,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-04-17 14:30:29,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 467. [2020-04-17 14:30:29,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-04-17 14:30:29,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 1235 transitions. [2020-04-17 14:30:29,665 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 1235 transitions. Word has length 6 [2020-04-17 14:30:29,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:30:29,666 INFO L479 AbstractCegarLoop]: Abstraction has 467 states and 1235 transitions. [2020-04-17 14:30:29,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 14:30:29,666 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1235 transitions. [2020-04-17 14:30:29,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-17 14:30:29,667 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:30:29,667 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:30:29,668 INFO L427 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:30:29,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:30:29,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1246478015, now seen corresponding path program 1 times [2020-04-17 14:30:29,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:30:29,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103566345] [2020-04-17 14:30:29,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:30:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:30:29,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:30:29,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103566345] [2020-04-17 14:30:29,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:30:29,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 14:30:29,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374925608] [2020-04-17 14:30:29,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 14:30:29,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:30:29,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 14:30:29,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 14:30:29,773 INFO L87 Difference]: Start difference. First operand 467 states and 1235 transitions. Second operand 3 states. [2020-04-17 14:30:29,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:30:29,811 INFO L93 Difference]: Finished difference Result 574 states and 1482 transitions. [2020-04-17 14:30:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 14:30:29,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-17 14:30:29,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:30:29,818 INFO L225 Difference]: With dead ends: 574 [2020-04-17 14:30:29,818 INFO L226 Difference]: Without dead ends: 552 [2020-04-17 14:30:29,819 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 14:30:29,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-04-17 14:30:29,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 512. [2020-04-17 14:30:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2020-04-17 14:30:29,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 1362 transitions. [2020-04-17 14:30:29,866 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 1362 transitions. Word has length 8 [2020-04-17 14:30:29,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:30:29,873 INFO L479 AbstractCegarLoop]: Abstraction has 512 states and 1362 transitions. [2020-04-17 14:30:29,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 14:30:29,873 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1362 transitions. [2020-04-17 14:30:29,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-17 14:30:29,874 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:30:29,875 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:30:29,875 INFO L427 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:30:29,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:30:29,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1698025066, now seen corresponding path program 1 times [2020-04-17 14:30:29,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:30:29,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513761389] [2020-04-17 14:30:29,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:30:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:30:29,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:30:29,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513761389] [2020-04-17 14:30:29,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:30:29,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 14:30:29,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344617572] [2020-04-17 14:30:29,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 14:30:29,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:30:29,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 14:30:29,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 14:30:29,935 INFO L87 Difference]: Start difference. First operand 512 states and 1362 transitions. Second operand 3 states. [2020-04-17 14:30:29,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:30:29,965 INFO L93 Difference]: Finished difference Result 544 states and 1443 transitions. [2020-04-17 14:30:29,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 14:30:29,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-04-17 14:30:29,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:30:29,975 INFO L225 Difference]: With dead ends: 544 [2020-04-17 14:30:29,976 INFO L226 Difference]: Without dead ends: 544 [2020-04-17 14:30:29,976 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 14:30:29,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-04-17 14:30:30,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2020-04-17 14:30:30,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-04-17 14:30:30,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 1443 transitions. [2020-04-17 14:30:30,011 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 1443 transitions. Word has length 10 [2020-04-17 14:30:30,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:30:30,012 INFO L479 AbstractCegarLoop]: Abstraction has 544 states and 1443 transitions. [2020-04-17 14:30:30,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 14:30:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1443 transitions. [2020-04-17 14:30:30,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-17 14:30:30,021 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:30:30,021 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:30:30,021 INFO L427 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:30:30,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:30:30,022 INFO L82 PathProgramCache]: Analyzing trace with hash 542095752, now seen corresponding path program 1 times [2020-04-17 14:30:30,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:30:30,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638891402] [2020-04-17 14:30:30,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:30:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:30:30,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:30:30,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638891402] [2020-04-17 14:30:30,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981475973] [2020-04-17 14:30:30,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 14:30:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:30:30,280 INFO L264 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjunts are in the unsatisfiable core [2020-04-17 14:30:30,286 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 14:30:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:30:30,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 14:30:30,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-04-17 14:30:30,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061435360] [2020-04-17 14:30:30,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-17 14:30:30,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:30:30,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-17 14:30:30,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-04-17 14:30:30,321 INFO L87 Difference]: Start difference. First operand 544 states and 1443 transitions. Second operand 7 states. [2020-04-17 14:30:30,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:30:30,406 INFO L93 Difference]: Finished difference Result 821 states and 2103 transitions. [2020-04-17 14:30:30,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 14:30:30,406 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-04-17 14:30:30,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:30:30,412 INFO L225 Difference]: With dead ends: 821 [2020-04-17 14:30:30,413 INFO L226 Difference]: Without dead ends: 821 [2020-04-17 14:30:30,413 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-04-17 14:30:30,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2020-04-17 14:30:30,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 668. [2020-04-17 14:30:30,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2020-04-17 14:30:30,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1762 transitions. [2020-04-17 14:30:30,436 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1762 transitions. Word has length 14 [2020-04-17 14:30:30,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:30:30,436 INFO L479 AbstractCegarLoop]: Abstraction has 668 states and 1762 transitions. [2020-04-17 14:30:30,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-17 14:30:30,437 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1762 transitions. [2020-04-17 14:30:30,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-04-17 14:30:30,438 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:30:30,438 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:30:30,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 14:30:30,649 INFO L427 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:30:30,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:30:30,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1519339950, now seen corresponding path program 1 times [2020-04-17 14:30:30,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:30:30,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001937685] [2020-04-17 14:30:30,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:30:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:30:30,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:30:30,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001937685] [2020-04-17 14:30:30,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:30:30,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 14:30:30,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724514554] [2020-04-17 14:30:30,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 14:30:30,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:30:30,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 14:30:30,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 14:30:30,717 INFO L87 Difference]: Start difference. First operand 668 states and 1762 transitions. Second operand 3 states. [2020-04-17 14:30:30,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:30:30,737 INFO L93 Difference]: Finished difference Result 359 states and 809 transitions. [2020-04-17 14:30:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 14:30:30,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-04-17 14:30:30,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:30:30,740 INFO L225 Difference]: With dead ends: 359 [2020-04-17 14:30:30,741 INFO L226 Difference]: Without dead ends: 355 [2020-04-17 14:30:30,741 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 14:30:30,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-04-17 14:30:30,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 335. [2020-04-17 14:30:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-04-17 14:30:30,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 751 transitions. [2020-04-17 14:30:30,752 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 751 transitions. Word has length 16 [2020-04-17 14:30:30,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:30:30,752 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 751 transitions. [2020-04-17 14:30:30,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 14:30:30,753 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 751 transitions. [2020-04-17 14:30:30,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-17 14:30:30,754 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:30:30,754 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:30:30,754 INFO L427 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:30:30,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:30:30,754 INFO L82 PathProgramCache]: Analyzing trace with hash -70656202, now seen corresponding path program 1 times [2020-04-17 14:30:30,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:30:30,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215092985] [2020-04-17 14:30:30,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:30:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:30:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:30:30,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215092985] [2020-04-17 14:30:30,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:30:30,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-17 14:30:30,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118745586] [2020-04-17 14:30:30,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-17 14:30:30,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:30:30,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-17 14:30:30,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-17 14:30:30,856 INFO L87 Difference]: Start difference. First operand 335 states and 751 transitions. Second operand 5 states. [2020-04-17 14:30:30,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:30:30,926 INFO L93 Difference]: Finished difference Result 445 states and 993 transitions. [2020-04-17 14:30:30,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 14:30:30,927 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-04-17 14:30:30,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:30:30,930 INFO L225 Difference]: With dead ends: 445 [2020-04-17 14:30:30,930 INFO L226 Difference]: Without dead ends: 445 [2020-04-17 14:30:30,931 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-04-17 14:30:30,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-04-17 14:30:30,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 373. [2020-04-17 14:30:30,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-04-17 14:30:30,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 842 transitions. [2020-04-17 14:30:30,943 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 842 transitions. Word has length 17 [2020-04-17 14:30:30,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:30:30,944 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 842 transitions. [2020-04-17 14:30:30,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-17 14:30:30,944 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 842 transitions. [2020-04-17 14:30:30,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-04-17 14:30:30,946 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:30:30,946 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:30:30,946 INFO L427 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:30:30,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:30:30,947 INFO L82 PathProgramCache]: Analyzing trace with hash 681509379, now seen corresponding path program 1 times [2020-04-17 14:30:30,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:30:30,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310203610] [2020-04-17 14:30:30,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:30:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:30:31,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:30:31,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310203610] [2020-04-17 14:30:31,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:30:31,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-04-17 14:30:31,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078201637] [2020-04-17 14:30:31,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-04-17 14:30:31,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:30:31,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-04-17 14:30:31,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-04-17 14:30:31,434 INFO L87 Difference]: Start difference. First operand 373 states and 842 transitions. Second operand 11 states. [2020-04-17 14:30:31,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:30:31,997 INFO L93 Difference]: Finished difference Result 692 states and 1542 transitions. [2020-04-17 14:30:31,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-04-17 14:30:31,998 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-04-17 14:30:31,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:30:32,002 INFO L225 Difference]: With dead ends: 692 [2020-04-17 14:30:32,002 INFO L226 Difference]: Without dead ends: 692 [2020-04-17 14:30:32,003 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-04-17 14:30:32,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2020-04-17 14:30:32,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 495. [2020-04-17 14:30:32,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-04-17 14:30:32,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 1143 transitions. [2020-04-17 14:30:32,020 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 1143 transitions. Word has length 21 [2020-04-17 14:30:32,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:30:32,020 INFO L479 AbstractCegarLoop]: Abstraction has 495 states and 1143 transitions. [2020-04-17 14:30:32,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-04-17 14:30:32,020 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 1143 transitions. [2020-04-17 14:30:32,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-04-17 14:30:32,021 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:30:32,022 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:30:32,022 INFO L427 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:30:32,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:30:32,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1784222625, now seen corresponding path program 2 times [2020-04-17 14:30:32,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:30:32,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094541359] [2020-04-17 14:30:32,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:30:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:30:32,857 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 26 [2020-04-17 14:30:33,012 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 20 [2020-04-17 14:30:33,154 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 20 [2020-04-17 14:30:33,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:30:33,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094541359] [2020-04-17 14:30:33,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:30:33,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-04-17 14:30:33,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546758397] [2020-04-17 14:30:33,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-04-17 14:30:33,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:30:33,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-04-17 14:30:33,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-04-17 14:30:33,252 INFO L87 Difference]: Start difference. First operand 495 states and 1143 transitions. Second operand 11 states. [2020-04-17 14:30:33,918 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2020-04-17 14:30:34,271 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-04-17 14:30:34,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:30:34,599 INFO L93 Difference]: Finished difference Result 793 states and 1790 transitions. [2020-04-17 14:30:34,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-04-17 14:30:34,600 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-04-17 14:30:34,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:30:34,605 INFO L225 Difference]: With dead ends: 793 [2020-04-17 14:30:34,605 INFO L226 Difference]: Without dead ends: 793 [2020-04-17 14:30:34,606 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-04-17 14:30:34,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2020-04-17 14:30:34,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 481. [2020-04-17 14:30:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-04-17 14:30:34,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 1106 transitions. [2020-04-17 14:30:34,622 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 1106 transitions. Word has length 21 [2020-04-17 14:30:34,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:30:34,623 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 1106 transitions. [2020-04-17 14:30:34,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-04-17 14:30:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1106 transitions. [2020-04-17 14:30:34,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-17 14:30:34,624 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:30:34,624 INFO L425 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-04-17 14:30:34,624 INFO L427 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:30:34,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:30:34,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1908901823, now seen corresponding path program 2 times [2020-04-17 14:30:34,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:30:34,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320934865] [2020-04-17 14:30:34,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:30:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:30:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:30:34,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320934865] [2020-04-17 14:30:34,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312557838] [2020-04-17 14:30:34,714 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2020-04-17 14:30:34,808 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-04-17 14:30:34,809 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 14:30:34,810 INFO L264 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 6 conjunts are in the unsatisfiable core [2020-04-17 14:30:34,812 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 14:30:34,838 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:30:34,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 14:30:34,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-04-17 14:30:34,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811729126] [2020-04-17 14:30:34,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-04-17 14:30:34,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:30:34,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-04-17 14:30:34,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-04-17 14:30:34,840 INFO L87 Difference]: Start difference. First operand 481 states and 1106 transitions. Second operand 9 states. [2020-04-17 14:30:34,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:30:34,927 INFO L93 Difference]: Finished difference Result 722 states and 1617 transitions. [2020-04-17 14:30:34,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-17 14:30:34,927 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-04-17 14:30:34,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:30:34,932 INFO L225 Difference]: With dead ends: 722 [2020-04-17 