/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 03:23:04,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 03:23:04,638 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 03:23:04,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 03:23:04,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 03:23:04,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 03:23:04,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 03:23:04,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 03:23:04,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 03:23:04,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 03:23:04,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 03:23:04,673 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 03:23:04,674 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 03:23:04,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 03:23:04,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 03:23:04,676 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 03:23:04,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 03:23:04,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 03:23:04,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 03:23:04,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 03:23:04,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 03:23:04,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 03:23:04,677 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 03:23:04,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 03:23:04,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 03:23:04,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 03:23:04,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 03:23:04,678 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 03:23:04,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 03:23:04,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 03:23:04,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 03:23:04,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 03:23:04,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 03:23:04,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 03:23:04,680 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 03:23:04,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 03:23:04,680 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 03:23:04,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 03:23:04,680 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 03:23:04,680 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 03:23:04,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 03:23:04,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 03:23:04,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 03:23:04,913 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 03:23:04,914 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 03:23:04,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2024-04-06 03:23:05,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 03:23:06,173 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 03:23:06,174 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2024-04-06 03:23:06,186 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5a12ad7fe/95a798c8c54b43c6a08ea9897271609e/FLAG3feb45c7d [2024-04-06 03:23:06,198 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5a12ad7fe/95a798c8c54b43c6a08ea9897271609e [2024-04-06 03:23:06,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 03:23:06,201 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 03:23:06,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 03:23:06,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 03:23:06,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 03:23:06,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 03:23:06" (1/1) ... [2024-04-06 03:23:06,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c6f82b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:23:06, skipping insertion in model container [2024-04-06 03:23:06,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 03:23:06" (1/1) ... [2024-04-06 03:23:06,251 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 03:23:06,480 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30451,30464] [2024-04-06 03:23:06,488 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30681,30694] [2024-04-06 03:23:06,494 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30979,30992] [2024-04-06 03:23:06,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 03:23:06,515 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 03:23:06,550 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30451,30464] [2024-04-06 03:23:06,553 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30681,30694] [2024-04-06 03:23:06,555 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30979,30992] [2024-04-06 03:23:06,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 03:23:06,586 INFO L206 MainTranslator]: Completed translation [2024-04-06 03:23:06,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:23:06 WrapperNode [2024-04-06 03:23:06,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 03:23:06,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 03:23:06,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 03:23:06,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 03:23:06,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:23:06" (1/1) ... [2024-04-06 03:23:06,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:23:06" (1/1) ... [2024-04-06 03:23:06,647 INFO L138 Inliner]: procedures = 169, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 147 [2024-04-06 03:23:06,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 03:23:06,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 03:23:06,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 03:23:06,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 03:23:06,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:23:06" (1/1) ... [2024-04-06 03:23:06,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:23:06" (1/1) ... [2024-04-06 03:23:06,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:23:06" (1/1) ... [2024-04-06 03:23:06,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:23:06" (1/1) ... [2024-04-06 03:23:06,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:23:06" (1/1) ... [2024-04-06 03:23:06,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:23:06" (1/1) ... [2024-04-06 03:23:06,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:23:06" (1/1) ... [2024-04-06 03:23:06,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:23:06" (1/1) ... [2024-04-06 03:23:06,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 03:23:06,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 03:23:06,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 03:23:06,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 03:23:06,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:23:06" (1/1) ... [2024-04-06 03:23:06,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 03:23:06,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:23:06,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-06 03:23:06,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-06 03:23:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-06 03:23:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-04-06 03:23:06,763 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-04-06 03:23:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-04-06 03:23:06,763 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-04-06 03:23:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 03:23:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-06 03:23:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 03:23:06,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 03:23:06,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 03:23:06,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-04-06 03:23:06,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 03:23:06,764 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-06 03:23:06,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 03:23:06,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 03:23:06,765 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 03:23:06,890 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 03:23:06,892 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 03:23:07,120 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 03:23:07,144 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 03:23:07,144 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-06 03:23:07,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 03:23:07 BoogieIcfgContainer [2024-04-06 03:23:07,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 03:23:07,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 03:23:07,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 03:23:07,149 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 03:23:07,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 03:23:06" (1/3) ... [2024-04-06 03:23:07,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76071fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 03:23:07, skipping insertion in model container [2024-04-06 03:23:07,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:23:06" (2/3) ... [2024-04-06 03:23:07,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76071fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 03:23:07, skipping insertion in model container [2024-04-06 03:23:07,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 03:23:07" (3/3) ... [2024-04-06 03:23:07,154 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2024-04-06 03:23:07,161 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 03:23:07,168 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 03:23:07,168 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-04-06 03:23:07,168 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 03:23:07,223 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-06 03:23:07,253 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 03:23:07,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 03:23:07,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:23:07,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-06 03:23:07,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-06 03:23:07,299 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 03:23:07,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:23:07,314 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 03:23:07,328 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=LoopHeads, 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;@23158d53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-06 03:23:07,329 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-04-06 03:23:07,515 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-06 03:23:07,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:23:07,521 INFO L85 PathProgramCache]: Analyzing trace with hash 122964632, now seen corresponding path program 1 times [2024-04-06 03:23:07,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:23:07,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318951081] [2024-04-06 03:23:07,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:23:07,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:23:07,729 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-06 03:23:07,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [410115963] [2024-04-06 03:23:07,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:23:07,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:23:07,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:23:07,767 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:23:07,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 03:23:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:23:07,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-06 03:23:07,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:23:07,984 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-06 03:23:07,984 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 03:23:07,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:23:07,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318951081] [2024-04-06 03:23:07,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-06 03:23:07,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410115963] [2024-04-06 03:23:07,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410115963] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:23:07,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 03:23:07,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-06 03:23:07,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774014337] [2024-04-06 03:23:07,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:23:07,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 03:23:07,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:23:08,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 03:23:08,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-06 03:23:08,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:23:08,015 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:23:08,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 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) [2024-04-06 03:23:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:23:08,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:23:08,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 03:23:08,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-04-06 03:23:08,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-06 03:23:08,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:23:08,385 INFO L85 PathProgramCache]: Analyzing trace with hash 740785729, now seen corresponding path program 1 times [2024-04-06 03:23:08,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:23:08,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091998651] [2024-04-06 03:23:08,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:23:08,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:23:08,418 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-06 03:23:08,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1726139639] [2024-04-06 03:23:08,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:23:08,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:23:08,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:23:08,421 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:23:08,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 03:23:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:23:08,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-06 03:23:08,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:23:09,037 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:23:09,038 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 03:23:09,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:23:09,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091998651] [2024-04-06 03:23:09,038 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-06 03:23:09,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726139639] [2024-04-06 03:23:09,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726139639] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:23:09,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 03:23:09,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-06 03:23:09,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064682330] [2024-04-06 03:23:09,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:23:09,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-06 03:23:09,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:23:09,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-06 03:23:09,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-04-06 03:23:09,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:23:09,046 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:23:09,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 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) [2024-04-06 03:23:09,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:23:09,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:23:09,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-06 03:23:09,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 03:23:09,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-06 03:23:09,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:23:09,544 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-06 03:23:09,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:23:09,545 INFO L85 PathProgramCache]: Analyzing trace with hash 407417983, now seen corresponding path program 1 times [2024-04-06 03:23:09,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:23:09,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607652904] [2024-04-06 03:23:09,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:23:09,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:23:09,595 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-06 03:23:09,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [34317603] [2024-04-06 03:23:09,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:23:09,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:23:09,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:23:09,598 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:23:09,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 03:23:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:23:09,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 3 conjunts are in the unsatisfiable core [2024-04-06 03:23:09,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:23:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-06 03:23:10,122 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 03:23:10,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:23:10,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607652904] [2024-04-06 03:23:10,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-06 03:23:10,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34317603] [2024-04-06 03:23:10,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34317603] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:23:10,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 03:23:10,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-06 03:23:10,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135775149] [2024-04-06 03:23:10,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:23:10,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 03:23:10,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:23:10,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 03:23:10,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-04-06 03:23:10,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:23:10,134 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:23:10,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 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) [2024-04-06 03:23:10,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-06 03:23:10,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 03:23:10,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:23:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-06 03:23:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 03:23:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:10,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-06 03:23:10,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:23:10,400 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-06 03:23:10,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:23:10,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1464603986, now seen corresponding path program 1 times [2024-04-06 03:23:10,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:23:10,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444037778] [2024-04-06 03:23:10,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:23:10,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:23:10,429 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-06 03:23:10,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2079734129] [2024-04-06 03:23:10,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:23:10,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:23:10,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:23:10,431 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:23:10,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 03:23:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:23:10,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 3 conjunts are in the unsatisfiable core [2024-04-06 03:23:10,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:23:10,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 03:23:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-04-06 03:23:10,616 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 03:23:10,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:23:10,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444037778] [2024-04-06 03:23:10,616 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-06 03:23:10,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079734129] [2024-04-06 03:23:10,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079734129] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:23:10,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 03:23:10,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 03:23:10,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319130309] [2024-04-06 03:23:10,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:23:10,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 03:23:10,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:23:10,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 03:23:10,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 03:23:10,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:23:10,617 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:23:10,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:23:10,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-06 03:23:10,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 03:23:10,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:10,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:23:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-06 03:23:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 03:23:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:10,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-06 03:23:10,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:23:10,884 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-06 03:23:10,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:23:10,884 INFO L85 PathProgramCache]: Analyzing trace with hash -726551431, now seen corresponding path program 1 times [2024-04-06 03:23:10,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:23:10,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198556746] [2024-04-06 03:23:10,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:23:10,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:23:10,907 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-06 03:23:10,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868670934] [2024-04-06 03:23:10,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:23:10,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:23:10,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:23:10,909 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:23:10,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 03:23:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:23:11,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 2 conjunts are in the unsatisfiable core [2024-04-06 03:23:11,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:23:11,092 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-04-06 03:23:11,092 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 03:23:11,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:23:11,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198556746] [2024-04-06 03:23:11,092 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-06 03:23:11,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868670934] [2024-04-06 03:23:11,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868670934] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:23:11,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 03:23:11,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 03:23:11,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345665389] [2024-04-06 03:23:11,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:23:11,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 03:23:11,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:23:11,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 03:23:11,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 03:23:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:23:11,113 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:23:11,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2024-04-06 03:23:11,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-06 03:23:11,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 03:23:11,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:11,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:11,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:23:11,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-06 03:23:11,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 03:23:11,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:11,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:11,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:11,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-06 03:23:11,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:23:11,380 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-06 03:23:11,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:23:11,380 INFO L85 PathProgramCache]: Analyzing trace with hash -2056312146, now seen corresponding path program 1 times [2024-04-06 03:23:11,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:23:11,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057577892] [2024-04-06 03:23:11,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:23:11,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:23:11,417 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-06 03:23:11,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2042583754] [2024-04-06 03:23:11,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:23:11,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:23:11,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:23:11,429 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:23:11,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 03:23:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:23:11,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 2 conjunts are in the unsatisfiable core [2024-04-06 03:23:11,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:23:11,617 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-04-06 03:23:11,617 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 03:23:11,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:23:11,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057577892] [2024-04-06 03:23:11,618 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-06 03:23:11,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042583754] [2024-04-06 03:23:11,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042583754] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:23:11,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 03:23:11,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 03:23:11,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382985749] [2024-04-06 03:23:11,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:23:11,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 03:23:11,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:23:11,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 03:23:11,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 03:23:11,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:23:11,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:23:11,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:23:11,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-06 03:23:11,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 03:23:11,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:11,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:11,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:11,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:23:11,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-06 03:23:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 03:23:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:23:11,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-06 03:23:11,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-04-06 03:23:11,894 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-06 03:23:11,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:23:11,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1004956029, now seen corresponding path program 2 times [2024-04-06 03:23:11,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:23:11,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144205427] [2024-04-06 03:23:11,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:23:11,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:23:11,927 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-06 03:23:11,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1942940199] [2024-04-06 03:23:11,927 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 03:23:11,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:23:11,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:23:11,928 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:23:11,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-06 03:23:12,316 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 03:23:12,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:23:12,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 103 conjunts are in the unsatisfiable core [2024-04-06 03:23:12,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:23:12,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2024-04-06 03:23:12,456 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-04-06 03:23:12,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-04-06 03:23:12,502 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-04-06 03:23:12,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2024-04-06 03:23:12,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2024-04-06 03:23:12,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2024-04-06 03:23:13,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-06 03:23:13,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2024-04-06 03:23:14,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2024-04-06 03:23:15,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2024-04-06 03:23:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 03:23:15,444 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:23:55,624 WARN L293 SmtUtils]: Spent 16.88s on a formula simplification that was a NOOP. DAG size: 328 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-06 03:29:54,501 WARN L293 SmtUtils]: Spent 12.12s on a formula simplification that was a NOOP. DAG size: 330 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-06 03:30:23,617 WARN L293 SmtUtils]: Spent 14.07s on a formula simplification that was a NOOP. DAG size: 330 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-06 03:30:59,125 WARN L293 SmtUtils]: Spent 17.77s on a formula simplification that was a NOOP. DAG size: 331 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-06 03:33:22,412 WARN L293 SmtUtils]: Spent 20.00s on a formula simplification that was a NOOP. DAG size: 332 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-06 03:34:02,334 WARN L293 SmtUtils]: Spent 18.24s on a formula simplification that was a NOOP. DAG size: 332 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-06 03:37:22,453 WARN L293 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 274 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-04-06 03:37:45,214 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2024-04-06 03:37:45,216 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 03:37:45,221 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 03:37:45,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-06 03:37:45,235 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 [2024-04-06 03:37:45,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:37:45,415 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 227 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∨-4-2-2-2-2-2-2-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ATOM-1 context. [2024-04-06 03:37:45,416 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-04-06 03:37:45,416 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 8 remaining) [2024-04-06 03:37:45,417 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-04-06 03:37:45,417 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err1ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-04-06 03:37:45,417 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-04-06 03:37:45,417 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2024-04-06 03:37:45,417 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2024-04-06 03:37:45,419 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-04-06 03:37:45,422 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 03:37:45,423 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 03:37:45,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 03:37:45 BasicIcfg [2024-04-06 03:37:45,424 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 03:37:45,424 INFO L158 Benchmark]: Toolchain (without parser) took 879223.42ms. Allocated memory was 299.9MB in the beginning and 794.8MB in the end (delta: 494.9MB). Free memory was 232.5MB in the beginning and 691.4MB in the end (delta: -458.9MB). Peak memory consumption was 449.4MB. Max. memory is 8.0GB. [2024-04-06 03:37:45,424 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 299.9MB. Free memory is still 271.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 03:37:45,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.87ms. Allocated memory is still 299.9MB. Free memory was 232.5MB in the beginning and 211.4MB in the end (delta: 21.1MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2024-04-06 03:37:45,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.25ms. Allocated memory is still 299.9MB. Free memory was 211.3MB in the beginning and 208.9MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-06 03:37:45,425 INFO L158 Benchmark]: Boogie Preprocessor took 32.55ms. Allocated memory is still 299.9MB. Free memory was 208.9MB in the beginning and 207.1MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 03:37:45,425 INFO L158 Benchmark]: RCFGBuilder took 464.32ms. Allocated memory is still 299.9MB. Free memory was 207.1MB in the beginning and 256.5MB in the end (delta: -49.4MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. [2024-04-06 03:37:45,425 INFO L158 Benchmark]: TraceAbstraction took 878277.05ms. Allocated memory was 299.9MB in the beginning and 794.8MB in the end (delta: 494.9MB). Free memory was 255.0MB in the beginning and 691.4MB in the end (delta: -436.5MB). Peak memory consumption was 469.5MB. Max. memory is 8.0GB. [2024-04-06 03:37:45,426 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 299.9MB. Free memory is still 271.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 384.87ms. Allocated memory is still 299.9MB. Free memory was 232.5MB in the beginning and 211.4MB in the end (delta: 21.1MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.25ms. Allocated memory is still 299.9MB. Free memory was 211.3MB in the beginning and 208.9MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.55ms. Allocated memory is still 299.9MB. Free memory was 208.9MB in the beginning and 207.1MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 464.32ms. Allocated memory is still 299.9MB. Free memory was 207.1MB in the beginning and 256.5MB in the end (delta: -49.4MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. * TraceAbstraction took 878277.05ms. Allocated memory was 299.9MB in the beginning and 794.8MB in the end (delta: 494.9MB). Free memory was 255.0MB in the beginning and 691.4MB in the end (delta: -436.5MB). Peak memory consumption was 469.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14072, independent: 10054, independent conditional: 9394, independent unconditional: 660, dependent: 4018, dependent conditional: 3662, dependent unconditional: 356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10076, independent: 10054, independent conditional: 9394, independent unconditional: 660, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10076, independent: 10054, independent conditional: 9394, independent unconditional: 660, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10076, independent: 10054, independent conditional: 9394, independent unconditional: 660, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10176, independent: 10054, independent conditional: 1984, independent unconditional: 8070, dependent: 122, dependent conditional: 74, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10176, independent: 10054, independent conditional: 463, independent unconditional: 9591, dependent: 122, dependent conditional: 30, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10176, independent: 10054, independent conditional: 463, independent unconditional: 9591, dependent: 122, dependent conditional: 30, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 988, independent: 977, independent conditional: 17, independent unconditional: 960, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 988, independent: 974, independent conditional: 0, independent unconditional: 974, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 74, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 68, dependent conditional: 37, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10176, independent: 9077, independent conditional: 446, independent unconditional: 8631, dependent: 111, dependent conditional: 23, dependent unconditional: 88, unknown: 988, unknown conditional: 24, unknown unconditional: 964] , Statistics on independence cache: Total cache size (in pairs): 988, Positive cache size: 977, Positive conditional cache size: 17, Positive unconditional cache size: 960, Negative cache size: 11, Negative conditional cache size: 7, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1565, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10176, independent: 10054, independent conditional: 1984, independent unconditional: 8070, dependent: 122, dependent conditional: 74, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10176, independent: 10054, independent conditional: 463, independent unconditional: 9591, dependent: 122, dependent conditional: 30, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10176, independent: 10054, independent conditional: 463, independent unconditional: 9591, dependent: 122, dependent conditional: 30, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 988, independent: 977, independent conditional: 17, independent unconditional: 960, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 988, independent: 974, independent conditional: 0, independent unconditional: 974, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 74, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 68, dependent conditional: 37, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10176, independent: 9077, independent conditional: 446, independent unconditional: 8631, dependent: 111, dependent conditional: 23, dependent unconditional: 88, unknown: 988, unknown conditional: 24, unknown unconditional: 964] , Statistics on independence cache: Total cache size (in pairs): 988, Positive cache size: 977, Positive conditional cache size: 17, Positive unconditional cache size: 960, Negative cache size: 11, Negative conditional cache size: 7, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1565 ], Independence queries for same thread: 3996 - TimeoutResultAtElement [Line: 749]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 227 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∨-4-2-2-2-2-2-2-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 763]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 227 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∨-4-2-2-2-2-2-2-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 764]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 227 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∨-4-2-2-2-2-2-2-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 714]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 227 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∨-4-2-2-2-2-2-2-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 731]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 227 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∨-4-2-2-2-2-2-2-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 224 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 878.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.9s, 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: 28, 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: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1376 NumberOfCodeBlocks, 1376 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1370 ConstructedInterpolants, 1 QuantifiedInterpolants, 2869 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3288 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 1480/1480 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