/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp3x3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 20:26:34,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 20:26:34,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 20:26:34,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 20:26:34,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 20:26:34,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 20:26:34,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 20:26:34,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 20:26:34,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 20:26:34,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 20:26:34,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 20:26:34,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 20:26:34,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 20:26:34,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 20:26:34,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 20:26:34,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 20:26:34,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 20:26:34,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 20:26:34,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 20:26:34,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 20:26:34,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 20:26:34,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 20:26:34,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 20:26:34,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 20:26:34,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 20:26:34,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 20:26:34,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 20:26:34,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 20:26:34,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 20:26:34,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 20:26:34,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 20:26:34,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 20:26:34,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 20:26:34,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 20:26:34,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 20:26:34,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 20:26:34,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 20:26:34,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 20:26:34,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 20:26:34,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 20:26:34,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 20:26:34,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 20:26:34,702 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 20:26:34,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 20:26:34,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 20:26:34,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 20:26:34,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 20:26:34,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 20:26:34,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 20:26:34,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 20:26:34,703 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 20:26:34,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 20:26:34,703 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 20:26:34,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 20:26:34,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 20:26:34,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 20:26:34,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 20:26:34,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 20:26:34,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 20:26:34,704 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 20:26:34,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 20:26:34,704 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 20:26:34,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 20:26:34,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 20:26:34,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 20:26:34,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 20:26:34,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 20:26:34,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 20:26:34,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 20:26:34,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 20:26:34,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 20:26:34,705 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 20:26:34,705 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 20:26:34,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 20:26:34,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 20:26:34,705 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 20:26:34,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 20:26:34,705 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 20:26:34,705 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 20:26:34,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 20:26:34,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 20:26:34,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 20:26:34,885 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 20:26:34,887 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 20:26:34,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp3x3.wvr.c [2023-05-04 20:26:34,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af1556731/d6cbe87671cd4b00b9342e7229b2d2a6/FLAGca4e9365b [2023-05-04 20:26:35,297 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 20:26:35,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3.wvr.c [2023-05-04 20:26:35,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af1556731/d6cbe87671cd4b00b9342e7229b2d2a6/FLAGca4e9365b [2023-05-04 20:26:35,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af1556731/d6cbe87671cd4b00b9342e7229b2d2a6 [2023-05-04 20:26:35,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 20:26:35,721 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 20:26:35,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 20:26:35,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 20:26:35,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 20:26:35,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:26:35" (1/1) ... [2023-05-04 20:26:35,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24118177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:26:35, skipping insertion in model container [2023-05-04 20:26:35,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:26:35" (1/1) ... [2023-05-04 20:26:35,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 20:26:35,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 20:26:35,853 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-exp3x3.wvr.c[2625,2638] [2023-05-04 20:26:35,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 20:26:35,860 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 20:26:35,875 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-exp3x3.wvr.c[2625,2638] [2023-05-04 20:26:35,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 20:26:35,884 INFO L208 MainTranslator]: Completed translation [2023-05-04 20:26:35,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:26:35 WrapperNode [2023-05-04 20:26:35,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 20:26:35,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 20:26:35,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 20:26:35,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 20:26:35,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:26:35" (1/1) ... [2023-05-04 20:26:35,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:26:35" (1/1) ... [2023-05-04 20:26:35,925 INFO L138 Inliner]: procedures = 22, calls = 44, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2023-05-04 20:26:35,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 20:26:35,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 20:26:35,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 20:26:35,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 20:26:35,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:26:35" (1/1) ... [2023-05-04 20:26:35,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:26:35" (1/1) ... [2023-05-04 20:26:35,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:26:35" (1/1) ... [2023-05-04 20:26:35,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:26:35" (1/1) ... [2023-05-04 20:26:35,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:26:35" (1/1) ... [2023-05-04 20:26:35,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:26:35" (1/1) ... [2023-05-04 20:26:35,941 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:26:35" (1/1) ... [2023-05-04 20:26:35,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:26:35" (1/1) ... [2023-05-04 20:26:35,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 20:26:35,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 20:26:35,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 20:26:35,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 20:26:35,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:26:35" (1/1) ... [2023-05-04 20:26:35,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 20:26:35,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:26:35,985 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) [2023-05-04 20:26:35,986 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 [2023-05-04 20:26:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 20:26:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 20:26:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 20:26:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 20:26:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 20:26:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 20:26:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 20:26:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-04 20:26:36,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-04 20:26:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 20:26:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-05-04 20:26:36,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-05-04 20:26:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-05-04 20:26:36,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-05-04 20:26:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 20:26:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 20:26:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 20:26:36,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 20:26:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 20:26:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 20:26:36,011 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 20:26:36,087 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 20:26:36,088 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 20:26:36,266 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 20:26:36,273 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 20:26:36,273 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2023-05-04 20:26:36,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:26:36 BoogieIcfgContainer [2023-05-04 20:26:36,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 20:26:36,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 20:26:36,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 20:26:36,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 20:26:36,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 08:26:35" (1/3) ... [2023-05-04 20:26:36,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9f30d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:26:36, skipping insertion in model container [2023-05-04 20:26:36,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:26:35" (2/3) ... [2023-05-04 20:26:36,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9f30d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:26:36, skipping insertion in model container [2023-05-04 20:26:36,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:26:36" (3/3) ... [2023-05-04 20:26:36,280 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp3x3.wvr.c [2023-05-04 20:26:36,285 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 20:26:36,291 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 20:26:36,291 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 20:26:36,291 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 20:26:36,378 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2023-05-04 20:26:36,414 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 20:26:36,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 20:26:36,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:26:36,416 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) [2023-05-04 20:26:36,434 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 [2023-05-04 20:26:36,459 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 20:26:36,475 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 20:26:36,479 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@20643905, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 20:26:36,479 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-05-04 20:26:36,734 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-05-04 20:26:36,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:26:36,738 INFO L85 PathProgramCache]: Analyzing trace with hash -2084939384, now seen corresponding path program 1 times [2023-05-04 20:26:36,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:26:36,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019612582] [2023-05-04 20:26:36,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:26:36,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:26:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:26:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-05-04 20:26:37,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:26:37,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019612582] [2023-05-04 20:26:37,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019612582] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 20:26:37,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 20:26:37,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 20:26:37,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180797372] [2023-05-04 20:26:37,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 20:26:37,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 20:26:37,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:26:37,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 20:26:37,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 20:26:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:26:37,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:26:37,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 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) [2023-05-04 20:26:37,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:26:37,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:26:37,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 20:26:37,172 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-05-04 20:26:37,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:26:37,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1681013224, now seen corresponding path program 1 times [2023-05-04 20:26:37,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:26:37,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126492908] [2023-05-04 20:26:37,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:26:37,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:26:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:26:37,885 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-04 20:26:37,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:26:37,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126492908] [2023-05-04 20:26:37,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126492908] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 20:26:37,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 20:26:37,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 20:26:37,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396568697] [2023-05-04 20:26:37,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 20:26:37,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 20:26:37,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:26:37,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 20:26:37,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-05-04 20:26:37,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:26:37,892 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:26:37,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 6 states have internal predecessors, (129), 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) [2023-05-04 20:26:37,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:26:37,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:26:38,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:26:38,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 20:26:38,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 20:26:38,182 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-05-04 20:26:38,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:26:38,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1021984630, now seen corresponding path program 1 times [2023-05-04 20:26:38,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:26:38,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958717063] [2023-05-04 20:26:38,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:26:38,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Received shutdown request... [2023-05-04 20:41:11,852 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 [2023-05-04 20:41:11,854 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 [2023-05-04 20:41:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-05-04 20:41:12,051 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2023-05-04 20:41:12,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 20:41:12,051 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [958717063] and IpTcStrategyModuleZ3 [190393063]. [2023-05-04 20:41:12,052 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2023-05-04 20:41:12,053 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-05-04 20:41:12,053 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-05-04 20:41:12,053 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2023-05-04 20:41:12,053 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2023-05-04 20:41:12,053 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2023-05-04 20:41:12,057 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-05-04 20:41:12,059 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 20:41:12,059 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 20:41:12,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 08:41:12 BasicIcfg [2023-05-04 20:41:12,061 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 20:41:12,062 INFO L158 Benchmark]: Toolchain (without parser) took 876340.58ms. Allocated memory was 177.2MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 147.6MB in the beginning and 442.9MB in the end (delta: -295.3MB). Peak memory consumption was 989.8MB. Max. memory is 8.0GB. [2023-05-04 20:41:12,062 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 20:41:12,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.78ms. Allocated memory is still 177.2MB. Free memory was 147.3MB in the beginning and 147.6MB in the end (delta: -290.6kB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-04 20:41:12,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.35ms. Allocated memory is still 177.2MB. Free memory was 147.6MB in the beginning and 145.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 20:41:12,063 INFO L158 Benchmark]: Boogie Preprocessor took 16.96ms. Allocated memory is still 177.2MB. Free memory was 145.5MB in the beginning and 144.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 20:41:12,063 INFO L158 Benchmark]: RCFGBuilder took 331.12ms. Allocated memory is still 177.2MB. Free memory was 143.8MB in the beginning and 126.9MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-05-04 20:41:12,064 INFO L158 Benchmark]: TraceAbstraction took 875785.49ms. Allocated memory was 177.2MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 125.6MB in the beginning and 442.9MB in the end (delta: -317.3MB). Peak memory consumption was 968.9MB. Max. memory is 8.0GB. [2023-05-04 20:41:12,065 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 159.78ms. Allocated memory is still 177.2MB. Free memory was 147.3MB in the beginning and 147.6MB in the end (delta: -290.6kB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.35ms. Allocated memory is still 177.2MB. Free memory was 147.6MB in the beginning and 145.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.96ms. Allocated memory is still 177.2MB. Free memory was 145.5MB in the beginning and 144.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 331.12ms. Allocated memory is still 177.2MB. Free memory was 143.8MB in the beginning and 126.9MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 875785.49ms. Allocated memory was 177.2MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 125.6MB in the beginning and 442.9MB in the end (delta: -317.3MB). Peak memory consumption was 968.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7764, independent: 7470, independent conditional: 2583, independent unconditional: 4887, dependent: 294, dependent conditional: 279, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 2583, independent unconditional: 4887, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 2583, independent unconditional: 4887, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4797, independent: 4782, independent conditional: 0, independent unconditional: 4782, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4797, independent: 4782, independent conditional: 0, independent unconditional: 4782, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7485, independent: 2688, independent conditional: 0, independent unconditional: 2688, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4797, unknown conditional: 0, unknown unconditional: 4797] , Statistics on independence cache: Total cache size (in pairs): 4797, Positive cache size: 4782, Positive conditional cache size: 0, Positive unconditional cache size: 4782, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 279 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 233, Number of trivial persistent sets: 197, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4902, independent: 4887, independent conditional: 0, independent unconditional: 4887, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7764, independent: 7470, independent conditional: 2583, independent unconditional: 4887, dependent: 294, dependent conditional: 279, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 2583, independent unconditional: 4887, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 2583, independent unconditional: 4887, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4797, independent: 4782, independent conditional: 0, independent unconditional: 4782, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4797, independent: 4782, independent conditional: 0, independent unconditional: 4782, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7485, independent: 2688, independent conditional: 0, independent unconditional: 2688, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4797, unknown conditional: 0, unknown unconditional: 4797] , Statistics on independence cache: Total cache size (in pairs): 4797, Positive cache size: 4782, Positive conditional cache size: 0, Positive unconditional cache size: 4782, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 279 - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [958717063] and IpTcStrategyModuleZ3 [190393063]. - TimeoutResultAtElement [Line: 101]: 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 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [958717063] and IpTcStrategyModuleZ3 [190393063]. - TimeoutResultAtElement [Line: 105]: 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 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [958717063] and IpTcStrategyModuleZ3 [190393063]. - TimeoutResultAtElement [Line: 100]: 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 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [958717063] and IpTcStrategyModuleZ3 [190393063]. - TimeoutResultAtElement [Line: 102]: 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 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [958717063] and IpTcStrategyModuleZ3 [190393063]. - TimeoutResultAtElement [Line: 104]: 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 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [958717063] and IpTcStrategyModuleZ3 [190393063]. - TimeoutResultAtElement [Line: 103]: 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 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [958717063] and IpTcStrategyModuleZ3 [190393063]. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 192 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 875.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 1654 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 90/90 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