/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 --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 16:40:39,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 16:40:39,547 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 16:40:39,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 16:40:39,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 16:40:39,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 16:40:39,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 16:40:39,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 16:40:39,575 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 16:40:39,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 16:40:39,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 16:40:39,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 16:40:39,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 16:40:39,580 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 16:40:39,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 16:40:39,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 16:40:39,580 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 16:40:39,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 16:40:39,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 16:40:39,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 16:40:39,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 16:40:39,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 16:40:39,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 16:40:39,582 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 16:40:39,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 16:40:39,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 16:40:39,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 16:40:39,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 16:40:39,582 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 16:40:39,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 16:40:39,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:40:39,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 16:40:39,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 16:40:39,584 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 16:40:39,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 16:40:39,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 16:40:39,584 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 16:40:39,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 16:40:39,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 16:40:39,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 16:40:39,584 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 16:40:39,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 16:40:39,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 16:40:39,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 16:40:39,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 16:40:39,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 16:40:39,822 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 16:40:39,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2024-05-30 16:40:40,832 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 16:40:41,000 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 16:40:41,001 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2024-05-30 16:40:41,011 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bc133cdba/8f30863889c4406d87ad3613558de2e5/FLAG50359b6bb [2024-05-30 16:40:41,031 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bc133cdba/8f30863889c4406d87ad3613558de2e5 [2024-05-30 16:40:41,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 16:40:41,035 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 16:40:41,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 16:40:41,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 16:40:41,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 16:40:41,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:40:41" (1/1) ... [2024-05-30 16:40:41,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@867c5d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:41, skipping insertion in model container [2024-05-30 16:40:41,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:40:41" (1/1) ... [2024-05-30 16:40:41,061 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 16:40:41,185 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2024-05-30 16:40:41,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:40:41,195 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 16:40:41,208 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2024-05-30 16:40:41,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:40:41,220 INFO L206 MainTranslator]: Completed translation [2024-05-30 16:40:41,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:41 WrapperNode [2024-05-30 16:40:41,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 16:40:41,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 16:40:41,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 16:40:41,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 16:40:41,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:41" (1/1) ... [2024-05-30 16:40:41,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:41" (1/1) ... [2024-05-30 16:40:41,245 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-05-30 16:40:41,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 16:40:41,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 16:40:41,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 16:40:41,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 16:40:41,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:41" (1/1) ... [2024-05-30 16:40:41,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:41" (1/1) ... [2024-05-30 16:40:41,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:41" (1/1) ... [2024-05-30 16:40:41,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:41" (1/1) ... [2024-05-30 16:40:41,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:41" (1/1) ... [2024-05-30 16:40:41,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:41" (1/1) ... [2024-05-30 16:40:41,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:41" (1/1) ... [2024-05-30 16:40:41,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:41" (1/1) ... [2024-05-30 16:40:41,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 16:40:41,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 16:40:41,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 16:40:41,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 16:40:41,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:41" (1/1) ... [2024-05-30 16:40:41,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:40:41,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:41,304 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) [2024-05-30 16:40:41,323 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 [2024-05-30 16:40:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 16:40:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 16:40:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 16:40:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 16:40:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 16:40:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 16:40:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 16:40:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 16:40:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 16:40:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 16:40:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 16:40:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 16:40:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 16:40:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 16:40:41,375 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 16:40:41,463 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 16:40:41,465 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 16:40:41,592 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 16:40:41,624 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 16:40:41,624 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-30 16:40:41,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:40:41 BoogieIcfgContainer [2024-05-30 16:40:41,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 16:40:41,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 16:40:41,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 16:40:41,629 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 16:40:41,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 04:40:41" (1/3) ... [2024-05-30 16:40:41,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b1797a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:40:41, skipping insertion in model container [2024-05-30 16:40:41,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:41" (2/3) ... [2024-05-30 16:40:41,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b1797a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:40:41, skipping insertion in model container [2024-05-30 16:40:41,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:40:41" (3/3) ... [2024-05-30 16:40:41,631 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-nonblocking-counter-alt2.wvr.c [2024-05-30 16:40:41,637 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 16:40:41,645 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 16:40:41,645 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 16:40:41,645 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 16:40:41,708 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-30 16:40:41,752 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:40:41,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 16:40:41,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:41,755 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) [2024-05-30 16:40:41,760 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 [2024-05-30 16:40:41,793 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 16:40:41,799 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 16:40:41,804 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=LoopsAndPotentialCycles, 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;@72c8d1f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:40:41,804 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 16:40:41,809 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:41,877 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:41,878 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:41,878 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:41,893 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:41,893 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:41,893 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:41,906 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:41,907 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:41,907 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:41,924 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:41,924 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:41,924 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:41,929 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 106 states. [2024-05-30 16:40:41,929 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:40:41,932 INFO L78 Accepts]: Start accepts. Automaton has currently 111 states, but on-demand construction may add more states Word has length 61 [2024-05-30 16:40:41,934 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:41,934 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:41,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:41,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1564838823, now seen corresponding path program 1 times [2024-05-30 16:40:41,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:41,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830183302] [2024-05-30 16:40:41,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:41,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:42,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:42,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:42,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830183302] [2024-05-30 16:40:42,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830183302] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:40:42,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:40:42,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 16:40:42,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262557861] [2024-05-30 16:40:42,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:40:42,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 16:40:42,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:40:42,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 16:40:42,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 16:40:42,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:42,104 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:40:42,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-30 16:40:42,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:42,105 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:42,133 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:42,133 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:42,133 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:42,150 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:42,151 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:42,151 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:42,170 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:42,171 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:42,171 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:42,180 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:42,181 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:42,181 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:42,187 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 114 states. [2024-05-30 16:40:42,187 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:40:42,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:42,188 INFO L78 Accepts]: Start accepts. Automaton has currently 119 states, but on-demand construction may add more states Word has length 59 [2024-05-30 16:40:42,188 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:42,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 16:40:42,189 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:42,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:42,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1407552855, now seen corresponding path program 1 times [2024-05-30 16:40:42,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:42,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610554408] [2024-05-30 16:40:42,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:42,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:42,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:42,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610554408] [2024-05-30 16:40:42,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610554408] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:40:42,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:40:42,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 16:40:42,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730868645] [2024-05-30 16:40:42,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:40:42,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 16:40:42,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:40:42,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 16:40:42,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-05-30 16:40:42,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:42,621 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:40:42,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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) [2024-05-30 16:40:42,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:42,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:42,622 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:42,716 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:42,716 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:42,716 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:42,733 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:42,733 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:42,733 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:42,742 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:42,742 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:42,743 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:42,751 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 118 states. [2024-05-30 16:40:42,752 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:40:42,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:42,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:42,752 INFO L78 Accepts]: Start accepts. Automaton has currently 123 states, but on-demand construction may add more states Word has length 64 [2024-05-30 16:40:42,753 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:42,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 16:40:42,753 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:42,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:42,754 INFO L85 PathProgramCache]: Analyzing trace with hash -196916522, now seen corresponding path program 1 times [2024-05-30 16:40:42,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:42,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42137992] [2024-05-30 16:40:42,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:42,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:42,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:42,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:42,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42137992] [2024-05-30 16:40:42,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42137992] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:40:42,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601363083] [2024-05-30 16:40:42,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:42,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:40:42,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:42,959 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) [2024-05-30 16:40:42,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-30 16:40:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:43,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-30 16:40:43,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:40:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:43,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:40:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:43,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601363083] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-30 16:40:43,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-30 16:40:43,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 7 [2024-05-30 16:40:43,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693008384] [2024-05-30 16:40:43,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:40:43,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-30 16:40:43,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:40:43,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-30 16:40:43,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-05-30 16:40:43,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:43,186 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:40:43,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-05-30 16:40:43,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:43,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:43,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:43,186 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:43,236 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:43,236 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:43,236 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:43,245 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:43,246 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~M~0, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:43,246 INFO L395 cStratifiedReduction]: Actual level: [~M~0, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:43,258 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:43,258 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~M~0, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:43,258 INFO L395 cStratifiedReduction]: Actual level: [~M~0, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:43,265 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 126 states. [2024-05-30 16:40:43,266 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:40:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:43,266 INFO L78 Accepts]: Start accepts. Automaton has currently 132 states, but on-demand construction may add more states Word has length 66 [2024-05-30 16:40:43,267 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:43,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-30 16:40:43,471 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 [2024-05-30 16:40:43,472 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:43,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:43,472 INFO L85 PathProgramCache]: Analyzing trace with hash 905656089, now seen corresponding path program 1 times [2024-05-30 16:40:43,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:43,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956650027] [2024-05-30 16:40:43,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:43,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:43,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:43,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956650027] [2024-05-30 16:40:43,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956650027] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:40:43,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708406588] [2024-05-30 16:40:43,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:43,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:40:43,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:43,803 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) [2024-05-30 16:40:43,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-30 16:40:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:43,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-30 16:40:43,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:40:44,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:44,022 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:40:44,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:44,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708406588] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:40:44,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:40:44,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 20 [2024-05-30 16:40:44,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573904917] [2024-05-30 16:40:44,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:40:44,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-05-30 16:40:44,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:40:44,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-05-30 16:40:44,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2024-05-30 16:40:44,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:44,269 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:40:44,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.45) internal successors, (129), 20 states have internal predecessors, (129), 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) [2024-05-30 16:40:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:44,269 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:44,394 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:44,394 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:44,394 INFO L395 cStratifiedReduction]: Actual level: [~M~0, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:44,399 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:44,399 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~M~0, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:44,399 INFO L395 cStratifiedReduction]: Actual level: [~M~0, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:44,419 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 123 states. [2024-05-30 16:40:44,419 INFO L212 cStratifiedReduction]: Copied states 4 times. [2024-05-30 16:40:44,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:44,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:44,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:44,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-30 16:40:44,419 INFO L78 Accepts]: Start accepts. Automaton has currently 125 states, but on-demand construction may add more states Word has length 71 [2024-05-30 16:40:44,420 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:44,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-30 16:40:44,628 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 [2024-05-30 16:40:44,628 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:44,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:44,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1445716806, now seen corresponding path program 2 times [2024-05-30 16:40:44,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:44,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536864609] [2024-05-30 16:40:44,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:44,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:44,870 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:44,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:44,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536864609] [2024-05-30 16:40:44,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536864609] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:40:44,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423529891] [2024-05-30 16:40:44,871 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:40:44,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:40:44,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:44,885 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) [2024-05-30 16:40:44,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-30 16:40:44,944 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:40:44,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:40:44,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-30 16:40:44,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:40:45,055 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:45,055 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:40:45,221 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:45,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423529891] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:40:45,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:40:45,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 11] total 20 [2024-05-30 16:40:45,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98234649] [2024-05-30 16:40:45,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:40:45,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-05-30 16:40:45,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:40:45,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-05-30 16:40:45,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2024-05-30 16:40:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:45,225 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:40:45,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.9) internal successors, (98), 20 states have internal predecessors, (98), 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) [2024-05-30 16:40:45,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:45,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:45,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:45,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-30 16:40:45,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:45,236 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:45,810 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:45,810 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:45,810 INFO L395 cStratifiedReduction]: Actual level: [~M~0, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:45,818 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:45,818 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~M~0, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:45,818 INFO L395 cStratifiedReduction]: Actual level: [~M~0, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:45,907 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:45,908 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~i~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~M~0, ~counter~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:45,908 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~i~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~M~0, ~counter~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:46,172 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 187 states. [2024-05-30 16:40:46,173 INFO L212 cStratifiedReduction]: Copied states 8 times. [2024-05-30 16:40:46,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:46,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:46,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:46,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-30 16:40:46,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-30 16:40:46,173 INFO L78 Accepts]: Start accepts. Automaton has currently 187 states, but on-demand construction may add more states Word has length 83 [2024-05-30 16:40:46,175 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:46,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-30 16:40:46,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:40:46,380 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:46,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:46,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1144159959, now seen corresponding path program 3 times [2024-05-30 16:40:46,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:46,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575516746] [2024-05-30 16:40:46,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:46,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:47,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:47,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575516746] [2024-05-30 16:40:47,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575516746] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:40:47,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923353956] [2024-05-30 16:40:47,178 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 16:40:47,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:40:47,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:47,179 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:40:47,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-30 16:40:47,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-05-30 16:40:47,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:40:47,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-30 16:40:47,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:40:47,634 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:47,634 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:40:48,235 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:48,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923353956] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:40:48,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:40:48,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 13] total 38 [2024-05-30 16:40:48,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816010421] [2024-05-30 16:40:48,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:40:48,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-05-30 16:40:48,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:40:48,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-05-30 16:40:48,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1229, Unknown=0, NotChecked=0, Total=1406 [2024-05-30 16:40:48,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:48,237 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:40:48,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 4.7894736842105265) internal successors, (182), 38 states have internal predecessors, (182), 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) [2024-05-30 16:40:48,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:48,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:48,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:48,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-30 16:40:48,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-30 16:40:48,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:48,238 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:49,899 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:49,899 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:49,899 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~i~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~M~0, ~counter~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:49,903 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:49,903 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~i~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~M~0, ~counter~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:49,903 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~i~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~M~0, ~counter~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:50,178 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:50,178 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~i~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~C~0, ~M~0, ~counter~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:50,178 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~i~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~C~0, ~M~0, ~counter~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:50,408 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 206 states. [2024-05-30 16:40:50,408 INFO L212 cStratifiedReduction]: Copied states 7 times. [2024-05-30 16:40:50,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:50,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:50,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:50,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-30 16:40:50,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-30 16:40:50,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-30 16:40:50,409 INFO L78 Accepts]: Start accepts. Automaton has currently 210 states, but on-demand construction may add more states Word has length 90 [2024-05-30 16:40:50,409 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:50,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-30 16:40:50,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-30 16:40:50,610 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:50,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:50,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1115943275, now seen corresponding path program 4 times [2024-05-30 16:40:50,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:50,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039282854] [2024-05-30 16:40:50,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:50,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:51,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:51,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039282854] [2024-05-30 16:40:51,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039282854] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:40:51,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449087183] [2024-05-30 16:40:51,484 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 16:40:51,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:40:51,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:51,485 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:40:51,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-30 16:40:51,543 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 16:40:51,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:40:51,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-30 16:40:51,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:40:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:51,877 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:40:52,602 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 5 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:52,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449087183] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:40:52,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:40:52,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 19] total 42 [2024-05-30 16:40:52,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736040681] [2024-05-30 16:40:52,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:40:52,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-05-30 16:40:52,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:40:52,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-05-30 16:40:52,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1488, Unknown=0, NotChecked=0, Total=1722 [2024-05-30 16:40:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:52,605 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:40:52,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.023809523809524) internal successors, (169), 42 states have internal predecessors, (169), 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) [2024-05-30 16:40:52,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:52,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:52,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:52,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-30 16:40:52,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-30 16:40:52,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-30 16:40:52,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:52,605 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:54,196 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:54,197 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:54,198 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~i~0, ~C~0, ~M~0, ~counter~0, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:54,204 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:54,204 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~i~0, ~C~0, ~M~0, ~counter~0, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:54,204 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~i~0, ~C~0, ~M~0, ~counter~0, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:54,443 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:54,443 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~i~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~C~0, ~M~0, ~counter~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:54,443 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~i~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~C~0, ~M~0, ~counter~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:40:55,273 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 253 states. [2024-05-30 16:40:55,274 INFO L212 cStratifiedReduction]: Copied states 8 times. [2024-05-30 16:40:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-30 16:40:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-30 16:40:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-30 16:40:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-30 16:40:55,274 INFO L78 Accepts]: Start accepts. Automaton has currently 259 states, but on-demand construction may add more states Word has length 107 [2024-05-30 16:40:55,275 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:55,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-30 16:40:55,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:40:55,480 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:55,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:55,480 INFO L85 PathProgramCache]: Analyzing trace with hash 956631177, now seen corresponding path program 5 times [2024-05-30 16:40:55,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:55,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115557589] [2024-05-30 16:40:55,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:55,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:58,646 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:58,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:58,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115557589] [2024-05-30 16:40:58,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115557589] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:40:58,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956865027] [2024-05-30 16:40:58,647 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 16:40:58,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:40:58,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:58,648 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:40:58,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-30 16:40:59,261 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-05-30 16:40:59,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:40:59,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-30 16:40:59,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:41:00,210 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:41:00,211 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:41:10,638 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 15 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:41:10,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956865027] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:41:10,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:41:10,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 20, 21] total 70 [2024-05-30 16:41:10,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850370871] [2024-05-30 16:41:10,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:41:10,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-05-30 16:41:10,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:41:10,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-05-30 16:41:10,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=504, Invalid=4326, Unknown=0, NotChecked=0, Total=4830 [2024-05-30 16:41:10,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:10,641 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:41:10,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 3.6285714285714286) internal successors, (254), 70 states have internal predecessors, (254), 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) [2024-05-30 16:41:10,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:10,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:41:10,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:41:10,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-30 16:41:10,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-30 16:41:10,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-30 16:41:10,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-30 16:41:10,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:10,642 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:42:07,719 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:07,719 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:07,719 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~i~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~M~0, ~counter~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:42:07,724 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:07,724 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~i~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~M~0, ~counter~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:42:07,724 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~i~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~M~0, ~counter~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:42:21,097 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:21,098 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~i~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~C~0, ~M~0, ~counter~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:42:21,098 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~i~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~C~0, ~M~0, ~counter~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork0_#t~post1, thread2Thread1of1ForFork1_~i~1] [2024-05-30 16:42:29,569 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 272 states. [2024-05-30 16:42:29,569 INFO L212 cStratifiedReduction]: Copied states 7 times. [2024-05-30 16:42:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:42:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:42:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-30 16:42:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-30 16:42:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-30 16:42:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-30 16:42:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-05-30 16:42:29,570 INFO L78 Accepts]: Start accepts. Automaton has currently 282 states, but on-demand construction may add more states Word has length 114 [2024-05-30 16:42:29,571 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:42:29,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-30 16:42:29,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-30 16:42:29,771 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:42:29,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:42:29,772 INFO L85 PathProgramCache]: Analyzing trace with hash -144927797, now seen corresponding path program 6 times [2024-05-30 16:42:29,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:42:29,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638734440] [2024-05-30 16:42:29,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:42:29,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:42:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:42:31,910 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:42:31,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:42:31,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638734440] [2024-05-30 16:42:31,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638734440] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:42:31,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218226304] [2024-05-30 16:42:31,911 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-30 16:42:31,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:42:31,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:42:31,912 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:42:31,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-30 16:42:32,161 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-05-30 16:42:32,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:42:32,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 44 conjunts are in the unsatisfiable core [2024-05-30 16:42:32,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:42:46,969 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:42:46,970 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:42:48,679 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:42:48,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218226304] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:42:48,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:42:48,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 24, 27] total 65 [2024-05-30 16:42:48,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099216524] [2024-05-30 16:42:48,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:42:48,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-05-30 16:42:48,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:42:48,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-05-30 16:42:48,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=3791, Unknown=0, NotChecked=0, Total=4160 [2024-05-30 16:42:48,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:48,682 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:42:48,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.476923076923077) internal successors, (226), 65 states have internal predecessors, (226), 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) [2024-05-30 16:42:48,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:48,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:42:48,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:42:48,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-30 16:42:48,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-30 16:42:48,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-30 16:42:48,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-30 16:42:48,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-05-30 16:42:48,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:48,683 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:42:58,535 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 213 states. [2024-05-30 16:42:58,535 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:42:58,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:58,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:42:58,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:42:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-30 16:42:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-30 16:42:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-30 16:42:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-30 16:42:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-30 16:42:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:42:58,536 INFO L78 Accepts]: Start accepts. Automaton has currently 214 states, but on-demand construction may add more states Word has length 121 [2024-05-30 16:42:58,537 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:42:58,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-30 16:42:58,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:42:58,737 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:42:58,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:42:58,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1888990455, now seen corresponding path program 7 times [2024-05-30 16:42:58,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:42:58,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127225486] [2024-05-30 16:42:58,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:42:58,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:42:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-05-30 16:55:07,727 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 16:55:07,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-05-30 16:55:07,728 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 122 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-13-3-6-4-8-3-9-3-9-3-9-3-9-3-9-3-9-3-9-3-9-3-9-3-9-3-9-3-9-3-9-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-3-2-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-51-9-8-7-8-8-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-6-9-6-9-6-9-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-3-6-3-6-3-6-3-3-2-3-2-3-1 context. [2024-05-30 16:55:07,734 INFO L445 BasicCegarLoop]: Path program histogram: [7, 1, 1, 1] [2024-05-30 16:55:07,736 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-05-30 16:55:07,741 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 16:55:07,743 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 16:55:07,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 04:55:07 BasicIcfg [2024-05-30 16:55:07,745 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 16:55:07,745 INFO L158 Benchmark]: Toolchain (without parser) took 866710.35ms. Allocated memory was 169.9MB in the beginning and 876.6MB in the end (delta: 706.7MB). Free memory was 104.5MB in the beginning and 826.7MB in the end (delta: -722.2MB). Peak memory consumption was 505.7MB. Max. memory is 8.0GB. [2024-05-30 16:55:07,745 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 169.9MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 16:55:07,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.41ms. Allocated memory is still 169.9MB. Free memory was 104.3MB in the beginning and 92.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-05-30 16:55:07,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.78ms. Allocated memory is still 169.9MB. Free memory was 92.9MB in the beginning and 91.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 16:55:07,746 INFO L158 Benchmark]: Boogie Preprocessor took 16.69ms. Allocated memory is still 169.9MB. Free memory was 91.3MB in the beginning and 90.1MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-30 16:55:07,746 INFO L158 Benchmark]: RCFGBuilder took 360.96ms. Allocated memory is still 169.9MB. Free memory was 90.0MB in the beginning and 134.2MB in the end (delta: -44.3MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2024-05-30 16:55:07,746 INFO L158 Benchmark]: TraceAbstraction took 866118.94ms. Allocated memory was 169.9MB in the beginning and 876.6MB in the end (delta: 706.7MB). Free memory was 132.6MB in the beginning and 826.7MB in the end (delta: -694.0MB). Peak memory consumption was 533.9MB. Max. memory is 8.0GB. [2024-05-30 16:55:07,748 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 169.9MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 182.41ms. Allocated memory is still 169.9MB. Free memory was 104.3MB in the beginning and 92.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.78ms. Allocated memory is still 169.9MB. Free memory was 92.9MB in the beginning and 91.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.69ms. Allocated memory is still 169.9MB. Free memory was 91.3MB in the beginning and 90.1MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 360.96ms. Allocated memory is still 169.9MB. Free memory was 90.0MB in the beginning and 134.2MB in the end (delta: -44.3MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. * TraceAbstraction took 866118.94ms. Allocated memory was 169.9MB in the beginning and 876.6MB in the end (delta: 706.7MB). Free memory was 132.6MB in the beginning and 826.7MB in the end (delta: -694.0MB). Peak memory consumption was 533.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 329, independent: 243, independent conditional: 243, independent unconditional: 0, dependent: 86, dependent conditional: 86, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 255, independent: 243, independent conditional: 243, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 255, independent: 243, independent conditional: 243, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 337, independent: 243, independent conditional: 0, independent unconditional: 243, dependent: 94, dependent conditional: 82, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 337, independent: 243, independent conditional: 0, independent unconditional: 243, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 337, independent: 243, independent conditional: 0, independent unconditional: 243, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 255, independent: 243, independent conditional: 0, independent unconditional: 243, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 255, independent: 243, independent conditional: 0, independent unconditional: 243, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 51, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 337, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 255, unknown conditional: 0, unknown unconditional: 255] , Statistics on independence cache: Total cache size (in pairs): 255, Positive cache size: 243, Positive conditional cache size: 0, Positive unconditional cache size: 243, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 82, Maximal queried relation: 8, Independence queries for same thread: 74 - StatisticsResult: Reduction benchmarks 14.2ms Time before loop, 105.4ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 6, Reduction States: 106, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 15.5ms Time before loop, 66.0ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 6, Reduction States: 114, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 61.5ms Time before loop, 67.8ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 5, Reduction States: 118, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 30.4ms Time before loop, 48.6ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 5, Reduction States: 126, Duplicate States: 0, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 104.5ms Time before loop, 45.0ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 4, Reduction States: 123, Duplicate States: 4, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 422.3ms Time before loop, 513.7ms Time in loop, 0.9s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 7, Reduction States: 187, Duplicate States: 8, Protected Variables: 7 - StatisticsResult: Reduction benchmarks 1085.6ms Time before loop, 1083.8ms Time in loop, 2.2s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 7, Reduction States: 206, Duplicate States: 7, Protected Variables: 8 - StatisticsResult: Reduction benchmarks 1039.6ms Time before loop, 1628.4ms Time in loop, 2.7s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 9, Reduction States: 253, Duplicate States: 8, Protected Variables: 8 - StatisticsResult: Reduction benchmarks 36359.2ms Time before loop, 42567.6ms Time in loop, 78.9s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 9, Reduction States: 272, Duplicate States: 7, Protected Variables: 8 - StatisticsResult: Reduction benchmarks 8969.1ms Time before loop, 882.9ms Time in loop, 9.9s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 2, Reduction States: 213, Duplicate States: 0, Protected Variables: 6 - StatisticsResult: Visitor Statistics States: 87, Transitions: 96, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 87, Transitions: 98, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 86, Transitions: 95, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 90, Transitions: 105, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 85, Transitions: 94, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 111, Transitions: 130, Traversal time: 0.9s - StatisticsResult: Visitor Statistics States: 122, Transitions: 145, Traversal time: 2.2s - StatisticsResult: Visitor Statistics States: 143, Transitions: 172, Traversal time: 2.7s - StatisticsResult: Visitor Statistics States: 154, Transitions: 187, Traversal time: 78.9s - StatisticsResult: Visitor Statistics States: 124, Transitions: 127, Traversal time: 9.9s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 31, RedundantProofs: 8, ProvenStates: 106, Times there's more than one choice: 88, Avg number of choices: 4.452830188679245 - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 122 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-13-3-6-4-8-3-9-3-9-3-9-3-9-3-9-3-9-3-9-3-9-3-9-3-9-3-9-3-9-3-9-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-3-2-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-51-9-8-7-8-8-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-6-9-6-9-6-9-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-3-6-3-6-3-6-3-3-2-3-2-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances [2024-05-30 16:55:07,764 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end CFG has 5 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 866.0s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 95.1s, 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: 358, 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, 1.2s SatisfiabilityAnalysisTime, 38.6s InterpolantComputationTime, 1310 NumberOfCodeBlocks, 1310 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1882 ConstructedInterpolants, 0 QuantifiedInterpolants, 16559 SizeOfPredicates, 101 NumberOfNonLiveVariables, 1231 ConjunctsInSsa, 158 ConjunctsInUnsatCore, 23 InterpolantComputations, 3 PerfectInterpolantSequences, 21/1473 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 [2024-05-30 16:55:07,764 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown