/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 NONE -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-17da818-m [2024-05-04 20:13:28,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-04 20:13:28,660 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-04 20:13:28,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-04 20:13:28,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-04 20:13:28,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-04 20:13:28,684 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-04 20:13:28,684 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-04 20:13:28,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-04 20:13:28,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-04 20:13:28,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-04 20:13:28,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-04 20:13:28,686 INFO L153 SettingsManager]: * Use SBE=true [2024-05-04 20:13:28,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-04 20:13:28,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-04 20:13:28,687 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-04 20:13:28,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-04 20:13:28,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-04 20:13:28,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-04 20:13:28,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-04 20:13:28,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-04 20:13:28,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-04 20:13:28,693 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-04 20:13:28,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-04 20:13:28,694 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-04 20:13:28,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-04 20:13:28,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-04 20:13:28,695 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-04 20:13:28,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-04 20:13:28,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 20:13:28,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-04 20:13:28,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-04 20:13:28,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-04 20:13:28,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-04 20:13:28,697 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-04 20:13:28,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-04 20:13:28,697 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-04 20:13:28,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-04 20:13:28,698 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-04 20:13:28,698 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> NONE [2024-05-04 20:13:28,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-04 20:13:28,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-04 20:13:28,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-04 20:13:28,946 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-04 20:13:28,947 INFO L274 PluginConnector]: CDTParser initialized [2024-05-04 20:13:28,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-05-04 20:13:30,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-04 20:13:30,330 INFO L384 CDTParser]: Found 1 translation units. [2024-05-04 20:13:30,331 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-05-04 20:13:30,343 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a0de0e309/18d6f11bd4b144efbcfcc805cecaa16e/FLAG5b948655e [2024-05-04 20:13:30,354 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a0de0e309/18d6f11bd4b144efbcfcc805cecaa16e [2024-05-04 20:13:30,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-04 20:13:30,357 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-04 20:13:30,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-04 20:13:30,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-04 20:13:30,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-04 20:13:30,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:13:30" (1/1) ... [2024-05-04 20:13:30,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a5409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:13:30, skipping insertion in model container [2024-05-04 20:13:30,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:13:30" (1/1) ... [2024-05-04 20:13:30,402 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-04 20:13:30,541 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] [2024-05-04 20:13:30,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-04 20:13:30,559 INFO L202 MainTranslator]: Completed pre-run [2024-05-04 20:13:30,583 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] [2024-05-04 20:13:30,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-04 20:13:30,594 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-04 20:13:30,594 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-04 20:13:30,601 INFO L206 MainTranslator]: Completed translation [2024-05-04 20:13:30,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:13:30 WrapperNode [2024-05-04 20:13:30,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-04 20:13:30,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-04 20:13:30,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-04 20:13:30,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-04 20:13:30,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:13:30" (1/1) ... [2024-05-04 20:13:30,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:13:30" (1/1) ... [2024-05-04 20:13:30,653 INFO L138 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 243 [2024-05-04 20:13:30,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-04 20:13:30,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-04 20:13:30,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-04 20:13:30,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-04 20:13:30,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:13:30" (1/1) ... [2024-05-04 20:13:30,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:13:30" (1/1) ... [2024-05-04 20:13:30,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:13:30" (1/1) ... [2024-05-04 20:13:30,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:13:30" (1/1) ... [2024-05-04 20:13:30,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:13:30" (1/1) ... [2024-05-04 20:13:30,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:13:30" (1/1) ... [2024-05-04 20:13:30,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:13:30" (1/1) ... [2024-05-04 20:13:30,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:13:30" (1/1) ... [2024-05-04 20:13:30,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-04 20:13:30,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-04 20:13:30,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-04 20:13:30,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-04 20:13:30,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:13:30" (1/1) ... [2024-05-04 20:13:30,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 20:13:30,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:13:30,807 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) [2024-05-04 20:13:30,809 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 [2024-05-04 20:13:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-04 20:13:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-04 20:13:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-04 20:13:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-04 20:13:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-04 20:13:30,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-04 20:13:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-04 20:13:30,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-04 20:13:30,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-04 20:13:30,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-04 20:13:30,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-04 20:13:30,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-04 20:13:30,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-04 20:13:30,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-04 20:13:30,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-04 20:13:30,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-04 20:13:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-04 20:13:30,853 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-04 20:13:30,942 INFO L241 CfgBuilder]: Building ICFG [2024-05-04 20:13:30,944 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-04 20:13:31,248 INFO L282 CfgBuilder]: Performing block encoding [2024-05-04 20:13:31,346 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-04 20:13:31,346 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-05-04 20:13:31,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:13:31 BoogieIcfgContainer [2024-05-04 20:13:31,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-04 20:13:31,350 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-04 20:13:31,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-04 20:13:31,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-04 20:13:31,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 08:13:30" (1/3) ... [2024-05-04 20:13:31,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ed2aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:13:31, skipping insertion in model container [2024-05-04 20:13:31,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:13:30" (2/3) ... [2024-05-04 20:13:31,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ed2aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:13:31, skipping insertion in model container [2024-05-04 20:13:31,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:13:31" (3/3) ... [2024-05-04 20:13:31,356 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2024-05-04 20:13:31,363 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-04 20:13:31,373 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-04 20:13:31,373 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-04 20:13:31,373 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-04 20:13:31,449 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-04 20:13:31,490 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-04 20:13:31,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-04 20:13:31,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:13:31,492 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) [2024-05-04 20:13:31,502 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 [2024-05-04 20:13:31,535 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-04 20:13:31,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-04 20:13:31,554 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;@649c3e8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=NONE, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-04 20:13:31,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-04 20:13:31,656 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)] === [2024-05-04 20:13:31,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:13:31,662 INFO L85 PathProgramCache]: Analyzing trace with hash 941376213, now seen corresponding path program 1 times [2024-05-04 20:13:31,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:13:31,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133747669] [2024-05-04 20:13:31,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:13:31,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:13:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:13:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 20:13:32,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:13:32,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133747669] [2024-05-04 20:13:32,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133747669] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 20:13:32,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 20:13:32,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-04 20:13:32,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711397192] [2024-05-04 20:13:32,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 20:13:32,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-04 20:13:32,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:13:32,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-04 20:13:32,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-04 20:13:32,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:32,042 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:13:32,043 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) [2024-05-04 20:13:32,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:32,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:32,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-04 20:13:32,091 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)] === [2024-05-04 20:13:32,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:13:32,091 INFO L85 PathProgramCache]: Analyzing trace with hash -467458075, now seen corresponding path program 1 times [2024-05-04 20:13:32,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:13:32,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258603196] [2024-05-04 20:13:32,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:13:32,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:13:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:13:32,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 20:13:32,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:13:32,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258603196] [2024-05-04 20:13:32,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258603196] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 20:13:32,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 20:13:32,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-04 20:13:32,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063157317] [2024-05-04 20:13:32,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 20:13:32,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-04 20:13:32,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:13:32,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-04 20:13:32,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-04 20:13:32,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:32,540 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:13:32,540 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) [2024-05-04 20:13:32,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:32,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:32,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:32,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-04 20:13:32,687 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)] === [2024-05-04 20:13:32,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:13:32,688 INFO L85 PathProgramCache]: Analyzing trace with hash 120148031, now seen corresponding path program 1 times [2024-05-04 20:13:32,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:13:32,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164532755] [2024-05-04 20:13:32,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:13:32,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:13:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:13:34,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 20:13:34,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:13:34,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164532755] [2024-05-04 20:13:34,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164532755] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:13:34,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438521608] [2024-05-04 20:13:34,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:13:34,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:13:34,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:13:34,278 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) [2024-05-04 20:13:34,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-04 20:13:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:13:34,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 61 conjunts are in the unsatisfiable core [2024-05-04 20:13:34,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:13:34,494 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 [2024-05-04 20:13:34,546 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-05-04 20:13:34,550 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 [2024-05-04 20:13:35,011 INFO L349 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2024-05-04 20:13:35,011 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 [2024-05-04 20:13:35,214 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 [2024-05-04 20:13:36,314 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 [2024-05-04 20:13:36,554 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 [2024-05-04 20:13:36,824 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 [2024-05-04 20:13:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 20:13:37,102 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:13:37,309 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 [2024-05-04 20:13:37,716 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 [2024-05-04 20:13:38,106 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 [2024-05-04 20:13:38,493 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 [2024-05-04 20:13:38,756 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 [2024-05-04 20:13:38,794 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 [2024-05-04 20:13:43,627 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 20:13:43,628 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 [2024-05-04 20:13:43,643 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 20:13:43,643 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 [2024-05-04 20:13:43,689 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 20:13:43,690 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 [2024-05-04 20:13:43,726 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 20:13:43,727 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 [2024-05-04 20:13:43,765 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 20:13:43,765 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 [2024-05-04 20:13:44,766 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-05-04 20:13:44,767 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 [2024-05-04 20:13:45,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 20:13:45,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438521608] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:13:45,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:13:45,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 31, 28] total 73 [2024-05-04 20:13:45,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713086196] [2024-05-04 20:13:45,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:13:45,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-05-04 20:13:45,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:13:45,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-05-04 20:13:45,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=3853, Unknown=55, NotChecked=810, Total=5256 [2024-05-04 20:13:45,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:45,370 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:13:45,371 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) [2024-05-04 20:13:45,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:45,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:45,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:45,477 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 [2024-05-04 20:13:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-04 20:13:47,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-04 20:13:47,459 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 [2024-05-04 20:13:47,459 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)] === [2024-05-04 20:13:47,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:13:47,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1785299303, now seen corresponding path program 2 times [2024-05-04 20:13:47,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:13:47,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451041828] [2024-05-04 20:13:47,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:13:47,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:13:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:13:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 20:13:50,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:13:50,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451041828] [2024-05-04 20:13:50,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451041828] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:13:50,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560588197] [2024-05-04 20:13:50,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 20:13:50,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:13:50,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:13:50,204 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) [2024-05-04 20:13:50,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-04 20:13:50,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-05-04 20:13:50,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:13:50,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 41 conjunts are in the unsatisfiable core [2024-05-04 20:13:50,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:13:50,464 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 [2024-05-04 20:13:50,632 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-04 20:13:50,633 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 [2024-05-04 20:13:51,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 20:13:51,315 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 [2024-05-04 20:13:51,480 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 [2024-05-04 20:13:51,593 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 20:13:51,594 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 [2024-05-04 20:13:51,623 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-04 20:13:51,623 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-04 20:13:51,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560588197] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 20:13:51,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-04 20:13:51,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [32] total 48 [2024-05-04 20:13:51,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291882669] [2024-05-04 20:13:51,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 20:13:51,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-04 20:13:51,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:13:51,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-04 20:13:51,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=2129, Unknown=0, NotChecked=0, Total=2256 [2024-05-04 20:13:51,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:51,628 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:13:51,628 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) [2024-05-04 20:13:51,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:51,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:51,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-04 20:13:51,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-04 20:13:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 20:13:53,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-04 20:13:53,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:13:53,406 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)] === [2024-05-04 20:13:53,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:13:53,407 INFO L85 PathProgramCache]: Analyzing trace with hash -402900861, now seen corresponding path program 3 times [2024-05-04 20:13:53,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:13:53,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61535509] [2024-05-04 20:13:53,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:13:53,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:13:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:13:53,604 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-04 20:13:53,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:13:53,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61535509] [2024-05-04 20:13:53,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61535509] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 20:13:53,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 20:13:53,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-04 20:13:53,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986470690] [2024-05-04 20:13:53,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 20:13:53,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-04 20:13:53,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:13:53,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-04 20:13:53,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-04 20:13:53,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:53,606 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:13:53,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.714285714285715) internal successors, (166), 7 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) [2024-05-04 20:13:53,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:53,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:53,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-04 20:13:53,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 20:13:53,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-04 20:13:53,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 20:13:53,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:53,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-04 20:13:53,926 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)] === [2024-05-04 20:13:53,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:13:53,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1178618859, now seen corresponding path program 4 times [2024-05-04 20:13:53,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:13:53,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480836241] [2024-05-04 20:13:53,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:13:53,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:13:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:13:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-04 20:13:54,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:13:54,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480836241] [2024-05-04 20:13:54,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480836241] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 20:13:54,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 20:13:54,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-04 20:13:54,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248263894] [2024-05-04 20:13:54,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 20:13:54,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-04 20:13:54,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:13:54,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-04 20:13:54,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-04 20:13:54,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:54,034 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:13:54,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 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) [2024-05-04 20:13:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:54,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:54,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-04 20:13:54,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 20:13:54,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:54,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-04 20:13:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 20:13:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 20:13:54,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-04 20:13:54,190 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)] === [2024-05-04 20:13:54,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:13:54,190 INFO L85 PathProgramCache]: Analyzing trace with hash -53267319, now seen corresponding path program 5 times [2024-05-04 20:13:54,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:13:54,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916412307] [2024-05-04 20:13:54,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:13:54,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:13:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:13:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-04 20:13:54,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:13:54,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916412307] [2024-05-04 20:13:54,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916412307] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 20:13:54,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 20:13:54,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-04 20:13:54,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456076277] [2024-05-04 20:13:54,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 20:13:54,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-04 20:13:54,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:13:54,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-04 20:13:54,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-05-04 20:13:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:54,395 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:13:54,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.75) internal successors, (166), 8 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) [2024-05-04 20:13:54,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:54,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:54,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-04 20:13:54,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 20:13:54,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:54,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 20:13:54,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:54,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:54,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:54,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-04 20:13:54,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 20:13:54,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:54,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 20:13:54,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:54,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-04 20:13:54,856 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)] === [2024-05-04 20:13:54,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:13:54,856 INFO L85 PathProgramCache]: Analyzing trace with hash 684790823, now seen corresponding path program 6 times [2024-05-04 20:13:54,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:13:54,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461910364] [2024-05-04 20:13:54,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:13:54,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:13:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:13:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-04 20:13:54,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:13:54,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461910364] [2024-05-04 20:13:54,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461910364] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 20:13:54,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 20:13:54,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-04 20:13:54,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050028730] [2024-05-04 20:13:54,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 20:13:54,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-04 20:13:54,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:13:54,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-04 20:13:54,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-04 20:13:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:54,963 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:13:54,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 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) [2024-05-04 20:13:54,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:54,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:54,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-04 20:13:54,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 20:13:54,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:54,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 20:13:54,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:54,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:55,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:55,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:55,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-04 20:13:55,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 20:13:55,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:55,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 20:13:55,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:55,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 20:13:55,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-05-04 20:13:55,243 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)] === [2024-05-04 20:13:55,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:13:55,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1756952055, now seen corresponding path program 7 times [2024-05-04 20:13:55,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:13:55,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203648073] [2024-05-04 20:13:55,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:13:55,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:13:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:13:55,383 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-04 20:13:55,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:13:55,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203648073] [2024-05-04 20:13:55,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203648073] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 20:13:55,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 20:13:55,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-04 20:13:55,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843473814] [2024-05-04 20:13:55,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 20:13:55,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-04 20:13:55,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:13:55,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-04 20:13:55,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-04 20:13:55,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:55,385 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:13:55,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.714285714285715) internal successors, (166), 7 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) [2024-05-04 20:13:55,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:55,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:55,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-04 20:13:55,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 20:13:55,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:55,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 20:13:55,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:55,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 20:13:55,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:55,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:55,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:55,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-04 20:13:55,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 20:13:55,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:55,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 20:13:55,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:55,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 20:13:55,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:55,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-05-04 20:13:55,772 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 20:13:55,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:13:55,773 INFO L85 PathProgramCache]: Analyzing trace with hash 365871679, now seen corresponding path program 8 times [2024-05-04 20:13:55,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:13:55,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719922647] [2024-05-04 20:13:55,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:13:55,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:13:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:13:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 20:13:57,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:13:57,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719922647] [2024-05-04 20:13:57,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719922647] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:13:57,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053001015] [2024-05-04 20:13:57,357 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 20:13:57,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:13:57,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:13:57,361 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) [2024-05-04 20:13:57,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-04 20:13:57,476 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-05-04 20:13:57,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:13:57,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 36 conjunts are in the unsatisfiable core [2024-05-04 20:13:57,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:13:57,496 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 [2024-05-04 20:13:57,543 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-04 20:13:57,544 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 [2024-05-04 20:13:58,037 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 [2024-05-04 20:13:58,130 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 20:13:58,130 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 [2024-05-04 20:13:58,149 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-04 20:13:58,150 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-04 20:13:58,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053001015] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 20:13:58,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-04 20:13:58,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [30] total 44 [2024-05-04 20:13:58,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608700663] [2024-05-04 20:13:58,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 20:13:58,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-05-04 20:13:58,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:13:58,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-05-04 20:13:58,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1757, Unknown=0, NotChecked=0, Total=1892 [2024-05-04 20:13:58,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:58,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:13:58,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.3) internal successors, (166), 20 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) [2024-05-04 20:13:58,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:13:58,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:13:58,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-04 20:13:58,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 20:13:58,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:58,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 20:13:58,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:58,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 20:13:58,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:13:58,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:14:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:14:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:14:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-04 20:14:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 20:14:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:14:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 20:14:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:14:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 20:14:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 20:14:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-04 20:14:04,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-04 20:14:04,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-04 20:14:04,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-04 20:14:04,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-04 20:14:04,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-04 20:14:04,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:14:04,318 INFO L448 BasicCegarLoop]: Path program histogram: [8, 1, 1] [2024-05-04 20:14:04,320 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-04 20:14:04,320 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-04 20:14:04,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 08:14:04 BasicIcfg [2024-05-04 20:14:04,323 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-04 20:14:04,323 INFO L158 Benchmark]: Toolchain (without parser) took 33966.20ms. Allocated memory was 173.0MB in the beginning and 817.9MB in the end (delta: 644.9MB). Free memory was 105.9MB in the beginning and 575.7MB in the end (delta: -469.8MB). Peak memory consumption was 176.7MB. Max. memory is 8.0GB. [2024-05-04 20:14:04,323 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 173.0MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-04 20:14:04,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.00ms. Allocated memory is still 173.0MB. Free memory was 105.6MB in the beginning and 93.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-04 20:14:04,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.90ms. Allocated memory is still 173.0MB. Free memory was 93.2MB in the beginning and 90.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-04 20:14:04,325 INFO L158 Benchmark]: Boogie Preprocessor took 78.49ms. Allocated memory was 173.0MB in the beginning and 298.8MB in the end (delta: 125.8MB). Free memory was 90.9MB in the beginning and 270.6MB in the end (delta: -179.7MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2024-05-04 20:14:04,325 INFO L158 Benchmark]: RCFGBuilder took 613.97ms. Allocated memory is still 298.8MB. Free memory was 270.1MB in the beginning and 240.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2024-05-04 20:14:04,325 INFO L158 Benchmark]: TraceAbstraction took 32973.11ms. Allocated memory was 298.8MB in the beginning and 817.9MB in the end (delta: 519.0MB). Free memory was 239.7MB in the beginning and 575.7MB in the end (delta: -336.0MB). Peak memory consumption was 184.6MB. Max. memory is 8.0GB. [2024-05-04 20:14:04,330 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 173.0MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 244.00ms. Allocated memory is still 173.0MB. Free memory was 105.6MB in the beginning and 93.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.90ms. Allocated memory is still 173.0MB. Free memory was 93.2MB in the beginning and 90.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.49ms. Allocated memory was 173.0MB in the beginning and 298.8MB in the end (delta: 125.8MB). Free memory was 90.9MB in the beginning and 270.6MB in the end (delta: -179.7MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * RCFGBuilder took 613.97ms. Allocated memory is still 298.8MB. Free memory was 270.1MB in the beginning and 240.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 32973.11ms. Allocated memory was 298.8MB in the beginning and 817.9MB in the end (delta: 519.0MB). Free memory was 239.7MB in the beginning and 575.7MB in the end (delta: -336.0MB). Peak memory consumption was 184.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 98299, independent: 98141, independent conditional: 98141, independent unconditional: 0, dependent: 158, dependent conditional: 158, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 98211, independent: 98141, independent conditional: 98141, independent unconditional: 0, dependent: 70, dependent conditional: 70, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98211, independent: 98141, independent conditional: 98141, independent unconditional: 0, dependent: 70, dependent conditional: 70, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 98211, independent: 98141, independent conditional: 98141, independent unconditional: 0, dependent: 70, dependent conditional: 70, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98919, independent: 98141, independent conditional: 172, independent unconditional: 97969, dependent: 778, dependent conditional: 466, dependent unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 98919, independent: 98141, independent conditional: 172, independent unconditional: 97969, dependent: 778, dependent conditional: 88, dependent unconditional: 690, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 98919, independent: 98141, independent conditional: 172, independent unconditional: 97969, dependent: 778, dependent conditional: 88, dependent unconditional: 690, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 653, independent: 621, independent conditional: 10, independent unconditional: 611, dependent: 32, dependent conditional: 17, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 653, independent: 608, independent conditional: 0, independent unconditional: 608, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 13, independent conditional: 10, independent unconditional: 3, dependent: 32, dependent conditional: 17, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 13, independent conditional: 10, independent unconditional: 3, dependent: 32, dependent conditional: 17, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, independent: 22, independent conditional: 18, independent unconditional: 4, dependent: 69, dependent conditional: 33, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 98919, independent: 97520, independent conditional: 162, independent unconditional: 97358, dependent: 746, dependent conditional: 71, dependent unconditional: 675, unknown: 653, unknown conditional: 27, unknown unconditional: 626] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 621, Positive conditional cache size: 10, Positive unconditional cache size: 611, Negative cache size: 32, Negative conditional cache size: 17, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 378, Maximal queried relation: 9, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98919, independent: 98141, independent conditional: 172, independent unconditional: 97969, dependent: 778, dependent conditional: 466, dependent unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 98919, independent: 98141, independent conditional: 172, independent unconditional: 97969, dependent: 778, dependent conditional: 88, dependent unconditional: 690, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 98919, independent: 98141, independent conditional: 172, independent unconditional: 97969, dependent: 778, dependent conditional: 88, dependent unconditional: 690, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 653, independent: 621, independent conditional: 10, independent unconditional: 611, dependent: 32, dependent conditional: 17, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 653, independent: 608, independent conditional: 0, independent unconditional: 608, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 13, independent conditional: 10, independent unconditional: 3, dependent: 32, dependent conditional: 17, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 13, independent conditional: 10, independent unconditional: 3, dependent: 32, dependent conditional: 17, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, independent: 22, independent conditional: 18, independent unconditional: 4, dependent: 69, dependent conditional: 33, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 98919, independent: 97520, independent conditional: 162, independent unconditional: 97358, dependent: 746, dependent conditional: 71, dependent unconditional: 675, unknown: 653, unknown conditional: 27, unknown unconditional: 626] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 621, Positive conditional cache size: 10, Positive unconditional cache size: 611, Negative cache size: 32, Negative conditional cache size: 17, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 378 ], Independence queries for same thread: 88 - PositiveResult [Line: 161]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 220 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 32.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 11.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 156, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 19.5s InterpolantComputationTime, 2219 NumberOfCodeBlocks, 2187 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2371 ConstructedInterpolants, 88 QuantifiedInterpolants, 24216 SizeOfPredicates, 73 NumberOfNonLiveVariables, 1043 ConjunctsInSsa, 138 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 70/93 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-04 20:14:04,347 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 [2024-05-04 20:14:04,567 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...