/usr/bin/java -Xmx7000000000 -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/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/array-eq-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 09:24:09,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 09:24:09,124 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-09-07 09:24:09,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 09:24:09,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 09:24:09,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 09:24:09,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 09:24:09,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 09:24:09,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 09:24:09,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 09:24:09,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 09:24:09,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 09:24:09,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 09:24:09,171 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 09:24:09,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 09:24:09,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 09:24:09,172 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 09:24:09,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 09:24:09,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 09:24:09,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 09:24:09,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 09:24:09,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 09:24:09,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 09:24:09,177 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 09:24:09,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 09:24:09,178 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 09:24:09,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 09:24:09,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 09:24:09,178 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 09:24:09,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 09:24:09,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 09:24:09,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 09:24:09,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 09:24:09,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 09:24:09,180 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 09:24:09,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 09:24:09,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 09:24:09,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 09:24:09,181 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 09:24:09,181 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-09-07 09:24:09,181 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-09-07 09:24:09,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 09:24:09,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 09:24:09,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 09:24:09,421 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 09:24:09,421 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 09:24:09,422 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/array-eq-trans.wvr.c [2023-09-07 09:24:10,622 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 09:24:10,804 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 09:24:10,805 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/array-eq-trans.wvr.c [2023-09-07 09:24:10,811 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f4d039b/d6611b09a56241e487b03b853cc50659/FLAG9dbc3a321 [2023-09-07 09:24:10,821 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f4d039b/d6611b09a56241e487b03b853cc50659 [2023-09-07 09:24:10,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 09:24:10,825 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 09:24:10,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 09:24:10,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 09:24:10,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 09:24:10,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:24:10" (1/1) ... [2023-09-07 09:24:10,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7395fb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:24:10, skipping insertion in model container [2023-09-07 09:24:10,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:24:10" (1/1) ... [2023-09-07 09:24:10,851 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 09:24:10,987 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/array-eq-trans.wvr.c[2737,2750] [2023-09-07 09:24:10,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 09:24:11,002 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 09:24:11,022 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/array-eq-trans.wvr.c[2737,2750] [2023-09-07 09:24:11,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 09:24:11,051 INFO L206 MainTranslator]: Completed translation [2023-09-07 09:24:11,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:24:11 WrapperNode [2023-09-07 09:24:11,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 09:24:11,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 09:24:11,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 09:24:11,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 09:24:11,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:24:11" (1/1) ... [2023-09-07 09:24:11,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:24:11" (1/1) ... [2023-09-07 09:24:11,097 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 213 [2023-09-07 09:24:11,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 09:24:11,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 09:24:11,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 09:24:11,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 09:24:11,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:24:11" (1/1) ... [2023-09-07 09:24:11,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:24:11" (1/1) ... [2023-09-07 09:24:11,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:24:11" (1/1) ... [2023-09-07 09:24:11,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:24:11" (1/1) ... [2023-09-07 09:24:11,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:24:11" (1/1) ... [2023-09-07 09:24:11,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:24:11" (1/1) ... [2023-09-07 09:24:11,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:24:11" (1/1) ... [2023-09-07 09:24:11,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:24:11" (1/1) ... [2023-09-07 09:24:11,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 09:24:11,132 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 09:24:11,132 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 09:24:11,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 09:24:11,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:24:11" (1/1) ... [2023-09-07 09:24:11,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 09:24:11,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:24:11,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-07 09:24:11,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-07 09:24:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 09:24:11,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-07 09:24:11,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-07 09:24:11,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-07 09:24:11,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-07 09:24:11,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-07 09:24:11,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-07 09:24:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 09:24:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 09:24:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 09:24:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-07 09:24:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 09:24:11,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 09:24:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 09:24:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 09:24:11,212 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-07 09:24:11,328 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 09:24:11,330 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 09:24:11,737 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 09:24:11,746 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 09:24:11,747 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-09-07 09:24:11,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:24:11 BoogieIcfgContainer [2023-09-07 09:24:11,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 09:24:11,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 09:24:11,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 09:24:11,758 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 09:24:11,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 09:24:10" (1/3) ... [2023-09-07 09:24:11,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74fa6fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:24:11, skipping insertion in model container [2023-09-07 09:24:11,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:24:11" (2/3) ... [2023-09-07 09:24:11,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74fa6fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:24:11, skipping insertion in model container [2023-09-07 09:24:11,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:24:11" (3/3) ... [2023-09-07 09:24:11,761 INFO L112 eAbstractionObserver]: Analyzing ICFG array-eq-trans.wvr.c [2023-09-07 09:24:11,768 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 09:24:11,776 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 09:24:11,777 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-07 09:24:11,777 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 09:24:11,868 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-09-07 09:24:11,938 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 09:24:11,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 09:24:11,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:24:11,949 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-07 09:24:11,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-07 09:24:11,986 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 09:24:11,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-09-07 09:24:11,995 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;@75fdaa0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 09:24:11,996 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-09-07 09:24:12,255 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:24:12,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:24:12,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1853037587, now seen corresponding path program 1 times [2023-09-07 09:24:12,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:24:12,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980052251] [2023-09-07 09:24:12,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:24:12,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:24:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:24:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 09:24:12,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:24:12,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980052251] [2023-09-07 09:24:12,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980052251] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 09:24:12,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 09:24:12,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-07 09:24:12,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377416987] [2023-09-07 09:24:12,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:24:12,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-07 09:24:12,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:24:12,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-07 09:24:12,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-07 09:24:12,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:12,614 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:24:12,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 96.5) internal successors, (193), 2 states have internal predecessors, (193), 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) [2023-09-07 09:24:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:12,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 09:24:12,705 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:24:12,706 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:24:12,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1544391541, now seen corresponding path program 1 times [2023-09-07 09:24:12,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:24:12,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587911139] [2023-09-07 09:24:12,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:24:12,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:24:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:24:13,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 09:24:13,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:24:13,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587911139] [2023-09-07 09:24:13,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587911139] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 09:24:13,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 09:24:13,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-09-07 09:24:13,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11270440] [2023-09-07 09:24:13,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:24:13,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-07 09:24:13,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:24:13,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-07 09:24:13,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-09-07 09:24:13,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:13,156 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:24:13,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 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) [2023-09-07 09:24:13,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:13,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:13,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:13,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:13,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 09:24:13,300 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:24:13,300 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:24:13,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1803275949, now seen corresponding path program 1 times [2023-09-07 09:24:13,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:24:13,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692738089] [2023-09-07 09:24:13,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:24:13,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:24:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:24:13,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 09:24:13,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:24:13,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692738089] [2023-09-07 09:24:13,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692738089] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 09:24:13,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 09:24:13,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-09-07 09:24:13,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590622050] [2023-09-07 09:24:13,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:24:13,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-07 09:24:13,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:24:13,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-07 09:24:13,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-09-07 09:24:13,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:13,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:24:13,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 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) [2023-09-07 09:24:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:13,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:13,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:13,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:13,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-07 09:24:13,606 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:24:13,607 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:24:13,607 INFO L85 PathProgramCache]: Analyzing trace with hash 934550629, now seen corresponding path program 1 times [2023-09-07 09:24:13,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:24:13,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817566595] [2023-09-07 09:24:13,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:24:13,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:24:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:24:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 09:24:13,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:24:13,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817566595] [2023-09-07 09:24:13,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817566595] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 09:24:13,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 09:24:13,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-09-07 09:24:13,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179263975] [2023-09-07 09:24:13,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:24:13,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-07 09:24:13,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:24:13,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-07 09:24:13,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-09-07 09:24:13,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:13,788 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:24:13,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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) [2023-09-07 09:24:13,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:13,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:13,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:13,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:13,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:13,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:13,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-07 09:24:13,911 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:24:13,912 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:24:13,912 INFO L85 PathProgramCache]: Analyzing trace with hash -165396251, now seen corresponding path program 1 times [2023-09-07 09:24:13,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:24:13,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772450008] [2023-09-07 09:24:13,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:24:13,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:24:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:24:14,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 09:24:14,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:24:14,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772450008] [2023-09-07 09:24:14,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772450008] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 09:24:14,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 09:24:14,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-07 09:24:14,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634558930] [2023-09-07 09:24:14,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:24:14,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-07 09:24:14,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:24:14,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-07 09:24:14,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-09-07 09:24:14,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:14,243 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:24:14,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.857142857142858) internal successors, (202), 7 states have internal predecessors, (202), 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) [2023-09-07 09:24:14,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:14,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:14,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:14,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:14,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:14,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:14,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:14,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:14,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:14,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:14,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-07 09:24:14,436 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:24:14,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:24:14,437 INFO L85 PathProgramCache]: Analyzing trace with hash 712559698, now seen corresponding path program 1 times [2023-09-07 09:24:14,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:24:14,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600066447] [2023-09-07 09:24:14,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:24:14,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:24:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:24:14,692 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-09-07 09:24:14,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:24:14,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600066447] [2023-09-07 09:24:14,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600066447] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 09:24:14,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 09:24:14,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-07 09:24:14,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170646687] [2023-09-07 09:24:14,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:24:14,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-07 09:24:14,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:24:14,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-07 09:24:14,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-09-07 09:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:14,694 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:24:14,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 31.0) internal successors, (217), 7 states have internal predecessors, (217), 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) [2023-09-07 09:24:14,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:14,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:14,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:14,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:14,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:14,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:14,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:14,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:14,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:14,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:14,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:14,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:14,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-09-07 09:24:14,875 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:24:14,876 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:24:14,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1070619226, now seen corresponding path program 1 times [2023-09-07 09:24:14,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:24:14,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392196453] [2023-09-07 09:24:14,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:24:14,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:24:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:24:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-09-07 09:24:15,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:24:15,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392196453] [2023-09-07 09:24:15,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392196453] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 09:24:15,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 09:24:15,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-07 09:24:15,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305115390] [2023-09-07 09:24:15,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:24:15,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-07 09:24:15,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:24:15,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-07 09:24:15,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-09-07 09:24:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:15,160 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:24:15,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 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) [2023-09-07 09:24:15,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:15,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:15,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:15,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:15,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:15,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:15,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:15,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:24:15,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-09-07 09:24:15,394 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:24:15,394 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:24:15,395 INFO L85 PathProgramCache]: Analyzing trace with hash -130824493, now seen corresponding path program 1 times [2023-09-07 09:24:15,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:24:15,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864338131] [2023-09-07 09:24:15,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:24:15,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:24:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:24:15,803 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-09-07 09:24:15,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:24:15,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864338131] [2023-09-07 09:24:15,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864338131] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:24:15,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798715951] [2023-09-07 09:24:15,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:24:15,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:24:15,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:24:15,813 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:24:15,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-07 09:24:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:24:15,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 10 conjunts are in the unsatisfiable core [2023-09-07 09:24:15,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:24:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-09-07 09:24:16,528 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:24:16,907 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-09-07 09:24:16,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798715951] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:24:16,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:24:16,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2023-09-07 09:24:16,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179802069] [2023-09-07 09:24:16,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:24:16,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-09-07 09:24:16,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:24:16,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-09-07 09:24:16,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=640, Unknown=0, NotChecked=0, Total=756 [2023-09-07 09:24:16,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:16,910 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:24:16,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 17.035714285714285) internal successors, (477), 28 states have internal predecessors, (477), 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) [2023-09-07 09:24:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:24:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:17,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:17,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:17,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:17,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:17,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:17,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:17,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:24:17,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:24:17,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-07 09:24:18,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-09-07 09:24:18,128 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:24:18,129 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:24:18,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1801701405, now seen corresponding path program 2 times [2023-09-07 09:24:18,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:24:18,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534222584] [2023-09-07 09:24:18,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:24:18,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:24:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:24:18,539 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-09-07 09:24:18,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:24:18,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534222584] [2023-09-07 09:24:18,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534222584] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:24:18,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511189681] [2023-09-07 09:24:18,540 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 09:24:18,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:24:18,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:24:18,541 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:24:18,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-07 09:24:18,715 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 09:24:18,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:24:18,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 10 conjunts are in the unsatisfiable core [2023-09-07 09:24:18,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:24:19,152 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-09-07 09:24:19,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:24:19,512 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-09-07 09:24:19,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511189681] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:24:19,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:24:19,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2023-09-07 09:24:19,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889403803] [2023-09-07 09:24:19,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:24:19,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-09-07 09:24:19,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:24:19,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-09-07 09:24:19,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=564, Unknown=0, NotChecked=0, Total=702 [2023-09-07 09:24:19,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:19,517 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:24:19,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 17.666666666666668) internal successors, (477), 27 states have internal predecessors, (477), 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) [2023-09-07 09:24:19,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:19,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:19,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:19,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:19,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:19,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:19,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:24:19,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:24:19,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:20,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:20,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:20,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:20,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:20,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:20,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:20,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:24:20,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:24:20,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:24:20,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-07 09:24:20,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:24:20,304 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:24:20,305 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:24:20,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1306450787, now seen corresponding path program 3 times [2023-09-07 09:24:20,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:24:20,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710728357] [2023-09-07 09:24:20,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:24:20,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:24:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:24:22,720 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-09-07 09:24:22,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:24:22,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710728357] [2023-09-07 09:24:22,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710728357] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:24:22,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228495953] [2023-09-07 09:24:22,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 09:24:22,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:24:22,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:24:22,723 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:24:22,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-07 09:24:22,881 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-09-07 09:24:22,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:24:22,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 53 conjunts are in the unsatisfiable core [2023-09-07 09:24:22,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:24:24,948 INFO L322 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-09-07 09:24:24,949 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 13 [2023-09-07 09:24:24,972 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-09-07 09:24:24,973 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:24:25,603 INFO L322 Elim1Store]: treesize reduction 26, result has 88.6 percent of original size [2023-09-07 09:24:25,603 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 214 [2023-09-07 09:24:27,110 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-09-07 09:24:27,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228495953] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:24:27,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:24:27,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28, 13] total 44 [2023-09-07 09:24:27,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302124804] [2023-09-07 09:24:27,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:24:27,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-09-07 09:24:27,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:24:27,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-09-07 09:24:27,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=1663, Unknown=0, NotChecked=0, Total=1892 [2023-09-07 09:24:27,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:27,116 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:24:27,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 10.181818181818182) internal successors, (448), 44 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 09:24:27,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:27,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:27,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:27,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:27,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:27,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:27,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:24:27,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:24:27,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:24:27,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:24:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:24:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:24:28,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:24:28,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-07 09:24:29,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:24:29,153 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:24:29,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:24:29,154 INFO L85 PathProgramCache]: Analyzing trace with hash -224359792, now seen corresponding path program 1 times [2023-09-07 09:24:29,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:24:29,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666811948] [2023-09-07 09:24:29,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:24:29,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:24:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:24:33,953 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-09-07 09:24:33,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:24:33,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666811948] [2023-09-07 09:24:33,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666811948] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:24:33,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471498582] [2023-09-07 09:24:33,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:24:33,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:24:33,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:24:33,957 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:24:33,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-07 09:24:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:24:34,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 95 conjunts are in the unsatisfiable core [2023-09-07 09:24:34,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:24:38,599 INFO L322 Elim1Store]: treesize reduction 