/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 ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 10:51:28,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 10:51:28,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 10:51:28,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 10:51:28,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 10:51:28,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 10:51:28,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 10:51:28,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 10:51:28,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 10:51:28,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 10:51:28,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 10:51:28,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 10:51:28,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 10:51:28,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 10:51:28,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 10:51:28,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 10:51:28,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 10:51:28,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 10:51:28,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 10:51:28,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 10:51:28,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 10:51:28,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 10:51:28,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 10:51:28,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 10:51:28,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 10:51:28,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 10:51:28,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 10:51:28,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 10:51:28,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 10:51:28,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 10:51:28,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 10:51:28,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 10:51:28,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 10:51:28,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 10:51:28,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 10:51:28,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 10:51:28,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 10:51:28,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 10:51:28,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 10:51:28,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 10:51:28,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 10:51:28,623 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 10:51:28,662 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 10:51:28,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 10:51:28,662 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 10:51:28,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 10:51:28,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 10:51:28,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 10:51:28,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 10:51:28,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 10:51:28,664 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 10:51:28,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 10:51:28,665 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 10:51:28,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 10:51:28,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 10:51:28,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 10:51:28,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 10:51:28,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 10:51:28,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 10:51:28,666 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 10:51:28,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 10:51:28,666 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 10:51:28,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 10:51:28,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 10:51:28,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 10:51:28,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 10:51:28,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 10:51:28,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 10:51:28,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 10:51:28,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 10:51:28,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 10:51:28,669 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 10:51:28,669 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 10:51:28,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 10:51:28,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 10:51:28,670 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 10:51:28,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 10:51:28,670 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 10:51:28,670 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 10:51:28,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 10:51:28,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 10:51:28,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 10:51:28,915 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 10:51:28,917 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 10:51:28,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c [2023-05-20 10:51:28,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7cabf5e2/2454eb6ac3f14e5e809258adc2fb145e/FLAGeeaa05808 [2023-05-20 10:51:29,350 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 10:51:29,352 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c [2023-05-20 10:51:29,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7cabf5e2/2454eb6ac3f14e5e809258adc2fb145e/FLAGeeaa05808 [2023-05-20 10:51:29,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7cabf5e2/2454eb6ac3f14e5e809258adc2fb145e [2023-05-20 10:51:29,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 10:51:29,378 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 10:51:29,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 10:51:29,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 10:51:29,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 10:51:29,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 10:51:29" (1/1) ... [2023-05-20 10:51:29,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af77251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:51:29, skipping insertion in model container [2023-05-20 10:51:29,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 10:51:29" (1/1) ... [2023-05-20 10:51:29,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 10:51:29,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 10:51:29,635 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-opt.wvr.c[2826,2839] [2023-05-20 10:51:29,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 10:51:29,651 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 10:51:29,688 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-opt.wvr.c[2826,2839] [2023-05-20 10:51:29,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 10:51:29,714 INFO L208 MainTranslator]: Completed translation [2023-05-20 10:51:29,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:51:29 WrapperNode [2023-05-20 10:51:29,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 10:51:29,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 10:51:29,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 10:51:29,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 10:51:29,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:51:29" (1/1) ... [2023-05-20 10:51:29,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:51:29" (1/1) ... [2023-05-20 10:51:29,753 INFO L138 Inliner]: procedures = 25, calls = 44, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2023-05-20 10:51:29,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 10:51:29,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 10:51:29,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 10:51:29,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 10:51:29,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:51:29" (1/1) ... [2023-05-20 10:51:29,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:51:29" (1/1) ... [2023-05-20 10:51:29,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:51:29" (1/1) ... [2023-05-20 10:51:29,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:51:29" (1/1) ... [2023-05-20 10:51:29,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:51:29" (1/1) ... [2023-05-20 10:51:29,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:51:29" (1/1) ... [2023-05-20 10:51:29,784 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:51:29" (1/1) ... [2023-05-20 10:51:29,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:51:29" (1/1) ... [2023-05-20 10:51:29,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 10:51:29,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 10:51:29,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 10:51:29,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 10:51:29,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:51:29" (1/1) ... [2023-05-20 10:51:29,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 10:51:29,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 10:51:29,826 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) [2023-05-20 10:51:29,830 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 [2023-05-20 10:51:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 10:51:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 10:51:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 10:51:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 10:51:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 10:51:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 10:51:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 10:51:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 10:51:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 10:51:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 10:51:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-20 10:51:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-20 10:51:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 10:51:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-05-20 10:51:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-05-20 10:51:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-05-20 10:51:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-05-20 10:51:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 10:51:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 10:51:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 10:51:29,864 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 10:51:29,961 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 10:51:29,963 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 10:51:30,265 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 10:51:30,274 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 10:51:30,274 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2023-05-20 10:51:30,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 10:51:30 BoogieIcfgContainer [2023-05-20 10:51:30,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 10:51:30,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 10:51:30,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 10:51:30,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 10:51:30,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 10:51:29" (1/3) ... [2023-05-20 10:51:30,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511e3e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 10:51:30, skipping insertion in model container [2023-05-20 10:51:30,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:51:29" (2/3) ... [2023-05-20 10:51:30,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511e3e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 10:51:30, skipping insertion in model container [2023-05-20 10:51:30,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 10:51:30" (3/3) ... [2023-05-20 10:51:30,285 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp3x3-opt.wvr.c [2023-05-20 10:51:30,294 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 10:51:30,302 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 10:51:30,302 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 10:51:30,302 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 10:51:30,405 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2023-05-20 10:51:30,469 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 10:51:30,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 10:51:30,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 10:51:30,471 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) [2023-05-20 10:51:30,475 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 [2023-05-20 10:51:30,512 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 10:51:30,529 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 10:51:30,535 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;@3a7e4ac9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 10:51:30,536 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-05-20 10:51:30,941 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)] === [2023-05-20 10:51:30,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 10:51:30,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1943382680, now seen corresponding path program 1 times [2023-05-20 10:51:30,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 10:51:30,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712929591] [2023-05-20 10:51:30,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 10:51:30,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 10:51:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 10:51:31,343 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-05-20 10:51:31,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 10:51:31,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712929591] [2023-05-20 10:51:31,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712929591] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 10:51:31,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 10:51:31,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 10:51:31,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092988276] [2023-05-20 10:51:31,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 10:51:31,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 10:51:31,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 10:51:31,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 10:51:31,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 10:51:31,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 10:51:31,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 10:51:31,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 64.0) internal successors, (128), 2 states have internal predecessors, (128), 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) [2023-05-20 10:51:31,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 10:51:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 10:51:31,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 10:51:31,458 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)] === [2023-05-20 10:51:31,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 10:51:31,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1625496577, now seen corresponding path program 1 times [2023-05-20 10:51:31,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 10:51:31,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697299610] [2023-05-20 10:51:31,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 10:51:31,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 10:51:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 10:51:32,579 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2023-05-20 10:51:32,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 10:51:32,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697299610] [2023-05-20 10:51:32,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697299610] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 10:51:32,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 10:51:32,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 10:51:32,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224197801] [2023-05-20 10:51:32,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 10:51:32,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 10:51:32,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 10:51:32,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 10:51:32,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-05-20 10:51:32,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 10:51:32,587 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 10:51:32,587 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) [2023-05-20 10:51:32,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 10:51:32,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 10:51:32,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 10:51:32,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 10:51:32,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 10:51:32,939 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)] === [2023-05-20 10:51:32,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 10:51:32,940 INFO L85 PathProgramCache]: Analyzing trace with hash 90892183, now seen corresponding path program 1 times [2023-05-20 10:51:32,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 10:51:32,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188966963] [2023-05-20 10:51:32,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 10:51:32,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Received shutdown request... [2023-05-20 11:06:01,700 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 [2023-05-20 11:06:01,701 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 [2023-05-20 11:06:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-05-20 11:06:02,212 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2023-05-20 11:06:02,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 11:06:02,213 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 185 with TraceHistMax 17,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1188966963] and IpTcStrategyModuleZ3 [1743774696]. [2023-05-20 11:06:02,214 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2023-05-20 11:06:02,215 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-05-20 11:06:02,215 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-05-20 11:06:02,215 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2023-05-20 11:06:02,215 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2023-05-20 11:06:02,215 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2023-05-20 11:06:02,221 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-05-20 11:06:02,223 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 11:06:02,224 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 11:06:02,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 11:06:02 BasicIcfg [2023-05-20 11:06:02,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 11:06:02,227 INFO L158 Benchmark]: Toolchain (without parser) took 872849.04ms. Allocated memory was 189.8MB in the beginning and 790.6MB in the end (delta: 600.8MB). Free memory was 155.8MB in the beginning and 681.8MB in the end (delta: -526.1MB). Peak memory consumption was 507.7MB. Max. memory is 8.0GB. [2023-05-20 11:06:02,227 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 189.8MB. Free memory is still 143.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 11:06:02,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.13ms. Allocated memory was 189.8MB in the beginning and 295.7MB in the end (delta: 105.9MB). Free memory was 155.5MB in the beginning and 263.5MB in the end (delta: -108.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-05-20 11:06:02,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.39ms. Allocated memory is still 295.7MB. Free memory was 263.5MB in the beginning and 261.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 11:06:02,229 INFO L158 Benchmark]: Boogie Preprocessor took 34.00ms. Allocated memory is still 295.7MB. Free memory was 261.4MB in the beginning and 259.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 11:06:02,229 INFO L158 Benchmark]: RCFGBuilder took 487.42ms. Allocated memory is still 295.7MB. Free memory was 259.9MB in the beginning and 242.0MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-05-20 11:06:02,230 INFO L158 Benchmark]: TraceAbstraction took 871947.65ms. Allocated memory was 295.7MB in the beginning and 790.6MB in the end (delta: 494.9MB). Free memory was 241.0MB in the beginning and 681.8MB in the end (delta: -440.8MB). Peak memory consumption was 487.8MB. Max. memory is 8.0GB. [2023-05-20 11:06:02,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 189.8MB. Free memory is still 143.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 333.13ms. Allocated memory was 189.8MB in the beginning and 295.7MB in the end (delta: 105.9MB). Free memory was 155.5MB in the beginning and 263.5MB in the end (delta: -108.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.39ms. Allocated memory is still 295.7MB. Free memory was 263.5MB in the beginning and 261.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.00ms. Allocated memory is still 295.7MB. Free memory was 261.4MB in the beginning and 259.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 487.42ms. Allocated memory is still 295.7MB. Free memory was 259.9MB in the beginning and 242.0MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 871947.65ms. Allocated memory was 295.7MB in the beginning and 790.6MB in the end (delta: 494.9MB). Free memory was 241.0MB in the beginning and 681.8MB in the end (delta: -440.8MB). Peak memory consumption was 487.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7879, independent: 7699, independent conditional: 2442, independent unconditional: 5257, dependent: 180, dependent conditional: 165, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7714, independent: 7699, independent conditional: 2442, independent unconditional: 5257, 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: 7714, independent: 7699, independent conditional: 2442, independent unconditional: 5257, 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: 7714, independent: 7699, independent conditional: 0, independent unconditional: 7699, 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: 7714, independent: 7699, independent conditional: 0, independent unconditional: 7699, 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: 7714, independent: 7699, independent conditional: 0, independent unconditional: 7699, 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: 4863, independent: 4848, independent conditional: 0, independent unconditional: 4848, 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: 4863, independent: 4848, independent conditional: 0, independent unconditional: 4848, 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: 149, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7714, independent: 2851, independent conditional: 0, independent unconditional: 2851, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4863, unknown conditional: 0, unknown unconditional: 4863] , Statistics on independence cache: Total cache size (in pairs): 4863, Positive cache size: 4848, Positive conditional cache size: 0, Positive unconditional cache size: 4848, 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: 165 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 304, Number of trivial persistent sets: 237, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5272, independent: 5257, independent conditional: 0, independent unconditional: 5257, 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: 7879, independent: 7699, independent conditional: 2442, independent unconditional: 5257, dependent: 180, dependent conditional: 165, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7714, independent: 7699, independent conditional: 2442, independent unconditional: 5257, 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: 7714, independent: 7699, independent conditional: 2442, independent unconditional: 5257, 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: 7714, independent: 7699, independent conditional: 0, independent unconditional: 7699, 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: 7714, independent: 7699, independent conditional: 0, independent unconditional: 7699, 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: 7714, independent: 7699, independent conditional: 0, independent unconditional: 7699, 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: 4863, independent: 4848, independent conditional: 0, independent unconditional: 4848, 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: 4863, independent: 4848, independent conditional: 0, independent unconditional: 4848, 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: 149, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7714, independent: 2851, independent conditional: 0, independent unconditional: 2851, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4863, unknown conditional: 0, unknown unconditional: 4863] , Statistics on independence cache: Total cache size (in pairs): 4863, Positive cache size: 4848, Positive conditional cache size: 0, Positive unconditional cache size: 4848, 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: 165 - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 185 with TraceHistMax 17,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1188966963] and IpTcStrategyModuleZ3 [1743774696]. - TimeoutResultAtElement [Line: 108]: 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 185 with TraceHistMax 17,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1188966963] and IpTcStrategyModuleZ3 [1743774696]. - TimeoutResultAtElement [Line: 106]: 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 185 with TraceHistMax 17,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1188966963] and IpTcStrategyModuleZ3 [1743774696]. - 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 185 with TraceHistMax 17,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1188966963] and IpTcStrategyModuleZ3 [1743774696]. - 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 185 with TraceHistMax 17,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1188966963] and IpTcStrategyModuleZ3 [1743774696]. - 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 185 with TraceHistMax 17,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1188966963] and IpTcStrategyModuleZ3 [1743774696]. - TimeoutResultAtElement [Line: 107]: 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 185 with TraceHistMax 17,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1188966963] and IpTcStrategyModuleZ3 [1743774696]. - 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: 871.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, 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, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 350 ConstructedInterpolants, 0 QuantifiedInterpolants, 1307 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 740/740 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