/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 03:01:29,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 03:01:29,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 03:01:29,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 03:01:29,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 03:01:29,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 03:01:29,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 03:01:29,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 03:01:29,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 03:01:29,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 03:01:29,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 03:01:29,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 03:01:29,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 03:01:29,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 03:01:29,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 03:01:29,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 03:01:29,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 03:01:29,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 03:01:29,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 03:01:29,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 03:01:29,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 03:01:29,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 03:01:29,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 03:01:29,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 03:01:29,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 03:01:29,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 03:01:29,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 03:01:29,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 03:01:29,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 03:01:29,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 03:01:29,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 03:01:29,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 03:01:29,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 03:01:29,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 03:01:29,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 03:01:29,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 03:01:29,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 03:01:29,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 03:01:29,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 03:01:29,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 03:01:29,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 03:01:29,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 03:01:29,851 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 03:01:29,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 03:01:29,851 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 03:01:29,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 03:01:29,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 03:01:29,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 03:01:29,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 03:01:29,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 03:01:29,855 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 03:01:29,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 03:01:29,855 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 03:01:29,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 03:01:29,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 03:01:29,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 03:01:29,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 03:01:29,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 03:01:29,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 03:01:29,856 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 03:01:29,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 03:01:29,856 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 03:01:29,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 03:01:29,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 03:01:29,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 03:01:29,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 03:01:29,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 03:01:29,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 03:01:29,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 03:01:29,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 03:01:29,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 03:01:29,858 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 03:01:29,858 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 03:01:29,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 03:01:29,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 03:01:29,858 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 03:01:29,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 03:01:29,858 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 03:01:29,858 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-04 03:01:30,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 03:01:30,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 03:01:30,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 03:01:30,068 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 03:01:30,071 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 03:01:30,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-05-04 03:01:30,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a66356e4c/959b7fedf8ce4b12809de738d0eb6bc2/FLAGb7528cdcd [2023-05-04 03:01:30,504 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 03:01:30,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-05-04 03:01:30,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a66356e4c/959b7fedf8ce4b12809de738d0eb6bc2/FLAGb7528cdcd [2023-05-04 03:01:30,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a66356e4c/959b7fedf8ce4b12809de738d0eb6bc2 [2023-05-04 03:01:30,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 03:01:30,522 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 03:01:30,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 03:01:30,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 03:01:30,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 03:01:30,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:01:30" (1/1) ... [2023-05-04 03:01:30,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66820ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:01:30, skipping insertion in model container [2023-05-04 03:01:30,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:01:30" (1/1) ... [2023-05-04 03:01:30,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 03:01:30,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 03:01:30,703 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/mult-comm.wvr.c[1910,1923] [2023-05-04 03:01:30,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 03:01:30,711 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 03:01:30,723 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/mult-comm.wvr.c[1910,1923] [2023-05-04 03:01:30,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 03:01:30,731 INFO L208 MainTranslator]: Completed translation [2023-05-04 03:01:30,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:01:30 WrapperNode [2023-05-04 03:01:30,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 03:01:30,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 03:01:30,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 03:01:30,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 03:01:30,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:01:30" (1/1) ... [2023-05-04 03:01:30,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:01:30" (1/1) ... [2023-05-04 03:01:30,751 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2023-05-04 03:01:30,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 03:01:30,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 03:01:30,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 03:01:30,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 03:01:30,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:01:30" (1/1) ... [2023-05-04 03:01:30,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:01:30" (1/1) ... [2023-05-04 03:01:30,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:01:30" (1/1) ... [2023-05-04 03:01:30,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:01:30" (1/1) ... [2023-05-04 03:01:30,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:01:30" (1/1) ... [2023-05-04 03:01:30,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:01:30" (1/1) ... [2023-05-04 03:01:30,764 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:01:30" (1/1) ... [2023-05-04 03:01:30,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:01:30" (1/1) ... [2023-05-04 03:01:30,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 03:01:30,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 03:01:30,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 03:01:30,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 03:01:30,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:01:30" (1/1) ... [2023-05-04 03:01:30,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 03:01:30,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:01:30,788 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 03:01:30,792 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 03:01:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 03:01:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 03:01:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 03:01:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 