/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 DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 02:49:06,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 02:49:06,448 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 02:49:06,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 02:49:06,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 02:49:06,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 02:49:06,481 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 02:49:06,481 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 02:49:06,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 02:49:06,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 02:49:06,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 02:49:06,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 02:49:06,487 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 02:49:06,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 02:49:06,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 02:49:06,489 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 02:49:06,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 02:49:06,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 02:49:06,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 02:49:06,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 02:49:06,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 02:49:06,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 02:49:06,491 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 02:49:06,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 02:49:06,491 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 02:49:06,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 02:49:06,492 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 02:49:06,492 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 02:49:06,492 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 02:49:06,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 02:49:06,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 02:49:06,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 02:49:06,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 02:49:06,494 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 02:49:06,494 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 02:49:06,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 02:49:06,495 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 02:49:06,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 02:49:06,495 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 02:49:06,495 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-04-04 02:49:06,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 02:49:06,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 02:49:06,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 02:49:06,788 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 02:49:06,788 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 02:49:06,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-04-04 02:49:07,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 02:49:08,095 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 02:49:08,096 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-04-04 02:49:08,105 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/58767a8ba/90b98de206f5481fbb23f1b4f4f31171/FLAG505666be8 [2024-04-04 02:49:08,118 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/58767a8ba/90b98de206f5481fbb23f1b4f4f31171 [2024-04-04 02:49:08,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 02:49:08,121 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 02:49:08,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 02:49:08,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 02:49:08,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 02:49:08,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 02:49:08" (1/1) ... [2024-04-04 02:49:08,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e19bfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:49:08, skipping insertion in model container [2024-04-04 02:49:08,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 02:49:08" (1/1) ... [2024-04-04 02:49:08,158 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 02:49:08,303 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/parallel-lamport.wvr.c[4210,4223] [2024-04-04 02:49:08,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 02:49:08,321 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 02:49:08,345 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/parallel-lamport.wvr.c[4210,4223] [2024-04-04 02:49:08,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 02:49:08,356 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 02:49:08,356 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 02:49:08,363 INFO L206 MainTranslator]: Completed translation [2024-04-04 02:49:08,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:49:08 WrapperNode [2024-04-04 02:49:08,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 02:49:08,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 02:49:08,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 02:49:08,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 02:49:08,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:49:08" (1/1) ... [2024-04-04 02:49:08,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:49:08" (1/1) ... [2024-04-04 02:49:08,417 INFO L138 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 243 [2024-04-04 02:49:08,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 02:49:08,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 02:49:08,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 02:49:08,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 02:49:08,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:49:08" (1/1) ... [2024-04-04 02:49:08,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:49:08" (1/1) ... [2024-04-04 02:49:08,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:49:08" (1/1) ... [2024-04-04 02:49:08,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:49:08" (1/1) ... [2024-04-04 02:49:08,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:49:08" (1/1) ... [2024-04-04 02:49:08,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:49:08" (1/1) ... [2024-04-04 02:49:08,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:49:08" (1/1) ... [2024-04-04 02:49:08,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:49:08" (1/1) ... [2024-04-04 02:49:08,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 02:49:08,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 02:49:08,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 02:49:08,471 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 02:49:08,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:49:08" (1/1) ... [2024-04-04 02:49:08,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 02:49:08,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 02:49:08,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-04 02:49:08,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-04 02:49:08,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 02:49:08,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 02:49:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 02:49:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 02:49:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 02:49:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 02:49:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 02:49:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 02:49:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 02:49:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 02:49:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 02:49:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 02:49:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 02:49:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 02:49:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 02:49:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 02:49:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 02:49:08,571 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 02:49:08,702 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 02:49:08,704 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 02:49:09,058 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 02:49:09,179 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 02:49:09,179 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-04-04 02:49:09,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 02:49:09 BoogieIcfgContainer [2024-04-04 02:49:09,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 02:49:09,192 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 02:49:09,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 02:49:09,195 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 02:49:09,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 02:49:08" (1/3) ... [2024-04-04 02:49:09,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117dc7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 02:49:09, skipping insertion in model container [2024-04-04 02:49:09,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:49:08" (2/3) ... [2024-04-04 02:49:09,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117dc7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 02:49:09, skipping insertion in model container [2024-04-04 02:49:09,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 02:49:09" (3/3) ... [2024-04-04 02:49:09,197 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2024-04-04 02:49:09,210 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 02:49:09,219 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 02:49:09,219 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 02:49:09,219 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 02:49:09,292 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-04 02:49:09,338 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 02:49:09,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 02:49:09,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 02:49:09,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 02:49:09,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-04 02:49:09,384 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 02:49:09,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 02:49:09,405 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 02:49:09,412 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;@6f1cd973, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 02:49:09,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 02:49:09,550 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)] === [2024-04-04 02:49:09,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 02:49:09,552 INFO L85 PathProgramCache]: Analyzing trace with hash 941376213, now seen corresponding path program 1 times [2024-04-04 02:49:09,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 02:49:09,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364131106] [2024-04-04 02:49:09,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:49:09,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:49:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:49:09,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 02:49:09,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 02:49:09,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364131106] [2024-04-04 02:49:09,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364131106] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 02:49:09,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 02:49:09,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 02:49:09,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039346667] [2024-04-04 02:49:09,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 02:49:09,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 02:49:09,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 02:49:09,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 02:49:09,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 02:49:09,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:49:09,873 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 02:49:09,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 02:49:09,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:49:09,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:49:09,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 02:49:09,955 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)] === [2024-04-04 02:49:09,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 02:49:09,956 INFO L85 PathProgramCache]: Analyzing trace with hash -467458075, now seen corresponding path program 1 times [2024-04-04 02:49:09,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 02:49:09,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489757133] [2024-04-04 02:49:09,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:49:09,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:49:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:49:10,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 02:49:10,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 02:49:10,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489757133] [2024-04-04 02:49:10,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489757133] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 02:49:10,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 02:49:10,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 02:49:10,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732494048] [2024-04-04 02:49:10,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 02:49:10,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 02:49:10,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 02:49:10,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 02:49:10,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-04 02:49:10,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:49:10,507 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 02:49:10,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 02:49:10,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:49:10,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:49:10,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:49:10,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:49:10,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 02:49:10,726 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)] === [2024-04-04 02:49:10,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 02:49:10,728 INFO L85 PathProgramCache]: Analyzing trace with hash 120148031, now seen corresponding path program 1 times [2024-04-04 02:49:10,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 02:49:10,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646326922] [2024-04-04 02:49:10,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:49:10,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:49:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:49:12,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 02:49:12,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 02:49:12,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646326922] [2024-04-04 02:49:12,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646326922] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 02:49:12,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451781430] [2024-04-04 02:49:12,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:49:12,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 02:49:12,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 02:49:12,288 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 02:49:12,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 02:49:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:49:12,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 61 conjunts are in the unsatisfiable core [2024-04-04 02:49:12,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 02:49:12,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-04-04 02:49:12,560 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-04-04 02:49:12,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-04-04 02:49:13,013 INFO L349 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2024-04-04 02:49:13,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2024-04-04 02:49:13,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-04-04 02:49:14,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-04 02:49:14,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-04 02:49:14,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-04 02:49:15,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 02:49:15,101 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 02:49:15,283 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_66 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse0 (select .cse1 (+ c_~f~0.offset (* c_~j~0 4))))) (or (< c_~n~0 (+ .cse0 1)) (= (select .cse1 (+ c_~f~0.offset (* 4 .cse0))) c_~i~0) (< .cse0 0))))) is different from false [2024-04-04 02:49:15,781 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ c_~f~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse1 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse0 (select .cse1 .cse2))) (or (< .cse0 0) (< c_~n~0 (+ .cse0 1)) (< c_~n~0 (+ (select .cse1 (+ (* .cse0 4) c_~f~0.offset)) 2)))))) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse4 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse3 (select .cse4 .cse2))) (or (< .cse3 0) (< c_~n~0 (+ .cse3 1)) (< (select .cse4 (+ (* .cse3 4) c_~f~0.offset)) 1))))))) is different from false [2024-04-04 02:49:16,196 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ c_~f~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse1 (select .cse0 .cse2))) (or (< c_~n~0 (+ 2 (select .cse0 (+ (* .cse1 4) c_~f~0.offset)))) (< c_~n~0 (+ .cse1 1)) (< .cse1 0))))) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse4 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse3 (select .cse4 .cse2))) (or (< c_~n~0 (+ .cse3 1)) (< (select .cse4 (+ (* .cse3 4) c_~f~0.offset)) 1) (< .cse3 0))))))) is different from false [2024-04-04 02:49:16,580 WARN L854 $PredicateComparison]: unable to prove that (or (let ((.cse2 (+ c_~f~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse1 (select .cse0 .cse2))) (or (< c_~n~0 (+ 2 (select .cse0 (+ (* .cse1 4) c_~f~0.offset)))) (< c_~n~0 (+ .cse1 1)) (< .cse1 0))))) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse4 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse3 (select .cse4 .cse2))) (or (< c_~n~0 (+ .cse3 1)) (< (select .cse4 (+ (* .cse3 4) c_~f~0.offset)) 1) (< .cse3 0))))))) (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)) is different from false [2024-04-04 02:49:16,847 WARN L854 $PredicateComparison]: unable to prove that (or (let ((.cse2 (+ c_~f~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse1 (select .cse0 .cse2))) (or (< c_~n~0 (+ 2 (select .cse0 (+ (* .cse1 4) c_~f~0.offset)))) (< c_~n~0 (+ .cse1 1)) (< .cse1 0))))) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse4 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse3 (select .cse4 .cse2))) (or (< c_~n~0 (+ .cse3 1)) (< (select .cse4 (+ (* .cse3 4) c_~f~0.offset)) 1) (< .cse3 0))))))) (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (< c_~i~0 0) (< c_~n~0 (+ c_~i~0 1))) is different from false [2024-04-04 02:49:16,887 WARN L854 $PredicateComparison]: unable to prove that (or (let ((.cse2 (+ c_~f~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse1 (select .cse0 .cse2))) (or (< c_~n~0 (+ 2 (select .cse0 (+ (* .cse1 4) c_~f~0.offset)))) (< c_~n~0 (+ .cse1 1)) (< .cse1 0))))) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse4 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse3 (select .cse4 .cse2))) (or (< c_~n~0 (+ .cse3 1)) (< (select .cse4 (+ (* .cse3 4) c_~f~0.offset)) 1) (< .cse3 0))))))) (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (< c_~i~0 0) (< c_~n~0 (+ c_~i~0 1))) is different from false [2024-04-04 02:49:24,015 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 02:49:24,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 94 [2024-04-04 02:49:24,035 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 02:49:24,035 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 1012 [2024-04-04 02:49:24,089 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 02:49:24,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 480 treesize of output 404 [2024-04-04 02:49:24,125 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 02:49:24,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 182 treesize of output 178 [2024-04-04 02:49:24,164 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 02:49:24,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 203 treesize of output 175 [2024-04-04 02:49:25,324 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-04-04 02:49:25,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 128 treesize of output 1 [2024-04-04 02:49:25,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 02:49:25,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451781430] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 02:49:25,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 02:49:25,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 31, 28] total 73 [2024-04-04 02:49:25,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059337559] [2024-04-04 02:49:25,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 02:49:25,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-04 02:49:25,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 02:49:25,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-04 02:49:25,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=3851, Unknown=57, NotChecked=810, Total=5256 [2024-04-04 02:49:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:49:25,903 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 02:49:25,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 5.890410958904109) internal successors, (430), 73 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 02:49:25,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:49:25,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:49:25,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:49:26,002 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 (select |c_#memory_int| c_~f~0.base)) (.cse14 (+ c_~f~0.offset (* c_~j~0 4)))) (let ((.cse0 (select .cse9 .cse14)) (.cse21 (and (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse26 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse27 (select .cse26 .cse14))) (or (< c_~n~0 (+ 2 (select .cse26 (+ (* .cse27 4) c_~f~0.offset)))) (< c_~n~0 (+ .cse27 1)) (< .cse27 0))))) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse29 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse28 (select .cse29 .cse14))) (or (< c_~n~0 (+ .cse28 1)) (< (select .cse29 (+ (* .cse28 4) c_~f~0.offset)) 1) (< .cse28 0))))))) (.cse5 (< c_~n~0 1)) (.cse6 (= c_~n~0 1))) (and (or (< c_~j~0 0) (< c_~n~0 (+ c_~j~0 1)) (= .cse0 c_~i~0)) (forall ((~i~0 Int)) (or (< ~i~0 0) (< c_~n~0 (+ ~i~0 1)) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse2 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse1 (select .cse2 (+ (* ~i~0 4) c_~f~0.offset)))) (or (< c_~n~0 (+ .cse1 1)) (< .cse1 0) (< c_~n~0 (+ (select .cse2 (+ (* .cse1 4) c_~f~0.offset)) 2)))))))) (forall ((~i~0 Int)) (or (< ~i~0 0) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse4 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) |c_ULTIMATE.start_main_#t~ret12#1.base|))) (let ((.cse3 (select .cse4 (+ (* ~i~0 4) |c_ULTIMATE.start_main_#t~ret12#1.offset|)))) (or (< .cse3 0) (< c_~n~0 (+ .cse3 1)) (< c_~n~0 (+ (select .cse4 (+ (* .cse3 4) |c_ULTIMATE.start_main_#t~ret12#1.offset|)) 2)))))) (< c_~n~0 (+ ~i~0 1)))) (or (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc22#1.base_8| Int)) (or (< |c_#StackHeapBarrier| (+ |v_ULTIMATE.start_create_fresh_int_array_#t~malloc22#1.base_8| 1)) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc22#1.base_8|) 0)))) .cse5 .cse6 (< 1 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|)) (forall ((~i~0 Int)) (or (< ~i~0 0) (< c_~n~0 (+ ~i~0 1)) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse7 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse8 (select .cse7 (+ (* ~i~0 4) c_~f~0.offset)))) (or (< (select .cse7 (+ (* .cse8 4) c_~f~0.offset)) 1) (< c_~n~0 (+ .cse8 1)) (< .cse8 0))))))) (or (< c_~n~0 (+ .cse0 1)) (< .cse0 0) (= c_~i~0 (select .cse9 (+ c_~f~0.offset (* .cse0 4))))) (forall ((~i~0 Int)) (or (< ~i~0 0) (< c_~n~0 (+ ~i~0 1)) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse11 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) |c_ULTIMATE.start_main_#t~ret12#1.base|))) (let ((.cse10 (select .cse11 (+ (* ~i~0 4) |c_ULTIMATE.start_main_#t~ret12#1.offset|)))) (or (< .cse10 0) (< (select .cse11 (+ (* .cse10 4) |c_ULTIMATE.start_main_#t~ret12#1.offset|)) 1) (< c_~n~0 (+ .cse10 1)))))))) (forall ((v_ArrVal_66 (Array Int Int))) (let ((.cse12 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse13 (select .cse12 .cse14))) (or (< (select .cse12 (+ c_~f~0.offset (* 4 .cse13))) 1) (< c_~n~0 (+ .cse13 1)) (< .cse13 0))))) (or (< 1 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (forall ((~i~0 Int)) (or (< ~i~0 0) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse16 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse15 (select .cse16 (+ (* ~i~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (< .cse15 0) (< (select .cse16 (+ (* .cse15 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 1) (< c_~n~0 (+ .cse15 1)))))) (< c_~n~0 (+ ~i~0 1)))) (forall ((~i~0 Int)) (or (< ~i~0 0) (< c_~n~0 (+ ~i~0 1)) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse18 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (let ((.cse17 (select .cse18 (+ (* ~i~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (< .cse17 0) (< (select .cse18 (+ (* .cse17 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) 1) (< c_~n~0 (+ .cse17 1)))))))) (forall ((~i~0 Int)) (or (< ~i~0 0) (< c_~n~0 (+ ~i~0 1)) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse19 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (let ((.cse20 (select .cse19 (+ (* ~i~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (< c_~n~0 (+ 2 (select .cse19 (+ (* .cse20 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (< .cse20 0) (< c_~n~0 (+ .cse20 1)))))))) (or .cse21 (< c_~i~0 0) (< c_~n~0 (+ c_~i~0 1))) (or .cse21 (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 0)) (forall ((~i~0 Int)) (or (< ~i~0 0) (< c_~n~0 (+ ~i~0 1)) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse22 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse23 (select .cse22 (+ (* ~i~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (< c_~n~0 (+ (select .cse22 (+ (* .cse23 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 2)) (< .cse23 0) (< c_~n~0 (+ .cse23 1)))))))) (or .cse5 (< (+ 1 |c_ULTIMATE.start_create_fresh_int_array_~i~1#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse6) (forall ((v_ArrVal_66 (Array Int Int))) (let ((.cse25 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse24 (select .cse25 .cse14))) (or (< c_~n~0 (+ .cse24 1)) (< c_~n~0 (+ (select .cse25 (+ c_~f~0.offset (* 4 .cse24))) 2)) (< .cse24 0)))))))) is different from false [2024-04-04 02:49:27,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:49:27,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:49:27,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 02:49:27,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-04 02:49:28,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-04 02:49:28,096 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)] === [2024-04-04 02:49:28,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 02:49:28,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1785299303, now seen corresponding path program 2 times [2024-04-04 02:49:28,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 02:49:28,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413477289] [2024-04-04 02:49:28,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:49:28,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:49:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:49:30,820 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 02:49:30,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 02:49:30,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413477289] [2024-04-04 02:49:30,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413477289] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 02:49:30,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931795800] [2024-04-04 02:49:30,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 02:49:30,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 02:49:30,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 02:49:30,824 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 02:49:30,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 02:49:31,103 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-04-04 02:49:31,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 02:49:31,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 41 conjunts are in the unsatisfiable core [2024-04-04 02:49:31,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 02:49:31,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-04-04 02:49:31,330 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 02:49:31,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-04-04 02:49:32,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 02:49:32,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2024-04-04 02:49:32,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2024-04-04 02:49:32,340 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 02:49:32,341 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2024-04-04 02:49:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 02:49:32,375 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 02:49:32,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931795800] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 02:49:32,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 02:49:32,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [32] total 48 [2024-04-04 02:49:32,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584540129] [2024-04-04 02:49:32,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 02:49:32,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-04-04 02:49:32,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 02:49:32,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-04 02:49:32,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=2129, Unknown=0, NotChecked=0, Total=2256 [2024-04-04 02:49:32,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:49:32,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 02:49:32,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.545454545454546) internal successors, (166), 22 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 02:49:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:49:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:49:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 02:49:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:49:34,273 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 02:49:34,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-04-04 02:49:34,446 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 02:49:34,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 02:49:34,833 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 02:49:34,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 02:49:34,866 INFO L85 PathProgramCache]: Analyzing trace with hash 198835789, now seen corresponding path program 1 times [2024-04-04 02:49:34,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:49:34,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:49:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:49:35,030 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 02:49:35,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:49:35,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:49:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:49:35,136 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 02:49:35,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 02:49:35,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-04-04 02:49:36,465 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 02:49:36,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 02:49:36,557 INFO L85 PathProgramCache]: Analyzing trace with hash 2070285016, now seen corresponding path program 1 times [2024-04-04 02:49:36,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:49:36,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:49:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:49:36,633 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 02:49:36,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:49:36,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:49:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:49:36,700 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 02:49:36,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-04 02:49:36,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-04-04 02:49:37,430 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 02:49:37,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-04-04 02:49:38,347 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 02:49:38,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 02:49:38,600 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 02:49:38,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 16 [2024-04-04 02:49:39,361 INFO L85 PathProgramCache]: Analyzing trace with hash -882418162, now seen corresponding path program 1 times [2024-04-04 02:49:39,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:49:39,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:49:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:49:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 02:49:39,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:49:39,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:49:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:49:39,653 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 02:49:39,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 02:49:39,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462 [2024-04-04 02:49:41,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-04 02:49:41,326 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 02:49:41,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 02:49:43,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1189863945, now seen corresponding path program 1 times [2024-04-04 02:49:43,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:49:43,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:49:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:49:43,483 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 02:49:43,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:49:43,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:49:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:49:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 02:49:43,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 02:49:43,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=693, Unknown=1, NotChecked=0, Total=812 [2024-04-04 02:49:44,484 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 02:49:44,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-04-04 02:49:44,613 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 02:49:44,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 02:49:44,976 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 02:49:44,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 02:49:45,160 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 02:49:45,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 16 [2024-04-04 02:49:45,325 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 02:49:45,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 02:49:45,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 02:49:45,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-04-04 02:49:45,637 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@10f54d96 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.checkInternal(MonolithicHoareTripleChecker.java:83) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:73) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.LoopLockstepOrder$WrapperAutomaton.internalSuccessors(LoopLockstepOrder.java:196) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.LoopLockstepOrder$WrapperAutomaton.internalSuccessors(LoopLockstepOrder.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:169) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.(NestedIterator.java:62) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIteratorNoopConstruction.(NestedIteratorNoopConstruction.java:48) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$1(INwaOutgoingLetterAndTransitionProvider.java:124) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:173) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.visitors.DeadEndOptimizingSearchVisitor.discoverState(DeadEndOptimizingSearchVisitor.java:73) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:222) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:329) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:362) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-04-04 02:49:45,641 INFO L158 Benchmark]: Toolchain (without parser) took 37520.37ms. Allocated memory was 257.9MB in the beginning and 666.9MB in the end (delta: 408.9MB). Free memory was 186.2MB in the beginning and 246.8MB in the end (delta: -60.7MB). Peak memory consumption was 348.8MB. Max. memory is 8.0GB. [2024-04-04 02:49:45,641 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 257.9MB. Free memory is still 226.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 02:49:45,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.89ms. Allocated memory is still 257.9MB. Free memory was 186.2MB in the beginning and 173.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-04 02:49:45,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.80ms. Allocated memory is still 257.9MB. Free memory was 173.5MB in the beginning and 171.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 02:49:45,642 INFO L158 Benchmark]: Boogie Preprocessor took 52.54ms. Allocated memory is still 257.9MB. Free memory was 171.3MB in the beginning and 169.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 02:49:45,642 INFO L158 Benchmark]: RCFGBuilder took 718.49ms. Allocated memory is still 257.9MB. Free memory was 169.4MB in the beginning and 207.5MB in the end (delta: -38.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-04-04 02:49:45,643 INFO L158 Benchmark]: TraceAbstraction took 36448.83ms. Allocated memory was 257.9MB in the beginning and 666.9MB in the end (delta: 408.9MB). Free memory was 206.5MB in the beginning and 246.8MB in the end (delta: -40.4MB). Peak memory consumption was 369.1MB. Max. memory is 8.0GB. [2024-04-04 02:49:45,644 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 257.9MB. Free memory is still 226.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 241.89ms. Allocated memory is still 257.9MB. Free memory was 186.2MB in the beginning and 173.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.80ms. Allocated memory is still 257.9MB. Free memory was 173.5MB in the beginning and 171.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.54ms. Allocated memory is still 257.9MB. Free memory was 171.3MB in the beginning and 169.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 718.49ms. Allocated memory is still 257.9MB. Free memory was 169.4MB in the beginning and 207.5MB in the end (delta: -38.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 36448.83ms. Allocated memory was 257.9MB in the beginning and 666.9MB in the end (delta: 408.9MB). Free memory was 206.5MB in the beginning and 246.8MB in the end (delta: -40.4MB). Peak memory consumption was 369.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@10f54d96 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@10f54d96: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-04-04 02:49:45,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-04 02:49:45,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...