/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 03:39:12,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 03:39:12,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 03:39:12,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 03:39:12,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 03:39:12,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 03:39:12,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 03:39:12,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 03:39:12,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 03:39:12,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 03:39:12,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 03:39:12,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 03:39:12,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 03:39:12,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 03:39:12,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 03:39:12,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 03:39:12,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 03:39:12,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 03:39:12,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 03:39:12,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 03:39:12,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 03:39:12,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 03:39:12,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 03:39:12,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 03:39:12,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 03:39:12,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 03:39:12,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 03:39:12,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 03:39:12,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 03:39:12,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 03:39:12,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 03:39:12,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 03:39:12,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 03:39:12,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 03:39:12,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 03:39:12,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 03:39:12,637 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 03:39:12,654 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 03:39:12,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 03:39:12,654 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 03:39:12,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 03:39:12,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 03:39:12,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 03:39:12,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 03:39:12,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 03:39:12,657 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 03:39:12,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 03:39:12,657 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 03:39:12,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 03:39:12,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 03:39:12,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 03:39:12,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 03:39:12,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 03:39:12,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 03:39:12,658 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 03:39:12,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 03:39:12,658 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 03:39:12,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 03:39:12,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 03:39:12,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 03:39:12,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 03:39:12,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 03:39:12,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 03:39:12,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 03:39:12,660 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 03:39:12,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 03:39:12,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 03:39:12,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 03:39:12,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 03:39:12,660 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 03:39:12,661 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 03:39:12,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 03:39:12,661 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 03:39:12,661 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 03:39:12,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 03:39:12,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 03:39:12,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 03:39:12,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 03:39:12,937 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 03:39:12,938 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 03:39:12,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2022-03-04 03:39:12,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5b98776a/7c17d40fce374f3cad64fe0764271549/FLAGe1f6869d3 [2022-03-04 03:39:13,401 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 03:39:13,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2022-03-04 03:39:13,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5b98776a/7c17d40fce374f3cad64fe0764271549/FLAGe1f6869d3 [2022-03-04 03:39:13,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5b98776a/7c17d40fce374f3cad64fe0764271549 [2022-03-04 03:39:13,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 03:39:13,434 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 03:39:13,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 03:39:13,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 03:39:13,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 03:39:13,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:39:13" (1/1) ... [2022-03-04 03:39:13,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a11a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:13, skipping insertion in model container [2022-03-04 03:39:13,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:39:13" (1/1) ... [2022-03-04 03:39:13,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 03:39:13,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 03:39:13,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c[2453,2466] [2022-03-04 03:39:13,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 03:39:13,701 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 03:39:13,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c[2453,2466] [2022-03-04 03:39:13,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 03:39:13,732 INFO L208 MainTranslator]: Completed translation [2022-03-04 03:39:13,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:13 WrapperNode [2022-03-04 03:39:13,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 03:39:13,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 03:39:13,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 03:39:13,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 03:39:13,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:13" (1/1) ... [2022-03-04 03:39:13,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:13" (1/1) ... [2022-03-04 03:39:13,769 INFO L137 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-03-04 03:39:13,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 03:39:13,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 03:39:13,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 03:39:13,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 03:39:13,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:13" (1/1) ... [2022-03-04 03:39:13,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:13" (1/1) ... [2022-03-04 03:39:13,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:13" (1/1) ... [2022-03-04 03:39:13,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:13" (1/1) ... [2022-03-04 03:39:13,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:13" (1/1) ... [2022-03-04 03:39:13,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:13" (1/1) ... [2022-03-04 03:39:13,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:13" (1/1) ... [2022-03-04 03:39:13,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 03:39:13,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 03:39:13,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 03:39:13,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 03:39:13,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:13" (1/1) ... [2022-03-04 03:39:13,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 03:39:13,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:39:13,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 03:39:13,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 03:39:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-04 03:39:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 03:39:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 03:39:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 03:39:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 03:39:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 03:39:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 03:39:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-04 03:39:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-04 03:39:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 03:39:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 03:39:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 03:39:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 03:39:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 03:39:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-04 03:39:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 03:39:13,870 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 03:39:13,960 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 03:39:13,962 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 03:39:14,206 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 03:39:14,214 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 03:39:14,214 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-04 03:39:14,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 03:39:14 BoogieIcfgContainer [2022-03-04 03:39:14,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 03:39:14,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 03:39:14,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 03:39:14,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 03:39:14,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:39:13" (1/3) ... [2022-03-04 03:39:14,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d919659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:39:14, skipping insertion in model container [2022-03-04 03:39:14,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:13" (2/3) ... [2022-03-04 03:39:14,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d919659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:39:14, skipping insertion in model container [2022-03-04 03:39:14,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 03:39:14" (3/3) ... [2022-03-04 03:39:14,227 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2022-03-04 03:39:14,231 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 03:39:14,231 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 03:39:14,232 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 03:39:14,232 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 03:39:14,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,304 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,304 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,304 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,305 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,305 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,307 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,307 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,307 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,307 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,309 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,309 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,309 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,309 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,320 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,320 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,323 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,323 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,325 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,327 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,329 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,329 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:14,342 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-04 03:39:14,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 03:39:14,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:39:14,389 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 03:39:14,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 03:39:14,417 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 03:39:14,424 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 03:39:14,425 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-04 03:39:14,553 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 311 transitions and produced 312 states. [2022-03-04 03:39:14,555 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 03:39:14,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:39:14,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1911691711, now seen corresponding path program 1 times [2022-03-04 03:39:14,569 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:39:14,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137236174] [2022-03-04 03:39:14,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:14,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:39:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:14,813 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:39:14,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137236174] [2022-03-04 03:39:14,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137236174] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 03:39:14,815 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 03:39:14,815 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 03:39:14,816 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310791346] [2022-03-04 03:39:14,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 03:39:14,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-04 03:39:14,823 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:39:14,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-04 03:39:14,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-04 03:39:14,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:14,847 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:39:14,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 03:39:14,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:14,909 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 311 transitions and produced 312 states. [2022-03-04 03:39:14,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:14,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 03:39:14,924 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 03:39:14,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:39:14,925 INFO L85 PathProgramCache]: Analyzing trace with hash 353551930, now seen corresponding path program 1 times [2022-03-04 03:39:14,925 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:39:14,925 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937682965] [2022-03-04 03:39:14,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:14,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:39:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:15,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:15,542 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:39:15,542 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937682965] [2022-03-04 03:39:15,542 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937682965] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 03:39:15,543 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 03:39:15,543 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-04 03:39:15,544 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005847592] [2022-03-04 03:39:15,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 03:39:15,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-04 03:39:15,546 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:39:15,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-04 03:39:15,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-04 03:39:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:15,548 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:39:15,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 03:39:15,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:15,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:15,866 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 379 transitions and produced 362 states. [2022-03-04 03:39:15,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:15,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:39:15,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 03:39:15,867 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 03:39:15,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:39:15,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1118418852, now seen corresponding path program 1 times [2022-03-04 03:39:15,868 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:39:15,868 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260586999] [2022-03-04 03:39:15,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:15,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:39:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:16,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:16,294 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:39:16,295 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260586999] [2022-03-04 03:39:16,295 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260586999] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 03:39:16,296 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 03:39:16,296 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-04 03:39:16,296 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481745840] [2022-03-04 03:39:16,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 03:39:16,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 03:39:16,298 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:39:16,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 03:39:16,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-03-04 03:39:16,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:16,299 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:39:16,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 03:39:16,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:16,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:39:16,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:16,528 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 607 transitions and produced 449 states. [2022-03-04 03:39:16,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:16,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:39:16,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 03:39:16,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-04 03:39:16,529 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 03:39:16,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:39:16,530 INFO L85 PathProgramCache]: Analyzing trace with hash 518360785, now seen corresponding path program 1 times [2022-03-04 03:39:16,530 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:39:16,531 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405941499] [2022-03-04 03:39:16,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:16,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:39:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:16,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:16,858 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:39:16,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405941499] [2022-03-04 03:39:16,858 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405941499] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 03:39:16,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388030507] [2022-03-04 03:39:16,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:16,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 03:39:16,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:39:16,860 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 03:39:16,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 03:39:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:17,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-04 03:39:17,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 03:39:17,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:17,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 03:39:18,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:18,017 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388030507] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 03:39:18,018 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 03:39:18,018 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2022-03-04 03:39:18,018 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786973666] [2022-03-04 03:39:18,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 03:39:18,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-04 03:39:18,019 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:39:18,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-04 03:39:18,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-03-04 03:39:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:18,020 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:39:18,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.857142857142858) internal successors, (180), 14 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 03:39:18,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:18,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:39:18,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 03:39:18,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:18,550 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 619 transitions and produced 461 states. [2022-03-04 03:39:18,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:18,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:39:18,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 03:39:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 03:39:18,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 03:39:18,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-03-04 03:39:18,752 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 03:39:18,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:39:18,753 INFO L85 PathProgramCache]: Analyzing trace with hash -687884947, now seen corresponding path program 1 times [2022-03-04 03:39:18,753 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:39:18,753 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818736186] [2022-03-04 03:39:18,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:18,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:39:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:20,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:20,532 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:39:20,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818736186] [2022-03-04 03:39:20,532 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818736186] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 03:39:20,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580818681] [2022-03-04 03:39:20,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:20,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 03:39:20,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:39:20,534 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 03:39:20,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 03:39:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:53,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-04 03:39:53,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-04 03:53:49,114 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 03:53:49,114 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 03:53:49,115 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 03:53:49,445 WARN L244 SmtUtils]: Removed 1 from assertion stack [2022-03-04 03:53:49,449 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-03-04 03:53:49,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 03:53:49,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 03:53:49,658 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1047-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-03-04 03:53:49,660 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-04 03:53:49,660 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-04 03:53:49,661 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-04 03:53:49,661 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-04 03:53:49,677 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-03-04 03:53:49,684 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 03:53:49,684 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 03:53:49,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 03:53:49 BasicIcfg [2022-03-04 03:53:49,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 03:53:49,687 INFO L158 Benchmark]: Toolchain (without parser) took 876253.04ms. Allocated memory was 200.3MB in the beginning and 596.6MB in the end (delta: 396.4MB). Free memory was 150.0MB in the beginning and 246.9MB in the end (delta: -96.8MB). Peak memory consumption was 420.3MB. Max. memory is 8.0GB. [2022-03-04 03:53:49,688 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 167.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 03:53:49,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.60ms. Allocated memory is still 200.3MB. Free memory was 149.9MB in the beginning and 176.7MB in the end (delta: -26.8MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. [2022-03-04 03:53:49,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.87ms. Allocated memory is still 200.3MB. Free memory was 176.2MB in the beginning and 174.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 03:53:49,689 INFO L158 Benchmark]: Boogie Preprocessor took 21.20ms. Allocated memory is still 200.3MB. Free memory was 174.6MB in the beginning and 173.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 03:53:49,689 INFO L158 Benchmark]: RCFGBuilder took 424.40ms. Allocated memory is still 200.3MB. Free memory was 173.5MB in the beginning and 159.4MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-04 03:53:49,690 INFO L158 Benchmark]: TraceAbstraction took 875469.74ms. Allocated memory was 200.3MB in the beginning and 596.6MB in the end (delta: 396.4MB). Free memory was 158.9MB in the beginning and 246.9MB in the end (delta: -88.0MB). Peak memory consumption was 429.5MB. Max. memory is 8.0GB. [2022-03-04 03:53:49,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 167.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 294.60ms. Allocated memory is still 200.3MB. Free memory was 149.9MB in the beginning and 176.7MB in the end (delta: -26.8MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.87ms. Allocated memory is still 200.3MB. Free memory was 176.2MB in the beginning and 174.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.20ms. Allocated memory is still 200.3MB. Free memory was 174.6MB in the beginning and 173.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 424.40ms. Allocated memory is still 200.3MB. Free memory was 173.5MB in the beginning and 159.4MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 875469.74ms. Allocated memory was 200.3MB in the beginning and 596.6MB in the end (delta: 396.4MB). Free memory was 158.9MB in the beginning and 246.9MB in the end (delta: -88.0MB). Peak memory consumption was 429.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1047-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1047-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1047-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1047-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1047-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 164 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 875.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 477 NumberOfCodeBlocks, 477 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 568 ConstructedInterpolants, 0 QuantifiedInterpolants, 6873 SizeOfPredicates, 10 NumberOfNonLiveVariables, 257 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 1/4 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 could not prove your program: Timeout Completed graceful shutdown