/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_86-lists_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 16:28:43,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 16:28:43,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 16:28:43,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-20 16:28:43,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 16:28:43,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 16:28:43,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 16:28:43,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 16:28:43,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 16:28:43,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 16:28:43,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 16:28:43,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 16:28:43,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 16:28:43,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 16:28:43,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 16:28:43,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 16:28:43,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 16:28:43,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 16:28:43,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 16:28:43,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 16:28:43,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 16:28:43,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2023-05-20 16:28:43,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 16:28:43,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 16:28:43,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 16:28:43,778 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 16:28:43,805 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 16:28:43,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 16:28:43,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 16:28:43,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 16:28:43,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 16:28:43,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 16:28:43,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 16:28:43,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 16:28:43,807 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 16:28:43,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 16:28:43,808 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 16:28:43,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 16:28:43,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 16:28:43,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 16:28:43,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 16:28:43,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 16:28:43,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 16:28:43,808 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 16:28:43,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 16:28:43,808 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 16:28:43,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 16:28:43,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 16:28:43,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 16:28:43,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 16:28:43,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 16:28:43,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 16:28:43,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 16:28:43,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 16:28:43,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 16:28:43,810 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 16:28:43,810 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 16:28:43,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 16:28:43,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 16:28:43,810 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 16:28:43,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 16:28:43,811 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 16:28:43,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 16:28:43,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 16:28:43,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 16:28:43,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 16:28:43,987 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 16:28:43,987 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 16:28:43,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_86-lists_racing.i [2023-05-20 16:28:44,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ea591159/148d43b74f6d4c69a78b3a82817a27ca/FLAGc52fc3da4 [2023-05-20 16:28:44,541 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 16:28:44,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_86-lists_racing.i [2023-05-20 16:28:44,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ea591159/148d43b74f6d4c69a78b3a82817a27ca/FLAGc52fc3da4 [2023-05-20 16:28:45,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ea591159/148d43b74f6d4c69a78b3a82817a27ca [2023-05-20 16:28:45,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 16:28:45,040 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 16:28:45,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 16:28:45,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 16:28:45,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 16:28:45,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:28:45" (1/1) ... [2023-05-20 16:28:45,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a1ff93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:45, skipping insertion in model container [2023-05-20 16:28:45,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:28:45" (1/1) ... [2023-05-20 16:28:45,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 16:28:45,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 16:28:45,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_86-lists_racing.i[47038,47051] [2023-05-20 16:28:45,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 16:28:45,547 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 16:28:45,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_86-lists_racing.i[47038,47051] [2023-05-20 16:28:45,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 16:28:45,638 INFO L208 MainTranslator]: Completed translation [2023-05-20 16:28:45,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:45 WrapperNode [2023-05-20 16:28:45,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 16:28:45,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 16:28:45,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 16:28:45,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 16:28:45,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:45" (1/1) ... [2023-05-20 16:28:45,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:45" (1/1) ... [2023-05-20 16:28:45,683 INFO L138 Inliner]: procedures = 278, calls = 60, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 227 [2023-05-20 16:28:45,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 16:28:45,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 16:28:45,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 16:28:45,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 16:28:45,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:45" (1/1) ... [2023-05-20 16:28:45,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:45" (1/1) ... [2023-05-20 16:28:45,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:45" (1/1) ... [2023-05-20 16:28:45,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:45" (1/1) ... [2023-05-20 16:28:45,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:45" (1/1) ... [2023-05-20 16:28:45,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:45" (1/1) ... [2023-05-20 16:28:45,721 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:45" (1/1) ... [2023-05-20 16:28:45,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:45" (1/1) ... [2023-05-20 16:28:45,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 16:28:45,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 16:28:45,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 16:28:45,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 16:28:45,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:45" (1/1) ... [2023-05-20 16:28:45,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 16:28:45,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:28:45,749 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 16:28:45,758 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 16:28:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 16:28:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-05-20 16:28:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-05-20 16:28:45,780 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-05-20 16:28:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 16:28:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 16:28:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-05-20 16:28:45,780 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-05-20 16:28:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 16:28:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-20 16:28:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 16:28:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 16:28:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-05-20 16:28:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 16:28:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 16:28:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 16:28:45,782 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 16:28:45,915 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 16:28:45,917 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 16:28:46,254 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 16:28:46,260 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 16:28:46,260 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2023-05-20 16:28:46,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:28:46 BoogieIcfgContainer [2023-05-20 16:28:46,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 16:28:46,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 16:28:46,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 16:28:46,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 16:28:46,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 04:28:45" (1/3) ... [2023-05-20 16:28:46,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d8db5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:28:46, skipping insertion in model container [2023-05-20 16:28:46,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:45" (2/3) ... [2023-05-20 16:28:46,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d8db5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:28:46, skipping insertion in model container [2023-05-20 16:28:46,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:28:46" (3/3) ... [2023-05-20 16:28:46,271 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_86-lists_racing.i [2023-05-20 16:28:46,276 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 16:28:46,283 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 16:28:46,283 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 16:28:46,283 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 16:28:46,395 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-05-20 16:28:46,437 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:28:46,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 16:28:46,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:28:46,442 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 16:28:46,443 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 16:28:46,476 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 16:28:46,488 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork0 ======== [2023-05-20 16:28:46,492 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;@5e357095, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:28:46,493 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-20 16:28:50,985 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:28:50,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:28:50,989 INFO L85 PathProgramCache]: Analyzing trace with hash 650016677, now seen corresponding path program 1 times [2023-05-20 16:28:50,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:28:50,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861061940] [2023-05-20 16:28:50,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:28:50,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:28:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:28:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 16:28:51,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:28:51,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861061940] [2023-05-20 16:28:51,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861061940] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:28:51,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:28:51,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 16:28:51,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716705832] [2023-05-20 16:28:51,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:28:51,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 16:28:51,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:28:51,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 16:28:51,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 16:28:51,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:28:51,290 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:28:51,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 16:28:51,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:28:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:28:51,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 16:28:51,362 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:28:51,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:28:51,363 INFO L85 PathProgramCache]: Analyzing trace with hash 2123620470, now seen corresponding path program 1 times [2023-05-20 16:28:51,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:28:51,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384236517] [2023-05-20 16:28:51,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:28:51,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:28:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:28:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 16:28:51,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:28:51,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384236517] [2023-05-20 16:28:51,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384236517] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:28:51,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581675061] [2023-05-20 16:28:51,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:28:51,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:28:51,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:28:51,685 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) [2023-05-20 16:28:51,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 16:28:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:28:51,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 2 conjunts are in the unsatisfiable core [2023-05-20 16:28:51,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:28:51,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 16:28:51,950 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 16:28:51,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581675061] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:28:51,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 16:28:51,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-05-20 16:28:51,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672010403] [2023-05-20 16:28:51,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:28:51,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 16:28:51,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:28:51,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 16:28:51,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 16:28:51,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:28:51,956 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:28:51,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 16:28:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:28:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:28:52,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:28:52,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:28:52,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 16:28:52,260 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,SelfDestructingSolverStorable1 [2023-05-20 16:28:52,260 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:28:52,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:28:52,261 INFO L85 PathProgramCache]: Analyzing trace with hash 779916531, now seen corresponding path program 1 times [2023-05-20 16:28:52,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:28:52,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840733248] [2023-05-20 16:28:52,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:28:52,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:28:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:28:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 16:28:52,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:28:52,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840733248] [2023-05-20 16:28:52,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840733248] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:28:52,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073842269] [2023-05-20 16:28:52,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:28:52,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:28:52,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:28:52,500 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) [2023-05-20 16:28:52,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 16:28:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:28:52,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-20 16:28:52,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:28:52,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 16:28:52,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:28:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 16:28:52,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073842269] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 16:28:52,785 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 16:28:52,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-05-20 16:28:52,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434943407] [2023-05-20 16:28:52,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 16:28:52,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-20 16:28:52,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:28:52,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-20 16:28:52,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-20 16:28:52,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:28:52,787 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:28:52,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.4) internal successors, (194), 10 states have internal predecessors, (194), 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 16:28:52,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:28:52,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:28:52,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:28:52,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:28:52,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:28:52,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:28:52,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 16:28:53,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:28:53,081 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:28:53,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:28:53,082 INFO L85 PathProgramCache]: Analyzing trace with hash -692547089, now seen corresponding path program 2 times [2023-05-20 16:28:53,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:28:53,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460679999] [2023-05-20 16:28:53,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:28:53,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:28:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:28:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-05-20 16:28:53,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:28:53,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460679999] [2023-05-20 16:28:53,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460679999] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:28:53,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356279294] [2023-05-20 16:28:53,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 16:28:53,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:28:53,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:28:53,268 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) [2023-05-20 16:28:53,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 16:28:53,431 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 16:28:53,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 16:28:53,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 16:28:53,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:28:53,529 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 16:28:53,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:28:53,632 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 16:28:53,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356279294] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 16:28:53,632 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 16:28:53,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2023-05-20 16:28:53,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257149585] [2023-05-20 16:28:53,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 16:28:53,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 16:28:53,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:28:53,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 16:28:53,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2023-05-20 16:28:53,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:28:53,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:28:53,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 16.05263157894737) internal successors, (305), 19 states have internal predecessors, (305), 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 16:28:53,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:28:53,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:28:53,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:28:53,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:29:02,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:29:02,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:29:02,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:29:02,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 16:29:02,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-20 16:29:02,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 16:29:02,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:29:02,755 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2023-05-20 16:29:02,756 INFO L307 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork0 was SAFE (1/2) [2023-05-20 16:29:02,759 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:29:02,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 16:29:02,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:29:02,761 INFO L229 MonitoredProcess]: Starting monitored process 6 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 16:29:02,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2023-05-20 16:29:02,765 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 16:29:02,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 16:29:02,767 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;@5e357095, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:29:02,767 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-20 16:29:07,040 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:29:07,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:29:07,040 INFO L85 PathProgramCache]: Analyzing trace with hash -765500711, now seen corresponding path program 1 times [2023-05-20 16:29:07,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:29:07,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045013235] [2023-05-20 16:29:07,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:29:07,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:29:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:29:07,077 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 16:29:07,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:29:07,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045013235] [2023-05-20 16:29:07,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045013235] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:29:07,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:29:07,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 16:29:07,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52893749] [2023-05-20 16:29:07,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:29:07,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 16:29:07,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:29:07,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 16:29:07,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 16:29:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:29:07,078 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:29:07,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 16:29:07,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:29:07,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:29:07,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 16:29:07,088 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:29:07,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:29:07,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1706533275, now seen corresponding path program 1 times [2023-05-20 16:29:07,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:29:07,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693181089] [2023-05-20 16:29:07,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:29:07,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:29:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:29:07,157 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 16:29:07,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:29:07,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693181089] [2023-05-20 16:29:07,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693181089] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:29:07,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178878051] [2023-05-20 16:29:07,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:29:07,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:29:07,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:29:07,174 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 16:29:07,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 16:29:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:29:07,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-20 16:29:07,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:29:07,324 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 16:29:07,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:29:07,352 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 16:29:07,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178878051] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 16:29:07,352 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 16:29:07,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-05-20 16:29:07,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001283937] [2023-05-20 16:29:07,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 16:29:07,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-20 16:29:07,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:29:07,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-20 16:29:07,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-20 16:29:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:29:07,353 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:29:07,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 10 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 16:29:07,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:29:07,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:29:07,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:29:07,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:29:07,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 16:29:07,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:29:07,613 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:29:07,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:29:07,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1575670559, now seen corresponding path program 2 times [2023-05-20 16:29:07,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:29:07,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155617076] [2023-05-20 16:29:07,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:29:07,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:29:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:29:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 16:29:07,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:29:07,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155617076] [2023-05-20 16:29:07,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155617076] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:29:07,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612960974] [2023-05-20 16:29:07,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 16:29:07,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:29:07,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:29:07,833 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 16:29:07,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 16:29:08,002 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 16:29:08,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 16:29:08,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 16:29:08,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:29:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 16:29:08,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:29:08,162 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 16:29:08,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612960974] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 16:29:08,162 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 16:29:08,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-05-20 16:29:08,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767032770] [2023-05-20 16:29:08,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 16:29:08,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-20 16:29:08,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:29:08,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-20 16:29:08,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-05-20 16:29:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:29:08,165 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:29:08,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.722222222222221) internal successors, (193), 18 states have internal predecessors, (193), 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 16:29:08,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:29:08,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:29:08,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:29:08,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:29:08,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:29:08,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 16:29:08,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 16:29:08,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:29:08,525 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:29:08,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:29:08,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1791228377, now seen corresponding path program 3 times [2023-05-20 16:29:08,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:29:08,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921781330] [2023-05-20 16:29:08,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:29:08,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:29:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:29:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 343 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 16:29:08,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:29:08,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921781330] [2023-05-20 16:29:08,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921781330] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:29:08,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092535698] [2023-05-20 16:29:08,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 16:29:08,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:29:08,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:29:08,988 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 16:29:09,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process Received shutdown request... [2023-05-20 16:43:33,921 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 16:43:33,934 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 16:43:33,947 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 16:43:33,951 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 16:43:34,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-05-20 16:43:34,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Forceful destruction successful, exit code 0 [2023-05-20 16:43:34,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-20 16:43:35,148 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forcibly destroying the process [2023-05-20 16:43:35,180 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-20 16:43:35,180 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-05-20 16:43:35,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2023-05-20 16:43:35,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704878799] [2023-05-20 16:43:35,181 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-05-20 16:43:35,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-05-20 16:43:35,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:43:35,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-05-20 16:43:35,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-05-20 16:43:35,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:43:35,182 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:43:35,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.235294117647058) internal successors, (191), 17 states have internal predecessors, (191), 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 16:43:35,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:43:35,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:43:35,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 16:43:35,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:43:35,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-05-20 16:43:35,183 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-05-20 16:43:35,183 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-05-20 16:43:35,183 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-05-20 16:43:35,184 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2023-05-20 16:43:35,184 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT,TIMEOUT (2/2) [2023-05-20 16:43:35,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 137 [2023-05-20 16:43:35,199 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 16:43:35,199 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 16:43:35,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 04:43:35 BasicIcfg [2023-05-20 16:43:35,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 16:43:35,203 INFO L158 Benchmark]: Toolchain (without parser) took 890162.80ms. Allocated memory was 210.8MB in the beginning and 411.0MB in the end (delta: 200.3MB). Free memory was 145.1MB in the beginning and 292.1MB in the end (delta: -147.0MB). Peak memory consumption was 52.5MB. Max. memory is 8.0GB. [2023-05-20 16:43:35,204 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 210.8MB. Free memory was 164.4MB in the beginning and 164.3MB in the end (delta: 118.6kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 16:43:35,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.60ms. Allocated memory was 210.8MB in the beginning and 341.8MB in the end (delta: 131.1MB). Free memory was 144.9MB in the beginning and 282.1MB in the end (delta: -137.2MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. [2023-05-20 16:43:35,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.67ms. Allocated memory is still 341.8MB. Free memory was 281.6MB in the beginning and 279.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 16:43:35,204 INFO L158 Benchmark]: Boogie Preprocessor took 40.53ms. Allocated memory is still 341.8MB. Free memory was 279.0MB in the beginning and 276.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 16:43:35,204 INFO L158 Benchmark]: RCFGBuilder took 536.79ms. Allocated memory is still 341.8MB. Free memory was 276.4MB in the beginning and 252.2MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-05-20 16:43:35,204 INFO L158 Benchmark]: TraceAbstraction took 888939.18ms. Allocated memory was 341.8MB in the beginning and 411.0MB in the end (delta: 69.2MB). Free memory was 251.2MB in the beginning and 292.1MB in the end (delta: -40.9MB). Peak memory consumption was 28.9MB. Max. memory is 8.0GB. [2023-05-20 16:43:35,206 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 210.8MB. Free memory was 164.4MB in the beginning and 164.3MB in the end (delta: 118.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 596.60ms. Allocated memory was 210.8MB in the beginning and 341.8MB in the end (delta: 131.1MB). Free memory was 144.9MB in the beginning and 282.1MB in the end (delta: -137.2MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.67ms. Allocated memory is still 341.8MB. Free memory was 281.6MB in the beginning and 279.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.53ms. Allocated memory is still 341.8MB. Free memory was 279.0MB in the beginning and 276.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 536.79ms. Allocated memory is still 341.8MB. Free memory was 276.4MB in the beginning and 252.2MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 888939.18ms. Allocated memory was 341.8MB in the beginning and 411.0MB in the end (delta: 69.2MB). Free memory was 251.2MB in the beginning and 292.1MB in the end (delta: -40.9MB). Peak memory consumption was 28.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13546, independent: 13001, independent conditional: 1122, independent unconditional: 11879, dependent: 533, dependent conditional: 476, dependent unconditional: 57, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13072, independent: 13001, independent conditional: 1122, independent unconditional: 11879, dependent: 59, dependent conditional: 2, dependent unconditional: 57, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13072, independent: 13001, independent conditional: 1122, independent unconditional: 11879, dependent: 59, dependent conditional: 2, dependent unconditional: 57, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13078, independent: 13001, independent conditional: 0, independent unconditional: 13001, dependent: 61, dependent conditional: 2, dependent unconditional: 59, unknown: 16, unknown conditional: 4, unknown unconditional: 12] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13078, independent: 13001, independent conditional: 0, independent unconditional: 13001, dependent: 61, dependent conditional: 2, dependent unconditional: 59, unknown: 16, unknown conditional: 4, unknown unconditional: 12] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13078, independent: 13001, independent conditional: 0, independent unconditional: 13001, dependent: 61, dependent conditional: 2, dependent unconditional: 59, unknown: 16, unknown conditional: 4, unknown unconditional: 12] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10924, independent: 10853, independent conditional: 0, independent unconditional: 10853, dependent: 59, dependent conditional: 2, dependent unconditional: 57, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10924, independent: 10825, independent conditional: 0, independent unconditional: 10825, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 99, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 59, dependent conditional: 2, dependent unconditional: 57, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 99, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 59, dependent conditional: 2, dependent unconditional: 57, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12949, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 226, dependent conditional: 4, dependent unconditional: 222, unknown: 12611, unknown conditional: 4103, unknown unconditional: 8508] , Protected Queries: 0 ], Cache Queries: [ total: 13078, independent: 2148, independent conditional: 0, independent unconditional: 2148, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 10928, unknown conditional: 6, unknown unconditional: 10922] , Statistics on independence cache: Total cache size (in pairs): 10912, Positive cache size: 10853, Positive conditional cache size: 0, Positive unconditional cache size: 10853, Negative cache size: 59, Negative conditional cache size: 2, Negative unconditional cache size: 57, Unknown cache size: 12, Unknown conditional cache size: 4, Unknown unconditional cache size: 8, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 474 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 9.0s, Number of persistent set computation: 498, Number of trivial persistent sets: 442, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11944, independent: 11879, independent conditional: 0, independent unconditional: 11879, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13546, independent: 13001, independent conditional: 1122, independent unconditional: 11879, dependent: 533, dependent conditional: 476, dependent unconditional: 57, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13072, independent: 13001, independent conditional: 1122, independent unconditional: 11879, dependent: 59, dependent conditional: 2, dependent unconditional: 57, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13072, independent: 13001, independent conditional: 1122, independent unconditional: 11879, dependent: 59, dependent conditional: 2, dependent unconditional: 57, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13078, independent: 13001, independent conditional: 0, independent unconditional: 13001, dependent: 61, dependent conditional: 2, dependent unconditional: 59, unknown: 16, unknown conditional: 4, unknown unconditional: 12] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13078, independent: 13001, independent conditional: 0, independent unconditional: 13001, dependent: 61, dependent conditional: 2, dependent unconditional: 59, unknown: 16, unknown conditional: 4, unknown unconditional: 12] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13078, independent: 13001, independent conditional: 0, independent unconditional: 13001, dependent: 61, dependent conditional: 2, dependent unconditional: 59, unknown: 16, unknown conditional: 4, unknown unconditional: 12] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10924, independent: 10853, independent conditional: 0, independent unconditional: 10853, dependent: 59, dependent conditional: 2, dependent unconditional: 57, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10924, independent: 10825, independent conditional: 0, independent unconditional: 10825, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 99, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 59, dependent conditional: 2, dependent unconditional: 57, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 99, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 59, dependent conditional: 2, dependent unconditional: 57, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12949, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 226, dependent conditional: 4, dependent unconditional: 222, unknown: 12611, unknown conditional: 4103, unknown unconditional: 8508] , Protected Queries: 0 ], Cache Queries: [ total: 13078, independent: 2148, independent conditional: 0, independent unconditional: 2148, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 10928, unknown conditional: 6, unknown unconditional: 10922] , Statistics on independence cache: Total cache size (in pairs): 10912, Positive cache size: 10853, Positive conditional cache size: 0, Positive unconditional cache size: 10853, Negative cache size: 59, Negative conditional cache size: 2, Negative unconditional cache size: 57, Unknown cache size: 12, Unknown conditional cache size: 4, Unknown unconditional cache size: 8, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 474 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4786, independent: 4509, independent conditional: 128, independent unconditional: 4381, dependent: 273, dependent conditional: 261, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4525, independent: 4509, independent conditional: 128, independent unconditional: 4381, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4525, independent: 4509, independent conditional: 128, independent unconditional: 4381, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4525, independent: 4509, independent conditional: 0, independent unconditional: 4509, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4525, independent: 4509, independent conditional: 0, independent unconditional: 4509, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4525, independent: 4509, independent conditional: 0, independent unconditional: 4509, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4397, independent: 4381, independent conditional: 0, independent unconditional: 4381, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4397, independent: 4366, independent conditional: 0, independent unconditional: 4366, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4251, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 4146, unknown conditional: 0, unknown unconditional: 4146] , Protected Queries: 0 ], Cache Queries: [ total: 4525, independent: 128, independent conditional: 0, independent unconditional: 128, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4397, unknown conditional: 0, unknown unconditional: 4397] , Statistics on independence cache: Total cache size (in pairs): 4393, Positive cache size: 4381, Positive conditional cache size: 0, Positive unconditional cache size: 4381, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 261 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 4.3s, Number of persistent set computation: 98, Number of trivial persistent sets: 98, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4397, independent: 4381, independent conditional: 0, independent unconditional: 4381, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4786, independent: 4509, independent conditional: 128, independent unconditional: 4381, dependent: 273, dependent conditional: 261, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4525, independent: 4509, independent conditional: 128, independent unconditional: 4381, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4525, independent: 4509, independent conditional: 128, independent unconditional: 4381, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4525, independent: 4509, independent conditional: 0, independent unconditional: 4509, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4525, independent: 4509, independent conditional: 0, independent unconditional: 4509, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4525, independent: 4509, independent conditional: 0, independent unconditional: 4509, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4397, independent: 4381, independent conditional: 0, independent unconditional: 4381, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4397, independent: 4366, independent conditional: 0, independent unconditional: 4366, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4251, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 4146, unknown conditional: 0, unknown unconditional: 4146] , Protected Queries: 0 ], Cache Queries: [ total: 4525, independent: 128, independent conditional: 0, independent unconditional: 128, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4397, unknown conditional: 0, unknown unconditional: 4397] , Statistics on independence cache: Total cache size (in pairs): 4393, Positive cache size: 4381, Positive conditional cache size: 0, Positive unconditional cache size: 4381, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 261 - TimeoutResultAtElement [Line: 1051]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 1050]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2_funThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 334 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 16.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 13.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1167 NumberOfCodeBlocks, 1167 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1510 ConstructedInterpolants, 0 QuantifiedInterpolants, 1938 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1655 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 73/180 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 334 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 872.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 4.5s, 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: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 738 NumberOfCodeBlocks, 738 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 960 ConstructedInterpolants, 0 QuantifiedInterpolants, 1584 SizeOfPredicates, 8 NumberOfNonLiveVariables, 866 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 40/539 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