6, result has 83.8 percent of original size [2023-09-07 09:24:38,599 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 47 [2023-09-07 09:24:38,687 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-09-07 09:24:38,687 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:24:41,826 INFO L322 Elim1Store]: treesize reduction 8, result has 96.7 percent of original size [2023-09-07 09:24:41,826 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 83 treesize of output 245 [2023-09-07 09:24:51,105 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-09-07 09:24:51,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471498582] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:24:51,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:24:51,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 48, 37] total 110 [2023-09-07 09:24:51,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875781458] [2023-09-07 09:24:51,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:24:51,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2023-09-07 09:24:51,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:24:51,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2023-09-07 09:24:51,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=663, Invalid=11327, Unknown=0, NotChecked=0, Total=11990 [2023-09-07 09:24:51,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:51,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:24:51,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 6.372727272727273) internal successors, (701), 110 states have internal predecessors, (701), 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) [2023-09-07 09:24:51,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:51,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:51,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:51,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:51,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:51,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:51,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:24:51,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:24:51,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:24:51,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:24:51,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:24:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:24:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:24:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:24:55,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:24:55,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-09-07 09:24:55,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-09-07 09:24:55,591 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:24:55,592 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:24:55,592 INFO L85 PathProgramCache]: Analyzing trace with hash 526879245, now seen corresponding path program 2 times [2023-09-07 09:24:55,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:24:55,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826346205] [2023-09-07 09:24:55,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:24:55,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:24:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:24:56,082 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-09-07 09:24:56,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:24:56,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826346205] [2023-09-07 09:24:56,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826346205] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:24:56,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871326315] [2023-09-07 09:24:56,083 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 09:24:56,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:24:56,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:24:56,085 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:24:56,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-07 09:24:56,252 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 09:24:56,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:24:56,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-07 09:24:56,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:24:56,846 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-09-07 09:24:56,846 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:24:57,254 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-09-07 09:24:57,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871326315] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:24:57,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:24:57,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2023-09-07 09:24:57,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501142736] [2023-09-07 09:24:57,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:24:57,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-09-07 09:24:57,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:24:57,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-09-07 09:24:57,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1107, Unknown=0, NotChecked=0, Total=1332 [2023-09-07 09:24:57,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:57,257 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:24:57,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 14.972972972972974) internal successors, (554), 37 states have internal predecessors, (554), 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) [2023-09-07 09:24:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:24:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:24:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:24:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:24:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:24:57,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:57,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:57,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:57,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:57,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:57,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:57,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:57,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:24:57,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:24:57,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:24:57,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:24:57,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:24:57,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:24:57,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-09-07 09:24:58,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:24:58,092 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:24:58,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:24:58,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1221752491, now seen corresponding path program 3 times [2023-09-07 09:24:58,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:24:58,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545272484] [2023-09-07 09:24:58,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:24:58,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:24:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:24:58,576 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-09-07 09:24:58,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:24:58,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545272484] [2023-09-07 09:24:58,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545272484] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:24:58,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845916878] [2023-09-07 09:24:58,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 09:24:58,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:24:58,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:24:58,581 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:24:58,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-07 09:24:58,778 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-09-07 09:24:58,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:24:58,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-07 09:24:58,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:24:59,320 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-09-07 09:24:59,320 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:24:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-09-07 09:24:59,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845916878] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:24:59,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:24:59,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2023-09-07 09:24:59,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660457394] [2023-09-07 09:24:59,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:24:59,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-09-07 09:24:59,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:24:59,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-09-07 09:24:59,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1107, Unknown=0, NotChecked=0, Total=1332 [2023-09-07 09:24:59,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:59,682 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:24:59,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 14.135135135135135) internal successors, (523), 37 states have internal predecessors, (523), 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) [2023-09-07 09:24:59,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:24:59,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:59,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:59,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:24:59,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:59,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:24:59,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:24:59,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:24:59,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:24:59,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:24:59,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:24:59,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:24:59,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:00,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:00,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:00,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:00,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:00,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:00,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:00,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:25:00,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:25:00,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:25:00,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:25:00,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:25:00,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:00,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:00,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-09-07 09:25:00,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:25:00,538 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:25:00,538 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:25:00,538 INFO L85 PathProgramCache]: Analyzing trace with hash 146914519, now seen corresponding path program 4 times [2023-09-07 09:25:00,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:25:00,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76906785] [2023-09-07 09:25:00,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:25:00,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:25:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:25:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-09-07 09:25:04,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:25:04,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76906785] [2023-09-07 09:25:04,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76906785] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:25:04,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571586679] [2023-09-07 09:25:04,303 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-07 09:25:04,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:25:04,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:25:04,305 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:25:04,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-09-07 09:25:04,450 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-07 09:25:04,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:25:04,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 75 conjunts are in the unsatisfiable core [2023-09-07 09:25:04,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:25:06,451 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 09:25:06,451 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 49 [2023-09-07 09:25:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-09-07 09:25:06,475 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:25:08,148 INFO L322 Elim1Store]: treesize reduction 4, result has 98.3 percent of original size [2023-09-07 09:25:08,148 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 246 [2023-09-07 09:25:14,865 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-09-07 09:25:14,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571586679] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:25:14,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:25:14,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 29, 27] total 80 [2023-09-07 09:25:14,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836415866] [2023-09-07 09:25:14,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:25:14,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2023-09-07 09:25:14,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:25:14,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2023-09-07 09:25:14,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=5981, Unknown=0, NotChecked=0, Total=6320 [2023-09-07 09:25:14,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:14,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:25:14,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 9.0875) internal successors, (727), 80 states have internal predecessors, (727), 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) [2023-09-07 09:25:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:25:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:25:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:25:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:25:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:25:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:14,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:25:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:25:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:25:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:25:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:25:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:25:18,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-09-07 09:25:19,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-09-07 09:25:19,041 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:25:19,042 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:25:19,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1111963754, now seen corresponding path program 5 times [2023-09-07 09:25:19,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:25:19,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534222002] [2023-09-07 09:25:19,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:25:19,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:25:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:25:19,461 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-09-07 09:25:19,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:25:19,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534222002] [2023-09-07 09:25:19,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534222002] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:25:19,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031948519] [2023-09-07 09:25:19,461 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-07 09:25:19,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:25:19,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:25:19,462 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:25:19,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-09-07 09:25:19,666 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-09-07 09:25:19,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:25:19,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-07 09:25:19,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:25:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-09-07 09:25:20,151 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:25:20,531 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-09-07 09:25:20,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031948519] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:25:20,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:25:20,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2023-09-07 09:25:20,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567661963] [2023-09-07 09:25:20,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:25:20,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-09-07 09:25:20,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:25:20,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-09-07 09:25:20,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1107, Unknown=0, NotChecked=0, Total=1332 [2023-09-07 09:25:20,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:20,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:25:20,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 14.18918918918919) internal successors, (525), 37 states have internal predecessors, (525), 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) [2023-09-07 09:25:20,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:20,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:20,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:20,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:20,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:20,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:20,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:25:20,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:25:20,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:25:20,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:25:20,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:25:20,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:20,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:20,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:25:20,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:25:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:25:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:25:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:25:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:25:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:25:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:25:21,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-09-07 09:25:21,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-09-07 09:25:21,392 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:25:21,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:25:21,393 INFO L85 PathProgramCache]: Analyzing trace with hash -343689750, now seen corresponding path program 6 times [2023-09-07 09:25:21,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:25:21,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006638002] [2023-09-07 09:25:21,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:25:21,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:25:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:25:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-09-07 09:25:23,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:25:23,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006638002] [2023-09-07 09:25:23,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006638002] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:25:23,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515268004] [2023-09-07 09:25:23,471 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-07 09:25:23,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:25:23,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:25:23,473 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:25:23,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-09-07 09:25:23,664 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-09-07 09:25:23,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:25:23,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 57 conjunts are in the unsatisfiable core [2023-09-07 09:25:23,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:25:25,318 INFO L322 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2023-09-07 09:25:25,318 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 13 [2023-09-07 09:25:25,344 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-09-07 09:25:25,345 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:25:26,095 INFO L322 Elim1Store]: treesize reduction 26, result has 89.1 percent of original size [2023-09-07 09:25:26,095 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 224 [2023-09-07 09:25:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-09-07 09:25:27,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515268004] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:25:27,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:25:27,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 24, 19] total 66 [2023-09-07 09:25:27,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502671411] [2023-09-07 09:25:27,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:25:27,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-09-07 09:25:27,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:25:27,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-09-07 09:25:27,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=3992, Unknown=0, NotChecked=0, Total=4290 [2023-09-07 09:25:27,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:27,178 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:25:27,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 9.545454545454545) internal successors, (630), 66 states have internal predecessors, (630), 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) [2023-09-07 09:25:27,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:27,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:27,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:27,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:27,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:27,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:27,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:25:27,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:25:27,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:25:27,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:25:27,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:25:27,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:27,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:27,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:25:27,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:25:27,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:30,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:30,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:30,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:30,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:30,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:30,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:30,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:25:30,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:25:30,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:25:30,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:25:30,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:25:30,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:30,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:30,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:25:30,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:25:30,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:25:30,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-09-07 09:25:30,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-09-07 09:25:30,248 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:25:30,249 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:25:30,249 INFO L85 PathProgramCache]: Analyzing trace with hash 984096739, now seen corresponding path program 7 times [2023-09-07 09:25:30,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:25:30,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191821902] [2023-09-07 09:25:30,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:25:30,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:25:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:25:34,594 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-09-07 09:25:34,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:25:34,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191821902] [2023-09-07 09:25:34,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191821902] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:25:34,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911915471] [2023-09-07 09:25:34,595 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-07 09:25:34,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:25:34,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:25:34,596 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:25:34,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-09-07 09:25:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:25:34,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 124 conjunts are in the unsatisfiable core [2023-09-07 09:25:34,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:25:39,660 INFO L322 Elim1Store]: treesize reduction 9, result has 75.7 percent of original size [2023-09-07 09:25:39,660 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 48 [2023-09-07 09:25:39,741 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-09-07 09:25:39,742 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:25:43,945 INFO L322 Elim1Store]: treesize reduction 12, result has 95.0 percent of original size [2023-09-07 09:25:43,946 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 104 treesize of output 244 [2023-09-07 09:25:49,812 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-09-07 09:25:49,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911915471] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:25:49,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:25:49,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 59, 45] total 136 [2023-09-07 09:25:49,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379091528] [2023-09-07 09:25:49,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:25:49,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2023-09-07 09:25:49,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:25:49,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2023-09-07 09:25:49,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=738, Invalid=17622, Unknown=0, NotChecked=0, Total=18360 [2023-09-07 09:25:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:49,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:25:49,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 6.044117647058823) internal successors, (822), 136 states have internal predecessors, (822), 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) [2023-09-07 09:25:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:25:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:25:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:25:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:25:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:25:49,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:49,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:49,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:25:49,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:25:49,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:25:49,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:57,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:25:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 09:25:57,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-09-07 09:25:57,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-09-07 09:25:57,980 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:25:57,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:25:57,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1126346766, now seen corresponding path program 8 times [2023-09-07 09:25:57,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:25:57,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447097584] [2023-09-07 09:25:57,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:25:57,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:25:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:25:58,495 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 22 proven. 44 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-09-07 09:25:58,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:25:58,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447097584] [2023-09-07 09:25:58,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447097584] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:25:58,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874151072] [2023-09-07 09:25:58,495 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 09:25:58,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:25:58,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:25:58,497 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:25:58,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-09-07 09:25:58,677 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 09:25:58,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:25:58,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 18 conjunts are in the unsatisfiable core [2023-09-07 09:25:58,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:25:59,303 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 39 proven. 27 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-09-07 09:25:59,303 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:25:59,758 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 39 proven. 27 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-09-07 09:25:59,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874151072] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:25:59,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:25:59,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 47 [2023-09-07 09:25:59,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654304030] [2023-09-07 09:25:59,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:25:59,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-09-07 09:25:59,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:25:59,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-09-07 09:25:59,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=336, Invalid=1826, Unknown=0, NotChecked=0, Total=2162 [2023-09-07 09:25:59,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:59,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:25:59,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 12.680851063829786) internal successors, (596), 47 states have internal predecessors, (596), 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) [2023-09-07 09:25:59,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:25:59,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:59,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:59,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:25:59,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:59,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:25:59,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:25:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:25:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:25:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:25:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:25:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:25:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:25:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:25:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:25:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 09:25:59,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:26:00,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:26:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 09:26:00,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:26:00,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-09-07 09:26:00,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-09-07 09:26:00,820 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:26:00,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:26:00,821 INFO L85 PathProgramCache]: Analyzing trace with hash -651023724, now seen corresponding path program 9 times [2023-09-07 09:26:00,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:26:00,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604821439] [2023-09-07 09:26:00,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:26:00,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:26:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:26:01,303 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 22 proven. 44 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-09-07 09:26:01,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:26:01,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604821439] [2023-09-07 09:26:01,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604821439] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:26:01,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255444418] [2023-09-07 09:26:01,304 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 09:26:01,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:26:01,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:26:01,309 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:26:01,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-09-07 09:26:01,597 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-09-07 09:26:01,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:26:01,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 18 conjunts are in the unsatisfiable core [2023-09-07 09:26:01,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:26:02,229 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 39 proven. 27 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-09-07 09:26:02,229 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:26:02,690 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 39 proven. 27 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-09-07 09:26:02,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255444418] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:26:02,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:26:02,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 47 [2023-09-07 09:26:02,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782833328] [2023-09-07 09:26:02,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:26:02,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-09-07 09:26:02,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:26:02,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-09-07 09:26:02,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=336, Invalid=1826, Unknown=0, NotChecked=0, Total=2162 [2023-09-07 09:26:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:26:02,693 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:26:02,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 12.02127659574468) internal successors, (565), 47 states have internal predecessors, (565), 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) [2023-09-07 09:26:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:26:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:26:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:26:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:26:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:26:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:26:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:26:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:26:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:26:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:26:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:26:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:26:02,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:26:02,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 09:26:02,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:26:02,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:26:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:26:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 09:26:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:26:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:26:03,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-09-07 09:26:03,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:26:03,753 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:26:03,753 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:26:03,753 INFO L85 PathProgramCache]: Analyzing trace with hash -987136280, now seen corresponding path program 10 times [2023-09-07 09:26:03,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:26:03,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016943931] [2023-09-07 09:26:03,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:26:03,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:26:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:26:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-09-07 09:26:09,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:26:09,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016943931] [2023-09-07 09:26:09,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016943931] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:26:09,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486463406] [2023-09-07 09:26:09,976 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-07 09:26:09,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:26:09,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:26:09,977 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:26:09,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-09-07 09:26:10,152 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-07 09:26:10,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:26:10,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 99 conjunts are in the unsatisfiable core [2023-09-07 09:26:10,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:26:12,968 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 09:26:12,968 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 49 [2023-09-07 09:26:12,983 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-09-07 09:26:12,983 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:26:15,262 INFO L322 Elim1Store]: treesize reduction 4, result has 98.3 percent of original size [2023-09-07 09:26:15,262 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 246 [2023-09-07 09:26:26,217 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 1 proven. 72 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2023-09-07 09:26:26,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486463406] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:26:26,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:26:26,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 37, 33] total 115 [2023-09-07 09:26:26,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068330116] [2023-09-07 09:26:26,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:26:26,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2023-09-07 09:26:26,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:26:26,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2023-09-07 09:26:26,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=499, Invalid=12611, Unknown=0, NotChecked=0, Total=13110 [2023-09-07 09:26:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:26:26,223 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:26:26,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 7.773913043478261) internal successors, (894), 115 states have internal predecessors, (894), 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) [2023-09-07 09:26:26,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:26:26,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:26,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:26:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:26:37,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:26:37,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:37,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-09-07 09:26:37,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-09-07 09:26:37,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:26:37,871 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:26:37,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:26:37,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1358674223, now seen corresponding path program 11 times [2023-09-07 09:26:37,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:26:37,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473805783] [2023-09-07 09:26:37,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:26:37,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:26:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:26:41,411 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-09-07 09:26:41,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:26:41,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473805783] [2023-09-07 09:26:41,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473805783] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:26:41,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720073646] [2023-09-07 09:26:41,412 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-07 09:26:41,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:26:41,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:26:41,413 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:26:41,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-09-07 09:26:41,791 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-09-07 09:26:41,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:26:41,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 71 conjunts are in the unsatisfiable core [2023-09-07 09:26:41,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:26:43,862 INFO L322 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2023-09-07 09:26:43,862 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 13 [2023-09-07 09:26:43,898 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-09-07 09:26:43,899 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:26:45,127 INFO L322 Elim1Store]: treesize reduction 26, result has 89.1 percent of original size [2023-09-07 09:26:45,127 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 224 [2023-09-07 09:26:46,748 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 2 proven. 93 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-09-07 09:26:46,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720073646] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:26:46,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:26:46,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 27, 25] total 87 [2023-09-07 09:26:46,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204602743] [2023-09-07 09:26:46,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:26:46,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2023-09-07 09:26:46,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:26:46,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2023-09-07 09:26:46,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=7113, Unknown=0, NotChecked=0, Total=7482 [2023-09-07 09:26:46,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:26:46,751 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:26:46,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 8.436781609195402) internal successors, (734), 87 states have internal predecessors, (734), 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) [2023-09-07 09:26:46,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:26:46,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:46,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:46,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:46,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:26:46,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:26:46,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:26:46,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:26:46,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:26:46,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:26:46,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:26:46,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:26:46,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:26:46,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:26:46,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:26:46,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:26:46,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 09:26:46,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:26:46,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:26:46,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2023-09-07 09:26:46,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 09:26:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:26:53,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:26:53,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-09-07 09:26:53,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-09-07 09:26:53,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-09-07 09:26:53,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:26:53,725 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:26:53,725 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:26:53,725 INFO L85 PathProgramCache]: Analyzing trace with hash 621716188, now seen corresponding path program 12 times [2023-09-07 09:26:53,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:26:53,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300192803] [2023-09-07 09:26:53,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:26:53,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:26:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:26:58,690 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-09-07 09:26:58,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:26:58,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300192803] [2023-09-07 09:26:58,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300192803] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:26:58,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931308278] [2023-09-07 09:26:58,691 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-07 09:26:58,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:26:58,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:26:58,692 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:26:58,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-09-07 09:26:58,930 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-09-07 09:26:58,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:26:58,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 110 conjunts are in the unsatisfiable core [2023-09-07 09:26:58,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:27:03,381 INFO L322 Elim1Store]: treesize reduction 3, result has 91.9 percent of original size [2023-09-07 09:27:03,381 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 50 [2023-09-07 09:27:03,492 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-09-07 09:27:03,493 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:27:22,393 INFO L322 Elim1Store]: treesize reduction 4, result has 98.3 percent of original size [2023-09-07 09:27:22,394 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 236 [2023-09-07 09:27:28,721 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-09-07 09:27:28,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931308278] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:27:28,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:27:28,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 57, 45] total 140 [2023-09-07 09:27:28,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365861308] [2023-09-07 09:27:28,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:27:28,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2023-09-07 09:27:28,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:27:28,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2023-09-07 09:27:28,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=686, Invalid=18770, Unknown=4, NotChecked=0, Total=19460 [2023-09-07 09:27:28,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:27:28,725 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:27:28,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 140 states have (on average 6.3) internal successors, (882), 140 states have internal predecessors, (882), 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) [2023-09-07 09:27:28,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:27:28,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:27:28,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:27:28,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:27:28,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2023-09-07 09:27:28,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2023-09-07 09:27:28,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:27:35,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:27:35,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:27:35,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:27:35,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:27:35,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:27:35,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:27:35,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:27:35,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:27:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:27:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:27:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:27:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:27:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:27:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:27:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:27:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:27:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 09:27:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:27:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:27:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-09-07 09:27:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-09-07 09:27:35,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-09-07 09:27:35,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-09-07 09:27:35,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-09-07 09:27:35,939 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:27:35,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:27:35,939 INFO L85 PathProgramCache]: Analyzing trace with hash -428078015, now seen corresponding path program 13 times [2023-09-07 09:27:35,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:27:35,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729047712] [2023-09-07 09:27:35,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:27:35,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:27:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:27:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 45 proven. 77 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-09-07 09:27:36,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:27:36,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729047712] [2023-09-07 09:27:36,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729047712] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:27:36,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009687949] [2023-09-07 09:27:36,493 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-07 09:27:36,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:27:36,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:27:36,495 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:27:36,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-09-07 09:27:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:27:36,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 22 conjunts are in the unsatisfiable core [2023-09-07 09:27:36,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:27:37,463 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 70 proven. 52 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-09-07 09:27:37,463 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:27:38,191 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 70 proven. 52 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-09-07 09:27:38,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009687949] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:27:38,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:27:38,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 64 [2023-09-07 09:27:38,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505054516] [2023-09-07 09:27:38,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:27:38,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-09-07 09:27:38,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:27:38,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-09-07 09:27:38,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=3595, Unknown=0, NotChecked=0, Total=4032 [2023-09-07 09:27:38,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:27:38,195 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:27:38,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 9.9375) internal successors, (636), 64 states have internal predecessors, (636), 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) [2023-09-07 09:27:38,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:27:38,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:27:38,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:27:38,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:27:38,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2023-09-07 09:27:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2023-09-07 09:27:38,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:27:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-09-07 09:27:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-09-07 09:27:40,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-09-07 09:27:40,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-09-07 09:27:40,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:27:40,382 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:27:40,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:27:40,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1997300619, now seen corresponding path program 14 times [2023-09-07 09:27:40,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:27:40,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700489847] [2023-09-07 09:27:40,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:27:40,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:27:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:27:45,035 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 230 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-09-07 09:27:45,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:27:45,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700489847] [2023-09-07 09:27:45,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700489847] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:27:45,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113371848] [2023-09-07 09:27:45,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 09:27:45,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:27:45,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:27:45,037 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:27:45,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-09-07 09:27:45,245 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 09:27:45,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:27:45,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 149 conjunts are in the unsatisfiable core [2023-09-07 09:27:45,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:27:49,570 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-09-07 09:27:49,928 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-07 09:27:50,054 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-07 09:27:50,171 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-07 09:27:53,849 INFO L322 Elim1Store]: treesize reduction 3, result has 91.9 percent of original size [2023-09-07 09:27:53,849 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 50 [2023-09-07 09:27:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 346 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-09-07 09:27:53,979 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:28:01,171 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 09:28:01,171 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 192 treesize of output 132 [2023-09-07 09:28:01,413 INFO L322 Elim1Store]: treesize reduction 4, result has 98.3 percent of original size [2023-09-07 09:28:01,413 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 9024 treesize of output 8528 [2023-09-07 09:28:01,751 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 09:28:01,752 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 5072 treesize of output 4592 [2023-09-07 09:28:02,011 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 09:28:02,012 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 4400 treesize of output 3248 [2023-09-07 09:28:02,309 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 09:28:02,310 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 3056 treesize of output 2912 Received shutdown request... [2023-09-07 09:37:07,930 WARN L266 SmtUtils]: Removed 2 from assertion stack [2023-09-07 09:37:07,932 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 09:37:07,933 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-09-07 09:37:07,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-09-07 09:37:07,956 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 09:37:07,956 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2023-09-07 09:37:08,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:37:08,134 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 405 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 17ms.. [2023-09-07 09:37:08,137 INFO L445 BasicCegarLoop]: Path program histogram: [14, 3, 1, 1, 1, 1, 1, 1, 1] [2023-09-07 09:37:08,138 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2023-09-07 09:37:08,139 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 09:37:08,139 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 09:37:08,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 09:37:08 BasicIcfg [2023-09-07 09:37:08,141 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 09:37:08,141 INFO L158 Benchmark]: Toolchain (without parser) took 777316.96ms. Allocated memory was 225.4MB in the beginning and 1.2GB in the end (delta: 943.7MB). Free memory was 178.6MB in the beginning and 907.2MB in the end (delta: -728.7MB). Peak memory consumption was 821.7MB. Max. memory is 7.0GB. [2023-09-07 09:37:08,141 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 09:37:08,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.26ms. Allocated memory is still 225.4MB. Free memory was 178.2MB in the beginning and 166.3MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-07 09:37:08,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.08ms. Allocated memory is still 225.4MB. Free memory was 166.3MB in the beginning and 164.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 09:37:08,142 INFO L158 Benchmark]: Boogie Preprocessor took 33.81ms. Allocated memory is still 225.4MB. Free memory was 164.2MB in the beginning and 162.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 09:37:08,142 INFO L158 Benchmark]: RCFGBuilder took 616.67ms. Allocated memory is still 225.4MB. Free memory was 162.1MB in the beginning and 138.7MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 7.0GB. [2023-09-07 09:37:08,142 INFO L158 Benchmark]: TraceAbstraction took 776389.97ms. Allocated memory was 225.4MB in the beginning and 1.2GB in the end (delta: 943.7MB). Free memory was 138.0MB in the beginning and 907.2MB in the end (delta: -769.3MB). Peak memory consumption was 780.8MB. Max. memory is 7.0GB. [2023-09-07 09:37:08,143 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 225.26ms. Allocated memory is still 225.4MB. Free memory was 178.2MB in the beginning and 166.3MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 45.08ms. Allocated memory is still 225.4MB. Free memory was 166.3MB in the beginning and 164.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 33.81ms. Allocated memory is still 225.4MB. Free memory was 164.2MB in the beginning and 162.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 616.67ms. Allocated memory is still 225.4MB. Free memory was 162.1MB in the beginning and 138.7MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 7.0GB. * TraceAbstraction took 776389.97ms. Allocated memory was 225.4MB in the beginning and 1.2GB in the end (delta: 943.7MB). Free memory was 138.0MB in the beginning and 907.2MB in the end (delta: -769.3MB). Peak memory consumption was 780.8MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 320990, independent: 277218, independent conditional: 277218, independent unconditional: 0, dependent: 43772, dependent conditional: 43772, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 277218, independent: 277218, independent conditional: 277218, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 277218, independent: 277218, independent conditional: 277218, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 277218, independent: 277218, independent conditional: 0, independent unconditional: 277218, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 277218, independent: 277218, independent conditional: 0, independent unconditional: 277218, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 277218, independent: 277218, independent conditional: 0, independent unconditional: 277218, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 590, independent: 590, independent conditional: 0, independent unconditional: 590, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 590, independent: 590, independent conditional: 0, independent unconditional: 590, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 277218, independent: 276628, independent conditional: 0, independent unconditional: 276628, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 590, unknown conditional: 0, unknown unconditional: 590] , Statistics on independence cache: Total cache size (in pairs): 590, Positive cache size: 590, Positive conditional cache size: 0, Positive unconditional cache size: 590, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 43772 - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 405 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 17ms.. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 306 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 776.2s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 54.7s, 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: 805, 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: 0.6s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 145.4s InterpolantComputationTime, 11533 NumberOfCodeBlocks, 11446 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 16539 ConstructedInterpolants, 526 QuantifiedInterpolants, 158305 SizeOfPredicates, 546 NumberOfNonLiveVariables, 9893 ConjunctsInSsa, 804 ConjunctsInUnsatCore, 55 InterpolantComputations, 7 PerfectInterpolantSequences, 3923/6173 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown