/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 20:28:06,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 20:28:07,012 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-30 20:28:07,016 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 20:28:07,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 20:28:07,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 20:28:07,046 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 20:28:07,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 20:28:07,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 20:28:07,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 20:28:07,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 20:28:07,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 20:28:07,051 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 20:28:07,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 20:28:07,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 20:28:07,053 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 20:28:07,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 20:28:07,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 20:28:07,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 20:28:07,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 20:28:07,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 20:28:07,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 20:28:07,055 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 20:28:07,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 20:28:07,056 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 20:28:07,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 20:28:07,056 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 20:28:07,057 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 20:28:07,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 20:28:07,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 20:28:07,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 20:28:07,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 20:28:07,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 20:28:07,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 20:28:07,059 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-30 20:28:07,059 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-30 20:28:07,059 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 20:28:07,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 20:28:07,059 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 20:28:07,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 20:28:07,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 20:28:07,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 20:28:07,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 20:28:07,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 20:28:07,365 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 20:28:07,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2024-05-30 20:28:08,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 20:28:08,795 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 20:28:08,796 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2024-05-30 20:28:08,808 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5a7406f8b/3e6d7c5a31a448cf9dc70fe0b07b0548/FLAG62192de1a [2024-05-30 20:28:08,824 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5a7406f8b/3e6d7c5a31a448cf9dc70fe0b07b0548 [2024-05-30 20:28:08,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 20:28:08,829 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 20:28:08,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 20:28:08,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 20:28:08,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 20:28:08,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 08:28:08" (1/1) ... [2024-05-30 20:28:08,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f7eacfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:28:08, skipping insertion in model container [2024-05-30 20:28:08,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 08:28:08" (1/1) ... [2024-05-30 20:28:08,880 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 20:28:09,046 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c[2975,2988] [2024-05-30 20:28:09,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 20:28:09,067 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 20:28:09,086 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c[2975,2988] [2024-05-30 20:28:09,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 20:28:09,103 INFO L206 MainTranslator]: Completed translation [2024-05-30 20:28:09,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:28:09 WrapperNode [2024-05-30 20:28:09,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 20:28:09,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 20:28:09,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 20:28:09,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 20:28:09,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:28:09" (1/1) ... [2024-05-30 20:28:09,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:28:09" (1/1) ... [2024-05-30 20:28:09,144 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 207 [2024-05-30 20:28:09,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 20:28:09,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 20:28:09,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 20:28:09,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 20:28:09,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:28:09" (1/1) ... [2024-05-30 20:28:09,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:28:09" (1/1) ... [2024-05-30 20:28:09,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:28:09" (1/1) ... [2024-05-30 20:28:09,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:28:09" (1/1) ... [2024-05-30 20:28:09,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:28:09" (1/1) ... [2024-05-30 20:28:09,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:28:09" (1/1) ... [2024-05-30 20:28:09,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:28:09" (1/1) ... [2024-05-30 20:28:09,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:28:09" (1/1) ... [2024-05-30 20:28:09,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 20:28:09,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 20:28:09,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 20:28:09,178 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 20:28:09,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:28:09" (1/1) ... [2024-05-30 20:28:09,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 20:28:09,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:28:09,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-30 20:28:09,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-30 20:28:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 20:28:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 20:28:09,267 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 20:28:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 20:28:09,267 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 20:28:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 20:28:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 20:28:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 20:28:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-30 20:28:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 20:28:09,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 20:28:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 20:28:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 20:28:09,271 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 20:28:09,368 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 20:28:09,370 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 20:28:09,703 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 20:28:09,715 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 20:28:09,716 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-30 20:28:09,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 08:28:09 BoogieIcfgContainer [2024-05-30 20:28:09,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 20:28:09,718 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 20:28:09,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 20:28:09,724 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 20:28:09,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 08:28:08" (1/3) ... [2024-05-30 20:28:09,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a04075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 08:28:09, skipping insertion in model container [2024-05-30 20:28:09,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:28:09" (2/3) ... [2024-05-30 20:28:09,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a04075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 08:28:09, skipping insertion in model container [2024-05-30 20:28:09,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 08:28:09" (3/3) ... [2024-05-30 20:28:09,727 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2024-05-30 20:28:09,735 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 20:28:09,744 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 20:28:09,744 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 20:28:09,744 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 20:28:09,908 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-30 20:28:09,949 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 20:28:09,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 20:28:09,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:28:09,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 20:28:09,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-30 20:28:09,982 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 20:28:09,988 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 20:28:09,994 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@95e7661, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 20:28:09,994 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 20:28:10,260 INFO L78 Accepts]: Start accepts. Automaton has currently 1879 states, but on-demand construction may add more states Word has length 149 [2024-05-30 20:28:10,262 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:28:10,262 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:28:10,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:28:10,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1453597351, now seen corresponding path program 1 times [2024-05-30 20:28:10,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:28:10,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916701907] [2024-05-30 20:28:10,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:28:10,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:28:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:28:10,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 20:28:10,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:28:10,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916701907] [2024-05-30 20:28:10,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916701907] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 20:28:10,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 20:28:10,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 20:28:10,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159573971] [2024-05-30 20:28:10,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 20:28:10,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 20:28:10,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:28:10,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 20:28:10,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 20:28:10,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:10,582 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:28:10,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 74.5) internal successors, (149), 2 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:28:10,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:10,681 INFO L78 Accepts]: Start accepts. Automaton has currently 1879 states, but on-demand construction may add more states Word has length 141 [2024-05-30 20:28:10,683 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:28:10,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 20:28:10,684 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:28:10,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:28:10,686 INFO L85 PathProgramCache]: Analyzing trace with hash -696832580, now seen corresponding path program 1 times [2024-05-30 20:28:10,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:28:10,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083714706] [2024-05-30 20:28:10,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:28:10,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:28:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:28:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 20:28:11,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:28:11,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083714706] [2024-05-30 20:28:11,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083714706] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 20:28:11,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 20:28:11,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-05-30 20:28:11,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353205400] [2024-05-30 20:28:11,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 20:28:11,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-30 20:28:11,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:28:11,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-30 20:28:11,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-05-30 20:28:11,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:11,669 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:28:11,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:28:11,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:11,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:11,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:11,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:28:11,931 INFO L78 Accepts]: Start accepts. Automaton has currently 1906 states, but on-demand construction may add more states Word has length 154 [2024-05-30 20:28:11,932 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:28:11,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 20:28:11,933 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:28:11,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:28:11,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1099634271, now seen corresponding path program 1 times [2024-05-30 20:28:11,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:28:11,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955717893] [2024-05-30 20:28:11,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:28:11,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:28:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:28:12,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 20:28:12,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:28:12,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955717893] [2024-05-30 20:28:12,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955717893] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:28:12,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973168969] [2024-05-30 20:28:12,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:28:12,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:28:12,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:28:12,498 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:28:12,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-30 20:28:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:28:12,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-30 20:28:12,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:28:12,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 20:28:12,935 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-30 20:28:12,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973168969] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 20:28:12,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-30 20:28:12,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-05-30 20:28:12,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924883473] [2024-05-30 20:28:12,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 20:28:12,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 20:28:12,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:28:12,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 20:28:12,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-05-30 20:28:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:12,940 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:28:12,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.25) internal successors, (154), 8 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:28:12,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:12,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:28:12,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:13,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:13,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:28:13,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 20:28:13,165 INFO L78 Accepts]: Start accepts. Automaton has currently 1914 states, but on-demand construction may add more states Word has length 162 [2024-05-30 20:28:13,166 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:28:13,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-30 20:28:13,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-30 20:28:13,376 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:28:13,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:28:13,376 INFO L85 PathProgramCache]: Analyzing trace with hash 360372954, now seen corresponding path program 1 times [2024-05-30 20:28:13,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:28:13,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860958686] [2024-05-30 20:28:13,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:28:13,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:28:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:28:13,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 20:28:13,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:28:13,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860958686] [2024-05-30 20:28:13,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860958686] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:28:13,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091614160] [2024-05-30 20:28:13,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:28:13,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:28:13,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:28:13,908 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:28:13,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-30 20:28:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:28:14,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 33 conjunts are in the unsatisfiable core [2024-05-30 20:28:14,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:28:14,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-05-30 20:28:14,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 20:28:14,869 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:28:15,633 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-30 20:28:15,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-05-30 20:28:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 20:28:16,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091614160] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:28:16,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:28:16,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 18, 18] total 40 [2024-05-30 20:28:16,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921850196] [2024-05-30 20:28:16,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:28:16,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-05-30 20:28:16,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:28:16,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-05-30 20:28:16,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1436, Unknown=0, NotChecked=0, Total=1560 [2024-05-30 20:28:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:16,552 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:28:16,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 10.8) internal successors, (432), 40 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:28:16,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:16,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:28:16,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 20:28:16,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:18,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:18,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:28:18,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 20:28:18,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-30 20:28:18,223 INFO L78 Accepts]: Start accepts. Automaton has currently 2129 states, but on-demand construction may add more states Word has length 183 [2024-05-30 20:28:18,224 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:28:18,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-30 20:28:18,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:28:18,431 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:28:18,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:28:18,431 INFO L85 PathProgramCache]: Analyzing trace with hash 471939498, now seen corresponding path program 2 times [2024-05-30 20:28:18,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:28:18,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178929403] [2024-05-30 20:28:18,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:28:18,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:28:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:28:18,920 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 20:28:18,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:28:18,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178929403] [2024-05-30 20:28:18,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178929403] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:28:18,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571656850] [2024-05-30 20:28:18,921 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 20:28:18,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:28:18,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:28:18,922 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:28:18,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-30 20:28:19,177 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 20:28:19,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:28:19,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 84 conjunts are in the unsatisfiable core [2024-05-30 20:28:19,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:28:19,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-05-30 20:28:20,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 20:28:20,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 20:28:22,409 INFO L349 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2024-05-30 20:28:22,409 INFO L378 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 7 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 48 [2024-05-30 20:28:22,641 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 20:28:22,642 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:28:27,480 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 20:28:27,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 496 treesize of output 292 [2024-05-30 20:28:27,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 20:28:27,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 1636 treesize of output 1532 [2024-05-30 20:28:27,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 20:28:27,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 268 treesize of output 344 [2024-05-30 20:28:34,484 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 20:28:34,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 369 treesize of output 337 [2024-05-30 20:28:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 20:28:36,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571656850] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:28:36,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:28:36,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 44, 40] total 92 [2024-05-30 20:28:36,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870056797] [2024-05-30 20:28:36,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:28:36,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-05-30 20:28:36,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:28:36,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-05-30 20:28:36,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=573, Invalid=7736, Unknown=63, NotChecked=0, Total=8372 [2024-05-30 20:28:36,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:36,649 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:28:36,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 5.619565217391305) internal successors, (517), 92 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:28:36,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:36,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:28:36,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 20:28:36,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-30 20:28:36,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:44,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:44,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:28:44,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 20:28:44,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-30 20:28:44,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 20:28:44,277 INFO L78 Accepts]: Start accepts. Automaton has currently 2291 states, but on-demand construction may add more states Word has length 204 [2024-05-30 20:28:44,278 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:28:44,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-30 20:28:44,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:28:44,479 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:28:44,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:28:44,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1719700076, now seen corresponding path program 3 times [2024-05-30 20:28:44,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:28:44,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289001675] [2024-05-30 20:28:44,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:28:44,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:28:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:28:45,038 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-30 20:28:45,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:28:45,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289001675] [2024-05-30 20:28:45,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289001675] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:28:45,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931461656] [2024-05-30 20:28:45,039 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 20:28:45,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:28:45,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:28:45,040 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:28:45,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-30 20:28:45,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-30 20:28:45,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:28:45,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-30 20:28:45,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:28:45,620 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-30 20:28:45,620 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:28:46,178 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-30 20:28:46,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931461656] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:28:46,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:28:46,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 31 [2024-05-30 20:28:46,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116631195] [2024-05-30 20:28:46,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:28:46,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-05-30 20:28:46,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:28:46,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-05-30 20:28:46,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=835, Unknown=0, NotChecked=0, Total=930 [2024-05-30 20:28:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:46,182 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:28:46,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.774193548387096) internal successors, (272), 31 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:28:46,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:46,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:28:46,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 20:28:46,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-30 20:28:46,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 20:28:46,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:47,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:28:47,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:28:47,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 20:28:47,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-30 20:28:47,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 20:28:47,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-30 20:28:47,497 INFO L78 Accepts]: Start accepts. Automaton has currently 2493 states, but on-demand construction may add more states Word has length 217 [2024-05-30 20:28:47,498 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:28:47,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-30 20:28:47,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-30 20:28:47,706 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:28:47,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:28:47,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1107012337, now seen corresponding path program 4 times [2024-05-30 20:28:47,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:28:47,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366672666] [2024-05-30 20:28:47,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:28:47,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:28:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:29:09,085 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 20:29:09,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:29:09,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366672666] [2024-05-30 20:29:09,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366672666] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:29:09,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027914925] [2024-05-30 20:29:09,086 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 20:29:09,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:29:09,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:29:09,087 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:29:09,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-30 20:29:09,215 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 20:29:09,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:29:09,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 49 conjunts are in the unsatisfiable core [2024-05-30 20:29:09,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:29:10,559 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 20:29:10,559 INFO L378 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 7 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 76 [2024-05-30 20:29:10,606 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-30 20:29:10,606 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:29:12,290 INFO L349 Elim1Store]: treesize reduction 20, result has 92.7 percent of original size [2024-05-30 20:29:12,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 67 treesize of output 304 [2024-05-30 20:29:12,880 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-30 20:29:12,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027914925] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:29:12,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:29:12,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 22, 21] total 89 [2024-05-30 20:29:12,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093508401] [2024-05-30 20:29:12,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:29:12,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2024-05-30 20:29:12,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:29:12,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2024-05-30 20:29:12,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=7500, Unknown=0, NotChecked=0, Total=7832 [2024-05-30 20:29:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:29:12,886 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:29:12,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 6.359550561797753) internal successors, (566), 89 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:29:12,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:29:12,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:29:12,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 20:29:12,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-30 20:29:12,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 20:29:12,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-30 20:29:12,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:29:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:29:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:29:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 20:29:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-30 20:29:21,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 20:29:21,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-30 20:29:21,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 20:29:21,474 INFO L78 Accepts]: Start accepts. Automaton has currently 2525 states, but on-demand construction may add more states Word has length 238 [2024-05-30 20:29:21,475 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:29:21,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-30 20:29:21,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:29:21,676 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:29:21,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:29:21,676 INFO L85 PathProgramCache]: Analyzing trace with hash 442820165, now seen corresponding path program 5 times [2024-05-30 20:29:21,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:29:21,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827800518] [2024-05-30 20:29:21,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:29:21,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:29:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:29:22,231 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 2 proven. 133 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 20:29:22,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:29:22,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827800518] [2024-05-30 20:29:22,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827800518] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:29:22,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175988748] [2024-05-30 20:29:22,232 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 20:29:22,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:29:22,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:29:22,237 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:29:22,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-30 20:29:22,569 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-05-30 20:29:22,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:29:22,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 27 conjunts are in the unsatisfiable core [2024-05-30 20:29:22,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:29:22,828 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 20:29:22,828 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:29:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 20:29:23,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175988748] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:29:23,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:29:23,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 16] total 37 [2024-05-30 20:29:23,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732791926] [2024-05-30 20:29:23,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:29:23,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-05-30 20:29:23,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:29:23,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-05-30 20:29:23,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1121, Unknown=0, NotChecked=0, Total=1332 [2024-05-30 20:29:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:29:23,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:29:23,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 8.756756756756756) internal successors, (324), 37 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:29:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:29:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:29:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 20:29:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-30 20:29:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 20:29:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-30 20:29:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 20:29:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:29:25,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:29:25,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:29:25,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 20:29:25,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-30 20:29:25,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 20:29:25,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-30 20:29:25,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 20:29:25,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-30 20:29:25,375 INFO L78 Accepts]: Start accepts. Automaton has currently 3458 states, but on-demand construction may add more states Word has length 312 [2024-05-30 20:29:25,377 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:29:25,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-30 20:29:25,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-30 20:29:25,583 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:29:25,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:29:25,584 INFO L85 PathProgramCache]: Analyzing trace with hash -500500221, now seen corresponding path program 1 times [2024-05-30 20:29:25,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:29:25,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537866793] [2024-05-30 20:29:25,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:29:25,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:29:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:29:26,950 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 20:29:26,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:29:26,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537866793] [2024-05-30 20:29:26,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537866793] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:29:26,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534502650] [2024-05-30 20:29:26,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:29:26,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:29:26,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:29:26,952 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:29:26,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-30 20:29:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:29:27,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 62 conjunts are in the unsatisfiable core [2024-05-30 20:29:27,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:29:28,254 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 20:29:28,254 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:29:29,830 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 20:29:29,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534502650] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:29:29,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:29:29,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 79 [2024-05-30 20:29:29,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491526177] [2024-05-30 20:29:29,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:29:29,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-05-30 20:29:29,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:29:29,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-05-30 20:29:29,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=5736, Unknown=0, NotChecked=0, Total=6162 [2024-05-30 20:29:29,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:29:29,835 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:29:29,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 7.177215189873418) internal successors, (567), 79 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:29:29,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:29:29,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:29:29,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 20:29:29,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-30 20:29:29,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 20:29:29,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-30 20:29:29,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 20:29:29,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-30 20:29:29,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:29:47,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:29:47,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:29:47,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 20:29:47,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-30 20:29:47,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 20:29:47,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-30 20:29:47,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 20:29:47,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-30 20:29:47,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 20:29:47,693 INFO L78 Accepts]: Start accepts. Automaton has currently 3965 states, but on-demand construction may add more states Word has length 351 [2024-05-30 20:29:47,695 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:29:47,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-30 20:29:47,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:29:47,900 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:29:47,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:29:47,901 INFO L85 PathProgramCache]: Analyzing trace with hash -351817770, now seen corresponding path program 2 times [2024-05-30 20:29:47,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:29:47,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258721150] [2024-05-30 20:29:47,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:29:47,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:29:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-05-30 20:41:33,917 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 20:41:33,917 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 20:41:34,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-30 20:41:34,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown