/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-03 23:52:06,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-03 23:52:06,813 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-03 23:52:06,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-03 23:52:06,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-03 23:52:06,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-03 23:52:06,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-03 23:52:06,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-03 23:52:06,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-03 23:52:06,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-03 23:52:06,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-03 23:52:06,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-03 23:52:06,839 INFO L153 SettingsManager]: * Use SBE=true [2024-04-03 23:52:06,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-03 23:52:06,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-03 23:52:06,841 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-03 23:52:06,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-03 23:52:06,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-03 23:52:06,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-03 23:52:06,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-03 23:52:06,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-03 23:52:06,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-03 23:52:06,843 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-03 23:52:06,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-03 23:52:06,844 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-03 23:52:06,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-03 23:52:06,845 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-03 23:52:06,845 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-03 23:52:06,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-03 23:52:06,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 23:52:06,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-03 23:52:06,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-03 23:52:06,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-03 23:52:06,847 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-03 23:52:06,847 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-03 23:52:06,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-03 23:52:06,848 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-03 23:52:06,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-03 23:52:06,848 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-03 23:52:06,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-04-03 23:52:07,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-03 23:52:07,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-03 23:52:07,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-03 23:52:07,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-03 23:52:07,074 INFO L274 PluginConnector]: CDTParser initialized [2024-04-03 23:52:07,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-04-03 23:52:08,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-03 23:52:08,314 INFO L384 CDTParser]: Found 1 translation units. [2024-04-03 23:52:08,315 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-04-03 23:52:08,321 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5fc06920c/c5a6f11a5fe34ee79ba736eeaa9a6df4/FLAG3bb7c3217 [2024-04-03 23:52:08,333 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5fc06920c/c5a6f11a5fe34ee79ba736eeaa9a6df4 [2024-04-03 23:52:08,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-03 23:52:08,339 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-03 23:52:08,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-03 23:52:08,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-03 23:52:08,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-03 23:52:08,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 11:52:08" (1/1) ... [2024-04-03 23:52:08,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36988e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:08, skipping insertion in model container [2024-04-03 23:52:08,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 11:52:08" (1/1) ... [2024-04-03 23:52:08,365 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-03 23:52:08,485 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2476,2489] [2024-04-03 23:52:08,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 23:52:08,496 INFO L202 MainTranslator]: Completed pre-run [2024-04-03 23:52:08,519 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2476,2489] [2024-04-03 23:52:08,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 23:52:08,525 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-03 23:52:08,525 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-03 23:52:08,532 INFO L206 MainTranslator]: Completed translation [2024-04-03 23:52:08,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:08 WrapperNode [2024-04-03 23:52:08,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-03 23:52:08,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-03 23:52:08,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-03 23:52:08,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-03 23:52:08,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:08" (1/1) ... [2024-04-03 23:52:08,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:08" (1/1) ... [2024-04-03 23:52:08,556 INFO L138 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-04-03 23:52:08,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-03 23:52:08,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-03 23:52:08,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-03 23:52:08,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-03 23:52:08,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:08" (1/1) ... [2024-04-03 23:52:08,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:08" (1/1) ... [2024-04-03 23:52:08,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:08" (1/1) ... [2024-04-03 23:52:08,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:08" (1/1) ... [2024-04-03 23:52:08,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:08" (1/1) ... [2024-04-03 23:52:08,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:08" (1/1) ... [2024-04-03 23:52:08,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:08" (1/1) ... [2024-04-03 23:52:08,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:08" (1/1) ... [2024-04-03 23:52:08,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-03 23:52:08,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-03 23:52:08,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-03 23:52:08,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-03 23:52:08,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:08" (1/1) ... [2024-04-03 23:52:08,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 23:52:08,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:52:08,611 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) [2024-04-03 23:52:08,616 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 [2024-04-03 23:52:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-03 23:52:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-03 23:52:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-03 23:52:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-03 23:52:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-03 23:52:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-03 23:52:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-03 23:52:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-03 23:52:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-03 23:52:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-03 23:52:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-03 23:52:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-03 23:52:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-03 23:52:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-03 23:52:08,650 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-03 23:52:08,763 INFO L241 CfgBuilder]: Building ICFG [2024-04-03 23:52:08,765 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-03 23:52:08,897 INFO L282 CfgBuilder]: Performing block encoding [2024-04-03 23:52:08,945 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-03 23:52:08,945 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-03 23:52:08,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 11:52:08 BoogieIcfgContainer [2024-04-03 23:52:08,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-03 23:52:08,970 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-03 23:52:08,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-03 23:52:08,984 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-03 23:52:08,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 11:52:08" (1/3) ... [2024-04-03 23:52:08,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40beed1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 11:52:08, skipping insertion in model container [2024-04-03 23:52:08,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:08" (2/3) ... [2024-04-03 23:52:08,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40beed1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 11:52:08, skipping insertion in model container [2024-04-03 23:52:08,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 11:52:08" (3/3) ... [2024-04-03 23:52:08,988 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2024-04-03 23:52:09,010 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-03 23:52:09,022 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-03 23:52:09,022 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-03 23:52:09,023 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-03 23:52:09,113 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-03 23:52:09,142 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 23:52:09,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 23:52:09,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:52:09,145 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) [2024-04-03 23:52:09,159 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 [2024-04-03 23:52:09,171 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 23:52:09,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:52:09,180 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 23:52:09,185 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;@3e75098c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 23:52:09,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-03 23:52:09,300 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 23:52:09,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:52:09,301 INFO L85 PathProgramCache]: Analyzing trace with hash -681308655, now seen corresponding path program 1 times [2024-04-03 23:52:09,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:52:09,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521807564] [2024-04-03 23:52:09,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:52:09,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:52:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:52:09,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-03 23:52:09,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:52:09,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521807564] [2024-04-03 23:52:09,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521807564] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 23:52:09,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 23:52:09,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 23:52:09,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816308025] [2024-04-03 23:52:09,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 23:52:09,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 23:52:09,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:52:09,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 23:52:09,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 23:52:09,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:09,653 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:52:09,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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) [2024-04-03 23:52:09,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:09,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:09,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-03 23:52:09,691 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 23:52:09,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:52:09,691 INFO L85 PathProgramCache]: Analyzing trace with hash -609160435, now seen corresponding path program 1 times [2024-04-03 23:52:09,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:52:09,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534317293] [2024-04-03 23:52:09,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:52:09,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:52:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:52:10,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:52:10,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:52:10,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534317293] [2024-04-03 23:52:10,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534317293] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 23:52:10,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 23:52:10,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 23:52:10,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618856777] [2024-04-03 23:52:10,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 23:52:10,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 23:52:10,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:52:10,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 23:52:10,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-04-03 23:52:10,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:10,098 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:52:10,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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) [2024-04-03 23:52:10,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:10,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 23:52:10,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-03 23:52:10,173 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 23:52:10,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:52:10,174 INFO L85 PathProgramCache]: Analyzing trace with hash -17791673, now seen corresponding path program 1 times [2024-04-03 23:52:10,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:52:10,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295230723] [2024-04-03 23:52:10,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:52:10,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:52:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:52:12,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:52:12,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:52:12,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295230723] [2024-04-03 23:52:12,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295230723] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:52:12,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738962247] [2024-04-03 23:52:12,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:52:12,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:52:12,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:52:12,258 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) [2024-04-03 23:52:12,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-03 23:52:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:52:12,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-03 23:52:12,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:52:13,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:52:13,340 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:52:24,463 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:52:24,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738962247] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:52:24,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:52:24,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 39 [2024-04-03 23:52:24,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087455760] [2024-04-03 23:52:24,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:52:24,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-04-03 23:52:24,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:52:24,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-04-03 23:52:24,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1249, Unknown=2, NotChecked=0, Total=1482 [2024-04-03 23:52:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:24,521 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:52:24,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.230769230769231) internal successors, (165), 39 states have internal predecessors, (165), 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) [2024-04-03 23:52:24,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:24,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 23:52:24,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:29,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:29,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 23:52:29,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 23:52:29,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-03 23:52:29,604 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,SelfDestructingSolverStorable2 [2024-04-03 23:52:29,604 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 