/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 --traceabstraction.abstraction.used.for.commutativity.in.por VARIABLES_GLOBAL -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 10:57:02,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 10:57:02,481 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-03 10:57:02,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 10:57:02,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 10:57:02,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 10:57:02,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 10:57:02,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 10:57:02,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 10:57:02,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 10:57:02,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 10:57:02,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 10:57:02,527 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 10:57:02,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 10:57:02,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 10:57:02,528 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 10:57:02,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 10:57:02,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 10:57:02,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 10:57:02,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 10:57:02,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 10:57:02,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 10:57:02,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 10:57:02,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 10:57:02,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 10:57:02,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 10:57:02,531 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 10:57:02,531 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 10:57:02,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 10:57:02,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 10:57:02,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 10:57:02,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 10:57:02,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 10:57:02,533 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 10:57:02,533 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-03 10:57:02,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-03 10:57:02,533 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 10:57:02,533 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 10:57:02,533 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 10:57:02,533 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR -> VARIABLES_GLOBAL [2024-05-03 10:57:02,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 10:57:02,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 10:57:02,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 10:57:02,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 10:57:02,743 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 10:57:02,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-trans.wvr.c [2024-05-03 10:57:03,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 10:57:03,909 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 10:57:03,909 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-trans.wvr.c [2024-05-03 10:57:03,915 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/769a71091/261e49f14226400ca7a2da1e5a7de19a/FLAGde0a4d24d [2024-05-03 10:57:03,924 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/769a71091/261e49f14226400ca7a2da1e5a7de19a [2024-05-03 10:57:03,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 10:57:03,927 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 10:57:03,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 10:57:03,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 10:57:03,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 10:57:03,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 10:57:03" (1/1) ... [2024-05-03 10:57:03,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@358506a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 10:57:03, skipping insertion in model container [2024-05-03 10:57:03,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 10:57:03" (1/1) ... [2024-05-03 10:57:03,954 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 10:57:04,088 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/chl-chromosome-trans.wvr.c[3034,3047] [2024-05-03 10:57:04,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 10:57:04,106 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 10:57:04,146 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/chl-chromosome-trans.wvr.c[3034,3047] [2024-05-03 10:57:04,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 10:57:04,159 INFO L206 MainTranslator]: Completed translation [2024-05-03 10:57:04,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 10:57:04 WrapperNode [2024-05-03 10:57:04,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 10:57:04,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 10:57:04,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 10:57:04,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 10:57:04,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 10:57:04" (1/1) ... [2024-05-03 10:57:04,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 10:57:04" (1/1) ... [2024-05-03 10:57:04,197 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 16, calls inlined = 24, statements flattened = 279 [2024-05-03 10:57:04,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 10:57:04,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 10:57:04,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 10:57:04,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 10:57:04,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 10:57:04" (1/1) ... [2024-05-03 10:57:04,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 10:57:04" (1/1) ... [2024-05-03 10:57:04,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 10:57:04" (1/1) ... [2024-05-03 10:57:04,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 10:57:04" (1/1) ... [2024-05-03 10:57:04,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 10:57:04" (1/1) ... [2024-05-03 10:57:04,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 10:57:04" (1/1) ... [2024-05-03 10:57:04,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 10:57:04" (1/1) ... [2024-05-03 10:57:04,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 10:57:04" (1/1) ... [2024-05-03 10:57:04,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 10:57:04,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 10:57:04,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 10:57:04,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 10:57:04,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 10:57:04" (1/1) ... [2024-05-03 10:57:04,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 10:57:04,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 10:57:04,301 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) [2024-05-03 10:57:04,302 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 [2024-05-03 10:57:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 10:57:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 10:57:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 10:57:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 10:57:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 10:57:04,341 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 10:57:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 10:57:04,341 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 10:57:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-03 10:57:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-03 10:57:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 10:57:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-03 10:57:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 10:57:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 10:57:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 10:57:04,343 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 10:57:04,441 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 10:57:04,443 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 10:57:04,766 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 10:57:04,777 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 10:57:04,777 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-05-03 10:57:04,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 10:57:04 BoogieIcfgContainer [2024-05-03 10:57:04,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 10:57:04,780 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 10:57:04,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 10:57:04,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 10:57:04,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 10:57:03" (1/3) ... [2024-05-03 10:57:04,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79362d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 10:57:04, skipping insertion in model container [2024-05-03 10:57:04,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 10:57:04" (2/3) ... [2024-05-03 10:57:04,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79362d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 10:57:04, skipping insertion in model container [2024-05-03 10:57:04,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 10:57:04" (3/3) ... [2024-05-03 10:57:04,784 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-trans.wvr.c [2024-05-03 10:57:04,790 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 10:57:04,797 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 10:57:04,797 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 10:57:04,798 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 10:57:04,890 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-03 10:57:04,925 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 10:57:04,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 10:57:04,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 10:57:04,928 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) [2024-05-03 10:57:04,932 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 [2024-05-03 10:57:04,961 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 10:57:04,977 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 10:57:04,982 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;@6f8beda4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 10:57:04,982 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 10:57:07,705 INFO L78 Accepts]: Start accepts. Automaton has currently 83630 states, but on-demand construction may add more states Word has length 196 [2024-05-03 10:57:07,707 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 10:57:07,707 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 10:57:07,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 10:57:07,715 INFO L85 PathProgramCache]: Analyzing trace with hash 640135413, now seen corresponding path program 1 times [2024-05-03 10:57:07,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 10:57:07,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115211806] [2024-05-03 10:57:07,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 10:57:07,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 10:57:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 10:57:08,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 10:57:08,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 10:57:08,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115211806] [2024-05-03 10:57:08,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115211806] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 10:57:08,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 10:57:08,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 10:57:08,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884082077] [2024-05-03 10:57:08,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 10:57:08,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-03 10:57:08,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 10:57:08,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-03 10:57:08,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-03 10:57:08,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:08,169 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 10:57:08,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 98.0) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 10:57:08,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:10,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:10,219 INFO L78 Accepts]: Start accepts. Automaton has currently 86075 states, but on-demand construction may add more states Word has length 186 [2024-05-03 10:57:10,221 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 10:57:10,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 10:57:10,222 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 10:57:10,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 10:57:10,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1038783375, now seen corresponding path program 1 times [2024-05-03 10:57:10,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 10:57:10,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290951681] [2024-05-03 10:57:10,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 10:57:10,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 10:57:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 10:57:10,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 10:57:10,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 10:57:10,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290951681] [2024-05-03 10:57:10,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290951681] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 10:57:10,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 10:57:10,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-03 10:57:10,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043680862] [2024-05-03 10:57:10,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 10:57:10,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 10:57:10,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 10:57:10,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 10:57:10,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-03 10:57:10,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:10,565 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 10:57:10,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 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) [2024-05-03 10:57:10,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:10,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:12,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:12,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 10:57:12,272 INFO L78 Accepts]: Start accepts. Automaton has currently 86096 states, but on-demand construction may add more states Word has length 210 [2024-05-03 10:57:12,273 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 10:57:12,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 10:57:12,273 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 10:57:12,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 10:57:12,274 INFO L85 PathProgramCache]: Analyzing trace with hash -408376877, now seen corresponding path program 1 times [2024-05-03 10:57:12,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 10:57:12,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584079643] [2024-05-03 10:57:12,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 10:57:12,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 10:57:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 10:57:12,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 10:57:12,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 10:57:12,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584079643] [2024-05-03 10:57:12,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584079643] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 10:57:12,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659316210] [2024-05-03 10:57:12,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 10:57:12,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 10:57:12,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 10:57:12,514 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) [2024-05-03 10:57:12,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-03 10:57:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 10:57:12,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-03 10:57:12,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 10:57:12,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 10:57:12,769 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 10:57:12,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 10:57:12,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659316210] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 10:57:12,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 10:57:12,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-05-03 10:57:12,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212886872] [2024-05-03 10:57:12,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 10:57:12,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-03 10:57:12,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 10:57:12,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-03 10:57:12,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-05-03 10:57:12,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:12,852 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 10:57:12,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 16.6) internal successors, (249), 15 states have internal predecessors, (249), 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) [2024-05-03 10:57:12,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:12,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 10:57:12,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:14,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:14,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 10:57:14,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 10:57:14,671 INFO L78 Accepts]: Start accepts. Automaton has currently 86126 states, but on-demand construction may add more states Word has length 258 [2024-05-03 10:57:14,672 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 10:57:14,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-03 10:57:14,876 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 [2024-05-03 10:57:14,877 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 10:57:14,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 10:57:14,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1567521371, now seen corresponding path program 2 times [2024-05-03 10:57:14,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 10:57:14,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339068632] [2024-05-03 10:57:14,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 10:57:14,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 10:57:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 10:57:15,111 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-05-03 10:57:15,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 10:57:15,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339068632] [2024-05-03 10:57:15,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339068632] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 10:57:15,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310077025] [2024-05-03 10:57:15,112 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 10:57:15,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 10:57:15,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 10:57:15,113 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) [2024-05-03 10:57:15,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-03 10:57:15,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-05-03 10:57:15,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 10:57:15,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-03 10:57:15,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 10:57:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-05-03 10:57:15,305 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-03 10:57:15,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310077025] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 10:57:15,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-03 10:57:15,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2024-05-03 10:57:15,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974733299] [2024-05-03 10:57:15,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 10:57:15,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-03 10:57:15,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 10:57:15,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-03 10:57:15,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-05-03 10:57:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:15,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 10:57:15,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.0) internal successors, (210), 7 states have internal predecessors, (210), 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) [2024-05-03 10:57:15,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:15,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 10:57:15,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 10:57:15,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 10:57:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 10:57:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:57:16,776 INFO L78 Accepts]: Start accepts. Automaton has currently 83825 states, but on-demand construction may add more states Word has length 291 [2024-05-03 10:57:16,777 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 10:57:16,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-03 10:57:16,981 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 [2024-05-03 10:57:16,982 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 10:57:16,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 10:57:16,982 INFO L85 PathProgramCache]: Analyzing trace with hash 72374262, now seen corresponding path program 1 times [2024-05-03 10:57:16,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 10:57:16,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152227414] [2024-05-03 10:57:16,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 10:57:16,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 10:57:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 10:57:17,232 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-05-03 10:57:17,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 10:57:17,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152227414] [2024-05-03 10:57:17,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152227414] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 10:57:17,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489401133] [2024-05-03 10:57:17,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 10:57:17,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 10:57:17,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 10:57:17,234 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) [2024-05-03 10:57:17,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-03 10:57:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 10:57:17,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-03 10:57:17,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 10:57:17,497 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-05-03 10:57:17,497 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 10:57:17,594 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-05-03 10:57:17,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489401133] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 10:57:17,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 10:57:17,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-05-03 10:57:17,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389657671] [2024-05-03 10:57:17,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 10:57:17,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-03 10:57:17,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 10:57:17,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-03 10:57:17,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-05-03 10:57:17,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:17,599 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 10:57:17,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 14.272727272727273) internal successors, (314), 22 states have internal predecessors, (314), 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) [2024-05-03 10:57:17,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:17,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 10:57:17,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 10:57:17,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:57:17,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 10:57:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 10:57:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:57:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 10:57:19,511 INFO L78 Accepts]: Start accepts. Automaton has currently 83873 states, but on-demand construction may add more states Word has length 339 [2024-05-03 10:57:19,513 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 10:57:19,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-03 10:57:19,717 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 [2024-05-03 10:57:19,718 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 10:57:19,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 10:57:19,718 INFO L85 PathProgramCache]: Analyzing trace with hash 931170414, now seen corresponding path program 2 times [2024-05-03 10:57:19,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 10:57:19,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095838778] [2024-05-03 10:57:19,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 10:57:19,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 10:57:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 10:57:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-05-03 10:57:20,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 10:57:20,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095838778] [2024-05-03 10:57:20,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095838778] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 10:57:20,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 10:57:20,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-03 10:57:20,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892408271] [2024-05-03 10:57:20,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 10:57:20,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-03 10:57:20,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 10:57:20,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-03 10:57:20,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-05-03 10:57:20,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:20,101 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 10:57:20,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 30.375) internal successors, (243), 8 states have internal predecessors, (243), 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) [2024-05-03 10:57:20,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:20,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 10:57:20,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 10:57:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:57:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 10:57:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:22,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:22,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 10:57:22,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 10:57:22,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:57:22,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 10:57:22,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:57:22,578 INFO L78 Accepts]: Start accepts. Automaton has currently 138334 states, but on-demand construction may add more states Word has length 372 [2024-05-03 10:57:22,580 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 10:57:22,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-03 10:57:22,580 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 10:57:22,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 10:57:22,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1886983681, now seen corresponding path program 1 times [2024-05-03 10:57:22,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 10:57:22,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007476784] [2024-05-03 10:57:22,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 10:57:22,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 10:57:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 10:57:22,945 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-05-03 10:57:22,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 10:57:22,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007476784] [2024-05-03 10:57:22,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007476784] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 10:57:22,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 10:57:22,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-03 10:57:22,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899438263] [2024-05-03 10:57:22,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 10:57:22,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-03 10:57:22,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 10:57:22,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-03 10:57:22,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-05-03 10:57:22,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:22,948 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 10:57:22,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 39.42857142857143) internal successors, (276), 7 states have internal predecessors, (276), 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) [2024-05-03 10:57:22,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:22,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 10:57:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 10:57:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:57:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 10:57:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:57:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:27,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 10:57:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 10:57:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:57:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 10:57:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:57:27,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 10:57:27,768 INFO L78 Accepts]: Start accepts. Automaton has currently 228488 states, but on-demand construction may add more states Word has length 405 [2024-05-03 10:57:27,770 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 10:57:27,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-03 10:57:27,770 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 10:57:27,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 10:57:27,771 INFO L85 PathProgramCache]: Analyzing trace with hash -797257837, now seen corresponding path program 1 times [2024-05-03 10:57:27,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 10:57:27,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581518989] [2024-05-03 10:57:27,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 10:57:27,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 10:57:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 10:57:31,674 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-05-03 10:57:31,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 10:57:31,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581518989] [2024-05-03 10:57:31,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581518989] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 10:57:31,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479896153] [2024-05-03 10:57:31,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 10:57:31,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 10:57:31,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 10:57:31,676 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) [2024-05-03 10:57:31,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-03 10:57:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 10:57:31,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 78 conjunts are in the unsatisfiable core [2024-05-03 10:57:31,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 10:57:34,901 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 10:57:34,902 INFO L378 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 41 treesize of output 49 [2024-05-03 10:57:35,102 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-05-03 10:57:35,103 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 10:57:37,816 INFO L349 Elim1Store]: treesize reduction 32, result has 73.6 percent of original size [2024-05-03 10:57:37,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 102 [2024-05-03 10:57:37,987 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-05-03 10:57:37,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479896153] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 10:57:37,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 10:57:37,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 53, 37] total 122 [2024-05-03 10:57:37,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421427917] [2024-05-03 10:57:37,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 10:57:37,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-05-03 10:57:37,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 10:57:37,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-05-03 10:57:37,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=631, Invalid=14131, Unknown=0, NotChecked=0, Total=14762 [2024-05-03 10:57:37,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:37,994 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 10:57:37,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 6.327868852459017) internal successors, (772), 122 states have internal predecessors, (772), 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) [2024-05-03 10:57:37,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:57:37,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 10:57:37,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 10:57:37,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:57:37,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 10:57:37,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:57:37,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 10:57:37,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:59:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:59:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 10:59:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 10:59:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:59:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 10:59:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:59:06,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 10:59:06,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 462 states. [2024-05-03 10:59:06,249 INFO L78 Accepts]: Start accepts. Automaton has currently 224058 states, but on-demand construction may add more states Word has length 438 [2024-05-03 10:59:06,251 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 10:59:06,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-03 10:59:06,452 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,SelfDestructingSolverStorable7 [2024-05-03 10:59:06,452 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 10:59:06,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 10:59:06,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1324739032, now seen corresponding path program 2 times [2024-05-03 10:59:06,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 10:59:06,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428841352] [2024-05-03 10:59:06,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 10:59:06,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 10:59:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 10:59:09,592 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-05-03 10:59:09,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 10:59:09,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428841352] [2024-05-03 10:59:09,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428841352] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 10:59:09,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378743263] [2024-05-03 10:59:09,593 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 10:59:09,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 10:59:09,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 10:59:09,594 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) [2024-05-03 10:59:09,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-03 10:59:09,800 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 10:59:09,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 10:59:09,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 86 conjunts are in the unsatisfiable core [2024-05-03 10:59:09,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 10:59:12,743 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 10:59:12,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 123 [2024-05-03 10:59:13,560 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-05-03 10:59:13,560 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 10:59:16,793 INFO L349 Elim1Store]: treesize reduction 36, result has 70.2 percent of original size [2024-05-03 10:59:16,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 98 [2024-05-03 10:59:16,908 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-05-03 10:59:16,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378743263] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 10:59:16,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 10:59:16,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 56, 40] total 135 [2024-05-03 10:59:16,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456517881] [2024-05-03 10:59:16,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 10:59:16,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2024-05-03 10:59:16,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 10:59:16,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2024-05-03 10:59:16,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=741, Invalid=17349, Unknown=0, NotChecked=0, Total=18090 [2024-05-03 10:59:16,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:59:16,916 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 10:59:16,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 6.444444444444445) internal successors, (870), 135 states have internal predecessors, (870), 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) [2024-05-03 10:59:16,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 10:59:16,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 10:59:16,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 10:59:16,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:59:16,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 10:59:16,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 10:59:16,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 10:59:16,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 462 states. [2024-05-03 10:59:16,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 11:02:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 11:02:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 11:02:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 11:02:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 11:02:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 11:02:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 11:02:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 11:02:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 462 states. [2024-05-03 11:02:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1173 states. [2024-05-03 11:02:46,005 INFO L78 Accepts]: Start accepts. Automaton has currently 378455 states, but on-demand construction may add more states Word has length 504 [2024-05-03 11:02:46,008 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 11:02:46,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-03 11:02:46,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 11:02:46,214 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 11:02:46,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 11:02:46,214 INFO L85 PathProgramCache]: Analyzing trace with hash 996563423, now seen corresponding path program 3 times [2024-05-03 11:02:46,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 11:02:46,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230267407] [2024-05-03 11:02:46,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 11:02:46,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 11:02:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 11:02:50,368 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 6 proven. 99 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-05-03 11:02:50,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 11:02:50,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230267407] [2024-05-03 11:02:50,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230267407] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 11:02:50,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767997541] [2024-05-03 11:02:50,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 11:02:50,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 11:02:50,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 11:02:50,370 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) [2024-05-03 11:02:50,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-03 11:02:50,683 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-03 11:02:50,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 11:02:50,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 88 conjunts are in the unsatisfiable core [2024-05-03 11:02:50,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 11:02:54,152 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 [2024-05-03 11:02:54,322 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-05-03 11:02:54,322 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 11:02:57,306 INFO L349 Elim1Store]: treesize reduction 32, result has 73.6 percent of original size [2024-05-03 11:02:57,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 44 treesize of output 100 [2024-05-03 11:02:57,408 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 89 proven. 16 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-05-03 11:02:57,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767997541] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 11:02:57,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 11:02:57,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 62, 42] total 122 [2024-05-03 11:02:57,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038973560] [2024-05-03 11:02:57,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 11:02:57,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-05-03 11:02:57,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 11:02:57,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-05-03 11:02:57,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=651, Invalid=14111, Unknown=0, NotChecked=0, Total=14762 [2024-05-03 11:02:57,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 11:02:57,419 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 11:02:57,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 6.655737704918033) internal successors, (812), 122 states have internal predecessors, (812), 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) [2024-05-03 11:02:57,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 11:02:57,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 11:02:57,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 11:02:57,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 11:02:57,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 11:02:57,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 11:02:57,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 11:02:57,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 462 states. [2024-05-03 11:02:57,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1173 states. [2024-05-03 11:02:57,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.