03:01:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 03:01:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 03:01:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 03:01:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 03:01:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 03:01:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 03:01:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 03:01:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 03:01:30,823 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 03:01:30,943 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 03:01:30,945 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 03:01:31,100 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 03:01:31,105 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 03:01:31,106 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 03:01:31,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:01:31 BoogieIcfgContainer [2023-05-04 03:01:31,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 03:01:31,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 03:01:31,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 03:01:31,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 03:01:31,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 03:01:30" (1/3) ... [2023-05-04 03:01:31,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dbe953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:01:31, skipping insertion in model container [2023-05-04 03:01:31,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:01:30" (2/3) ... [2023-05-04 03:01:31,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dbe953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:01:31, skipping insertion in model container [2023-05-04 03:01:31,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:01:31" (3/3) ... [2023-05-04 03:01:31,115 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2023-05-04 03:01:31,121 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 03:01:31,128 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 03:01:31,129 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 03:01:31,129 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 03:01:31,196 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 03:01:31,236 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 03:01:31,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 03:01:31,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:01:31,239 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 03:01:31,241 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 03:01:31,279 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 03:01:31,302 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 03:01:31,309 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;@17de20a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 03:01:31,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 03:01:31,424 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:01:31,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:01:31,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1108870383, now seen corresponding path program 1 times [2023-05-04 03:01:31,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:01:31,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972155100] [2023-05-04 03:01:31,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:01:31,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:01:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:01:31,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:01:31,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:01:31,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972155100] [2023-05-04 03:01:31,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972155100] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:01:31,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:01:31,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 03:01:31,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558439767] [2023-05-04 03:01:31,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:01:31,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 03:01:31,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:01:31,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 03:01:31,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 03:01:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:01:31,661 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:01:31,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 03:01:31,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:01:31,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:01:31,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 03:01:31,701 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:01:31,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:01:31,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1976860017, now seen corresponding path program 1 times [2023-05-04 03:01:31,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:01:31,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609589063] [2023-05-04 03:01:31,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:01:31,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:01:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:01:32,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:01:32,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:01:32,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609589063] [2023-05-04 03:01:32,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609589063] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:01:32,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:01:32,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 03:01:32,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350229733] [2023-05-04 03:01:32,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:01:32,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 03:01:32,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:01:32,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 03:01:32,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 03:01:32,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:01:32,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:01:32,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 03:01:32,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:01:32,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:01:32,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:01:32,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 03:01:32,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 03:01:32,197 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:01:32,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:01:32,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1092304745, now seen corresponding path program 1 times [2023-05-04 03:01:32,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:01:32,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702503181] [2023-05-04 03:01:32,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:01:32,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:01:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:01:32,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:01:32,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:01:32,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702503181] [2023-05-04 03:01:32,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702503181] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:01:32,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752538247] [2023-05-04 03:01:32,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:01:32,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:01:32,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:01:32,533 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 03:01:32,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 03:01:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:01:32,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 03:01:32,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:01:32,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:01:32,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:01:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:01:33,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752538247] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:01:33,382 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:01:33,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 13 [2023-05-04 03:01:33,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581800704] [2023-05-04 03:01:33,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:01:33,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-04 03:01:33,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:01:33,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-04 03:01:33,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-05-04 03:01:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:01:33,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:01:33,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 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 03:01:33,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:01:33,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 03:01:33,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:01:33,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:01:33,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:01:33,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 03:01:33,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 03:01:33,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-04 03:01:33,859 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:01:33,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:01:33,859 INFO L85 PathProgramCache]: Analyzing trace with hash 772709785, now seen corresponding path program 1 times [2023-05-04 03:01:33,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:01:33,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308546868] [2023-05-04 03:01:33,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:01:33,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:01:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:01:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:01:35,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:01:35,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308546868] [2023-05-04 03:01:35,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308546868] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:01:35,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885292455] [2023-05-04 03:01:35,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:01:35,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:01:35,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:01:35,013 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 03:01:35,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 03:01:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:01:35,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 29 conjunts are in the unsatisfiable core [2023-05-04 03:01:35,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:01:35,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:01:35,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:01:42,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:01:42,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885292455] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:01:42,952 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:01:42,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 17] total 39 [2023-05-04 03:01:42,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878365310] [2023-05-04 03:01:42,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:01:42,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-05-04 03:01:42,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:01:42,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-05-04 03:01:42,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1261, Unknown=0, NotChecked=0, Total=1482 [2023-05-04 03:01:42,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:01:42,955 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:01:42,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.358974358974359) internal successors, (131), 39 states have internal predecessors, (131), 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 03:01:42,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:01:42,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:01:42,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 03:01:42,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:01:56,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:01:56,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:01:56,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 03:01:56,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-04 03:01:56,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 03:01:56,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:01:56,445 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:01:56,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:01:56,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1009426919, now seen corresponding path program 2 times [2023-05-04 03:01:56,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:01:56,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371534277] [2023-05-04 03:01:56,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:01:56,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:01:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:02:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:02:05,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:02:05,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371534277] [2023-05-04 03:02:05,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371534277] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:02:05,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003793498] [2023-05-04 03:02:05,359 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 03:02:05,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:02:05,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:02:05,360 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 03:02:05,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 03:02:05,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 03:02:05,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:02:05,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 41 conjunts are in the unsatisfiable core [2023-05-04 03:02:05,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:02:08,160 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:02:08,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:05:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:05:36,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003793498] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:05:36,866 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:05:36,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 18, 24] total 54 [2023-05-04 03:05:36,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139921009] [2023-05-04 03:05:36,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:05:36,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-04 03:05:36,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:05:36,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-04 03:05:36,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=2512, Unknown=84, NotChecked=0, Total=2862 [2023-05-04 03:05:36,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:05:36,869 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:05:36,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.0) internal successors, (162), 54 states have internal predecessors, (162), 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 03:05:36,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:05:36,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:05:36,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 03:05:36,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-04 03:05:36,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:05:54,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 03:06:06,776 WARN L233 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 92 DAG size of output: 90 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 03:07:00,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 03:07:07,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 03:07:40,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 03:07:51,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 03:07:57,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 03:07:59,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 03:08:01,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 03:08:33,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 03:09:07,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 03:11:56,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:11:56,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:11:56,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 03:11:56,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-04 03:11:56,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-04 03:11:56,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-04 03:11:56,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:11:56,324 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:11:56,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:11:56,324 INFO L85 PathProgramCache]: Analyzing trace with hash 929501059, now seen corresponding path program 3 times [2023-05-04 03:11:56,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:11:56,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300856545] [2023-05-04 03:11:56,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:11:56,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:11:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:11:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:11:58,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:11:58,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300856545] [2023-05-04 03:11:58,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300856545] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:11:58,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787938483] [2023-05-04 03:11:58,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 03:11:58,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:11:58,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:11:58,902 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 03:11:58,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 03:11:59,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-04 03:11:59,547 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:11:59,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 60 conjunts are in the unsatisfiable core [2023-05-04 03:11:59,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:12:10,203 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:12:10,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:15:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:15:40,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787938483] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:15:40,841 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:15:40,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 34, 34] total 85 [2023-05-04 03:15:40,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657988448] [2023-05-04 03:15:40,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:15:40,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2023-05-04 03:15:40,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:15:40,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2023-05-04 03:15:40,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=396, Invalid=6668, Unknown=76, NotChecked=0, Total=7140 [2023-05-04 03:15:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:15:40,844 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:15:40,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.364705882352941) internal successors, (201), 85 states have internal predecessors, (201), 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 03:15:40,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:15:40,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:15:40,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 03:15:40,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-04 03:15:40,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-04 03:15:40,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:16:00,407 WARN L233 SmtUtils]: Spent 18.39s on a formula simplification. DAG size of input: 117 DAG size of output: 115 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 03:16:03,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-05-04 03:16:05,336 WARN L249 SmtUtils]: Removed 3 from assertion stack [2023-05-04 03:16:05,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 03:16:05,342 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 03:16:05,342 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 03:16:05,354 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 03:16:05,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:16:05,537 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 114 for 15ms.. [2023-05-04 03:16:05,539 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 03:16:05,539 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 03:16:05,539 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 03:16:05,542 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2023-05-04 03:16:05,544 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 03:16:05,544 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 03:16:05,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 03:16:05 BasicIcfg [2023-05-04 03:16:05,545 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 03:16:05,546 INFO L158 Benchmark]: Toolchain (without parser) took 875023.96ms. Allocated memory was 282.1MB in the beginning and 406.8MB in the end (delta: 124.8MB). Free memory was 254.5MB in the beginning and 206.3MB in the end (delta: 48.2MB). Peak memory consumption was 173.0MB. Max. memory is 8.0GB. [2023-05-04 03:16:05,546 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 03:16:05,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.24ms. Allocated memory is still 282.1MB. Free memory was 254.5MB in the beginning and 250.8MB in the end (delta: 3.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-05-04 03:16:05,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.13ms. Allocated memory is still 282.1MB. Free memory was 250.8MB in the beginning and 249.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 03:16:05,546 INFO L158 Benchmark]: Boogie Preprocessor took 14.40ms. Allocated memory is still 282.1MB. Free memory was 249.3MB in the beginning and 247.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 03:16:05,547 INFO L158 Benchmark]: RCFGBuilder took 340.13ms. Allocated memory is still 282.1MB. Free memory was 247.7MB in the beginning and 235.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-05-04 03:16:05,547 INFO L158 Benchmark]: TraceAbstraction took 874436.43ms. Allocated memory was 282.1MB in the beginning and 406.8MB in the end (delta: 124.8MB). Free memory was 234.1MB in the beginning and 206.3MB in the end (delta: 27.8MB). Peak memory consumption was 153.1MB. Max. memory is 8.0GB. [2023-05-04 03:16:05,548 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 208.24ms. Allocated memory is still 282.1MB. Free memory was 254.5MB in the beginning and 250.8MB in the end (delta: 3.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.13ms. Allocated memory is still 282.1MB. Free memory was 250.8MB in the beginning and 249.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.40ms. Allocated memory is still 282.1MB. Free memory was 249.3MB in the beginning and 247.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 340.13ms. Allocated memory is still 282.1MB. Free memory was 247.7MB in the beginning and 235.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 874436.43ms. Allocated memory was 282.1MB in the beginning and 406.8MB in the end (delta: 124.8MB). Free memory was 234.1MB in the beginning and 206.3MB in the end (delta: 27.8MB). Peak memory consumption was 153.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1627, independent: 1433, independent conditional: 778, independent unconditional: 655, dependent: 194, dependent conditional: 190, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1437, independent: 1433, independent conditional: 778, independent unconditional: 655, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1437, independent: 1433, independent conditional: 778, independent unconditional: 655, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1437, independent: 1433, independent conditional: 0, independent unconditional: 1433, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1437, independent: 1433, independent conditional: 0, independent unconditional: 1433, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1437, independent: 1433, independent conditional: 0, independent unconditional: 1433, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 615, independent: 611, independent conditional: 0, independent unconditional: 611, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 615, independent: 610, independent conditional: 0, independent unconditional: 610, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1437, independent: 822, independent conditional: 0, independent unconditional: 822, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 615, unknown conditional: 0, unknown unconditional: 615] , Statistics on independence cache: Total cache size (in pairs): 615, Positive cache size: 611, Positive conditional cache size: 0, Positive unconditional cache size: 611, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, 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: 190 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 83, Number of trivial persistent sets: 69, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 659, independent: 655, independent conditional: 0, independent unconditional: 655, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1627, independent: 1433, independent conditional: 778, independent unconditional: 655, dependent: 194, dependent conditional: 190, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1437, independent: 1433, independent conditional: 778, independent unconditional: 655, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1437, independent: 1433, independent conditional: 778, independent unconditional: 655, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1437, independent: 1433, independent conditional: 0, independent unconditional: 1433, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1437, independent: 1433, independent conditional: 0, independent unconditional: 1433, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1437, independent: 1433, independent conditional: 0, independent unconditional: 1433, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 615, independent: 611, independent conditional: 0, independent unconditional: 611, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 615, independent: 610, independent conditional: 0, independent unconditional: 610, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1437, independent: 822, independent conditional: 0, independent unconditional: 822, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 615, unknown conditional: 0, unknown unconditional: 615] , Statistics on independence cache: Total cache size (in pairs): 615, Positive cache size: 611, Positive conditional cache size: 0, Positive unconditional cache size: 611, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, 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: 190 - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 114 for 15ms.. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 114 for 15ms.. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 114 for 15ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 874.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 417.5s, 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: 199, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 454.4s InterpolantComputationTime, 690 NumberOfCodeBlocks, 690 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 966 ConstructedInterpolants, 66 QuantifiedInterpolants, 24990 SizeOfPredicates, 53 NumberOfNonLiveVariables, 652 ConjunctsInSsa, 146 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 9/252 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