14:30:34,933 INFO L226 Difference]: Without dead ends: 722 [2020-04-17 14:30:34,933 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-04-17 14:30:34,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-04-17 14:30:34,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 571. [2020-04-17 14:30:34,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-04-17 14:30:34,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 1305 transitions. [2020-04-17 14:30:34,953 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 1305 transitions. Word has length 22 [2020-04-17 14:30:34,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:30:34,953 INFO L479 AbstractCegarLoop]: Abstraction has 571 states and 1305 transitions. [2020-04-17 14:30:34,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-04-17 14:30:34,954 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1305 transitions. [2020-04-17 14:30:34,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-04-17 14:30:34,955 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:30:34,955 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:30:35,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 14:30:35,169 INFO L427 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:30:35,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:30:35,169 INFO L82 PathProgramCache]: Analyzing trace with hash 536397377, now seen corresponding path program 1 times [2020-04-17 14:30:35,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:30:35,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232296364] [2020-04-17 14:30:35,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:30:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 14:30:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 14:30:35,323 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-17 14:30:35,323 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-17 14:30:35,324 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-17 14:30:35,325 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-17 14:30:35,333 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [576] [576] L971-6-->L939: Formula: (let ((.cse0 (select |#pthreadsMutex_In1398495937| |~#m~0.base_In1398495937|)) (.cse1 (mod t1Thread1of1ForFork0_~tmp~0_Out1398495937 4294967296))) (and (= (select .cse0 |~#m~0.offset_In1398495937|) 0) (= .cse1 |t1Thread1of1ForFork0_push_#in~x_Out1398495937|) (= (store |#pthreadsMutex_In1398495937| |~#m~0.base_In1398495937| (store .cse0 |~#m~0.offset_In1398495937| 1)) |#pthreadsMutex_Out1398495937|) (= |~#arr~0.base_In1398495937| |t1Thread1of1ForFork0_push_#in~stack.base_Out1398495937|) (< t1Thread1of1ForFork0_~i~0_In1398495937 400) (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out1398495937 |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_Out1398495937|) (< .cse1 400) (= |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_Out1398495937| 1) (= |t1Thread1of1ForFork0_#t~nondet43_In1398495937| t1Thread1of1ForFork0_~tmp~0_Out1398495937) (= |t1Thread1of1ForFork0_push_#in~stack.offset_Out1398495937| |~#arr~0.offset_In1398495937|))) InVars {~#arr~0.offset=|~#arr~0.offset_In1398495937|, #pthreadsMutex=|#pthreadsMutex_In1398495937|, ~#m~0.base=|~#m~0.base_In1398495937|, t1Thread1of1ForFork0_~i~0=t1Thread1of1ForFork0_~i~0_In1398495937, ~#m~0.offset=|~#m~0.offset_In1398495937|, ~#arr~0.base=|~#arr~0.base_In1398495937|, t1Thread1of1ForFork0_#t~nondet43=|t1Thread1of1ForFork0_#t~nondet43_In1398495937|} OutVars{~#arr~0.offset=|~#arr~0.offset_In1398495937|, t1Thread1of1ForFork0_push_#in~x=|t1Thread1of1ForFork0_push_#in~x_Out1398495937|, #pthreadsMutex=|#pthreadsMutex_Out1398495937|, t1Thread1of1ForFork0_~i~0=t1Thread1of1ForFork0_~i~0_In1398495937, t1Thread1of1ForFork0_push_~stack.offset=t1Thread1of1ForFork0_push_~stack.offset_Out1398495937, t1Thread1of1ForFork0_push_#t~ret35=|t1Thread1of1ForFork0_push_#t~ret35_Out1398495937|, t1Thread1of1ForFork0_push_#res=|t1Thread1of1ForFork0_push_#res_Out1398495937|, ~#m~0.base=|~#m~0.base_In1398495937|, t1Thread1of1ForFork0_push_#t~nondet33=|t1Thread1of1ForFork0_push_#t~nondet33_Out1398495937|, t1Thread1of1ForFork0_push_~stack.base=t1Thread1of1ForFork0_push_~stack.base_Out1398495937, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out1398495937, t1Thread1of1ForFork0_push_#in~stack.base=|t1Thread1of1ForFork0_push_#in~stack.base_Out1398495937|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_Out1398495937, t1Thread1of1ForFork0_push_~x=t1Thread1of1ForFork0_push_~x_Out1398495937, ~#m~0.offset=|~#m~0.offset_In1398495937|, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_Out1398495937|, t1Thread1of1ForFork0_push_#in~stack.offset=|t1Thread1of1ForFork0_push_#in~stack.offset_Out1398495937|, t1Thread1of1ForFork0_#t~nondet42=|t1Thread1of1ForFork0_#t~nondet42_Out1398495937|, ~#arr~0.base=|~#arr~0.base_In1398495937|, t1Thread1of1ForFork0_#t~nondet43=|t1Thread1of1ForFork0_#t~nondet43_Out1398495937|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, #pthreadsMutex, t1Thread1of1ForFork0_push_~stack.offset, t1Thread1of1ForFork0_push_#t~ret35, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#t~nondet33, t1Thread1of1ForFork0_push_~stack.base, t1Thread1of1ForFork0_assume_abort_if_not_~cond, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_push_~x, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond, t1Thread1of1ForFork0_push_#in~stack.offset, t1Thread1of1ForFork0_#t~nondet42, t1Thread1of1ForFork0_#t~nondet43] because there is no mapped edge [2020-04-17 14:30:35,344 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [577] [577] L991-3-->L986-6: Formula: (and (= (+ t2Thread1of1ForFork1_~i~1_In1825141693 1) t2Thread1of1ForFork1_~i~1_Out1825141693) (= |#pthreadsMutex_Out1825141693| (store |#pthreadsMutex_In1825141693| |~#m~0.base_In1825141693| (store (select |#pthreadsMutex_In1825141693| |~#m~0.base_In1825141693|) |~#m~0.offset_In1825141693| 0))) (<= 0 (+ |t2Thread1of1ForFork1_#t~ret47_In1825141693| 2147483648)) (not (= |t2Thread1of1ForFork1_#t~ret47_In1825141693| (- 2))) (<= |t2Thread1of1ForFork1_#t~ret47_In1825141693| 2147483647)) InVars {#pthreadsMutex=|#pthreadsMutex_In1825141693|, ~#m~0.base=|~#m~0.base_In1825141693|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_In1825141693|, ~#m~0.offset=|~#m~0.offset_In1825141693|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In1825141693} OutVars{#pthreadsMutex=|#pthreadsMutex_Out1825141693|, ~#m~0.base=|~#m~0.base_In1825141693|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_Out1825141693|, ~#m~0.offset=|~#m~0.offset_In1825141693|, t2Thread1of1ForFork1_#t~post45=|t2Thread1of1ForFork1_#t~post45_Out1825141693|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out1825141693} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret47, t2Thread1of1ForFork1_#t~post45, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2020-04-17 14:30:35,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 02:30:35 BasicIcfg [2020-04-17 14:30:35,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-17 14:30:35,442 INFO L168 Benchmark]: Toolchain (without parser) took 12684.14 ms. Allocated memory was 144.7 MB in the beginning and 317.2 MB in the end (delta: 172.5 MB). Free memory was 99.6 MB in the beginning and 173.0 MB in the end (delta: -73.4 MB). Peak memory consumption was 99.1 MB. Max. memory is 7.1 GB. [2020-04-17 14:30:35,443 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-04-17 14:30:35,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 874.15 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 97.5 MB in the beginning and 132.4 MB in the end (delta: -34.9 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2020-04-17 14:30:35,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.08 ms. Allocated memory is still 202.4 MB. Free memory was 132.4 MB in the beginning and 129.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-04-17 14:30:35,445 INFO L168 Benchmark]: Boogie Preprocessor took 44.20 ms. Allocated memory is still 202.4 MB. Free memory was 129.7 MB in the beginning and 127.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-04-17 14:30:35,446 INFO L168 Benchmark]: RCFGBuilder took 703.66 ms. Allocated memory is still 202.4 MB. Free memory was 127.6 MB in the beginning and 94.4 MB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-04-17 14:30:35,447 INFO L168 Benchmark]: TraceAbstraction took 10962.90 ms. Allocated memory was 202.4 MB in the beginning and 317.2 MB in the end (delta: 114.8 MB). Free memory was 94.4 MB in the beginning and 173.0 MB in the end (delta: -78.6 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2020-04-17 14:30:35,460 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 874.15 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 97.5 MB in the beginning and 132.4 MB in the end (delta: -34.9 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 72.08 ms. Allocated memory is still 202.4 MB. Free memory was 132.4 MB in the beginning and 129.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.20 ms. Allocated memory is still 202.4 MB. Free memory was 129.7 MB in the beginning and 127.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 703.66 ms. Allocated memory is still 202.4 MB. Free memory was 127.6 MB in the beginning and 94.4 MB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10962.90 ms. Allocated memory was 202.4 MB in the beginning and 317.2 MB in the end (delta: 114.8 MB). Free memory was 94.4 MB in the beginning and 173.0 MB in the end (delta: -78.6 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.4s, 140 ProgramPointsBefore, 40 ProgramPointsAfterwards, 145 TransitionsBefore, 41 TransitionsAfterwards, 6532 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 81 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 4 ChoiceCompositions, 3709 VarBasedMoverChecksPositive, 66 VarBasedMoverChecksNegative, 28 SemBasedMoverChecksPositive, 59 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 7839 CheckedPairsTotal, 129 TotalNumberOfCompositions - CounterExampleResult [Line: 921]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L916] 0 static int top=0; [L917] 0 static unsigned int arr[(400)]; [L918] 0 pthread_mutex_t m; [L919] 0 _Bool flag=(0); [L1000] 0 pthread_t id1, id2; [L1002] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={5:0}, flag=0, m={7:0}, top=0] [L969] 1 int i; [L970] 1 unsigned int tmp; [L971] 1 i=0 VAL [arr={5:0}, flag=0, m={7:0}, top=0] [L941] COND FALSE 1 !(top==(400)) [L1003] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={5:0}, flag=0, m={7:0}, top=0] [L985] 2 int i; [L986] 2 i=0 VAL [arr={5:0}, flag=0, m={7:0}, top=0] [L933] 1 return top; [L948] 1 stack[get_top()] = x VAL [arr={5:0}, flag=0, m={7:0}, top=0] [L925] 1 top++ [L951] 1 return 0; [L976] COND FALSE 1 !(push(arr,tmp)==(-1)) [L978] 1 flag=(1) VAL [arr={5:0}, flag=1, m={7:0}, top=1] [L971] 1 i++ VAL [arr={5:0}, flag=1, m={7:0}, top=1] [L986] COND TRUE 2 i<(400) [L989] COND TRUE 2 \read(flag) [L933] 2 return top; [L955] COND FALSE 2 !(get_top()==0) VAL [arr={5:0}, flag=1, m={7:0}, top=1] [L929] 2 top-- [L933] 2 return top; [L963] EXPR 2 stack[get_top()] [L963] 2 return stack[get_top()]; [L986] COND TRUE 2 i<(400) [L989] COND TRUE 2 \read(flag) [L933] 2 return top; [L955] COND TRUE 2 get_top()==0 [L958] 2 return (-2); [L991] COND TRUE 2 !(pop(arr)!=(-2)) [L921] 2 __VERIFIER_error() VAL [arr={5:0}, flag=1, m={7:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 134 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 398 SDtfs, 475 SDslu, 879 SDs, 0 SdLazy, 518 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=668occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 985 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 44506 SizeOfPredicates, 5 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 6/34 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...