/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 06:17:10,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 06:17:10,198 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 06:17:10,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 06:17:10,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 06:17:10,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 06:17:10,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 06:17:10,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 06:17:10,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 06:17:10,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 06:17:10,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 06:17:10,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 06:17:10,235 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 06:17:10,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 06:17:10,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 06:17:10,237 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 06:17:10,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 06:17:10,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 06:17:10,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 06:17:10,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 06:17:10,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 06:17:10,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 06:17:10,238 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 06:17:10,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 06:17:10,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 06:17:10,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 06:17:10,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 06:17:10,239 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 06:17:10,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 06:17:10,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 06:17:10,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 06:17:10,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 06:17:10,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 06:17:10,239 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 06:17:10,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 06:17:10,239 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 06:17:10,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 06:17:10,240 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 06:17:10,240 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 06:17:10,240 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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: Commutativity condition synthesis -> SUFFICIENT [2024-11-14 06:17:10,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 06:17:10,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 06:17:10,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 06:17:10,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 06:17:10,507 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 06:17:10,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2024-11-14 06:17:11,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 06:17:12,217 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 06:17:12,217 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2024-11-14 06:17:12,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/1b3953d5f/edf8a622618d4e89857d503c286a72e9/FLAGd3d7636d3 [2024-11-14 06:17:12,259 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/1b3953d5f/edf8a622618d4e89857d503c286a72e9 [2024-11-14 06:17:12,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 06:17:12,263 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 06:17:12,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 06:17:12,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 06:17:12,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 06:17:12,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 06:17:12" (1/1) ... [2024-11-14 06:17:12,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7851494d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:17:12, skipping insertion in model container [2024-11-14 06:17:12,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 06:17:12" (1/1) ... [2024-11-14 06:17:12,313 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 06:17:12,607 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i[47038,47051] [2024-11-14 06:17:12,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 06:17:12,900 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 06:17:12,950 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i[47038,47051] [2024-11-14 06:17:12,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 06:17:13,094 INFO L204 MainTranslator]: Completed translation [2024-11-14 06:17:13,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:17:13 WrapperNode [2024-11-14 06:17:13,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 06:17:13,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 06:17:13,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 06:17:13,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 06:17:13,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:17:13" (1/1) ... [2024-11-14 06:17:13,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:17:13" (1/1) ... [2024-11-14 06:17:13,283 INFO L138 Inliner]: procedures = 280, calls = 2378, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 2549 [2024-11-14 06:17:13,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 06:17:13,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 06:17:13,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 06:17:13,285 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 06:17:13,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:17:13" (1/1) ... [2024-11-14 06:17:13,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:17:13" (1/1) ... [2024-11-14 06:17:13,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:17:13" (1/1) ... [2024-11-14 06:17:13,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:17:13" (1/1) ... [2024-11-14 06:17:13,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:17:13" (1/1) ... [2024-11-14 06:17:13,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:17:13" (1/1) ... [2024-11-14 06:17:13,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:17:13" (1/1) ... [2024-11-14 06:17:13,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:17:13" (1/1) ... [2024-11-14 06:17:13,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 06:17:13,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 06:17:13,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 06:17:13,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 06:17:13,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:17:13" (1/1) ... [2024-11-14 06:17:13,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 06:17:13,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:17:13,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 06:17:13,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 06:17:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 06:17:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 06:17:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-11-14 06:17:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-11-14 06:17:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 06:17:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 06:17:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 06:17:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 06:17:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-14 06:17:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-14 06:17:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 06:17:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 06:17:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 06:17:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 06:17:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 06:17:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 06:17:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 06:17:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 06:17:13,571 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 06:17:13,751 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 06:17:13,753 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 06:17:16,475 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 06:17:16,475 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 06:17:16,567 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 06:17:16,568 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-14 06:17:16,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 06:17:16 BoogieIcfgContainer [2024-11-14 06:17:16,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 06:17:16,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 06:17:16,571 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 06:17:16,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 06:17:16,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 06:17:12" (1/3) ... [2024-11-14 06:17:16,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afa6db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 06:17:16, skipping insertion in model container [2024-11-14 06:17:16,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:17:13" (2/3) ... [2024-11-14 06:17:16,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afa6db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 06:17:16, skipping insertion in model container [2024-11-14 06:17:16,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 06:17:16" (3/3) ... [2024-11-14 06:17:16,577 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_87-lists_racefree.i [2024-11-14 06:17:16,591 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 06:17:16,592 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_87-lists_racefree.i that has 3 procedures, 2539 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2024-11-14 06:17:16,592 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 06:17:16,859 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-14 06:17:16,962 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 06:17:16,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 06:17:16,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:17:16,966 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-14 06:17:16,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-14 06:17:17,072 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 06:17:17,087 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork0 ======== [2024-11-14 06:17:17,097 INFO L333 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, 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;@7c70e7aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 06:17:17,098 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 06:17:18,380 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:17:18,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:17:18,389 INFO L85 PathProgramCache]: Analyzing trace with hash 846603578, now seen corresponding path program 1 times [2024-11-14 06:17:18,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:17:18,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568602657] [2024-11-14 06:17:18,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:17:18,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:17:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:17:21,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:17:21,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:17:21,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568602657] [2024-11-14 06:17:21,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568602657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:17:21,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:17:21,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 06:17:21,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201491081] [2024-11-14 06:17:21,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:17:21,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 06:17:21,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:17:21,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 06:17:21,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 06:17:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:21,196 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:17:21,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1223.5) internal successors, (2447), 2 states have internal predecessors, (2447), 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) [2024-11-14 06:17:21,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:22,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:22,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 06:17:22,036 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:17:22,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:17:22,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1687869489, now seen corresponding path program 1 times [2024-11-14 06:17:22,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:17:22,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155085868] [2024-11-14 06:17:22,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:17:22,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:17:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:17:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:17:24,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:17:24,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155085868] [2024-11-14 06:17:24,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155085868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:17:24,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:17:24,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 06:17:24,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147796042] [2024-11-14 06:17:24,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:17:24,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 06:17:24,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:17:24,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 06:17:24,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 06:17:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:24,862 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:17:24,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 811.0) internal successors, (2433), 3 states have internal predecessors, (2433), 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) [2024-11-14 06:17:24,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:24,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:25,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:25,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:17:25,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 06:17:25,034 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:17:25,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:17:25,047 INFO L85 PathProgramCache]: Analyzing trace with hash 800443354, now seen corresponding path program 1 times [2024-11-14 06:17:25,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:17:25,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574786097] [2024-11-14 06:17:25,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:17:25,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:17:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:17:27,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:17:27,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:17:27,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574786097] [2024-11-14 06:17:27,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574786097] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 06:17:27,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829725369] [2024-11-14 06:17:27,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:17:27,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:17:27,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:17:27,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 06:17:27,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 06:17:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:17:28,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 6087 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 06:17:28,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:17:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:17:28,846 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 06:17:28,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:17:28,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829725369] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 06:17:28,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 06:17:28,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 06:17:28,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368803718] [2024-11-14 06:17:28,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 06:17:28,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 06:17:28,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:17:28,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 06:17:28,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 06:17:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:28,970 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:17:28,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 248.6) internal successors, (2486), 10 states have internal predecessors, (2486), 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) [2024-11-14 06:17:28,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:28,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:17:28,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:29,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:29,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:17:29,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:17:29,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 06:17:29,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:17:29,454 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:17:29,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:17:29,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1929265274, now seen corresponding path program 2 times [2024-11-14 06:17:29,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:17:29,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252234825] [2024-11-14 06:17:29,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:17:29,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:17:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:17:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-14 06:17:31,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:17:31,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252234825] [2024-11-14 06:17:31,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252234825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:17:31,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:17:31,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 06:17:31,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441741353] [2024-11-14 06:17:31,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:17:31,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 06:17:31,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:17:31,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 06:17:31,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 06:17:31,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:31,199 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:17:31,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 490.0) internal successors, (2450), 5 states have internal predecessors, (2450), 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) [2024-11-14 06:17:31,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:31,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:17:31,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:17:31,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:32,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:32,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:17:32,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:17:32,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 06:17:32,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 06:17:32,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 06:17:32,748 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-11-14 06:17:32,749 INFO L320 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork0 was SAFE (1/2) [2024-11-14 06:17:32,777 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 06:17:32,779 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 06:17:32,779 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 06:17:32,779 INFO L333 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, 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;@7c70e7aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 06:17:32,779 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 06:17:32,904 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 06:17:32,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:17:32,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1205114259, now seen corresponding path program 1 times [2024-11-14 06:17:32,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:17:32,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281846508] [2024-11-14 06:17:32,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:17:32,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:17:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:17:33,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:17:33,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:17:33,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281846508] [2024-11-14 06:17:33,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281846508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:17:33,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:17:33,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 06:17:33,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661979300] [2024-11-14 06:17:33,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:17:33,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 06:17:33,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:17:33,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 06:17:33,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 06:17:33,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:33,679 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:17:33,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1197.5) internal successors, (2395), 2 states have internal predecessors, (2395), 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) [2024-11-14 06:17:33,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:33,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 06:17:33,746 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 06:17:33,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:17:33,750 INFO L85 PathProgramCache]: Analyzing trace with hash 2122048104, now seen corresponding path program 1 times [2024-11-14 06:17:33,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:17:33,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335467437] [2024-11-14 06:17:33,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:17:33,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:17:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:17:34,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:17:34,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:17:34,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335467437] [2024-11-14 06:17:34,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335467437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:17:34,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:17:34,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 06:17:34,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364163065] [2024-11-14 06:17:34,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:17:34,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 06:17:34,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:17:34,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 06:17:34,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 06:17:34,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:34,797 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:17:34,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 789.6666666666666) internal successors, (2369), 3 states have internal predecessors, (2369), 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) [2024-11-14 06:17:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:34,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:34,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:34,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:17:34,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 06:17:34,891 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 06:17:34,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:17:34,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1385013645, now seen corresponding path program 1 times [2024-11-14 06:17:34,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:17:34,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478642313] [2024-11-14 06:17:34,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:17:34,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:17:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:17:36,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:17:36,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:17:36,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478642313] [2024-11-14 06:17:36,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478642313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 06:17:36,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589526339] [2024-11-14 06:17:36,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:17:36,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:17:36,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:17:36,389 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 06:17:36,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 06:17:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:17:37,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 5927 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 06:17:37,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:17:37,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:17:37,450 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 06:17:37,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:17:37,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589526339] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 06:17:37,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 06:17:37,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 06:17:37,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948959533] [2024-11-14 06:17:37,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 06:17:37,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 06:17:37,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:17:37,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 06:17:37,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 06:17:37,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:37,542 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:17:37,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 242.2) internal successors, (2422), 10 states have internal predecessors, (2422), 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) [2024-11-14 06:17:37,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:37,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:17:37,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:37,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:37,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:17:37,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:17:37,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 06:17:37,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:17:37,905 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 06:17:37,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:17:37,934 INFO L85 PathProgramCache]: Analyzing trace with hash -22031597, now seen corresponding path program 2 times [2024-11-14 06:17:37,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:17:37,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985071169] [2024-11-14 06:17:37,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:17:37,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:17:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:17:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:17:39,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:17:39,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985071169] [2024-11-14 06:17:39,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985071169] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 06:17:39,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840400931] [2024-11-14 06:17:39,948 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 06:17:39,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:17:39,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:17:39,951 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 06:17:39,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 06:17:40,902 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 06:17:40,903 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 06:17:40,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 6077 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 06:17:40,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:17:41,089 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:17:41,090 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 06:17:41,265 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:17:41,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840400931] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 06:17:41,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 06:17:41,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-14 06:17:41,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495684318] [2024-11-14 06:17:41,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 06:17:41,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 06:17:41,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:17:41,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 06:17:41,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-14 06:17:41,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:41,276 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:17:41,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 138.33333333333334) internal successors, (2490), 18 states have internal predecessors, (2490), 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) [2024-11-14 06:17:41,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:41,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:17:41,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:17:41,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:17:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:17:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:17:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 06:17:41,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-14 06:17:41,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:17:41,799 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 06:17:41,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:17:41,822 INFO L85 PathProgramCache]: Analyzing trace with hash 163923027, now seen corresponding path program 3 times [2024-11-14 06:17:41,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:17:41,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819229373] [2024-11-14 06:17:41,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:17:41,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:17:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:17:44,901 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:17:44,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:17:44,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819229373] [2024-11-14 06:17:44,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819229373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 06:17:44,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764441653] [2024-11-14 06:17:44,901 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 06:17:44,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:17:44,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:17:44,903 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 06:17:44,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 06:18:08,047 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-14 06:18:08,047 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 06:18:08,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 6377 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-14 06:18:08,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:18:08,380 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:18:08,381 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 06:18:08,768 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:18:08,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764441653] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 06:18:08,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 06:18:08,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-14 06:18:08,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288622178] [2024-11-14 06:18:08,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 06:18:08,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-14 06:18:08,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:18:08,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-14 06:18:08,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-14 06:18:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:18:08,779 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:18:08,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 77.23529411764706) internal successors, (2626), 34 states have internal predecessors, (2626), 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) [2024-11-14 06:18:08,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:18:08,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:18:08,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:18:08,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 06:18:08,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:18:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:18:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:18:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:18:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 06:18:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-14 06:18:09,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-14 06:18:09,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:18:09,717 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 06:18:09,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:18:09,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1762507053, now seen corresponding path program 4 times [2024-11-14 06:18:09,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:18:09,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278720864] [2024-11-14 06:18:09,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:18:09,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:18:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:18:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 0 proven. 1800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:18:15,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:18:15,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278720864] [2024-11-14 06:18:15,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278720864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 06:18:15,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885602721] [2024-11-14 06:18:15,735 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 06:18:15,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:18:15,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:18:15,737 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 06:18:15,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 06:19:52,440 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 06:19:52,441 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 06:19:52,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 6977 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-14 06:19:52,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:19:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 0 proven. 1800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:19:52,870 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 06:19:53,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 0 proven. 1800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:19:53,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885602721] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 06:19:53,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 06:19:53,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 66 [2024-11-14 06:19:53,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828726038] [2024-11-14 06:19:53,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 06:19:53,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-11-14 06:19:53,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:19:53,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-11-14 06:19:53,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2024-11-14 06:19:53,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:19:53,793 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:19:53,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 43.90909090909091) internal successors, (2898), 66 states have internal predecessors, (2898), 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) [2024-11-14 06:19:53,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:19:53,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:19:53,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:19:53,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 06:19:53,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-14 06:19:53,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:19:55,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:19:55,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:19:55,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:19:55,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 06:19:55,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-14 06:19:55,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-11-14 06:19:55,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 06:19:55,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-14 06:19:55,985 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 06:19:56,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:19:56,007 INFO L85 PathProgramCache]: Analyzing trace with hash 2115292115, now seen corresponding path program 5 times [2024-11-14 06:19:56,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:19:56,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799028866] [2024-11-14 06:19:56,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:19:56,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:19:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:20:08,940 INFO L134 CoverageAnalysis]: Checked inductivity of 7936 backedges. 0 proven. 7936 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:20:08,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:20:08,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799028866] [2024-11-14 06:20:08,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799028866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 06:20:08,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475323873] [2024-11-14 06:20:08,941 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-14 06:20:08,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:20:08,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:20:08,943 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 06:20:08,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process Received shutdown request... [2024-11-14 06:31:29,001 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-14 06:31:29,003 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-14 06:31:29,003 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-14 06:31:30,018 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-14 06:31:30,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2024-11-14 06:31:30,203 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forcibly destroying the process [2024-11-14 06:31:30,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 137 [2024-11-14 06:31:30,262 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 06:31:30,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-14 06:31:30,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2024-11-14 06:31:30,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904063592] [2024-11-14 06:31:30,262 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-14 06:31:30,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-11-14 06:31:30,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:31:30,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-11-14 06:31:30,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1088, Invalid=3072, Unknown=0, NotChecked=0, Total=4160 [2024-11-14 06:31:30,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:31:30,267 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:31:30,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 44.55384615384615) internal successors, (2896), 65 states have internal predecessors, (2896), 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) [2024-11-14 06:31:30,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:31:30,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:31:30,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:31:30,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 06:31:30,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-14 06:31:30,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-11-14 06:31:30,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:31:30,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 06:31:30,270 WARN L596 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-11-14 06:31:30,270 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-11-14 06:31:30,270 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-11-14 06:31:30,271 INFO L422 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2024-11-14 06:31:30,271 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT,TIMEOUT (2/2) [2024-11-14 06:31:30,272 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 06:31:30,272 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 06:31:30,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 06:31:30 BasicIcfg [2024-11-14 06:31:30,275 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 06:31:30,276 INFO L158 Benchmark]: Toolchain (without parser) took 858012.95ms. Allocated memory was 100.7MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 70.9MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 840.1MB. Max. memory is 8.0GB. [2024-11-14 06:31:30,276 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 06:31:30,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 831.12ms. Allocated memory was 100.7MB in the beginning and 142.6MB in the end (delta: 41.9MB). Free memory was 70.9MB in the beginning and 60.7MB in the end (delta: 10.2MB). Peak memory consumption was 76.6MB. Max. memory is 8.0GB. [2024-11-14 06:31:30,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 187.87ms. Allocated memory is still 142.6MB. Free memory was 60.5MB in the beginning and 38.8MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-11-14 06:31:30,276 INFO L158 Benchmark]: Boogie Preprocessor took 220.96ms. Allocated memory is still 142.6MB. Free memory was 38.8MB in the beginning and 69.2MB in the end (delta: -30.4MB). Peak memory consumption was 32.3MB. Max. memory is 8.0GB. [2024-11-14 06:31:30,277 INFO L158 Benchmark]: RCFGBuilder took 3061.66ms. Allocated memory was 142.6MB in the beginning and 381.7MB in the end (delta: 239.1MB). Free memory was 69.2MB in the beginning and 241.5MB in the end (delta: -172.4MB). Peak memory consumption was 82.1MB. Max. memory is 8.0GB. [2024-11-14 06:31:30,277 INFO L158 Benchmark]: TraceAbstraction took 853704.69ms. Allocated memory was 381.7MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 240.8MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 731.2MB. Max. memory is 8.0GB. [2024-11-14 06:31:30,279 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 831.12ms. Allocated memory was 100.7MB in the beginning and 142.6MB in the end (delta: 41.9MB). Free memory was 70.9MB in the beginning and 60.7MB in the end (delta: 10.2MB). Peak memory consumption was 76.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 187.87ms. Allocated memory is still 142.6MB. Free memory was 60.5MB in the beginning and 38.8MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 220.96ms. Allocated memory is still 142.6MB. Free memory was 38.8MB in the beginning and 69.2MB in the end (delta: -30.4MB). Peak memory consumption was 32.3MB. Max. memory is 8.0GB. * RCFGBuilder took 3061.66ms. Allocated memory was 142.6MB in the beginning and 381.7MB in the end (delta: 239.1MB). Free memory was 69.2MB in the beginning and 241.5MB in the end (delta: -172.4MB). Peak memory consumption was 82.1MB. Max. memory is 8.0GB. * TraceAbstraction took 853704.69ms. Allocated memory was 381.7MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 240.8MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 731.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17362, independent: 15856, independent conditional: 1288, independent unconditional: 14568, dependent: 1506, dependent conditional: 1418, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15950, independent: 15856, independent conditional: 1288, independent unconditional: 14568, dependent: 94, dependent conditional: 6, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15950, independent: 15856, independent conditional: 1288, independent unconditional: 14568, dependent: 94, dependent conditional: 6, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15956, independent: 15856, independent conditional: 1288, independent unconditional: 14568, dependent: 100, dependent conditional: 12, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15956, independent: 15856, independent conditional: 0, independent unconditional: 15856, dependent: 100, dependent conditional: 6, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15956, independent: 15856, independent conditional: 0, independent unconditional: 15856, dependent: 100, dependent conditional: 6, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14083, independent: 13989, independent conditional: 0, independent unconditional: 13989, dependent: 94, dependent conditional: 6, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14083, independent: 13951, independent conditional: 0, independent unconditional: 13951, dependent: 132, dependent conditional: 0, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 132, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 94, dependent conditional: 6, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 132, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 94, dependent conditional: 6, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2583, independent: 522, independent conditional: 0, independent unconditional: 522, dependent: 2061, dependent conditional: 242, dependent unconditional: 1819, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 15956, independent: 1867, independent conditional: 0, independent unconditional: 1867, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 14083, unknown conditional: 6, unknown unconditional: 14077] , Statistics on independence cache: Total cache size (in pairs): 14083, Positive cache size: 13989, Positive conditional cache size: 0, Positive unconditional cache size: 13989, Negative cache size: 94, Negative conditional cache size: 6, Negative unconditional cache size: 88, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1294, Maximal queried relation: 1, Independence queries for same thread: 1412, Persistent sets #1 benchmarks: Persistent set computation time: 2.6s, Number of persistent set computation: 2884, Number of trivial persistent sets: 2856, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14656, independent: 14568, independent conditional: 0, independent unconditional: 14568, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17362, independent: 15856, independent conditional: 1288, independent unconditional: 14568, dependent: 1506, dependent conditional: 1418, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15950, independent: 15856, independent conditional: 1288, independent unconditional: 14568, dependent: 94, dependent conditional: 6, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15950, independent: 15856, independent conditional: 1288, independent unconditional: 14568, dependent: 94, dependent conditional: 6, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15956, independent: 15856, independent conditional: 1288, independent unconditional: 14568, dependent: 100, dependent conditional: 12, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15956, independent: 15856, independent conditional: 0, independent unconditional: 15856, dependent: 100, dependent conditional: 6, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15956, independent: 15856, independent conditional: 0, independent unconditional: 15856, dependent: 100, dependent conditional: 6, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14083, independent: 13989, independent conditional: 0, independent unconditional: 13989, dependent: 94, dependent conditional: 6, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14083, independent: 13951, independent conditional: 0, independent unconditional: 13951, dependent: 132, dependent conditional: 0, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 132, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 94, dependent conditional: 6, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 132, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 94, dependent conditional: 6, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2583, independent: 522, independent conditional: 0, independent unconditional: 522, dependent: 2061, dependent conditional: 242, dependent unconditional: 1819, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 15956, independent: 1867, independent conditional: 0, independent unconditional: 1867, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 14083, unknown conditional: 6, unknown unconditional: 14077] , Statistics on independence cache: Total cache size (in pairs): 14083, Positive cache size: 13989, Positive conditional cache size: 0, Positive unconditional cache size: 13989, Negative cache size: 94, Negative conditional cache size: 6, Negative unconditional cache size: 88, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1294, Maximal queried relation: 1, Independence queries for same thread: 1412 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13375, independent: 8085, independent conditional: 220, independent unconditional: 7865, dependent: 5290, dependent conditional: 5270, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8105, independent: 8085, independent conditional: 220, independent unconditional: 7865, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8105, independent: 8085, independent conditional: 220, independent unconditional: 7865, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8105, independent: 8085, independent conditional: 220, independent unconditional: 7865, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8105, independent: 8085, independent conditional: 0, independent unconditional: 8085, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8105, independent: 8085, independent conditional: 0, independent unconditional: 8085, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 8105, independent: 8085, independent conditional: 0, independent unconditional: 8085, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 14077, Positive cache size: 13989, Positive conditional cache size: 0, Positive unconditional cache size: 13989, Negative cache size: 88, Negative conditional cache size: 0, Negative unconditional cache size: 88, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 220, Maximal queried relation: 0, Independence queries for same thread: 5270, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 2418, Number of trivial persistent sets: 2418, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7885, independent: 7865, independent conditional: 0, independent unconditional: 7865, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13375, independent: 8085, independent conditional: 220, independent unconditional: 7865, dependent: 5290, dependent conditional: 5270, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8105, independent: 8085, independent conditional: 220, independent unconditional: 7865, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8105, independent: 8085, independent conditional: 220, independent unconditional: 7865, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8105, independent: 8085, independent conditional: 220, independent unconditional: 7865, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8105, independent: 8085, independent conditional: 0, independent unconditional: 8085, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8105, independent: 8085, independent conditional: 0, independent unconditional: 8085, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 8105, independent: 8085, independent conditional: 0, independent unconditional: 8085, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 14077, Positive cache size: 13989, Positive conditional cache size: 0, Positive unconditional cache size: 13989, Negative cache size: 88, Negative conditional cache size: 0, Negative unconditional cache size: 88, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 220, Maximal queried relation: 0, Independence queries for same thread: 5270 - TimeoutResultAtElement [Line: 1052]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 1051]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2_funThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 2678 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 15.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 4.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 20, 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: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 12284 NumberOfCodeBlocks, 12284 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 14732 ConstructedInterpolants, 0 QuantifiedInterpolants, 14898 SizeOfPredicates, 2 NumberOfNonLiveVariables, 6087 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 54/57 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, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 1202, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 2678 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 837.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 3.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 175, 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: 0.5s SsaConstructionTime, 121.4s SatisfiabilityAnalysisTime, 28.6s InterpolantComputationTime, 27536 NumberOfCodeBlocks, 27536 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 37455 ConstructedInterpolants, 0 QuantifiedInterpolants, 41189 SizeOfPredicates, 53 NumberOfNonLiveVariables, 25358 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 0/14593 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, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 5236, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown