/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 22:07:07,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 22:07:07,391 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 22:07:07,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 22:07:07,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 22:07:07,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 22:07:07,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 22:07:07,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 22:07:07,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 22:07:07,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 22:07:07,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 22:07:07,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 22:07:07,417 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 22:07:07,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 22:07:07,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 22:07:07,418 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 22:07:07,418 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 22:07:07,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 22:07:07,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 22:07:07,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 22:07:07,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 22:07:07,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 22:07:07,420 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 22:07:07,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 22:07:07,421 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 22:07:07,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 22:07:07,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 22:07:07,422 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 22:07:07,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 22:07:07,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 22:07:07,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 22:07:07,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 22:07:07,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 22:07:07,423 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 22:07:07,424 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 22:07:07,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 22:07:07,424 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 22:07:07,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 22:07:07,425 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 22:07:07,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-06 22:07:07,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 22:07:07,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 22:07:07,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 22:07:07,718 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 22:07:07,719 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 22:07:07,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2024-05-06 22:07:08,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 22:07:09,142 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 22:07:09,143 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2024-05-06 22:07:09,149 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0ad0e14a3/b6c4cfc275c24bfd888e0505c135d035/FLAG4f269732f [2024-05-06 22:07:09,160 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0ad0e14a3/b6c4cfc275c24bfd888e0505c135d035 [2024-05-06 22:07:09,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 22:07:09,163 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 22:07:09,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 22:07:09,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 22:07:09,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 22:07:09,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 10:07:09" (1/1) ... [2024-05-06 22:07:09,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e89ec46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:07:09, skipping insertion in model container [2024-05-06 22:07:09,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 10:07:09" (1/1) ... [2024-05-06 22:07:09,192 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 22:07:09,405 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2024-05-06 22:07:09,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 22:07:09,428 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 22:07:09,464 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2024-05-06 22:07:09,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 22:07:09,477 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 22:07:09,477 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 22:07:09,483 INFO L206 MainTranslator]: Completed translation [2024-05-06 22:07:09,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:07:09 WrapperNode [2024-05-06 22:07:09,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 22:07:09,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 22:07:09,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 22:07:09,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 22:07:09,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:07:09" (1/1) ... [2024-05-06 22:07:09,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:07:09" (1/1) ... [2024-05-06 22:07:09,548 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 22, statements flattened = 287 [2024-05-06 22:07:09,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 22:07:09,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 22:07:09,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 22:07:09,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 22:07:09,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:07:09" (1/1) ... [2024-05-06 22:07:09,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:07:09" (1/1) ... [2024-05-06 22:07:09,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:07:09" (1/1) ... [2024-05-06 22:07:09,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:07:09" (1/1) ... [2024-05-06 22:07:09,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:07:09" (1/1) ... [2024-05-06 22:07:09,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:07:09" (1/1) ... [2024-05-06 22:07:09,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:07:09" (1/1) ... [2024-05-06 22:07:09,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:07:09" (1/1) ... [2024-05-06 22:07:09,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 22:07:09,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 22:07:09,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 22:07:09,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 22:07:09,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:07:09" (1/1) ... [2024-05-06 22:07:09,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 22:07:09,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:07:09,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-06 22:07:09,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-06 22:07:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 22:07:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 22:07:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 22:07:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 22:07:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 22:07:09,669 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 22:07:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 22:07:09,670 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 22:07:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-06 22:07:09,670 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-06 22:07:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 22:07:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-06 22:07:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-06 22:07:09,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-06 22:07:09,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 22:07:09,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 22:07:09,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 22:07:09,673 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 22:07:09,804 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 22:07:09,807 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 22:07:10,258 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 22:07:10,400 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 22:07:10,400 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2024-05-06 22:07:10,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 10:07:10 BoogieIcfgContainer [2024-05-06 22:07:10,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 22:07:10,408 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 22:07:10,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 22:07:10,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 22:07:10,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 10:07:09" (1/3) ... [2024-05-06 22:07:10,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ce9155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 10:07:10, skipping insertion in model container [2024-05-06 22:07:10,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:07:09" (2/3) ... [2024-05-06 22:07:10,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ce9155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 10:07:10, skipping insertion in model container [2024-05-06 22:07:10,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 10:07:10" (3/3) ... [2024-05-06 22:07:10,415 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-05-06 22:07:10,422 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 22:07:10,429 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 22:07:10,429 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 22:07:10,429 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 22:07:10,510 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-06 22:07:10,567 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 22:07:10,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 22:07:10,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:07:10,569 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-06 22:07:10,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-06 22:07:10,597 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 22:07:10,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:07:10,609 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 22:07:10,615 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c9b9b1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 22:07:10,615 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-06 22:07:12,807 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:07:12,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:07:12,812 INFO L85 PathProgramCache]: Analyzing trace with hash -975437117, now seen corresponding path program 1 times [2024-05-06 22:07:12,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:07:12,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694332643] [2024-05-06 22:07:12,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:07:12,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:07:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:07:13,216 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-05-06 22:07:13,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:07:13,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694332643] [2024-05-06 22:07:13,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694332643] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 22:07:13,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 22:07:13,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 22:07:13,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819898653] [2024-05-06 22:07:13,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 22:07:13,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 22:07:13,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:07:13,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 22:07:13,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 22:07:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:07:13,254 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:07:13,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 104.5) internal successors, (209), 2 states have internal predecessors, (209), 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) [2024-05-06 22:07:13,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:07:13,762 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:07:13,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-06 22:07:22,392 INFO L85 PathProgramCache]: Analyzing trace with hash -447344525, now seen corresponding path program 1 times [2024-05-06 22:07:22,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:07:22,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:07:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:07:22,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-06 22:07:22,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:07:22,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:07:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:07:23,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-06 22:07:23,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 22:07:23,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-05-06 22:07:23,553 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:07:23,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-06 22:07:33,826 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-06 22:07:37,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1993815033, now seen corresponding path program 1 times [2024-05-06 22:07:37,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:07:37,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:07:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:07:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 22:07:38,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:07:38,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:07:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:07:38,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 22:07:38,681 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:07:38,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-06 22:07:46,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1672567942, now seen corresponding path program 1 times [2024-05-06 22:07:46,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:07:46,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:07:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:07:47,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 22:07:47,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:07:47,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:07:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:07:47,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 22:07:49,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:07:49,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable0 [2024-05-06 22:07:49,145 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:07:49,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:07:49,146 INFO L85 PathProgramCache]: Analyzing trace with hash -760110973, now seen corresponding path program 1 times [2024-05-06 22:07:49,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:07:49,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650760899] [2024-05-06 22:07:49,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:07:49,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:07:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:07:49,561 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-05-06 22:07:49,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:07:49,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650760899] [2024-05-06 22:07:49,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650760899] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:07:49,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614950582] [2024-05-06 22:07:49,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:07:49,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:07:49,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:07:49,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:07:49,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 22:07:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:07:49,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-06 22:07:49,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:07:50,151 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-05-06 22:07:50,152 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:07:50,491 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-05-06 22:07:50,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614950582] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:07:50,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:07:50,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-05-06 22:07:50,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415512817] [2024-05-06 22:07:50,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:07:50,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-06 22:07:50,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:07:50,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-06 22:07:50,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2024-05-06 22:07:50,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:07:50,496 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:07:50,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 13.4) internal successors, (335), 25 states have internal predecessors, (335), 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) [2024-05-06 22:07:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:07:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:07:51,013 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:07:51,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-06 22:07:57,224 WARN L293 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 25 DAG size of output: 21 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-06 22:08:05,309 INFO L85 PathProgramCache]: Analyzing trace with hash -296259201, now seen corresponding path program 2 times [2024-05-06 22:08:05,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:08:05,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:08:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:08:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 22:08:05,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:08:05,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:08:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:08:06,042 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 22:08:06,172 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:08:06,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-06 22:08:16,368 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-06 22:08:27,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1952511424, now seen corresponding path program 2 times [2024-05-06 22:08:27,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:08:27,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:08:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:08:28,122 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 22:08:28,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:08:28,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:08:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:08:28,352 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 22:08:29,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:08:29,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 22:08:29,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-06 22:08:30,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-05-06 22:08:30,020 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:08:30,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:08:30,021 INFO L85 PathProgramCache]: Analyzing trace with hash -184012791, now seen corresponding path program 2 times [2024-05-06 22:08:30,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:08:30,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223720107] [2024-05-06 22:08:30,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:08:30,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:08:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:08:30,458 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 104 proven. 21 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-05-06 22:08:30,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:08:30,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223720107] [2024-05-06 22:08:30,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223720107] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:08:30,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372815181] [2024-05-06 22:08:30,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 22:08:30,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:08:30,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:08:30,461 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:08:30,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 22:08:30,757 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 22:08:30,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:08:30,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-06 22:08:30,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:08:31,274 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 104 proven. 21 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-05-06 22:08:31,274 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:08:31,876 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 115 proven. 10 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-05-06 22:08:31,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372815181] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:08:31,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:08:31,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 36 [2024-05-06 22:08:31,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418011590] [2024-05-06 22:08:31,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:08:31,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-05-06 22:08:31,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:08:31,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-05-06 22:08:31,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1080, Unknown=0, NotChecked=0, Total=1260 [2024-05-06 22:08:31,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:08:31,880 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:08:31,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 12.444444444444445) internal successors, (448), 36 states have internal predecessors, (448), 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) [2024-05-06 22:08:31,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:08:31,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 22:08:31,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:08:32,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:08:32,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-06 22:08:42,911 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-06 22:08:56,994 INFO L85 PathProgramCache]: Analyzing trace with hash -803419899, now seen corresponding path program 3 times [2024-05-06 22:08:56,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:08:56,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:08:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:08:57,516 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 22:08:57,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:08:57,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:08:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:08:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 22:08:57,936 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:08:57,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-06 22:09:06,187 WARN L293 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 32 DAG size of output: 28 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-06 22:09:22,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1867013626, now seen corresponding path program 3 times [2024-05-06 22:09:22,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:09:22,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:09:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:09:31,557 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-06 22:09:31,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:09:31,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:09:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:09:31,931 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-06 22:09:33,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:09:33,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 22:09:33,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:09:33,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-06 22:09:33,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-05-06 22:09:33,499 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:09:33,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:09:33,499 INFO L85 PathProgramCache]: Analyzing trace with hash 926013839, now seen corresponding path program 3 times [2024-05-06 22:09:33,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:09:33,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614973975] [2024-05-06 22:09:33,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:09:33,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:09:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:09:33,984 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 112 proven. 72 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-06 22:09:33,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:09:33,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614973975] [2024-05-06 22:09:33,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614973975] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:09:33,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612378953] [2024-05-06 22:09:33,985 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 22:09:33,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:09:33,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:09:33,989 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:09:33,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-06 22:09:34,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-06 22:09:34,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:09:34,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-06 22:09:34,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:09:34,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-05-06 22:09:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 75 proven. 32 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-05-06 22:09:34,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:09:35,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-05-06 22:09:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 73 proven. 34 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-05-06 22:09:35,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612378953] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:09:35,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:09:35,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12, 12] total 39 [2024-05-06 22:09:35,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616665279] [2024-05-06 22:09:35,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:09:35,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-05-06 22:09:35,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:09:35,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-05-06 22:09:35,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1360, Unknown=0, NotChecked=0, Total=1482 [2024-05-06 22:09:35,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:09:35,330 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:09:35,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 15.692307692307692) internal successors, (612), 39 states have internal predecessors, (612), 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) [2024-05-06 22:09:35,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:09:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 22:09:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:09:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:09:36,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:09:36,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-06 22:09:44,807 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification. DAG size of input: 25 DAG size of output: 21 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-06 22:09:50,920 INFO L85 PathProgramCache]: Analyzing trace with hash -93438484, now seen corresponding path program 1 times [2024-05-06 22:09:50,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:09:50,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:09:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:09:57,853 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-06 22:09:57,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:09:57,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:09:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:09:58,103 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-06 22:09:58,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:09:58,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-06 22:10:02,519 INFO L85 PathProgramCache]: Analyzing trace with hash 159826483, now seen corresponding path program 1 times [2024-05-06 22:10:02,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:10:02,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:10:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:10:05,055 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-06 22:10:05,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:10:05,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:10:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:10:05,368 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-06 22:10:06,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:10:06,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 22:10:06,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:10:06,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 22:10:06,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-06 22:10:07,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-06 22:10:07,109 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:10:07,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:10:07,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1715248266, now seen corresponding path program 1 times [2024-05-06 22:10:07,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:10:07,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938563157] [2024-05-06 22:10:07,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:10:07,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:10:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:10:07,611 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-05-06 22:10:07,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:10:07,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938563157] [2024-05-06 22:10:07,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938563157] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:10:07,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918555048] [2024-05-06 22:10:07,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:10:07,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:10:07,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:10:07,617 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:10:07,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-06 22:10:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:10:07,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-06 22:10:07,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:10:08,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-05-06 22:10:08,222 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 75 proven. 33 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-05-06 22:10:08,222 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:10:08,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-05-06 22:10:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 73 proven. 35 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-05-06 22:10:08,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918555048] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:10:08,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:10:08,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2024-05-06 22:10:08,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198951118] [2024-05-06 22:10:08,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:10:08,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-05-06 22:10:08,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:10:08,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-05-06 22:10:08,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=931, Unknown=0, NotChecked=0, Total=1056 [2024-05-06 22:10:08,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:10:08,684 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:10:08,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 11.121212121212121) internal successors, (367), 33 states have internal predecessors, (367), 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) [2024-05-06 22:10:08,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:10:08,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 22:10:08,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:10:08,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 22:10:08,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:10:09,400 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:10:09,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-06 22:10:19,683 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-06 22:10:34,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1688883277, now seen corresponding path program 2 times [2024-05-06 22:10:34,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:10:34,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:10:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:10:35,904 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-06 22:10:35,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:10:35,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:10:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:10:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-06 22:10:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:10:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 22:10:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:10:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 22:10:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-06 22:10:37,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-06 22:10:37,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2024-05-06 22:10:37,965 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:10:37,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:10:37,966 INFO L85 PathProgramCache]: Analyzing trace with hash 400177367, now seen corresponding path program 2 times [2024-05-06 22:10:37,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:10:37,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989183464] [2024-05-06 22:10:37,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:10:37,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:10:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:10:42,122 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 22 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:10:42,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:10:42,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989183464] [2024-05-06 22:10:42,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989183464] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:10:42,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847922590] [2024-05-06 22:10:42,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 22:10:42,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:10:42,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:10:42,125 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:10:42,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-06 22:10:42,418 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 22:10:42,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:10:42,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 42 conjunts are in the unsatisfiable core [2024-05-06 22:10:42,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:10:43,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-05-06 22:10:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 73 proven. 133 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-05-06 22:10:43,767 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:10:43,966 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:10:43,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 17 [2024-05-06 22:10:44,480 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 95 proven. 16 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-05-06 22:10:44,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847922590] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:10:44,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:10:44,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 21, 12] total 85 [2024-05-06 22:10:44,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536025534] [2024-05-06 22:10:44,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:10:44,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-05-06 22:10:44,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:10:44,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-05-06 22:10:44,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=6870, Unknown=0, NotChecked=0, Total=7140 [2024-05-06 22:10:44,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:10:44,486 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:10:44,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 8.176470588235293) internal successors, (695), 85 states have internal predecessors, (695), 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) [2024-05-06 22:10:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:10:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 22:10:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:10:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 22:10:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-06 22:10:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:11:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:11:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 22:11:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:11:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 22:11:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-06 22:11:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-06 22:11:10,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-06 22:11:10,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-05-06 22:11:10,718 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:11:10,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:11:10,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1933884139, now seen corresponding path program 1 times [2024-05-06 22:11:10,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:11:10,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543213936] [2024-05-06 22:11:10,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:11:10,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:11:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:11:12,186 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 408 proven. 481 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-06 22:11:12,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:11:12,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543213936] [2024-05-06 22:11:12,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543213936] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:11:12,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132271615] [2024-05-06 22:11:12,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:11:12,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:11:12,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:11:12,188 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:11:12,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-06 22:11:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:11:12,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-06 22:11:12,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:11:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 510 proven. 105 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-05-06 22:11:13,797 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:11:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 530 proven. 85 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-05-06 22:11:15,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132271615] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:11:15,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:11:15,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 27, 27] total 81 [2024-05-06 22:11:15,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827001917] [2024-05-06 22:11:15,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:11:15,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-05-06 22:11:15,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:11:15,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-05-06 22:11:15,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=737, Invalid=5743, Unknown=0, NotChecked=0, Total=6480 [2024-05-06 22:11:15,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:11:15,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:11:15,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 11.024691358024691) internal successors, (893), 81 states have internal predecessors, (893), 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) [2024-05-06 22:11:15,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:11:15,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 22:11:15,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:11:15,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 22:11:15,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-06 22:11:15,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-05-06 22:11:15,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:11:19,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:11:19,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 22:11:19,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:11:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 22:11:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-06 22:11:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-06 22:11:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 22:11:19,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-06 22:11:19,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-05-06 22:11:19,932 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:11:19,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:11:19,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1627668751, now seen corresponding path program 2 times [2024-05-06 22:11:19,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:11:19,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822213852] [2024-05-06 22:11:19,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:11:19,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:11:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:11:21,337 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 408 proven. 522 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-06 22:11:21,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:11:21,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822213852] [2024-05-06 22:11:21,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822213852] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:11:21,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618637642] [2024-05-06 22:11:21,338 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 22:11:21,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:11:21,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:11:21,340 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:11:21,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-06 22:11:21,745 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 22:11:21,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:11:21,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-06 22:11:21,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:11:23,155 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 563 proven. 219 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-05-06 22:11:23,155 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:11:24,657 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 656 proven. 126 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-05-06 22:11:24,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618637642] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:11:24,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:11:24,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 31, 31] total 91 [2024-05-06 22:11:24,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608007112] [2024-05-06 22:11:24,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:11:24,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-05-06 22:11:24,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:11:24,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-05-06 22:11:24,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=865, Invalid=7325, Unknown=0, NotChecked=0, Total=8190 [2024-05-06 22:11:24,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:11:24,663 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:11:24,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 10.978021978021978) internal successors, (999), 91 states have internal predecessors, (999), 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) [2024-05-06 22:11:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:11:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 22:11:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:11:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 22:11:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-06 22:11:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-05-06 22:11:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 22:11:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:11:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:11:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 22:11:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:11:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 22:11:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-06 22:11:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-06 22:11:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 22:11:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:11:29,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-06 22:11:29,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:11:29,851 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:11:29,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:11:29,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1358340873, now seen corresponding path program 3 times [2024-05-06 22:11:29,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:11:29,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88361607] [2024-05-06 22:11:29,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:11:29,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:11:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:11:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1007 backedges. 139 proven. 842 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-05-06 22:11:31,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:11:31,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88361607] [2024-05-06 22:11:31,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88361607] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:11:31,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494982242] [2024-05-06 22:11:31,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 22:11:31,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:11:31,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:11:31,145 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:11:31,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-06 22:11:31,587 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-05-06 22:11:31,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:11:31,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 52 conjunts are in the unsatisfiable core [2024-05-06 22:11:31,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:11:32,030 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:11:32,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 17 [2024-05-06 22:11:32,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1007 backedges. 530 proven. 158 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-05-06 22:11:32,692 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:11:33,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 9 [2024-05-06 22:11:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1007 backedges. 472 proven. 167 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-05-06 22:11:33,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494982242] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:11:33,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:11:33,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 27, 23] total 73 [2024-05-06 22:11:33,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667141124] [2024-05-06 22:11:33,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:11:33,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-05-06 22:11:33,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:11:33,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-05-06 22:11:33,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=376, Invalid=4880, Unknown=0, NotChecked=0, Total=5256 [2024-05-06 22:11:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:11:33,935 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:11:33,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 13.780821917808218) internal successors, (1006), 73 states have internal predecessors, (1006), 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) [2024-05-06 22:11:33,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:11:33,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 22:11:33,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:11:33,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 22:11:33,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-06 22:11:33,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-05-06 22:11:33,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 22:11:33,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:11:33,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.