23:52:29,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:52:29,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1515431565, now seen corresponding path program 2 times [2024-04-03 23:52:29,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:52:29,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982104481] [2024-04-03 23:52:29,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:52:29,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:52:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:52:29,894 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-04-03 23:52:29,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:52:29,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982104481] [2024-04-03 23:52:29,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982104481] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:52:29,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999116] [2024-04-03 23:52:29,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 23:52:29,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:52:29,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:52:29,903 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) [2024-04-03 23:52:29,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-03 23:52:29,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-03 23:52:29,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 23:52:29,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-03 23:52:29,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:52:30,163 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 34 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-03 23:52:30,163 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:52:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-04-03 23:52:30,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999116] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:52:30,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:52:30,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 5] total 14 [2024-04-03 23:52:30,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224854172] [2024-04-03 23:52:30,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:52:30,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 23:52:30,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:52:30,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 23:52:30,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-04-03 23:52:30,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:30,245 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:52:30,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 states have internal predecessors, (122), 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) [2024-04-03 23:52:30,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:30,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 23:52:30,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 23:52:30,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:30,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:30,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 23:52:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 23:52:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:52:30,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-03 23:52:30,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:52:30,731 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 23:52:30,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:52:30,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1792931401, now seen corresponding path program 3 times [2024-04-03 23:52:30,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:52:30,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980288343] [2024-04-03 23:52:30,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:52:30,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:52:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:52:30,981 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-04-03 23:52:30,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:52:30,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980288343] [2024-04-03 23:52:30,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980288343] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 23:52:30,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 23:52:30,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-03 23:52:30,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759680593] [2024-04-03 23:52:30,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 23:52:30,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-03 23:52:30,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:52:31,096 INFO L85 PathProgramCache]: Analyzing trace with hash -53736182, now seen corresponding path program 1 times [2024-04-03 23:52:31,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:52:31,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:52:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 23:52:31,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 23:52:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 23:52:31,349 INFO L85 PathProgramCache]: Analyzing trace with hash -100855742, now seen corresponding path program 2 times [2024-04-03 23:52:31,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:52:31,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:52:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 23:52:31,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 23:52:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 23:52:31,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-03 23:52:31,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 23:52:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:31,453 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:52:31,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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) [2024-04-03 23:52:31,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:31,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 23:52:31,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 23:52:31,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:52:31,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 23:52:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-03 23:52:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:52:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-03 23:52:31,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-04-03 23:52:31,724 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 23:52:31,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:52:31,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1620124764, now seen corresponding path program 4 times [2024-04-03 23:52:31,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:52:31,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375779007] [2024-04-03 23:52:31,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:52:31,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:52:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:53:14,586 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:53:14,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:53:14,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375779007] [2024-04-03 23:53:14,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375779007] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:53:14,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725293781] [2024-04-03 23:53:14,586 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-03 23:53:14,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:53:14,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:53:14,588 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) [2024-04-03 23:53:14,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-03 23:53:14,820 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-03 23:53:14,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 23:53:14,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 52 conjunts are in the unsatisfiable core [2024-04-03 23:53:14,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:53:18,266 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:53:18,267 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:55:16,157 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:55:16,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725293781] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:55:16,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:55:16,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 31, 30] total 83 [2024-04-03 23:55:16,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799768468] [2024-04-03 23:55:16,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:55:16,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-04-03 23:55:16,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:55:17,088 INFO L85 PathProgramCache]: Analyzing trace with hash -53736182, now seen corresponding path program 3 times [2024-04-03 23:55:17,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:55:17,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:55:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 23:55:17,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 23:55:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 23:55:17,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-04-03 23:55:17,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=947, Invalid=6003, Unknown=22, NotChecked=0, Total=6972 [2024-04-03 23:55:17,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:55:17,196 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:55:17,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 2.855421686746988) internal successors, (237), 83 states have internal predecessors, (237), 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) [2024-04-03 23:55:17,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:55:17,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 23:55:17,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-03 23:55:17,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:55:17,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-03 23:55:17,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:55:27,496 WARN L293 SmtUtils]: Spent 10.12s on a formula simplification. DAG size of input: 126 DAG size of output: 91 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-03 23:55:35,214 WARN L293 SmtUtils]: Spent 7.40s on a formula simplification. DAG size of input: 169 DAG size of output: 139 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-03 23:56:29,571 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification. DAG size of input: 257 DAG size of output: 57 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-03 23:57:49,193 WARN L293 SmtUtils]: Spent 12.94s on a formula simplification. DAG size of input: 266 DAG size of output: 117 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-03 23:59:08,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:00:22,306 WARN L293 SmtUtils]: Spent 6.49s on a formula simplification. DAG size of input: 180 DAG size of output: 153 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:00:34,479 WARN L293 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 187 DAG size of output: 160 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:00:42,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:01:24,633 WARN L293 SmtUtils]: Spent 5.42s on a formula simplification. DAG size of input: 165 DAG size of output: 138 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:04:18,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:04:20,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:04:20,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 00:04:20,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-04 00:04:20,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 00:04:20,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 00:04:20,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-04 00:04:20,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 00:04:21,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:04:21,176 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:04:21,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:04:21,176 INFO L85 PathProgramCache]: Analyzing trace with hash -329577378, now seen corresponding path program 5 times [2024-04-04 00:04:21,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:04:21,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586259928] [2024-04-04 00:04:21,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:04:21,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:04:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:04:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 239 proven. 4 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2024-04-04 00:04:21,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:04:21,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586259928] [2024-04-04 00:04:21,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586259928] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:04:21,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106816368] [2024-04-04 00:04:21,978 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 00:04:21,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:04:21,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:04:21,979 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) [2024-04-04 00:04:21,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 00:04:24,063 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-04-04 00:04:24,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:04:24,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 15 conjunts are in the unsatisfiable core [2024-04-04 00:04:24,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:04:24,185 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 244 proven. 41 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-04-04 00:04:24,185 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:04:24,227 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-04-04 00:04:24,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106816368] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-04 00:04:24,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-04 00:04:24,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 6] total 8 [2024-04-04 00:04:24,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103070294] [2024-04-04 00:04:24,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 00:04:24,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 00:04:24,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:04:24,368 INFO L85 PathProgramCache]: Analyzing trace with hash -172007024, now seen corresponding path program 4 times [2024-04-04 00:04:24,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:04:24,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:04:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 00:04:24,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 00:04:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 00:04:24,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 00:04:24,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-04-04 00:04:24,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:04:24,595 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:04:24,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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) [2024-04-04 00:04:24,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:04:24,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 00:04:24,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-04 00:04:24,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 00:04:24,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 00:04:24,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-04 00:04:24,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:04:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:04:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 00:04:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-04 00:04:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 00:04:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 00:04:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-04 00:04:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:04:28,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-04 00:04:28,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-04-04 00:04:28,958 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:04:28,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:04:28,958 INFO L85 PathProgramCache]: Analyzing trace with hash 290640766, now seen corresponding path program 6 times [2024-04-04 00:04:28,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:04:28,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274958684] [2024-04-04 00:04:28,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:04:28,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:04:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:06:05,456 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:06:05,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:06:05,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274958684] [2024-04-04 00:06:05,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274958684] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:06:05,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452025735] [2024-04-04 00:06:05,459 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 00:06:05,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:06:05,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:06:05,462 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) [2024-04-04 00:06:05,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 00:06:12,200 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-04-04 00:06:12,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:06:12,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 105 conjunts are in the unsatisfiable core [2024-04-04 00:06:12,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2024-04-04 00:06:31,523 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-04 00:06:31,530 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 [2024-04-04 00:06:31,530 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 [2024-04-04 00:06:31,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 00:06:31,565 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 00:06:31,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-04-04 00:06:31,724 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 155 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-8-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ATOM-1 context. [2024-04-04 00:06:31,726 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-04 00:06:31,726 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-04 00:06:31,729 INFO L445 BasicCegarLoop]: Path program histogram: [6, 4, 1, 1] [2024-04-04 00:06:31,732 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 00:06:31,732 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 00:06:31,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 12:06:31 BasicIcfg [2024-04-04 00:06:31,734 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 00:06:31,734 INFO L158 Benchmark]: Toolchain (without parser) took 863395.58ms. Allocated memory was 298.8MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 228.6MB in the beginning and 827.4MB in the end (delta: -598.7MB). Peak memory consumption was 936.3MB. Max. memory is 8.0GB. [2024-04-04 00:06:31,735 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 186.6MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 00:06:31,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.27ms. Allocated memory is still 298.8MB. Free memory was 228.5MB in the beginning and 217.1MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-04 00:06:31,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.93ms. Allocated memory is still 298.8MB. Free memory was 217.1MB in the beginning and 215.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 00:06:31,736 INFO L158 Benchmark]: Boogie Preprocessor took 20.38ms. Allocated memory is still 298.8MB. Free memory was 215.5MB in the beginning and 214.2MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 00:06:31,736 INFO L158 Benchmark]: RCFGBuilder took 368.71ms. Allocated memory is still 298.8MB. Free memory was 214.2MB in the beginning and 197.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-04-04 00:06:31,736 INFO L158 Benchmark]: TraceAbstraction took 862764.42ms. Allocated memory was 298.8MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 266.2MB in the beginning and 827.4MB in the end (delta: -561.1MB). Peak memory consumption was 972.9MB. Max. memory is 8.0GB. [2024-04-04 00:06:31,737 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 186.6MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 192.27ms. Allocated memory is still 298.8MB. Free memory was 228.5MB in the beginning and 217.1MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.93ms. Allocated memory is still 298.8MB. Free memory was 217.1MB in the beginning and 215.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.38ms. Allocated memory is still 298.8MB. Free memory was 215.5MB in the beginning and 214.2MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 368.71ms. Allocated memory is still 298.8MB. Free memory was 214.2MB in the beginning and 197.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 862764.42ms. Allocated memory was 298.8MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 266.2MB in the beginning and 827.4MB in the end (delta: -561.1MB). Peak memory consumption was 972.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2854, independent: 2123, independent conditional: 1932, independent unconditional: 191, dependent: 731, dependent conditional: 673, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2174, independent: 2123, independent conditional: 1932, independent unconditional: 191, dependent: 51, dependent conditional: 48, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2174, independent: 2123, independent conditional: 1932, independent unconditional: 191, dependent: 51, dependent conditional: 48, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2174, independent: 2123, independent conditional: 1932, independent unconditional: 191, dependent: 51, dependent conditional: 48, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2339, independent: 2123, independent conditional: 507, independent unconditional: 1616, dependent: 216, dependent conditional: 102, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2339, independent: 2123, independent conditional: 454, independent unconditional: 1669, dependent: 216, dependent conditional: 75, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2339, independent: 2123, independent conditional: 454, independent unconditional: 1669, dependent: 216, dependent conditional: 75, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 217, independent: 185, independent conditional: 40, independent unconditional: 145, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 217, independent: 181, independent conditional: 0, independent unconditional: 181, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 36, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 181, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 166, dependent conditional: 109, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2339, independent: 1938, independent conditional: 414, independent unconditional: 1524, dependent: 184, dependent conditional: 49, dependent unconditional: 135, unknown: 217, unknown conditional: 66, unknown unconditional: 151] , Statistics on independence cache: Total cache size (in pairs): 217, Positive cache size: 185, Positive conditional cache size: 40, Positive unconditional cache size: 145, Negative cache size: 32, Negative conditional cache size: 26, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 80, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2339, independent: 2123, independent conditional: 507, independent unconditional: 1616, dependent: 216, dependent conditional: 102, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2339, independent: 2123, independent conditional: 454, independent unconditional: 1669, dependent: 216, dependent conditional: 75, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2339, independent: 2123, independent conditional: 454, independent unconditional: 1669, dependent: 216, dependent conditional: 75, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 217, independent: 185, independent conditional: 40, independent unconditional: 145, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 217, independent: 181, independent conditional: 0, independent unconditional: 181, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 36, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 181, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 166, dependent conditional: 109, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2339, independent: 1938, independent conditional: 414, independent unconditional: 1524, dependent: 184, dependent conditional: 49, dependent unconditional: 135, unknown: 217, unknown conditional: 66, unknown unconditional: 151] , Statistics on independence cache: Total cache size (in pairs): 217, Positive cache size: 185, Positive conditional cache size: 40, Positive unconditional cache size: 145, Negative cache size: 32, Negative conditional cache size: 26, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 80 ], Independence queries for same thread: 680 - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 155 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-8-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 155 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-8-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 155 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-8-2-2-1 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, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 862.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 553.6s, 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: 223, 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, 2.7s SatisfiabilityAnalysisTime, 180.1s InterpolantComputationTime, 1079 NumberOfCodeBlocks, 1079 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1487 ConstructedInterpolants, 0 QuantifiedInterpolants, 21637 SizeOfPredicates, 47 NumberOfNonLiveVariables, 859 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 2230/2557 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