/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/chl-word-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 09:50:07,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 09:50:07,378 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-09-07 09:50:07,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 09:50:07,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 09:50:07,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 09:50:07,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 09:50:07,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 09:50:07,402 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 09:50:07,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 09:50:07,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 09:50:07,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 09:50:07,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 09:50:07,404 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 09:50:07,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 09:50:07,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 09:50:07,405 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 09:50:07,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 09:50:07,406 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 09:50:07,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 09:50:07,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 09:50:07,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 09:50:07,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 09:50:07,407 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 09:50:07,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 09:50:07,408 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 09:50:07,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 09:50:07,409 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 09:50:07,409 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 09:50:07,409 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 09:50:07,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 09:50:07,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 09:50:07,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 09:50:07,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 09:50:07,411 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 09:50:07,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 09:50:07,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 09:50:07,412 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 09:50:07,412 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 09:50:07,412 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-09-07 09:50:07,413 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-09-07 09:50:07,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 09:50:07,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 09:50:07,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 09:50:07,612 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 09:50:07,612 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 09:50:07,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2023-09-07 09:50:08,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 09:50:08,923 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 09:50:08,924 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2023-09-07 09:50:08,930 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c09fce666/31d37c9bb5824895a72061a7d157ff11/FLAGd91ab3a6f [2023-09-07 09:50:08,943 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c09fce666/31d37c9bb5824895a72061a7d157ff11 [2023-09-07 09:50:08,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 09:50:08,947 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 09:50:08,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 09:50:08,949 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 09:50:08,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 09:50:08,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:50:08" (1/1) ... [2023-09-07 09:50:08,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1424aeb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:50:08, skipping insertion in model container [2023-09-07 09:50:08,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:50:08" (1/1) ... [2023-09-07 09:50:08,977 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 09:50:09,173 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/chl-word-symm.wvr.c[2848,2861] [2023-09-07 09:50:09,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 09:50:09,197 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 09:50:09,230 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/chl-word-symm.wvr.c[2848,2861] [2023-09-07 09:50:09,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 09:50:09,247 INFO L206 MainTranslator]: Completed translation [2023-09-07 09:50:09,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:50:09 WrapperNode [2023-09-07 09:50:09,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 09:50:09,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 09:50:09,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 09:50:09,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 09:50:09,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:50:09" (1/1) ... [2023-09-07 09:50:09,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:50:09" (1/1) ... [2023-09-07 09:50:09,297 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 136 [2023-09-07 09:50:09,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 09:50:09,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 09:50:09,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 09:50:09,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 09:50:09,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:50:09" (1/1) ... [2023-09-07 09:50:09,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:50:09" (1/1) ... [2023-09-07 09:50:09,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:50:09" (1/1) ... [2023-09-07 09:50:09,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:50:09" (1/1) ... [2023-09-07 09:50:09,322 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:50:09" (1/1) ... [2023-09-07 09:50:09,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:50:09" (1/1) ... [2023-09-07 09:50:09,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:50:09" (1/1) ... [2023-09-07 09:50:09,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:50:09" (1/1) ... [2023-09-07 09:50:09,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 09:50:09,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 09:50:09,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 09:50:09,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 09:50:09,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:50:09" (1/1) ... [2023-09-07 09:50:09,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 09:50:09,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:50:09,370 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 09:50:09,376 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 09:50:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 09:50:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-07 09:50:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-07 09:50:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-07 09:50:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-07 09:50:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 09:50:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 09:50:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 09:50:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-07 09:50:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 09:50:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 09:50:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 09:50:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 09:50:09,403 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 09:50:09,482 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 09:50:09,483 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 09:50:09,818 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 09:50:09,833 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 09:50:09,833 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-09-07 09:50:09,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:50:09 BoogieIcfgContainer [2023-09-07 09:50:09,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 09:50:09,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 09:50:09,838 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 09:50:09,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 09:50:09,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 09:50:08" (1/3) ... [2023-09-07 09:50:09,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c63681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:50:09, skipping insertion in model container [2023-09-07 09:50:09,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:50:09" (2/3) ... [2023-09-07 09:50:09,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c63681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:50:09, skipping insertion in model container [2023-09-07 09:50:09,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:50:09" (3/3) ... [2023-09-07 09:50:09,847 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-symm.wvr.c [2023-09-07 09:50:09,854 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 09:50:09,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 09:50:09,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-07 09:50:09,862 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 09:50:09,970 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-07 09:50:10,024 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 09:50:10,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 09:50:10,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:50:10,027 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 09:50:10,051 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 09:50:10,079 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 09:50:10,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-09-07 09:50:10,090 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;@541feeea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 09:50:10,090 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-09-07 09:50:10,183 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:10,187 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:10,187 INFO L85 PathProgramCache]: Analyzing trace with hash 566389397, now seen corresponding path program 1 times [2023-09-07 09:50:10,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:10,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273417610] [2023-09-07 09:50:10,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:10,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:10,508 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 09:50:10,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:10,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273417610] [2023-09-07 09:50:10,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273417610] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 09:50:10,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 09:50:10,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-07 09:50:10,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996942159] [2023-09-07 09:50:10,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:50:10,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-07 09:50:10,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:10,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-07 09:50:10,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-07 09:50:10,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:10,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:10,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 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 09:50:10,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:10,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 09:50:10,571 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:10,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:10,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1928981015, now seen corresponding path program 1 times [2023-09-07 09:50:10,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:10,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324890337] [2023-09-07 09:50:10,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:10,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:11,084 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 09:50:11,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:11,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324890337] [2023-09-07 09:50:11,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324890337] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 09:50:11,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 09:50:11,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-07 09:50:11,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457847971] [2023-09-07 09:50:11,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:50:11,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-07 09:50:11,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:11,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-07 09:50:11,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-09-07 09:50:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:11,088 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:11,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 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 09:50:11,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:11,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:11,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:11,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:11,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 09:50:11,305 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:11,306 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:11,306 INFO L85 PathProgramCache]: Analyzing trace with hash 597567405, now seen corresponding path program 1 times [2023-09-07 09:50:11,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:11,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3448184] [2023-09-07 09:50:11,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:11,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:11,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 09:50:11,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:11,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3448184] [2023-09-07 09:50:11,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3448184] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 09:50:11,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 09:50:11,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-07 09:50:11,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434244722] [2023-09-07 09:50:11,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:50:11,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-07 09:50:11,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:11,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-07 09:50:11,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-09-07 09:50:11,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:11,593 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:11,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 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 09:50:11,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:11,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:11,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:11,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:11,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:11,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:11,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-07 09:50:11,721 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:11,722 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:11,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1776030623, now seen corresponding path program 1 times [2023-09-07 09:50:11,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:11,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515911464] [2023-09-07 09:50:11,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:11,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:11,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-07 09:50:11,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:11,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515911464] [2023-09-07 09:50:11,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515911464] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 09:50:11,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 09:50:11,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-07 09:50:11,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54631950] [2023-09-07 09:50:11,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:50:11,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-07 09:50:11,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:11,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-07 09:50:11,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-07 09:50:11,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:11,875 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:11,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 09:50:11,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:11,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:11,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:11,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:11,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:11,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:11,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:11,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-07 09:50:11,897 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:11,901 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:11,902 INFO L85 PathProgramCache]: Analyzing trace with hash -822047805, now seen corresponding path program 1 times [2023-09-07 09:50:11,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:11,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364528160] [2023-09-07 09:50:11,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:11,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:12,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-07 09:50:12,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:12,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364528160] [2023-09-07 09:50:12,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364528160] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 09:50:12,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 09:50:12,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-07 09:50:12,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307547621] [2023-09-07 09:50:12,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:50:12,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-07 09:50:12,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:12,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-07 09:50:12,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-07 09:50:12,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:12,033 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:12,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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 09:50:12,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:12,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:12,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:12,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:12,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:12,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:12,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:12,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:12,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:12,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-07 09:50:12,054 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:12,054 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:12,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1861076716, now seen corresponding path program 1 times [2023-09-07 09:50:12,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:12,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658797664] [2023-09-07 09:50:12,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:12,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:15,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 09:50:15,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:15,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658797664] [2023-09-07 09:50:15,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658797664] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:50:15,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096249476] [2023-09-07 09:50:15,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:15,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:50:15,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:50:15,723 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 09:50:15,724 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 09:50:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:15,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 87 conjunts are in the unsatisfiable core [2023-09-07 09:50:15,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:50:15,924 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-07 09:50:16,103 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-09-07 09:50:16,104 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-09-07 09:50:16,341 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-09-07 09:50:16,742 INFO L322 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-09-07 09:50:16,742 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-09-07 09:50:16,979 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-09-07 09:50:17,263 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 09:50:17,340 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-07 09:50:18,673 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 09:50:18,673 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 77 treesize of output 77 [2023-09-07 09:50:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 09:50:19,325 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:50:21,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-07 09:50:21,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096249476] provided 1 perfect and 1 imperfect interpolant sequences [2023-09-07 09:50:21,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-09-07 09:50:21,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [34, 36] total 80 [2023-09-07 09:50:21,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978021085] [2023-09-07 09:50:21,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:50:21,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-09-07 09:50:21,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:21,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-09-07 09:50:21,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=6002, Unknown=0, NotChecked=0, Total=6320 [2023-09-07 09:50:21,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:21,033 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:21,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.9523809523809526) internal successors, (167), 21 states have internal predecessors, (167), 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 09:50:21,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:21,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:21,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:21,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:21,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:21,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:22,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:22,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:22,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:22,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:22,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:22,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-09-07 09:50:23,142 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,SelfDestructingSolverStorable5 [2023-09-07 09:50:23,142 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:23,143 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:23,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1414598116, now seen corresponding path program 1 times [2023-09-07 09:50:23,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:23,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179131697] [2023-09-07 09:50:23,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:23,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:23,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 09:50:23,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:23,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179131697] [2023-09-07 09:50:23,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179131697] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:50:23,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919548992] [2023-09-07 09:50:23,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:23,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:50:23,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:50:23,400 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 09:50:23,425 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 09:50:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:23,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 10 conjunts are in the unsatisfiable core [2023-09-07 09:50:23,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:50:23,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 09:50:23,765 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:50:24,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 09:50:24,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919548992] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:50:24,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:50:24,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2023-09-07 09:50:24,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160582523] [2023-09-07 09:50:24,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:50:24,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-09-07 09:50:24,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:24,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-09-07 09:50:24,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2023-09-07 09:50:24,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:24,086 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:24,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 11.535714285714286) internal successors, (323), 28 states have internal predecessors, (323), 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 09:50:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:24,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:24,665 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 09:50:24,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:50:24,863 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:24,863 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:24,863 INFO L85 PathProgramCache]: Analyzing trace with hash -715321508, now seen corresponding path program 2 times [2023-09-07 09:50:24,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:24,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860079685] [2023-09-07 09:50:24,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:24,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:25,720 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-07 09:50:25,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:25,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860079685] [2023-09-07 09:50:25,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860079685] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 09:50:25,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 09:50:25,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-09-07 09:50:25,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622261781] [2023-09-07 09:50:25,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:50:25,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-09-07 09:50:25,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:25,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-09-07 09:50:25,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2023-09-07 09:50:25,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:25,723 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:25,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.8) internal successors, (176), 20 states have internal predecessors, (176), 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 09:50:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:26,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:26,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:26,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:26,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-09-07 09:50:26,129 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:26,130 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:26,130 INFO L85 PathProgramCache]: Analyzing trace with hash -753501718, now seen corresponding path program 1 times [2023-09-07 09:50:26,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:26,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43497136] [2023-09-07 09:50:26,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:26,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 09:50:26,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:26,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43497136] [2023-09-07 09:50:26,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43497136] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:50:26,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776941892] [2023-09-07 09:50:26,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:26,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:50:26,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:50:26,502 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 09:50:26,504 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 09:50:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:26,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-07 09:50:26,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:50:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 09:50:27,059 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:50:27,605 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 09:50:27,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776941892] provided 1 perfect and 1 imperfect interpolant sequences [2023-09-07 09:50:27,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-09-07 09:50:27,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15, 15] total 35 [2023-09-07 09:50:27,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474550328] [2023-09-07 09:50:27,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:50:27,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-09-07 09:50:27,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:27,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-09-07 09:50:27,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=941, Unknown=0, NotChecked=0, Total=1190 [2023-09-07 09:50:27,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:27,607 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:27,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.533333333333333) internal successors, (173), 15 states have internal predecessors, (173), 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 09:50:27,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:27,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:27,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:27,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:27,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:27,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:27,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:27,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:27,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:28,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:28,051 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 09:50:28,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:50:28,242 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:28,243 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:28,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1373520994, now seen corresponding path program 1 times [2023-09-07 09:50:28,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:28,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237125070] [2023-09-07 09:50:28,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:28,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-07 09:50:28,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:28,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237125070] [2023-09-07 09:50:28,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237125070] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 09:50:28,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 09:50:28,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-07 09:50:28,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965177858] [2023-09-07 09:50:28,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 09:50:28,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-07 09:50:28,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:28,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-07 09:50:28,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-07 09:50:28,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:28,298 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:28,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 09:50:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:31,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:50:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:50:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:31,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-09-07 09:50:31,025 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:31,025 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:31,025 INFO L85 PathProgramCache]: Analyzing trace with hash -429633047, now seen corresponding path program 1 times [2023-09-07 09:50:31,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:31,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136720606] [2023-09-07 09:50:31,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:31,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:31,756 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-07 09:50:31,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:31,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136720606] [2023-09-07 09:50:31,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136720606] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:50:31,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746426998] [2023-09-07 09:50:31,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:31,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:50:31,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:50:31,758 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 09:50:31,783 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 09:50:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:31,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 31 conjunts are in the unsatisfiable core [2023-09-07 09:50:31,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:50:32,061 INFO L322 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-09-07 09:50:32,062 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2023-09-07 09:50:32,076 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-07 09:50:32,076 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:50:32,230 INFO L322 Elim1Store]: treesize reduction 28, result has 59.4 percent of original size [2023-09-07 09:50:32,231 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 48 [2023-09-07 09:50:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-07 09:50:32,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746426998] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:50:32,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:50:32,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 9, 9] total 31 [2023-09-07 09:50:32,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284392832] [2023-09-07 09:50:32,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:50:32,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-09-07 09:50:32,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:32,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-09-07 09:50:32,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=812, Unknown=0, NotChecked=0, Total=930 [2023-09-07 09:50:32,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:32,257 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:32,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 9.129032258064516) internal successors, (283), 31 states have internal predecessors, (283), 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 09:50:32,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:32,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:32,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:32,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:32,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:32,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:50:32,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:32,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:50:32,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:32,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:32,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:50:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:50:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:33,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:50:33,124 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 09:50:33,315 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 09:50:33,315 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:33,316 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:33,316 INFO L85 PathProgramCache]: Analyzing trace with hash -450195577, now seen corresponding path program 1 times [2023-09-07 09:50:33,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:33,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437737038] [2023-09-07 09:50:33,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:33,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:37,792 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 09:50:37,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:37,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437737038] [2023-09-07 09:50:37,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437737038] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:50:37,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502069953] [2023-09-07 09:50:37,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:37,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:50:37,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:50:37,797 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 09:50:37,815 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 09:50:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:37,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 63 conjunts are in the unsatisfiable core [2023-09-07 09:50:37,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:50:39,082 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 09:50:39,082 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 87 treesize of output 69 [2023-09-07 09:50:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-09-07 09:50:39,491 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:50:40,790 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 09:50:40,791 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 55 [2023-09-07 09:50:40,834 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-07 09:50:40,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502069953] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:50:40,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:50:40,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 24, 22] total 77 [2023-09-07 09:50:40,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188335895] [2023-09-07 09:50:40,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:50:40,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2023-09-07 09:50:40,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:40,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2023-09-07 09:50:40,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=5583, Unknown=0, NotChecked=0, Total=5852 [2023-09-07 09:50:40,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:40,841 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:40,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 5.441558441558442) internal successors, (419), 77 states have internal predecessors, (419), 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 09:50:40,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:40,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:40,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:40,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:40,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:40,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:50:40,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:40,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:50:40,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:40,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:40,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:50:40,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:48,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:50:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:50:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:50:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:50:48,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-07 09:50:48,401 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 09:50:48,402 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:48,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:48,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1785512873, now seen corresponding path program 2 times [2023-09-07 09:50:48,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:48,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604724550] [2023-09-07 09:50:48,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:48,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:48,711 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-09-07 09:50:48,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:48,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604724550] [2023-09-07 09:50:48,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604724550] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:50:48,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200494648] [2023-09-07 09:50:48,712 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 09:50:48,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:50:48,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:50:48,713 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 09:50:48,737 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 09:50:48,850 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 09:50:48,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:50:48,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-07 09:50:48,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:50:49,169 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-09-07 09:50:49,170 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:50:49,523 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-09-07 09:50:49,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200494648] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:50:49,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:50:49,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-09-07 09:50:49,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219248807] [2023-09-07 09:50:49,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:50:49,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-09-07 09:50:49,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:49,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-09-07 09:50:49,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2023-09-07 09:50:49,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:49,525 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:49,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 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 09:50:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:50:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:50:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:50:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:50:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:49,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:50:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:50:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:50:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:50:49,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:50:49,875 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 09:50:50,071 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 09:50:50,072 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:50,072 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:50,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1682525485, now seen corresponding path program 3 times [2023-09-07 09:50:50,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:50,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90927253] [2023-09-07 09:50:50,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:50,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:50,354 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-09-07 09:50:50,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:50,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90927253] [2023-09-07 09:50:50,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90927253] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:50:50,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298646965] [2023-09-07 09:50:50,354 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 09:50:50,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:50:50,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:50:50,357 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 09:50:50,381 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 09:50:50,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-09-07 09:50:50,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:50:50,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-07 09:50:50,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:50:50,935 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-09-07 09:50:50,935 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:50:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-09-07 09:50:51,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298646965] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:50:51,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:50:51,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-09-07 09:50:51,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514799747] [2023-09-07 09:50:51,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:50:51,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-09-07 09:50:51,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:51,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-09-07 09:50:51,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2023-09-07 09:50:51,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:51,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:51,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 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 09:50:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:50:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:50:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:50:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:50:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:50:51,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:50:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:50:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:50:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:50:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:50:51,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:50:51,640 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 09:50:51,840 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 09:50:51,840 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:51,841 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:51,841 INFO L85 PathProgramCache]: Analyzing trace with hash -254424287, now seen corresponding path program 4 times [2023-09-07 09:50:51,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:51,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071678378] [2023-09-07 09:50:51,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:51,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-09-07 09:50:53,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:53,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071678378] [2023-09-07 09:50:53,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071678378] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:50:53,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815930] [2023-09-07 09:50:53,340 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-07 09:50:53,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:50:53,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:50:53,341 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 09:50:53,343 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 09:50:53,452 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-07 09:50:53,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:50:53,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 47 conjunts are in the unsatisfiable core [2023-09-07 09:50:53,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:50:53,813 INFO L322 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-09-07 09:50:53,813 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 20 [2023-09-07 09:50:53,837 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 13 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-09-07 09:50:53,837 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:50:54,074 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 09:50:54,075 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52 [2023-09-07 09:50:54,115 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-09-07 09:50:54,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815930] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:50:54,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:50:54,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 15, 13] total 43 [2023-09-07 09:50:54,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627959095] [2023-09-07 09:50:54,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:50:54,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-09-07 09:50:54,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:54,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-09-07 09:50:54,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1643, Unknown=0, NotChecked=0, Total=1806 [2023-09-07 09:50:54,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:54,119 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:54,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 7.790697674418604) internal successors, (335), 43 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 09:50:54,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:54,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:54,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:54,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:54,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:54,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:50:54,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:54,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:50:54,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:54,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:54,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:50:54,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:50:54,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:50:54,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:50:54,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:50:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:50:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:50:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:50:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:50:55,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:50:55,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-07 09:50:55,372 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 09:50:55,567 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 09:50:55,567 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:50:55,568 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:50:55,568 INFO L85 PathProgramCache]: Analyzing trace with hash 2093085253, now seen corresponding path program 1 times [2023-09-07 09:50:55,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:50:55,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484781901] [2023-09-07 09:50:55,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:55,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:50:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-09-07 09:50:56,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:50:56,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484781901] [2023-09-07 09:50:56,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484781901] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:50:56,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553334466] [2023-09-07 09:50:56,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:50:56,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:50:56,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:50:56,036 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 09:50:56,038 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 09:50:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:50:56,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 32 conjunts are in the unsatisfiable core [2023-09-07 09:50:56,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:50:56,945 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 45 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-09-07 09:50:56,946 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:50:57,895 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-09-07 09:50:57,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553334466] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:50:57,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:50:57,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 24, 24] total 64 [2023-09-07 09:50:57,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896964845] [2023-09-07 09:50:57,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:50:57,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-09-07 09:50:57,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:50:57,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-09-07 09:50:57,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=691, Invalid=3341, Unknown=0, NotChecked=0, Total=4032 [2023-09-07 09:50:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:57,899 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:50:57,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.8125) internal successors, (500), 64 states have internal predecessors, (500), 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 09:50:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:50:57,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:50:57,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:50:57,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:57,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:57,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:50:57,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:50:57,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:50:57,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:50:57,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:50:57,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:50:57,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-09-07 09:50:57,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:50:57,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:50:57,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-07 09:50:57,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:51:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:51:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:51:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:51:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:51:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:51:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:51:04,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:51:04,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:51:04,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:51:04,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:51:04,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-09-07 09:51:04,257 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 09:51:04,451 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 09:51:04,452 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:51:04,452 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:51:04,452 INFO L85 PathProgramCache]: Analyzing trace with hash -457805218, now seen corresponding path program 5 times [2023-09-07 09:51:04,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:51:04,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770036830] [2023-09-07 09:51:04,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:51:04,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:51:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:51:05,913 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-09-07 09:51:05,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:51:05,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770036830] [2023-09-07 09:51:05,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770036830] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:51:05,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158337336] [2023-09-07 09:51:05,913 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-07 09:51:05,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:51:05,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:51:05,915 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 09:51:05,917 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 09:51:06,077 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-09-07 09:51:06,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:51:06,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 49 conjunts are in the unsatisfiable core [2023-09-07 09:51:06,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:51:06,580 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-09-07 09:51:06,581 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2023-09-07 09:51:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-09-07 09:51:06,596 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:51:06,824 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 09:51:06,825 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52 [2023-09-07 09:51:06,896 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-09-07 09:51:06,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158337336] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:51:06,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:51:06,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25, 13] total 40 [2023-09-07 09:51:06,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451081007] [2023-09-07 09:51:06,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:51:06,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-09-07 09:51:06,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:51:06,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-09-07 09:51:06,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1406, Unknown=0, NotChecked=0, Total=1560 [2023-09-07 09:51:06,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:06,900 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:51:06,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 8.25) internal successors, (330), 40 states have internal predecessors, (330), 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 09:51:06,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:06,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:51:06,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:51:06,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:06,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:06,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:51:06,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:51:06,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:51:06,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:51:06,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:06,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:51:06,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:51:06,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:51:06,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:51:06,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:51:06,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-09-07 09:51:06,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:08,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:08,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:51:08,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:51:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:51:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:51:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:51:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:51:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:51:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:51:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:51:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:51:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:51:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:51:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:51:08,395 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 09:51:08,588 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 09:51:08,588 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:51:08,588 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:51:08,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1228070222, now seen corresponding path program 6 times [2023-09-07 09:51:08,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:51:08,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688373519] [2023-09-07 09:51:08,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:51:08,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:51:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:51:14,272 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 09:51:14,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:51:14,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688373519] [2023-09-07 09:51:14,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688373519] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:51:14,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562221855] [2023-09-07 09:51:14,273 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-07 09:51:14,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:51:14,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:51:14,274 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 09:51:14,275 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 09:51:14,471 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-09-07 09:51:14,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:51:14,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 71 conjunts are in the unsatisfiable core [2023-09-07 09:51:14,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:51:16,178 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 09:51:16,178 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 77 treesize of output 65 [2023-09-07 09:51:16,649 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-09-07 09:51:16,650 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:51:18,065 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 09:51:18,066 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 54 [2023-09-07 09:51:18,343 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-09-07 09:51:18,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562221855] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:51:18,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:51:18,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 31, 26] total 101 [2023-09-07 09:51:18,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772554028] [2023-09-07 09:51:18,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:51:18,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2023-09-07 09:51:18,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:51:18,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2023-09-07 09:51:18,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=401, Invalid=9699, Unknown=0, NotChecked=0, Total=10100 [2023-09-07 09:51:18,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:18,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:51:18,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 5.346534653465347) internal successors, (540), 101 states have internal predecessors, (540), 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 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:51:18,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:51:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:51:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:51:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:51:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:51:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:51:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:51:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:51:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:51:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:51:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:51:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:51:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:51:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-09-07 09:51:29,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-09-07 09:51:29,779 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 09:51:29,780 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:51:29,780 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:51:29,780 INFO L85 PathProgramCache]: Analyzing trace with hash 260536748, now seen corresponding path program 7 times [2023-09-07 09:51:29,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:51:29,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737319066] [2023-09-07 09:51:29,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:51:29,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:51:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:51:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 22 proven. 83 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-09-07 09:51:31,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:51:31,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737319066] [2023-09-07 09:51:31,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737319066] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:51:31,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376776605] [2023-09-07 09:51:31,476 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-07 09:51:31,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:51:31,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:51:31,478 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 09:51:31,481 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 09:51:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:51:31,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 67 conjunts are in the unsatisfiable core [2023-09-07 09:51:31,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:51:32,380 INFO L322 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-09-07 09:51:32,380 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 20 [2023-09-07 09:51:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 22 proven. 114 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-09-07 09:51:32,400 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:51:32,728 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 09:51:32,728 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52 [2023-09-07 09:51:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 22 proven. 34 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-09-07 09:51:32,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376776605] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:51:32,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:51:32,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 30, 17] total 68 [2023-09-07 09:51:32,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805980629] [2023-09-07 09:51:32,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:51:32,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2023-09-07 09:51:32,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:51:32,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2023-09-07 09:51:32,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=4260, Unknown=0, NotChecked=0, Total=4556 [2023-09-07 09:51:32,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:32,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:51:32,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 7.161764705882353) internal successors, (487), 68 states have internal predecessors, (487), 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 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:51:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-09-07 09:51:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:43,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:43,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:51:43,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:51:43,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:51:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:51:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:51:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:51:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:51:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:51:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:51:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:51:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:51:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:51:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:51:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:51:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:51:43,523 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 09:51:43,718 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 09:51:43,718 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:51:43,718 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:51:43,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1059450119, now seen corresponding path program 8 times [2023-09-07 09:51:43,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:51:43,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731432022] [2023-09-07 09:51:43,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:51:43,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:51:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:51:45,314 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-09-07 09:51:45,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:51:45,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731432022] [2023-09-07 09:51:45,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731432022] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:51:45,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503373686] [2023-09-07 09:51:45,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 09:51:45,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:51:45,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:51:45,315 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 09:51:45,317 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 09:51:45,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 09:51:45,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:51:45,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 82 conjunts are in the unsatisfiable core [2023-09-07 09:51:45,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:51:46,090 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 09:51:46,185 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 15 treesize of output 11 [2023-09-07 09:51:46,310 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 09:51:46,345 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 09:51:46,932 INFO L322 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-09-07 09:51:46,932 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 10 [2023-09-07 09:51:46,961 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-09-07 09:51:46,962 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:51:47,669 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 2 proven. 54 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-09-07 09:51:47,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503373686] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:51:47,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:51:47,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 36, 17] total 80 [2023-09-07 09:51:47,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969066471] [2023-09-07 09:51:47,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:51:47,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2023-09-07 09:51:47,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:51:47,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2023-09-07 09:51:47,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=6019, Unknown=0, NotChecked=0, Total=6320 [2023-09-07 09:51:47,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:47,673 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:51:47,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 6.7875) internal successors, (543), 80 states have internal predecessors, (543), 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 09:51:47,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:47,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:51:47,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:51:47,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:47,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:47,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:51:47,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:51:47,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:51:47,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:51:47,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:47,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:51:47,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:51:47,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:51:47,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:51:47,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:51:47,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:51:47,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:51:47,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:51:47,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:51:47,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:53,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:51:53,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:51:53,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:51:53,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:53,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:53,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:51:53,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:51:53,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:51:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:51:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:51:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:51:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:51:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:51:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:51:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:51:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:51:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:51:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:51:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:51:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:51:53,671 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 09:51:53,865 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 09:51:53,866 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:51:53,866 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:51:53,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1590361993, now seen corresponding path program 9 times [2023-09-07 09:51:53,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:51:53,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009416688] [2023-09-07 09:51:53,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:51:53,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:51:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:51:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-09-07 09:51:57,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:51:57,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009416688] [2023-09-07 09:51:57,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009416688] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:51:57,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194864343] [2023-09-07 09:51:57,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 09:51:57,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:51:57,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:51:57,819 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 09:51:57,821 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 09:51:58,134 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-09-07 09:51:58,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:51:58,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 71 conjunts are in the unsatisfiable core [2023-09-07 09:51:58,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:52:00,145 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 09:52:00,145 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 77 treesize of output 65 [2023-09-07 09:52:00,617 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-09-07 09:52:00,617 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:52:02,347 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 09:52:02,347 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 54 [2023-09-07 09:52:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-09-07 09:52:02,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194864343] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:52:02,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:52:02,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 35, 30] total 111 [2023-09-07 09:52:02,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291014506] [2023-09-07 09:52:02,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:52:02,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2023-09-07 09:52:02,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:52:02,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2023-09-07 09:52:02,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=11771, Unknown=0, NotChecked=0, Total=12210 [2023-09-07 09:52:02,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:02,755 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:52:02,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 5.36936936936937) internal successors, (596), 111 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 09:52:02,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:02,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:52:02,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:52:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:16,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:16,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:52:16,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:52:16,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:16,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:16,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:52:16,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:52:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:52:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:52:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:52:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:52:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:52:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:52:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:52:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:52:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:52:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:52:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:52:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:52:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-09-07 09:52:16,319 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 09:52:16,513 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 09:52:16,513 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:52:16,513 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:52:16,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1074110279, now seen corresponding path program 10 times [2023-09-07 09:52:16,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:52:16,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589430339] [2023-09-07 09:52:16,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:52:16,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:52:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:52:16,907 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 45 proven. 77 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-09-07 09:52:16,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:52:16,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589430339] [2023-09-07 09:52:16,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589430339] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:52:16,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81891244] [2023-09-07 09:52:16,907 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-07 09:52:16,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:52:16,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:52:16,909 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 09:52:16,911 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 09:52:17,058 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-07 09:52:17,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:52:17,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 22 conjunts are in the unsatisfiable core [2023-09-07 09:52:17,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:52:17,684 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 70 proven. 52 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-09-07 09:52:17,684 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:52:18,318 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 70 proven. 52 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-09-07 09:52:18,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81891244] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:52:18,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:52:18,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 64 [2023-09-07 09:52:18,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808508226] [2023-09-07 09:52:18,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:52:18,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-09-07 09:52:18,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:52:18,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-09-07 09:52:18,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=3625, Unknown=0, NotChecked=0, Total=4032 [2023-09-07 09:52:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:18,322 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:52:18,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.625) internal successors, (488), 64 states have internal predecessors, (488), 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 09:52:18,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:18,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:52:18,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:52:18,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:18,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:18,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:52:18,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:52:18,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:52:18,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:52:18,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:18,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:52:18,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:52:18,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:52:18,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:52:18,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:52:18,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:52:18,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:52:18,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:52:18,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:52:18,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:52:18,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-09-07 09:52:18,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:19,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:52:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-09-07 09:52:19,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:52:19,593 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 09:52:19,786 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 09:52:19,786 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:52:19,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:52:19,787 INFO L85 PathProgramCache]: Analyzing trace with hash -988154831, now seen corresponding path program 11 times [2023-09-07 09:52:19,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:52:19,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611016053] [2023-09-07 09:52:19,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:52:19,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:52:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:52:21,707 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 31 proven. 160 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-09-07 09:52:21,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:52:21,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611016053] [2023-09-07 09:52:21,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611016053] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:52:21,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342522680] [2023-09-07 09:52:21,708 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-07 09:52:21,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:52:21,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:52:21,710 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 09:52:21,712 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 09:52:21,948 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-09-07 09:52:21,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:52:21,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 55 conjunts are in the unsatisfiable core [2023-09-07 09:52:21,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:52:22,577 INFO L322 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-09-07 09:52:22,578 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 20 [2023-09-07 09:52:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 31 proven. 78 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-09-07 09:52:22,605 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:52:23,003 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 09:52:23,004 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52 [2023-09-07 09:52:23,046 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 31 proven. 78 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-09-07 09:52:23,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342522680] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:52:23,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:52:23,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 23, 21] total 68 [2023-09-07 09:52:23,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155443791] [2023-09-07 09:52:23,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:52:23,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2023-09-07 09:52:23,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:52:23,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2023-09-07 09:52:23,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=4300, Unknown=0, NotChecked=0, Total=4556 [2023-09-07 09:52:23,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:23,049 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:52:23,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 6.705882352941177) internal successors, (456), 68 states have internal predecessors, (456), 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 09:52:23,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:23,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:52:23,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:52:23,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:23,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:23,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:52:23,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:52:23,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:52:23,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:52:23,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:23,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:52:23,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:52:23,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:52:23,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:52:23,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:52:23,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:52:23,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:52:23,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:52:23,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:52:23,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:52:23,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-09-07 09:52:23,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:52:23,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:27,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:27,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:52:27,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:52:27,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:27,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:27,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:52:27,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:52:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:52:27,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-09-07 09:52:27,267 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 09:52:27,267 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:52:27,267 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:52:27,267 INFO L85 PathProgramCache]: Analyzing trace with hash 522502965, now seen corresponding path program 2 times [2023-09-07 09:52:27,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:52:27,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249979489] [2023-09-07 09:52:27,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:52:27,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:52:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:52:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 60 proven. 140 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-09-07 09:52:28,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:52:28,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249979489] [2023-09-07 09:52:28,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249979489] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:52:28,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538326752] [2023-09-07 09:52:28,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 09:52:28,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:52:28,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:52:28,056 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 09:52:28,060 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 09:52:28,244 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 09:52:28,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:52:28,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 28 conjunts are in the unsatisfiable core [2023-09-07 09:52:28,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:52:29,204 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 82 proven. 72 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-07 09:52:29,205 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:52:30,111 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 115 proven. 39 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-07 09:52:30,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538326752] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:52:30,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:52:30,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 29, 29] total 79 [2023-09-07 09:52:30,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446247216] [2023-09-07 09:52:30,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:52:30,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2023-09-07 09:52:30,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:52:30,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2023-09-07 09:52:30,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=914, Invalid=5248, Unknown=0, NotChecked=0, Total=6162 [2023-09-07 09:52:30,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:30,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:52:30,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 7.3544303797468356) internal successors, (581), 79 states have internal predecessors, (581), 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 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:52:30,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:52:30,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:52:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:52:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:52:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:52:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:52:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:52:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:52:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:52:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:52:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:52:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:52:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:52:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:52:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:52:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:52:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:52:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-09-07 09:52:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:52:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 09:52:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-07 09:52:45,177 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 09:52:45,370 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 09:52:45,371 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:52:45,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:52:45,371 INFO L85 PathProgramCache]: Analyzing trace with hash -826637948, now seen corresponding path program 12 times [2023-09-07 09:52:45,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:52:45,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864652161] [2023-09-07 09:52:45,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:52:45,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:52:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:52:47,277 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-09-07 09:52:47,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:52:47,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864652161] [2023-09-07 09:52:47,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864652161] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:52:47,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99518672] [2023-09-07 09:52:47,277 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-07 09:52:47,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:52:47,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:52:47,278 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:52:47,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-09-07 09:52:47,593 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-09-07 09:52:47,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:52:47,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 59 conjunts are in the unsatisfiable core [2023-09-07 09:52:47,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:52:48,428 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-09-07 09:52:48,428 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2023-09-07 09:52:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-09-07 09:52:48,449 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:52:48,839 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 09:52:48,839 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52 [2023-09-07 09:52:49,045 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 1 proven. 108 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-09-07 09:52:49,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99518672] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:52:49,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:52:49,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 31, 21] total 65 [2023-09-07 09:52:49,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246304752] [2023-09-07 09:52:49,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:52:49,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-09-07 09:52:49,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:52:49,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-09-07 09:52:49,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=3899, Unknown=0, NotChecked=0, Total=4160 [2023-09-07 09:52:49,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:49,048 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:52:49,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 6.815384615384615) internal successors, (443), 65 states have internal predecessors, (443), 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 09:52:49,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:49,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:52:49,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:52:49,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:49,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:49,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:52:49,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:52:49,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:52:49,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-07 09:52:49,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-09-07 09:52:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:52:53,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 09:52:53,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-09-07 09:52:53,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 09:52:53,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-09-07 09:52:53,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:52:53,488 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:52:53,489 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:52:53,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1641070156, now seen corresponding path program 13 times [2023-09-07 09:52:53,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:52:53,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702489399] [2023-09-07 09:52:53,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:52:53,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:52:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:52:58,464 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 42 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 09:52:58,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:52:58,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702489399] [2023-09-07 09:52:58,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702489399] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:52:58,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871511905] [2023-09-07 09:52:58,465 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-07 09:52:58,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:52:58,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:52:58,466 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:52:58,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-09-07 09:52:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:52:58,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 111 conjunts are in the unsatisfiable core [2023-09-07 09:52:58,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:53:01,079 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 09:53:01,079 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 87 treesize of output 69 [2023-09-07 09:53:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-09-07 09:53:01,684 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:53:03,975 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 09:53:03,976 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 54 [2023-09-07 09:53:04,043 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-09-07 09:53:04,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871511905] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:53:04,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:53:04,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 42, 34] total 131 [2023-09-07 09:53:04,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707003941] [2023-09-07 09:53:04,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:53:04,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2023-09-07 09:53:04,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:53:04,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2023-09-07 09:53:04,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=16555, Unknown=0, NotChecked=0, Total=17030 [2023-09-07 09:53:04,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:04,046 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:53:04,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 4.9541984732824424) internal successors, (649), 131 states have internal predecessors, (649), 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 09:53:04,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 09:53:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-09-07 09:53:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 09:53:22,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-09-07 09:53:22,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-09-07 09:53:22,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-09-07 09:53:22,378 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:53:22,379 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:53:22,379 INFO L85 PathProgramCache]: Analyzing trace with hash -144809340, now seen corresponding path program 14 times [2023-09-07 09:53:22,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:53:22,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331754983] [2023-09-07 09:53:22,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:53:22,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:53:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:53:22,869 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 77 proven. 118 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-09-07 09:53:22,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:53:22,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331754983] [2023-09-07 09:53:22,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331754983] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:53:22,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311174122] [2023-09-07 09:53:22,871 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 09:53:22,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:53:22,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:53:22,872 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:53:22,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-09-07 09:53:23,031 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 09:53:23,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:53:23,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 26 conjunts are in the unsatisfiable core [2023-09-07 09:53:23,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:53:23,729 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 110 proven. 85 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-09-07 09:53:23,729 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:53:24,403 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 110 proven. 85 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-09-07 09:53:24,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311174122] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:53:24,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:53:24,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2023-09-07 09:53:24,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990771078] [2023-09-07 09:53:24,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:53:24,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-09-07 09:53:24,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:53:24,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-09-07 09:53:24,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=3402, Unknown=0, NotChecked=0, Total=4032 [2023-09-07 09:53:24,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:24,406 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:53:24,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 6.34375) internal successors, (406), 64 states have internal predecessors, (406), 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 09:53:24,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:24,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:53:24,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:53:24,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:24,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:24,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:53:24,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:53:24,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:53:24,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:53:24,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:24,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:53:24,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:53:24,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:53:24,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:53:24,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:53:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:53:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:53:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:53:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:53:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:53:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-09-07 09:53:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:53:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 09:53:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-09-07 09:53:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 09:53:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-09-07 09:53:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:25,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:53:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:53:25,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:53:25,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:53:25,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:53:25,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-09-07 09:53:25,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:53:25,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 09:53:25,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-09-07 09:53:25,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 09:53:25,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-09-07 09:53:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-07 09:53:25,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-09-07 09:53:25,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-09-07 09:53:25,226 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:53:25,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:53:25,226 INFO L85 PathProgramCache]: Analyzing trace with hash -762097106, now seen corresponding path program 15 times [2023-09-07 09:53:25,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:53:25,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144963221] [2023-09-07 09:53:25,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:53:25,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:53:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:53:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 77 proven. 118 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-09-07 09:53:25,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:53:25,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144963221] [2023-09-07 09:53:25,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144963221] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:53:25,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512575098] [2023-09-07 09:53:25,710 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 09:53:25,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:53:25,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:53:25,713 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:53:25,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-09-07 09:53:26,140 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-09-07 09:53:26,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:53:26,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 26 conjunts are in the unsatisfiable core [2023-09-07 09:53:26,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:53:26,818 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 110 proven. 85 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-09-07 09:53:26,818 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:53:27,405 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 110 proven. 85 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-09-07 09:53:27,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512575098] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:53:27,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:53:27,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2023-09-07 09:53:27,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013815536] [2023-09-07 09:53:27,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:53:27,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-09-07 09:53:27,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:53:27,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-09-07 09:53:27,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=3402, Unknown=0, NotChecked=0, Total=4032 [2023-09-07 09:53:27,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:27,408 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:53:27,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 6.34375) internal successors, (406), 64 states have internal predecessors, (406), 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 09:53:27,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:27,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:53:27,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:53:27,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:27,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:27,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:53:27,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:53:27,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:53:27,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:53:27,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-09-07 09:53:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:53:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:53:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:53:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:53:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:53:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:53:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:53:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-07 09:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:53:28,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-09-07 09:53:28,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-09-07 09:53:28,238 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:53:28,238 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:53:28,238 INFO L85 PathProgramCache]: Analyzing trace with hash -107512836, now seen corresponding path program 16 times [2023-09-07 09:53:28,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:53:28,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767875194] [2023-09-07 09:53:28,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:53:28,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:53:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:53:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 40 proven. 263 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-09-07 09:53:30,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:53:30,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767875194] [2023-09-07 09:53:30,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767875194] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:53:30,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302802235] [2023-09-07 09:53:30,267 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-07 09:53:30,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:53:30,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:53:30,270 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:53:30,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-09-07 09:53:30,425 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-07 09:53:30,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:53:30,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 95 conjunts are in the unsatisfiable core [2023-09-07 09:53:30,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:53:31,479 INFO L322 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-09-07 09:53:31,479 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 20 [2023-09-07 09:53:31,511 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 40 proven. 368 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-09-07 09:53:31,511 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:53:32,085 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 09:53:32,086 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52 [2023-09-07 09:53:32,138 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 40 proven. 140 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2023-09-07 09:53:32,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302802235] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:53:32,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:53:32,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 33, 25] total 88 [2023-09-07 09:53:32,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536936375] [2023-09-07 09:53:32,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:53:32,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2023-09-07 09:53:32,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:53:32,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2023-09-07 09:53:32,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=7332, Unknown=0, NotChecked=0, Total=7656 [2023-09-07 09:53:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:32,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:53:32,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 6.318181818181818) internal successors, (556), 88 states have internal predecessors, (556), 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 09:53:32,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:32,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:53:32,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:53:32,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:32,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 09:53:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-09-07 09:53:32,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-09-07 09:53:32,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:53:32,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-09-07 09:53:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 09:53:54,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2023-09-07 09:53:54,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-07 09:53:54,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:53:54,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 09:53:54,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-09-07 09:53:55,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:53:55,171 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:53:55,172 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:53:55,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1796553737, now seen corresponding path program 17 times [2023-09-07 09:53:55,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:53:55,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26279946] [2023-09-07 09:53:55,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:53:55,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:53:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:53:57,243 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 303 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-09-07 09:53:57,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:53:57,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26279946] [2023-09-07 09:53:57,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26279946] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:53:57,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730249900] [2023-09-07 09:53:57,243 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-07 09:53:57,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:53:57,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:53:57,244 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:53:57,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-09-07 09:53:57,565 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-09-07 09:53:57,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:53:57,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 79 conjunts are in the unsatisfiable core [2023-09-07 09:53:57,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:53:58,828 INFO L322 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-09-07 09:53:58,829 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 10 [2023-09-07 09:53:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 294 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-09-07 09:53:58,855 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:53:59,419 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 09:53:59,419 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52 [2023-09-07 09:53:59,751 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 1 proven. 179 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2023-09-07 09:53:59,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730249900] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:53:59,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:53:59,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 38, 25] total 100 [2023-09-07 09:53:59,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854549] [2023-09-07 09:53:59,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:53:59,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2023-09-07 09:53:59,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:53:59,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2023-09-07 09:53:59,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=432, Invalid=9468, Unknown=0, NotChecked=0, Total=9900 [2023-09-07 09:53:59,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:59,755 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:53:59,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 6.31) internal successors, (631), 100 states have internal predecessors, (631), 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 09:53:59,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:53:59,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:53:59,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:53:59,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:53:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 09:53:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-09-07 09:53:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 09:53:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2023-09-07 09:53:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-09-07 09:53:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:53:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 09:53:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:54:06,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:54:06,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:54:06,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:54:06,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:54:06,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:54:06,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:54:06,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:54:06,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 09:54:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-09-07 09:54:06,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 09:54:06,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2023-09-07 09:54:06,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-07 09:54:06,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:54:06,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 09:54:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-09-07 09:54:07,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-09-07 09:54:07,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:54:07,203 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 09:54:07,204 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 09:54:07,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1359939943, now seen corresponding path program 18 times [2023-09-07 09:54:07,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 09:54:07,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093003502] [2023-09-07 09:54:07,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 09:54:07,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 09:54:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 09:54:12,516 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 71 proven. 401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 09:54:12,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 09:54:12,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093003502] [2023-09-07 09:54:12,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093003502] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 09:54:12,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97442577] [2023-09-07 09:54:12,516 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-07 09:54:12,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 09:54:12,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 09:54:12,518 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 09:54:12,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-09-07 09:54:12,957 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-09-07 09:54:12,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 09:54:12,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 128 conjunts are in the unsatisfiable core [2023-09-07 09:54:12,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 09:54:16,350 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 09:54:16,911 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 09:54:17,017 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 09:54:21,643 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 09:54:21,643 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 69 treesize of output 57 [2023-09-07 09:54:22,317 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 161 proven. 311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 09:54:22,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 09:54:48,115 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 09:54:48,115 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 117 treesize of output 81 [2023-09-07 09:54:48,169 INFO L322 Elim1Store]: treesize reduction 30, result has 63.9 percent of original size [2023-09-07 09:54:48,170 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1835 treesize of output 1615 [2023-09-07 09:54:48,225 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 09:54:48,227 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 09:54:48,252 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 09:54:48,253 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 707 treesize of output 549 [2023-09-07 09:54:48,283 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 09:54:48,284 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 09:54:48,309 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 09:54:48,310 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 499 treesize of output 445 [2023-09-07 09:54:50,897 INFO L322 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-09-07 09:54:50,898 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 225 treesize of output 1 [2023-09-07 09:54:53,136 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 137 proven. 209 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-09-07 09:54:53,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97442577] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 09:54:53,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 09:54:53,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 88, 65] total 223 [2023-09-07 09:54:53,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815652682] [2023-09-07 09:54:53,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 09:54:53,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2023-09-07 09:54:53,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 09:54:53,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2023-09-07 09:54:53,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2026, Invalid=47352, Unknown=128, NotChecked=0, Total=49506 [2023-09-07 09:54:53,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:54:53,143 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 09:54:53,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 223 states, 223 states have (on average 4.013452914798206) internal successors, (895), 223 states have internal predecessors, (895), 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 09:54:53,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:54:53,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 09:54:53,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 09:54:53,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2023-09-07 09:54:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 09:54:54,943 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse134 (* c_thread1Thread1of1ForFork0_~i~0 4))) (let ((.cse108 (+ c_~get1~0.offset .cse134)) (.cse137 (select |c_#memory_int| c_~get1~0.base)) (.cse6 (select |c_#memory_int| c_~get2~0.base))) (let ((.cse0 (+ c_thread1Thread1of1ForFork0_~i~0 1)) (.cse16 (+ |c_thread1Thread1of1ForFork0_#t~mem4| 1)) (.cse14 (forall ((v_thread2Thread1of1ForFork1_~i~1_137 Int)) (or (< v_thread2Thread1of1ForFork1_~i~1_137 4) (let ((.cse139 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse137 (+ .cse139 c_~get1~0.offset 4)) (+ (select .cse6 (+ c_~get2~0.offset .cse139 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137))))) (.cse46 (select .cse137 .cse108)) (.cse35 (forall ((v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse138 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse135 (select .cse6 (+ c_~get2~0.offset .cse138 4))) (.cse136 (select .cse137 (+ .cse138 c_~get1~0.offset 4)))) (or (< .cse135 .cse136) (= .cse135 .cse136) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137))))))) (.cse17 (< c_~n2~0 7)) (.cse18 (< c_~n1~0 6)) (.cse105 (+ |c_thread1Thread1of1ForFork0_#t~post1| 1)) (.cse15 (select .cse6 (+ c_~get2~0.offset .cse134)))) (and (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse7 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse8 (select |c_#memory_int| ~get1~0.base)) (.cse9 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse1 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse5 (select .cse6 (+ c_~get2~0.offset .cse9 4))) (.cse4 (select .cse8 (+ .cse9 c_~get1~0.offset 4))) (.cse2 (select .cse8 (+ .cse7 c_~get1~0.offset))) (.cse3 (select .cse6 (+ c_~get2~0.offset .cse7)))) (or (< v_thread1Thread1of1ForFork0_~i~0_131 .cse0) (< c_~n2~0 .cse1) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse2 .cse3) (= .cse4 .cse5) (< c_~n1~0 .cse1) (< .cse5 .cse4) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (= .cse2 .cse3))))) (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse12 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse11 (select |c_#memory_int| ~get1~0.base))) (or (let ((.cse10 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse6 (+ c_~get2~0.offset .cse10)) (+ (select .cse11 (+ .cse10 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse12) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse12) (let ((.cse13 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse11 (+ .cse13 c_~get1~0.offset 4)) (+ (select .cse6 (+ c_~get2~0.offset .cse13 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))) (or .cse14 (< .cse15 .cse16)) (or (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post24#1| 6) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse17 .cse18) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse25 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse26 (select .cse28 ~get1~0.base)) (.cse24 (select .cse28 c_~get2~0.base)) (.cse27 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse20 (select .cse24 (+ c_~get2~0.offset .cse27 4))) (.cse21 (select .cse26 (+ .cse27 c_~get1~0.offset 4))) (.cse19 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse22 (select .cse26 (+ .cse25 c_~get1~0.offset))) (.cse23 (select .cse24 (+ c_~get2~0.offset .cse25)))) (or (< c_~n2~0 .cse19) (= .cse20 .cse21) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse20 .cse21) (< .cse22 .cse23) (< c_~n1~0 .cse19) (= .cse22 .cse23) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse34 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse29 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse32 (select .cse34 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse30 (select .cse34 ~get1~0.base))) (or (< c_~n2~0 .cse29) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse29) (let ((.cse31 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse30 (+ .cse31 c_~get1~0.offset 4)) (+ (select .cse32 (+ .cse31 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) 1))) (let ((.cse33 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse32 (+ .cse33 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (+ (select .cse30 (+ .cse33 c_~get1~0.offset)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (or .cse35 (< c_~res1~0 0)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse45 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse42 (* v_thread2Thread1of1ForFork1_~i~1_137 4)) (.cse41 (select .cse45 ~get1~0.base)) (.cse43 (select .cse45 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse44 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse36 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse40 (select .cse43 (+ .cse44 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse39 (select .cse41 (+ .cse44 c_~get1~0.offset))) (.cse37 (select .cse43 (+ .cse42 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse38 (select .cse41 (+ .cse42 c_~get1~0.offset 4)))) (or (< c_~n2~0 .cse36) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse37 .cse38) (< .cse39 .cse40) (< c_~n1~0 .cse36) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (= .cse40 .cse39) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (= .cse37 .cse38)))))) (or (< (+ 6 |c_ULTIMATE.start_create_fresh_int_array_~i~2#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse17 .cse18) (or (< .cse15 (+ .cse46 1)) .cse14) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse52 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse49 (select .cse52 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse47 (select .cse52 ~get1~0.base)) (.cse50 (+ v_thread1Thread1of1ForFork0_~i~0_131 1))) (or (let ((.cse48 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse47 (+ .cse48 c_~get1~0.offset 4)) (+ (select .cse49 (+ .cse48 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 1))) (< c_~n2~0 .cse50) (let ((.cse51 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse49 (+ .cse51 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (+ (select .cse47 (+ .cse51 c_~get1~0.offset)) 1))) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse50) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse62 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse59 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse58 (select .cse62 |c_ULTIMATE.start_main_#t~ret16#1.base|)) (.cse60 (select .cse62 ~get1~0.base)) (.cse61 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse54 (select .cse60 (+ .cse61 c_~get1~0.offset 4))) (.cse53 (select .cse58 (+ .cse61 |c_ULTIMATE.start_main_#t~ret16#1.offset| 4))) (.cse55 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse57 (select .cse60 (+ .cse59 c_~get1~0.offset))) (.cse56 (select .cse58 (+ .cse59 |c_ULTIMATE.start_main_#t~ret16#1.offset|)))) (or (< .cse53 .cse54) (= .cse54 .cse53) (< c_~n2~0 .cse55) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse56 .cse57) (< c_~n1~0 .cse55) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (< .cse57 .cse56)))))) (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse65 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse64 (select |c_#memory_int| ~get1~0.base))) (or (< v_thread1Thread1of1ForFork0_~i~0_131 .cse0) (let ((.cse63 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse6 (+ c_~get2~0.offset .cse63)) (+ (select .cse64 (+ .cse63 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse65) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse65) (let ((.cse66 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse64 (+ .cse66 c_~get1~0.offset 4)) (+ (select .cse6 (+ c_~get2~0.offset .cse66 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse76 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse73 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse72 (select .cse76 ~get1~0.base)) (.cse74 (select .cse76 c_~get2~0.base)) (.cse75 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse69 (select .cse74 (+ c_~get2~0.offset .cse75 4))) (.cse68 (select .cse72 (+ .cse75 c_~get1~0.offset 4))) (.cse67 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse71 (select .cse74 (+ c_~get2~0.offset .cse73))) (.cse70 (select .cse72 (+ .cse73 c_~get1~0.offset)))) (or (< c_~n2~0 .cse67) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse68 .cse69) (< .cse69 .cse68) (< c_~n1~0 .cse67) (< .cse70 .cse71) (= .cse71 .cse70) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse82 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse77 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse80 (select .cse82 c_~get2~0.base)) (.cse78 (select .cse82 ~get1~0.base))) (or (< c_~n2~0 .cse77) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (let ((.cse79 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse78 (+ .cse79 c_~get1~0.offset 4)) (+ (select .cse80 (+ c_~get2~0.offset .cse79 4)) 1))) (< c_~n1~0 .cse77) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (let ((.cse81 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse80 (+ c_~get2~0.offset .cse81)) (+ (select .cse78 (+ .cse81 c_~get1~0.offset)) 1))))))) (or (< 6 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse17 .cse18) (or .cse35 (< |c_thread1Thread1of1ForFork0_#t~mem4| .cse15)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse92 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse89 (* v_thread2Thread1of1ForFork1_~i~1_137 4)) (.cse90 (select .cse92 ~get1~0.base)) (.cse88 (select .cse92 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse91 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse86 (select .cse88 (+ .cse91 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (.cse85 (select .cse90 (+ .cse91 c_~get1~0.offset))) (.cse87 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse84 (select .cse90 (+ .cse89 c_~get1~0.offset 4))) (.cse83 (select .cse88 (+ .cse89 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)))) (or (< .cse83 .cse84) (< .cse85 .cse86) (< c_~n2~0 .cse87) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse86 .cse85) (< c_~n1~0 .cse87) (= .cse84 .cse83) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (or (< 0 c_~res1~0) .cse14) (or (< |c_thread1Thread1of1ForFork0_#t~mem5| .cse16) .cse14) (or (< .cse46 .cse15) .cse35) (or .cse35 (< |c_thread1Thread1of1ForFork0_#t~mem4| |c_thread1Thread1of1ForFork0_#t~mem5|)) (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse98 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse99 (select |c_#memory_int| ~get1~0.base)) (.cse100 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse93 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse97 (select .cse6 (+ c_~get2~0.offset .cse100 4))) (.cse96 (select .cse99 (+ .cse100 c_~get1~0.offset 4))) (.cse94 (select .cse99 (+ .cse98 c_~get1~0.offset))) (.cse95 (select .cse6 (+ c_~get2~0.offset .cse98)))) (or (< c_~n2~0 .cse93) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse94 .cse95) (= .cse96 .cse97) (< c_~n1~0 .cse93) (< .cse97 .cse96) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (= .cse94 .cse95))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_131 Int)) (let ((.cse104 (+ v_thread1Thread1of1ForFork0_~i~0_131 1))) (or (forall ((~get1~0.base Int)) (let ((.cse102 (select |c_#memory_int| ~get1~0.base))) (or (let ((.cse101 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse6 (+ c_~get2~0.offset .cse101)) (+ (select .cse102 (+ .cse101 c_~get1~0.offset)) 1))) (forall ((v_thread2Thread1of1ForFork1_~i~1_137 Int)) (or (< v_thread2Thread1of1ForFork1_~i~1_137 4) (let ((.cse103 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse102 (+ .cse103 c_~get1~0.offset 4)) (+ (select .cse6 (+ c_~get2~0.offset .cse103 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137))))))) (< c_~n2~0 .cse104) (< c_~n1~0 .cse104) (< v_thread1Thread1of1ForFork0_~i~0_131 .cse105)))) (forall ((~get1~0.base Int)) (let ((.cse106 (select |c_#memory_int| ~get1~0.base))) (or (forall ((v_thread2Thread1of1ForFork1_~i~1_137 Int)) (or (< v_thread2Thread1of1ForFork1_~i~1_137 4) (let ((.cse107 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse106 (+ .cse107 c_~get1~0.offset 4)) (+ (select .cse6 (+ c_~get2~0.offset .cse107 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)))) (< .cse15 (+ (select .cse106 .cse108) 1))))) (or .cse17 .cse18 (< 6 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse114 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse112 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse111 (select .cse114 ~get1~0.base)) (.cse109 (select .cse114 |c_ULTIMATE.start_main_#t~ret16#1.base|))) (or (let ((.cse110 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse109 (+ .cse110 |c_ULTIMATE.start_main_#t~ret16#1.offset|)) (+ (select .cse111 (+ .cse110 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse112) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse112) (let ((.cse113 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse111 (+ .cse113 c_~get1~0.offset 4)) (+ (select .cse109 (+ .cse113 |c_ULTIMATE.start_main_#t~ret16#1.offset| 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_131 Int)) (let ((.cse115 (+ v_thread1Thread1of1ForFork0_~i~0_131 1))) (or (< c_~n2~0 .cse115) (< c_~n1~0 .cse115) (forall ((~get1~0.base Int)) (let ((.cse118 (select |c_#memory_int| ~get1~0.base)) (.cse122 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse120 (select .cse118 (+ .cse122 c_~get1~0.offset))) (.cse121 (select .cse6 (+ c_~get2~0.offset .cse122)))) (or (forall ((v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse119 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse117 (select .cse6 (+ c_~get2~0.offset .cse119 4))) (.cse116 (select .cse118 (+ .cse119 c_~get1~0.offset 4)))) (or (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse116 .cse117) (< .cse117 .cse116) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)))))) (< .cse120 .cse121) (= .cse120 .cse121))))) (< v_thread1Thread1of1ForFork0_~i~0_131 .cse105)))) (forall ((~get1~0.base Int)) (let ((.cse126 (select |c_#memory_int| ~get1~0.base))) (let ((.cse123 (select .cse126 .cse108))) (or (= .cse123 .cse15) (forall ((v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse127 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse125 (select .cse6 (+ c_~get2~0.offset .cse127 4))) (.cse124 (select .cse126 (+ .cse127 c_~get1~0.offset 4)))) (or (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse124 .cse125) (< .cse125 .cse124) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)))))) (< .cse123 .cse15))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse133 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse131 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse130 (select .cse133 c_~get2~0.base)) (.cse128 (select .cse133 ~get1~0.base))) (or (let ((.cse129 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse128 (+ .cse129 c_~get1~0.offset 4)) (+ (select .cse130 (+ c_~get2~0.offset .cse129 4)) 1))) (< c_~n2~0 .cse131) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse131) (let ((.cse132 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse130 (+ c_~get2~0.offset .cse132)) (+ (select .cse128 (+ .cse132 c_~get1~0.offset)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))))))) is different from false [2023-09-07 09:55:06,067 WARN L234 SmtUtils]: Spent 9.08s on a formula simplification. DAG size of input: 178 DAG size of output: 175 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:55:13,129 WARN L234 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 178 DAG size of output: 175 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:55:21,793 WARN L234 SmtUtils]: Spent 7.25s on a formula simplification. DAG size of input: 178 DAG size of output: 175 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:55:31,694 WARN L234 SmtUtils]: Spent 8.38s on a formula simplification. DAG size of input: 179 DAG size of output: 176 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:55:40,405 WARN L234 SmtUtils]: Spent 7.02s on a formula simplification. DAG size of input: 178 DAG size of output: 175 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:55:52,285 WARN L234 SmtUtils]: Spent 10.43s on a formula simplification. DAG size of input: 178 DAG size of output: 175 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:56:05,619 WARN L234 SmtUtils]: Spent 6.59s on a formula simplification. DAG size of input: 188 DAG size of output: 184 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:56:06,437 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~get2~0.base)) (.cse33 (+ |c_#StackHeapBarrier| 1)) (.cse5 (< c_~n2~0 7)) (.cse6 (< c_~n1~0 6))) (and (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse3 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse2 (select |c_#memory_int| ~get1~0.base))) (or (let ((.cse1 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse0 (+ c_~get2~0.offset .cse1)) (+ (select .cse2 (+ .cse1 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse3) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse3) (let ((.cse4 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse2 (+ .cse4 c_~get1~0.offset 4)) (+ (select .cse0 (+ c_~get2~0.offset .cse4 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))) (or (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post24#1| 6) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (not (= |c_ULTIMATE.start_main_~#t1~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse13 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse14 (select .cse16 ~get1~0.base)) (.cse12 (select .cse16 c_~get2~0.base)) (.cse15 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse8 (select .cse12 (+ c_~get2~0.offset .cse15 4))) (.cse9 (select .cse14 (+ .cse15 c_~get1~0.offset 4))) (.cse7 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse10 (select .cse14 (+ .cse13 c_~get1~0.offset))) (.cse11 (select .cse12 (+ c_~get2~0.offset .cse13)))) (or (< c_~n2~0 .cse7) (= .cse8 .cse9) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse8 .cse9) (< .cse10 .cse11) (< c_~n1~0 .cse7) (= .cse10 .cse11) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse22 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse17 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse20 (select .cse22 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse18 (select .cse22 ~get1~0.base))) (or (< c_~n2~0 .cse17) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse17) (let ((.cse19 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse18 (+ .cse19 c_~get1~0.offset 4)) (+ (select .cse20 (+ .cse19 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) 1))) (let ((.cse21 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse20 (+ .cse21 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (+ (select .cse18 (+ .cse21 c_~get1~0.offset)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (not (= c_~get1~0.base |c_ULTIMATE.start_main_~#t1~0#1.base|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse32 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse29 (* v_thread2Thread1of1ForFork1_~i~1_137 4)) (.cse28 (select .cse32 ~get1~0.base)) (.cse30 (select .cse32 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse31 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse23 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse27 (select .cse30 (+ .cse31 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse26 (select .cse28 (+ .cse31 c_~get1~0.offset))) (.cse24 (select .cse30 (+ .cse29 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse25 (select .cse28 (+ .cse29 c_~get1~0.offset 4)))) (or (< c_~n2~0 .cse23) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse24 .cse25) (< .cse26 .cse27) (< c_~n1~0 .cse23) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (= .cse27 .cse26) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (= .cse24 .cse25)))))) (or (< (+ 6 |c_ULTIMATE.start_create_fresh_int_array_~i~2#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (<= .cse33 |c_ULTIMATE.start_main_~#t1~0#1.base|) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse39 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse36 (select .cse39 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse34 (select .cse39 ~get1~0.base)) (.cse37 (+ v_thread1Thread1of1ForFork0_~i~0_131 1))) (or (let ((.cse35 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse34 (+ .cse35 c_~get1~0.offset 4)) (+ (select .cse36 (+ .cse35 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 1))) (< c_~n2~0 .cse37) (let ((.cse38 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse36 (+ .cse38 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (+ (select .cse34 (+ .cse38 c_~get1~0.offset)) 1))) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse37) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse49 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse46 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse45 (select .cse49 |c_ULTIMATE.start_main_#t~ret16#1.base|)) (.cse47 (select .cse49 ~get1~0.base)) (.cse48 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse41 (select .cse47 (+ .cse48 c_~get1~0.offset 4))) (.cse40 (select .cse45 (+ .cse48 |c_ULTIMATE.start_main_#t~ret16#1.offset| 4))) (.cse42 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse44 (select .cse47 (+ .cse46 c_~get1~0.offset))) (.cse43 (select .cse45 (+ .cse46 |c_ULTIMATE.start_main_#t~ret16#1.offset|)))) (or (< .cse40 .cse41) (= .cse41 .cse40) (< c_~n2~0 .cse42) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse43 .cse44) (< c_~n1~0 .cse42) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (< .cse44 .cse43)))))) (= (select |c_#valid| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) 1) (= (select |c_#valid| c_~get1~0.base) 1) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse59 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse56 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse55 (select .cse59 ~get1~0.base)) (.cse57 (select .cse59 c_~get2~0.base)) (.cse58 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse52 (select .cse57 (+ c_~get2~0.offset .cse58 4))) (.cse51 (select .cse55 (+ .cse58 c_~get1~0.offset 4))) (.cse50 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse54 (select .cse57 (+ c_~get2~0.offset .cse56))) (.cse53 (select .cse55 (+ .cse56 c_~get1~0.offset)))) (or (< c_~n2~0 .cse50) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse51 .cse52) (< .cse52 .cse51) (< c_~n1~0 .cse50) (< .cse53 .cse54) (= .cse54 .cse53) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse65 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse60 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse63 (select .cse65 c_~get2~0.base)) (.cse61 (select .cse65 ~get1~0.base))) (or (< c_~n2~0 .cse60) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (let ((.cse62 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse61 (+ .cse62 c_~get1~0.offset 4)) (+ (select .cse63 (+ c_~get2~0.offset .cse62 4)) 1))) (< c_~n1~0 .cse60) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (let ((.cse64 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse63 (+ c_~get2~0.offset .cse64)) (+ (select .cse61 (+ .cse64 c_~get1~0.offset)) 1))))))) (or (< 6 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse75 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse72 (* v_thread2Thread1of1ForFork1_~i~1_137 4)) (.cse73 (select .cse75 ~get1~0.base)) (.cse71 (select .cse75 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse74 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse69 (select .cse71 (+ .cse74 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (.cse68 (select .cse73 (+ .cse74 c_~get1~0.offset))) (.cse70 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse67 (select .cse73 (+ .cse72 c_~get1~0.offset 4))) (.cse66 (select .cse71 (+ .cse72 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)))) (or (< .cse66 .cse67) (< .cse68 .cse69) (< c_~n2~0 .cse70) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse69 .cse68) (< c_~n1~0 .cse70) (= .cse67 .cse66) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (= |c_ULTIMATE.start_create_fresh_int_array_~i~2#1| 1) (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse81 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse82 (select |c_#memory_int| ~get1~0.base)) (.cse83 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse76 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse80 (select .cse0 (+ c_~get2~0.offset .cse83 4))) (.cse79 (select .cse82 (+ .cse83 c_~get1~0.offset 4))) (.cse77 (select .cse82 (+ .cse81 c_~get1~0.offset))) (.cse78 (select .cse0 (+ c_~get2~0.offset .cse81)))) (or (< c_~n2~0 .cse76) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse77 .cse78) (= .cse79 .cse80) (< c_~n1~0 .cse76) (< .cse80 .cse79) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (= .cse77 .cse78))))) (= c_~get1~0.offset 0) (= 0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (<= .cse33 |c_ULTIMATE.start_main_~#t2~0#1.base|) (not (= c_~get1~0.base |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (or .cse5 .cse6 (< 6 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse89 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse87 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse86 (select .cse89 ~get1~0.base)) (.cse84 (select .cse89 |c_ULTIMATE.start_main_#t~ret16#1.base|))) (or (let ((.cse85 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse84 (+ .cse85 |c_ULTIMATE.start_main_#t~ret16#1.offset|)) (+ (select .cse86 (+ .cse85 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse87) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse87) (let ((.cse88 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse86 (+ .cse88 c_~get1~0.offset 4)) (+ (select .cse84 (+ .cse88 |c_ULTIMATE.start_main_#t~ret16#1.offset| 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (not (= c_~get1~0.base |c_ULTIMATE.start_main_~#t2~0#1.base|)) (not (= |c_ULTIMATE.start_main_~#t2~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse95 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse93 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse92 (select .cse95 c_~get2~0.base)) (.cse90 (select .cse95 ~get1~0.base))) (or (let ((.cse91 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse90 (+ .cse91 c_~get1~0.offset 4)) (+ (select .cse92 (+ c_~get2~0.offset .cse91 4)) 1))) (< c_~n2~0 .cse93) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse93) (let ((.cse94 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse92 (+ c_~get2~0.offset .cse94)) (+ (select .cse90 (+ .cse94 c_~get1~0.offset)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))))) is different from false [2023-09-07 09:56:16,108 WARN L234 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 183 DAG size of output: 181 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:56:28,728 WARN L234 SmtUtils]: Spent 9.00s on a formula simplification. DAG size of input: 184 DAG size of output: 182 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:56:37,083 WARN L234 SmtUtils]: Spent 5.44s on a formula simplification. DAG size of input: 183 DAG size of output: 181 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:56:53,334 WARN L234 SmtUtils]: Spent 13.51s on a formula simplification. DAG size of input: 183 DAG size of output: 181 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:56:55,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 09:57:25,425 WARN L234 SmtUtils]: Spent 23.09s on a formula simplification. DAG size of input: 219 DAG size of output: 214 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:57:42,120 WARN L234 SmtUtils]: Spent 12.70s on a formula simplification. DAG size of input: 219 DAG size of output: 216 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:57:59,244 WARN L234 SmtUtils]: Spent 12.18s on a formula simplification. DAG size of input: 219 DAG size of output: 216 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:58:17,554 WARN L234 SmtUtils]: Spent 15.15s on a formula simplification. DAG size of input: 220 DAG size of output: 215 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:58:39,971 WARN L234 SmtUtils]: Spent 19.32s on a formula simplification. DAG size of input: 219 DAG size of output: 213 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:59:09,174 WARN L234 SmtUtils]: Spent 26.02s on a formula simplification. DAG size of input: 219 DAG size of output: 214 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 09:59:09,609 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-09-07 09:59:09,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2023-09-07 09:59:09,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-09-07 09:59:09,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2023-09-07 09:59:09,813 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:900) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:774) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:362) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:154) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.(NestedIterator.java:62) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIteratorNoopConstruction.(NestedIteratorNoopConstruction.java:48) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$1(INwaOutgoingLetterAndTransitionProvider.java:124) at java.base/java.lang.Iterable.spliterator(Iterable.java:101) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:235) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:364) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 52 more [2023-09-07 09:59:09,817 INFO L158 Benchmark]: Toolchain (without parser) took 540870.21ms. Allocated memory was 156.2MB in the beginning and 828.4MB in the end (delta: 672.1MB). Free memory was 116.2MB in the beginning and 370.6MB in the end (delta: -254.3MB). Peak memory consumption was 419.1MB. Max. memory is 7.0GB. [2023-09-07 09:59:09,817 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 156.2MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 09:59:09,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.56ms. Allocated memory is still 156.2MB. Free memory was 116.2MB in the beginning and 103.9MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. [2023-09-07 09:59:09,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.48ms. Allocated memory is still 156.2MB. Free memory was 103.9MB in the beginning and 101.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 09:59:09,817 INFO L158 Benchmark]: Boogie Preprocessor took 37.07ms. Allocated memory is still 156.2MB. Free memory was 101.9MB in the beginning and 100.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 09:59:09,818 INFO L158 Benchmark]: RCFGBuilder took 499.84ms. Allocated memory is still 156.2MB. Free memory was 100.1MB in the beginning and 80.9MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 7.0GB. [2023-09-07 09:59:09,818 INFO L158 Benchmark]: TraceAbstraction took 539978.65ms. Allocated memory was 156.2MB in the beginning and 828.4MB in the end (delta: 672.1MB). Free memory was 80.2MB in the beginning and 370.6MB in the end (delta: -290.4MB). Peak memory consumption was 382.4MB. Max. memory is 7.0GB. [2023-09-07 09:59:09,819 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 156.2MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 304.56ms. Allocated memory is still 156.2MB. Free memory was 116.2MB in the beginning and 103.9MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 43.48ms. Allocated memory is still 156.2MB. Free memory was 103.9MB in the beginning and 101.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 37.07ms. Allocated memory is still 156.2MB. Free memory was 101.9MB in the beginning and 100.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 499.84ms. Allocated memory is still 156.2MB. Free memory was 100.1MB in the beginning and 80.9MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 7.0GB. * TraceAbstraction took 539978.65ms. Allocated memory was 156.2MB in the beginning and 828.4MB in the end (delta: 672.1MB). Free memory was 80.2MB in the beginning and 370.6MB in the end (delta: -290.4MB). Peak memory consumption was 382.4MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-09-07 09:59:09,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...