/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 16:42:46,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 16:42:46,839 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 16:42:46,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 16:42:46,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 16:42:46,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 16:42:46,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 16:42:46,870 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 16:42:46,870 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 16:42:46,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 16:42:46,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 16:42:46,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 16:42:46,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 16:42:46,875 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 16:42:46,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 16:42:46,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 16:42:46,876 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 16:42:46,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 16:42:46,876 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 16:42:46,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 16:42:46,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 16:42:46,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 16:42:46,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 16:42:46,877 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 16:42:46,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 16:42:46,878 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 16:42:46,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 16:42:46,878 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 16:42:46,878 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 16:42:46,878 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 16:42:46,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:42:46,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 16:42:46,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 16:42:46,880 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 16:42:46,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 16:42:46,880 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 16:42:46,880 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 16:42:46,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 16:42:46,880 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 16:42:46,881 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 16:42:46,881 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 16:42:46,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 16:42:47,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 16:42:47,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 16:42:47,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 16:42:47,116 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 16:42:47,117 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 16:42:47,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-05-30 16:42:48,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 16:42:48,265 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 16:42:48,265 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-05-30 16:42:48,271 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cb5a354e6/9ba888f82c2240f8bd1cb1bc6baf56a0/FLAGe9f3d62c1 [2024-05-30 16:42:48,281 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cb5a354e6/9ba888f82c2240f8bd1cb1bc6baf56a0 [2024-05-30 16:42:48,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 16:42:48,284 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 16:42:48,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 16:42:48,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 16:42:48,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 16:42:48,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:42:48" (1/1) ... [2024-05-30 16:42:48,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e92dc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:42:48, skipping insertion in model container [2024-05-30 16:42:48,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:42:48" (1/1) ... [2024-05-30 16:42:48,317 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 16:42:48,442 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c[3615,3628] [2024-05-30 16:42:48,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:42:48,454 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 16:42:48,471 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c[3615,3628] [2024-05-30 16:42:48,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:42:48,485 INFO L206 MainTranslator]: Completed translation [2024-05-30 16:42:48,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:42:48 WrapperNode [2024-05-30 16:42:48,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 16:42:48,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 16:42:48,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 16:42:48,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 16:42:48,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:42:48" (1/1) ... [2024-05-30 16:42:48,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:42:48" (1/1) ... [2024-05-30 16:42:48,514 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 267 [2024-05-30 16:42:48,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 16:42:48,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 16:42:48,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 16:42:48,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 16:42:48,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:42:48" (1/1) ... [2024-05-30 16:42:48,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:42:48" (1/1) ... [2024-05-30 16:42:48,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:42:48" (1/1) ... [2024-05-30 16:42:48,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:42:48" (1/1) ... [2024-05-30 16:42:48,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:42:48" (1/1) ... [2024-05-30 16:42:48,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:42:48" (1/1) ... [2024-05-30 16:42:48,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:42:48" (1/1) ... [2024-05-30 16:42:48,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:42:48" (1/1) ... [2024-05-30 16:42:48,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 16:42:48,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 16:42:48,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 16:42:48,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 16:42:48,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:42:48" (1/1) ... [2024-05-30 16:42:48,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:42:48,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:42:48,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-30 16:42:48,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-30 16:42:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 16:42:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 16:42:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 16:42:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 16:42:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 16:42:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 16:42:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 16:42:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 16:42:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-30 16:42:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-30 16:42:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 16:42:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 16:42:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 16:42:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-30 16:42:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 16:42:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 16:42:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 16:42:48,619 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 16:42:48,734 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 16:42:48,736 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 16:42:49,031 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 16:42:49,110 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 16:42:49,110 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-05-30 16:42:49,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:42:49 BoogieIcfgContainer [2024-05-30 16:42:49,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 16:42:49,113 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 16:42:49,113 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 16:42:49,115 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 16:42:49,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 04:42:48" (1/3) ... [2024-05-30 16:42:49,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c63732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:42:49, skipping insertion in model container [2024-05-30 16:42:49,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:42:48" (2/3) ... [2024-05-30 16:42:49,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c63732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:42:49, skipping insertion in model container [2024-05-30 16:42:49,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:42:49" (3/3) ... [2024-05-30 16:42:49,117 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-3-nl.wvr.c [2024-05-30 16:42:49,126 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 16:42:49,133 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 16:42:49,134 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 16:42:49,134 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 16:42:49,180 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-30 16:42:49,231 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:42:49,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 16:42:49,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:42:49,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 16:42:49,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-30 16:42:49,274 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 16:42:49,280 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 16:42:49,286 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6e357297, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:42:49,286 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 16:42:49,294 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:42:49,442 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,443 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,443 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,469 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,470 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,470 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,511 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,511 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,511 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,546 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,546 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,546 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,575 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,575 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,575 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,604 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,604 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,604 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,703 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,703 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,703 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,727 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,727 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,727 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,763 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,763 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,763 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,768 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,768 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,768 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,779 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,779 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,780 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,824 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,825 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,825 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,830 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,831 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,831 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,864 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,864 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,865 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,888 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,888 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,888 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,902 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,902 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,902 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,915 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,915 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,915 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,937 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,937 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,937 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:49,960 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:49,960 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:49,960 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,002 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,002 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,002 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,013 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,013 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,013 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,024 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,024 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,024 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,027 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,027 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,027 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,031 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,031 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,032 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,039 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,039 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,039 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,047 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,047 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,047 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,056 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,056 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,056 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,061 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,062 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,062 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,069 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,069 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,069 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,080 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,080 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,080 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,087 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,087 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,087 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,094 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,094 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,094 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,134 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,134 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,135 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,151 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,151 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,151 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,163 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,163 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,163 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,167 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,167 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,167 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,174 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,174 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,174 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,184 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,184 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,184 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,191 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,191 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,191 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,201 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,201 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,201 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,208 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,208 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,208 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,245 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,245 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,245 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,253 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,253 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,253 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,262 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,262 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,262 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,268 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,269 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,269 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,302 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,302 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,302 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,311 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,311 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,311 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,326 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,326 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,326 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,329 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,329 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,330 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,333 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,333 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,333 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,339 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,339 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,339 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,344 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,344 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,344 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,355 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 734 states. [2024-05-30 16:42:50,355 INFO L212 cStratifiedReduction]: Copied states 32 times. [2024-05-30 16:42:50,358 INFO L78 Accepts]: Start accepts. Automaton has currently 807 states, but on-demand construction may add more states Word has length 185 [2024-05-30 16:42:50,361 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:42:50,361 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:42:50,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:42:50,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2068494536, now seen corresponding path program 1 times [2024-05-30 16:42:50,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:42:50,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400181550] [2024-05-30 16:42:50,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:42:50,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:42:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:42:50,776 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 16:42:50,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:42:50,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400181550] [2024-05-30 16:42:50,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400181550] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:42:50,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:42:50,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 16:42:50,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788755816] [2024-05-30 16:42:50,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:42:50,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 16:42:50,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:42:50,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 16:42:50,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 16:42:50,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:50,811 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:42:50,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 92.5) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:42:50,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:50,815 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:42:50,867 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,868 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,868 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,875 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,877 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,878 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,889 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,889 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,889 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,897 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,897 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,897 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,906 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,907 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,907 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,919 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,920 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,920 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,953 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,953 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,953 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,962 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,962 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,963 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,979 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,979 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,979 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,979 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,980 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,980 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,984 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,984 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,985 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,993 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,993 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,993 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:50,998 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:50,999 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:50,999 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,009 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,009 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,010 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,016 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,016 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,016 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,025 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,025 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,025 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,035 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,035 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,037 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,046 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,046 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,047 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,056 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,057 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,057 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,092 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,092 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,092 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,104 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,105 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,105 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,116 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,117 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,117 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,117 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,117 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,117 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,121 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,121 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,121 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,127 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,128 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,128 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,134 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,134 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,134 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,143 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,143 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,143 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,149 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,149 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,149 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,156 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,157 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,157 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,166 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,166 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,167 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,172 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,173 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,173 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,178 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,178 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,178 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,214 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,214 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,214 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,222 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,222 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,222 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,232 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,232 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,232 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,232 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,233 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,233 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,236 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,236 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,236 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,241 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,241 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,241 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,250 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,252 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,252 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,261 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,262 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,263 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,271 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,271 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,271 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,278 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,278 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,278 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,285 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,285 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,285 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,291 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,292 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,292 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,297 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,298 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,298 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,436 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,436 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,436 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,443 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,443 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,443 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,469 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,469 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,469 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,469 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,469 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,469 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,472 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,473 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,473 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,478 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,478 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,478 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,483 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:42:51,483 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:42:51,483 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:42:51,498 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 797 states. [2024-05-30 16:42:51,499 INFO L212 cStratifiedReduction]: Copied states 32 times. [2024-05-30 16:42:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:51,499 INFO L78 Accepts]: Start accepts. Automaton has currently 898 states, but on-demand construction may add more states Word has length 179 [2024-05-30 16:42:51,502 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:42:51,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 16:42:51,502 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:42:51,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:42:51,504 INFO L85 PathProgramCache]: Analyzing trace with hash -40320968, now seen corresponding path program 1 times [2024-05-30 16:42:51,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:42:51,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648856778] [2024-05-30 16:42:51,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:42:51,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:42:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:42:51,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:42:51,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:42:51,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648856778] [2024-05-30 16:42:51,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648856778] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:42:51,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:42:51,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-30 16:42:51,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774298157] [2024-05-30 16:42:51,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:42:51,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-30 16:42:51,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:42:51,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-30 16:42:51,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-30 16:42:51,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:51,780 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:42:51,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:42:51,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:51,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:51,781 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:42:51,830 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 304 states. [2024-05-30 16:42:51,830 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:42:51,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:51,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:42:51,832 INFO L78 Accepts]: Start accepts. Automaton has currently 307 states, but on-demand construction may add more states Word has length 185 [2024-05-30 16:42:51,833 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:42:51,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 16:42:51,833 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:42:51,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:42:51,834 INFO L85 PathProgramCache]: Analyzing trace with hash 18305087, now seen corresponding path program 2 times [2024-05-30 16:42:51,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:42:51,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708791121] [2024-05-30 16:42:51,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:42:51,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:42:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:42:52,077 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-30 16:42:52,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:42:52,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708791121] [2024-05-30 16:42:52,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708791121] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:42:52,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:42:52,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 16:42:52,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953218966] [2024-05-30 16:42:52,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:42:52,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 16:42:52,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:42:52,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 16:42:52,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-30 16:42:52,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:52,079 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:42:52,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:42:52,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:52,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:42:52,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:52,080 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:42:52,210 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 312 states. [2024-05-30 16:42:52,210 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:42:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:42:52,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:52,211 INFO L78 Accepts]: Start accepts. Automaton has currently 315 states, but on-demand construction may add more states Word has length 193 [2024-05-30 16:42:52,212 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:42:52,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 16:42:52,212 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:42:52,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:42:52,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1017737060, now seen corresponding path program 1 times [2024-05-30 16:42:52,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:42:52,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876683471] [2024-05-30 16:42:52,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:42:52,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:42:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:42:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-30 16:42:52,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:42:52,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876683471] [2024-05-30 16:42:52,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876683471] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:42:52,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:42:52,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 16:42:52,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626076254] [2024-05-30 16:42:52,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:42:52,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 16:42:52,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:42:52,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 16:42:52,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-30 16:42:52,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:52,396 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:42:52,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.166666666666668) internal successors, (187), 6 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:42:52,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:52,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:42:52,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:52,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:52,397 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:42:52,481 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 320 states. [2024-05-30 16:42:52,481 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:42:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:42:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:52,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:52,482 INFO L78 Accepts]: Start accepts. Automaton has currently 323 states, but on-demand construction may add more states Word has length 201 [2024-05-30 16:42:52,483 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:42:52,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 16:42:52,483 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:42:52,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:42:52,484 INFO L85 PathProgramCache]: Analyzing trace with hash 69460261, now seen corresponding path program 1 times [2024-05-30 16:42:52,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:42:52,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402642565] [2024-05-30 16:42:52,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:42:52,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:42:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:42:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 16:42:52,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:42:52,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402642565] [2024-05-30 16:42:52,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402642565] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:42:52,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946253163] [2024-05-30 16:42:52,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:42:52,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:42:52,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:42:52,830 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:42:52,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-30 16:42:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:42:52,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-30 16:42:52,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:42:53,131 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 16:42:53,132 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:42:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 16:42:53,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946253163] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:42:53,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:42:53,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-30 16:42:53,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956914561] [2024-05-30 16:42:53,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:42:53,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-30 16:42:53,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:42:53,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-30 16:42:53,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-05-30 16:42:53,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:53,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:42:53,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.789473684210526) internal successors, (262), 19 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:42:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:42:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:53,356 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:42:53,584 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 329 states. [2024-05-30 16:42:53,584 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:42:53,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:53,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:42:53,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:53,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:53,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:42:53,585 INFO L78 Accepts]: Start accepts. Automaton has currently 332 states, but on-demand construction may add more states Word has length 209 [2024-05-30 16:42:53,586 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:42:53,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-30 16:42:53,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:42:53,792 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:42:53,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:42:53,792 INFO L85 PathProgramCache]: Analyzing trace with hash 371529290, now seen corresponding path program 2 times [2024-05-30 16:42:53,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:42:53,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149791712] [2024-05-30 16:42:53,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:42:53,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:42:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:42:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 16:42:54,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:42:54,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149791712] [2024-05-30 16:42:54,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149791712] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:42:54,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681016631] [2024-05-30 16:42:54,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:42:54,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:42:54,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:42:54,077 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:42:54,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-30 16:42:54,291 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:42:54,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:42:54,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-30 16:42:54,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:42:54,551 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 16:42:54,551 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:42:54,830 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 16:42:54,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681016631] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:42:54,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:42:54,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2024-05-30 16:42:54,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713994702] [2024-05-30 16:42:54,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:42:54,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-05-30 16:42:54,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:42:54,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-05-30 16:42:54,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2024-05-30 16:42:54,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:54,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:42:54,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 10.714285714285714) internal successors, (300), 28 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:42:54,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:54,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:42:54,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:54,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:54,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:42:54,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:54,833 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:42:55,163 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 338 states. [2024-05-30 16:42:55,164 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:42:55,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:55,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:42:55,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:55,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:55,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:42:55,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:42:55,164 INFO L78 Accepts]: Start accepts. Automaton has currently 341 states, but on-demand construction may add more states Word has length 217 [2024-05-30 16:42:55,165 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:42:55,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-30 16:42:55,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:42:55,366 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:42:55,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:42:55,366 INFO L85 PathProgramCache]: Analyzing trace with hash 805656175, now seen corresponding path program 3 times [2024-05-30 16:42:55,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:42:55,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33883537] [2024-05-30 16:42:55,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:42:55,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:42:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:42:56,275 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 16:42:56,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:42:56,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33883537] [2024-05-30 16:42:56,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33883537] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:42:56,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234755880] [2024-05-30 16:42:56,276 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 16:42:56,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:42:56,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:42:56,277 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:42:56,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-30 16:42:56,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-30 16:42:56,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:42:56,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 7 conjunts are in the unsatisfiable core [2024-05-30 16:42:56,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:42:56,603 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-30 16:42:56,603 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:42:56,684 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-30 16:42:56,684 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 25 treesize of output 12 [2024-05-30 16:42:56,791 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-30 16:42:56,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234755880] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:42:56,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:42:56,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 5, 5] total 26 [2024-05-30 16:42:56,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58914754] [2024-05-30 16:42:56,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:42:56,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-05-30 16:42:56,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:42:56,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-05-30 16:42:56,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-05-30 16:42:56,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:56,794 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:42:56,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 14.153846153846153) internal successors, (368), 26 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:42:56,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:56,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:42:56,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:56,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:56,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:42:56,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:42:56,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:56,795 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:42:57,692 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 361 states. [2024-05-30 16:42:57,692 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:42:57,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:57,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:42:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:42:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:42:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:42:57,693 INFO L78 Accepts]: Start accepts. Automaton has currently 364 states, but on-demand construction may add more states Word has length 231 [2024-05-30 16:42:57,694 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:42:57,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-30 16:42:57,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:42:57,900 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:42:57,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:42:57,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1773473453, now seen corresponding path program 1 times [2024-05-30 16:42:57,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:42:57,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523700728] [2024-05-30 16:42:57,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:42:57,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:42:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:42:58,119 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-05-30 16:42:58,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:42:58,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523700728] [2024-05-30 16:42:58,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523700728] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:42:58,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301606320] [2024-05-30 16:42:58,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:42:58,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:42:58,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:42:58,121 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:42:58,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-30 16:42:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:42:58,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-30 16:42:58,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:42:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-05-30 16:42:58,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:42:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-05-30 16:42:58,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301606320] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:42:58,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:42:58,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-30 16:42:58,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295359392] [2024-05-30 16:42:58,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:42:58,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-30 16:42:58,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:42:58,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-30 16:42:58,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-05-30 16:42:58,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:58,541 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:42:58,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.368421052631579) internal successors, (254), 19 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:42:58,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:58,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:42:58,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:58,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:58,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:42:58,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:42:58,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:42:58,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:58,542 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:42:58,794 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 370 states. [2024-05-30 16:42:58,794 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:42:58,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:42:58,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:42:58,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:58,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:42:58,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:42:58,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:42:58,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:42:58,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:42:58,795 INFO L78 Accepts]: Start accepts. Automaton has currently 373 states, but on-demand construction may add more states Word has length 239 [2024-05-30 16:42:58,796 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:42:58,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-30 16:42:59,002 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 [2024-05-30 16:42:59,003 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:42:59,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:42:59,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1601160274, now seen corresponding path program 2 times [2024-05-30 16:42:59,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:42:59,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772272870] [2024-05-30 16:42:59,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:42:59,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:42:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:43:00,005 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-05-30 16:43:00,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:43:00,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772272870] [2024-05-30 16:43:00,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772272870] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:43:00,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940687651] [2024-05-30 16:43:00,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:43:00,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:43:00,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:43:00,007 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:43:00,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-30 16:43:00,140 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:43:00,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:43:00,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-30 16:43:00,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:43:00,755 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 16 treesize of output 8 [2024-05-30 16:43:00,758 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-05-30 16:43:00,758 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:43:00,977 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-30 16:43:00,977 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 24 treesize of output 11 [2024-05-30 16:43:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-05-30 16:43:02,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940687651] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:43:02,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:43:02,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 15] total 44 [2024-05-30 16:43:02,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497366852] [2024-05-30 16:43:02,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:43:02,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-05-30 16:43:02,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:43:02,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-05-30 16:43:02,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=1630, Unknown=0, NotChecked=0, Total=1892 [2024-05-30 16:43:02,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:02,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:43:02,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 11.340909090909092) internal successors, (499), 44 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:43:02,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:02,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:02,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:02,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:02,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:02,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:02,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:02,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:02,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:02,309 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:43:03,118 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 385 states. [2024-05-30 16:43:03,118 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:43:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:03,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:03,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:03,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:03,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 16:43:03,119 INFO L78 Accepts]: Start accepts. Automaton has currently 388 states, but on-demand construction may add more states Word has length 252 [2024-05-30 16:43:03,120 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:43:03,126 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 16:43:03,320 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 [2024-05-30 16:43:03,321 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:43:03,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:43:03,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1867456737, now seen corresponding path program 1 times [2024-05-30 16:43:03,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:43:03,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705349803] [2024-05-30 16:43:03,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:43:03,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:43:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:43:05,611 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-05-30 16:43:05,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:43:05,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705349803] [2024-05-30 16:43:05,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705349803] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:43:05,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769611235] [2024-05-30 16:43:05,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:43:05,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:43:05,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:43:05,620 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:43:05,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-30 16:43:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:43:05,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 40 conjunts are in the unsatisfiable core [2024-05-30 16:43:05,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:43:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-05-30 16:43:06,664 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:43:06,772 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-30 16:43:06,772 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 25 treesize of output 12 [2024-05-30 16:43:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 1 proven. 65 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-05-30 16:43:08,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769611235] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:43:08,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:43:08,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 20, 20] total 57 [2024-05-30 16:43:08,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090260393] [2024-05-30 16:43:08,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:43:08,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-05-30 16:43:08,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:43:08,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-05-30 16:43:08,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=586, Invalid=2606, Unknown=0, NotChecked=0, Total=3192 [2024-05-30 16:43:08,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:08,007 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:43:08,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 9.333333333333334) internal successors, (532), 57 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:43:08,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:08,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:08,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:08,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:08,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:08,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:08,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:08,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:08,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 16:43:08,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:08,008 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:43:09,286 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:09,286 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:43:09,286 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:09,294 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:09,294 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:09,294 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:09,309 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:09,309 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:09,309 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:09,325 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:09,326 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:09,326 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:09,502 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:09,502 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:43:09,502 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:09,510 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:09,510 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:09,510 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:09,592 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 633 states. [2024-05-30 16:43:09,592 INFO L212 cStratifiedReduction]: Copied states 26 times. [2024-05-30 16:43:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:09,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:09,593 INFO L78 Accepts]: Start accepts. Automaton has currently 722 states, but on-demand construction may add more states Word has length 308 [2024-05-30 16:43:09,594 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:43:09,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-30 16:43:09,800 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,SelfDestructingSolverStorable9 [2024-05-30 16:43:09,801 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:43:09,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:43:09,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1965175886, now seen corresponding path program 2 times [2024-05-30 16:43:09,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:43:09,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52271554] [2024-05-30 16:43:09,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:43:09,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:43:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:43:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 57 proven. 203 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-05-30 16:43:10,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:43:10,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52271554] [2024-05-30 16:43:10,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52271554] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:43:10,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980967835] [2024-05-30 16:43:10,421 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:43:10,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:43:10,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:43:10,435 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:43:10,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-30 16:43:10,668 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:43:10,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:43:10,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-30 16:43:10,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:43:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 110 proven. 40 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-05-30 16:43:11,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:43:11,681 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 15 proven. 135 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-05-30 16:43:11,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980967835] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:43:11,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:43:11,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 15] total 46 [2024-05-30 16:43:11,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039093484] [2024-05-30 16:43:11,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:43:11,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-05-30 16:43:11,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:43:11,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-05-30 16:43:11,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=1856, Unknown=0, NotChecked=0, Total=2070 [2024-05-30 16:43:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:11,688 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:43:11,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 11.565217391304348) internal successors, (532), 46 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:43:11,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:11,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:11,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:11,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:11,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:11,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:11,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:11,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:11,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:11,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:11,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:11,690 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:43:12,864 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:12,864 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:43:12,864 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:12,871 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:12,871 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:12,871 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:12,893 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:12,893 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:12,893 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:12,909 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:12,909 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:12,909 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:13,001 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:13,001 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:43:13,001 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:13,013 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:13,014 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:13,014 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:13,077 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 651 states. [2024-05-30 16:43:13,077 INFO L212 cStratifiedReduction]: Copied states 26 times. [2024-05-30 16:43:13,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:13,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:13,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:13,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:13,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:13,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:13,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:13,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:13,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:13,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:13,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:43:13,078 INFO L78 Accepts]: Start accepts. Automaton has currently 740 states, but on-demand construction may add more states Word has length 324 [2024-05-30 16:43:13,080 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:43:13,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-05-30 16:43:13,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:43:13,286 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:43:13,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:43:13,287 INFO L85 PathProgramCache]: Analyzing trace with hash -4702296, now seen corresponding path program 3 times [2024-05-30 16:43:13,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:43:13,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696207079] [2024-05-30 16:43:13,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:43:13,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:43:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:43:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 93 proven. 223 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-05-30 16:43:14,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:43:14,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696207079] [2024-05-30 16:43:14,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696207079] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:43:14,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31080630] [2024-05-30 16:43:14,034 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 16:43:14,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:43:14,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:43:14,035 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:43:14,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-30 16:43:14,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-05-30 16:43:14,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:43:14,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 36 conjunts are in the unsatisfiable core [2024-05-30 16:43:14,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:43:14,910 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:43:14,911 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 25 treesize of output 18 [2024-05-30 16:43:15,162 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 95 proven. 80 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-05-30 16:43:15,162 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:43:15,468 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-30 16:43:15,468 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 24 treesize of output 11 [2024-05-30 16:43:15,978 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 3 proven. 172 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-05-30 16:43:15,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31080630] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:43:15,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:43:15,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 20, 20] total 58 [2024-05-30 16:43:15,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512156470] [2024-05-30 16:43:15,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:43:15,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-05-30 16:43:15,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:43:15,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-05-30 16:43:15,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=2981, Unknown=0, NotChecked=0, Total=3306 [2024-05-30 16:43:15,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:15,982 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:43:15,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 9.89655172413793) internal successors, (574), 58 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:43:15,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:15,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:15,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:15,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:15,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:15,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:15,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:15,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:15,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:15,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:15,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:43:15,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:15,983 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:43:18,147 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:18,147 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:43:18,147 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:18,154 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:18,154 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:18,154 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:18,174 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:18,175 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:18,175 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:18,198 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:18,198 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:18,198 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:18,565 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:18,565 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:43:18,565 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:18,574 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:18,575 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:18,575 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:18,647 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 710 states. [2024-05-30 16:43:18,647 INFO L212 cStratifiedReduction]: Copied states 25 times. [2024-05-30 16:43:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:43:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 16:43:18,648 INFO L78 Accepts]: Start accepts. Automaton has currently 815 states, but on-demand construction may add more states Word has length 352 [2024-05-30 16:43:18,650 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:43:18,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-05-30 16:43:18,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:43:18,856 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:43:18,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:43:18,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1088438050, now seen corresponding path program 4 times [2024-05-30 16:43:18,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:43:18,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489587137] [2024-05-30 16:43:18,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:43:18,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:43:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:43:19,629 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 145 proven. 293 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-30 16:43:19,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:43:19,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489587137] [2024-05-30 16:43:19,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489587137] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:43:19,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736283065] [2024-05-30 16:43:19,630 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 16:43:19,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:43:19,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:43:19,645 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:43:19,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-30 16:43:19,808 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 16:43:19,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:43:19,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 27 conjunts are in the unsatisfiable core [2024-05-30 16:43:19,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:43:20,655 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 271 proven. 175 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 16:43:20,655 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:43:21,609 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 193 proven. 253 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 16:43:21,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736283065] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:43:21,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:43:21,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 73 [2024-05-30 16:43:21,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199286228] [2024-05-30 16:43:21,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:43:21,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-05-30 16:43:21,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:43:21,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-05-30 16:43:21,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=765, Invalid=4491, Unknown=0, NotChecked=0, Total=5256 [2024-05-30 16:43:21,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:21,613 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:43:21,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 8.58904109589041) internal successors, (627), 73 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:43:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:43:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 16:43:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:21,614 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:43:22,455 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:22,456 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:43:22,456 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:22,462 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:22,463 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:22,463 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:22,477 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:22,477 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:22,477 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:22,493 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:22,493 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:22,493 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:22,591 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:22,591 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:43:22,591 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:22,600 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:22,600 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:22,600 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:22,671 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 719 states. [2024-05-30 16:43:22,671 INFO L212 cStratifiedReduction]: Copied states 25 times. [2024-05-30 16:43:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:43:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 16:43:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:43:22,672 INFO L78 Accepts]: Start accepts. Automaton has currently 824 states, but on-demand construction may add more states Word has length 360 [2024-05-30 16:43:22,674 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:43:22,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-05-30 16:43:22,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-05-30 16:43:22,882 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:43:22,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:43:22,882 INFO L85 PathProgramCache]: Analyzing trace with hash -612474787, now seen corresponding path program 5 times [2024-05-30 16:43:22,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:43:22,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472271501] [2024-05-30 16:43:22,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:43:22,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:43:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:43:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 140 proven. 195 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-05-30 16:43:23,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:43:23,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472271501] [2024-05-30 16:43:23,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472271501] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:43:23,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530151513] [2024-05-30 16:43:23,492 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 16:43:23,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:43:23,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:43:23,509 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:43:23,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-30 16:43:23,841 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-05-30 16:43:23,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:43:23,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 31 conjunts are in the unsatisfiable core [2024-05-30 16:43:23,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:43:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 183 proven. 320 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 16:43:24,896 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:43:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 234 proven. 269 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 16:43:26,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530151513] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:43:26,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:43:26,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 32, 32] total 81 [2024-05-30 16:43:26,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641037098] [2024-05-30 16:43:26,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:43:26,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-05-30 16:43:26,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:43:26,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-05-30 16:43:26,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=949, Invalid=5531, Unknown=0, NotChecked=0, Total=6480 [2024-05-30 16:43:26,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:26,677 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:43:26,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 9.950617283950617) internal successors, (806), 81 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:43:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:26,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:43:26,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 16:43:26,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:43:26,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:26,678 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:43:29,273 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:29,273 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:43:29,273 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:29,280 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:29,280 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:29,280 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:29,295 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:29,295 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:29,295 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:29,310 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:29,310 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:29,310 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:29,396 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:29,397 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:43:29,397 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:29,405 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:43:29,405 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:29,406 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:43:29,476 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 737 states. [2024-05-30 16:43:29,476 INFO L212 cStratifiedReduction]: Copied states 25 times. [2024-05-30 16:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:43:29,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 16:43:29,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:43:29,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:43:29,477 INFO L78 Accepts]: Start accepts. Automaton has currently 842 states, but on-demand construction may add more states Word has length 376 [2024-05-30 16:43:29,479 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:43:29,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-30 16:43:29,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:43:29,685 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:43:29,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:43:29,685 INFO L85 PathProgramCache]: Analyzing trace with hash -978927945, now seen corresponding path program 6 times [2024-05-30 16:43:29,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:43:29,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818646565] [2024-05-30 16:43:29,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:43:29,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:43:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:43:31,126 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 13 proven. 363 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-05-30 16:43:31,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:43:31,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818646565] [2024-05-30 16:43:31,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818646565] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:43:31,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979104006] [2024-05-30 16:43:31,126 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-30 16:43:31,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:43:31,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:43:31,127 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:43:31,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-30 16:43:32,213 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-05-30 16:43:32,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:43:32,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 20 conjunts are in the unsatisfiable core [2024-05-30 16:43:32,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:43:32,772 INFO L349 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2024-05-30 16:43:32,772 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 34 treesize of output 13 [2024-05-30 16:43:32,809 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 101 proven. 106 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2024-05-30 16:43:32,809 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:43:33,211 INFO L349 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2024-05-30 16:43:33,211 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 37 treesize of output 19 [2024-05-30 16:43:34,069 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 3 proven. 268 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2024-05-30 16:43:34,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979104006] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:43:34,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:43:34,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 9, 16] total 54 [2024-05-30 16:43:34,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105967417] [2024-05-30 16:43:34,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:43:34,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-05-30 16:43:34,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:43:34,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-05-30 16:43:34,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=2601, Unknown=0, NotChecked=0, Total=2862 [2024-05-30 16:43:34,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:34,072 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:43:34,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 12.796296296296296) internal successors, (691), 54 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:43:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:43:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 16:43:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:43:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:43:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:34,073 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:43:36,051 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 660 states. [2024-05-30 16:43:36,051 INFO L212 cStratifiedReduction]: Copied states 1 times. [2024-05-30 16:43:36,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:36,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:36,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:36,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:36,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:36,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:36,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:36,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:36,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:36,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:36,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:43:36,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 16:43:36,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:43:36,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:43:36,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:43:36,052 INFO L78 Accepts]: Start accepts. Automaton has currently 702 states, but on-demand construction may add more states Word has length 396 [2024-05-30 16:43:36,055 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:43:36,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-05-30 16:43:36,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-30 16:43:36,261 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:43:36,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:43:36,262 INFO L85 PathProgramCache]: Analyzing trace with hash 271839368, now seen corresponding path program 7 times [2024-05-30 16:43:36,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:43:36,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250299110] [2024-05-30 16:43:36,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:43:36,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:43:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:43:37,318 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 335 proven. 314 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-05-30 16:43:37,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:43:37,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250299110] [2024-05-30 16:43:37,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250299110] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:43:37,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122596996] [2024-05-30 16:43:37,319 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-30 16:43:37,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:43:37,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:43:37,325 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:43:37,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-30 16:43:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:43:37,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 33 conjunts are in the unsatisfiable core [2024-05-30 16:43:37,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:43:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 352 proven. 297 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-05-30 16:43:38,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:43:39,693 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 295 proven. 354 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-05-30 16:43:39,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122596996] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:43:39,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:43:39,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 91 [2024-05-30 16:43:39,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430310985] [2024-05-30 16:43:39,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:43:39,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-05-30 16:43:39,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:43:39,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-05-30 16:43:39,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1237, Invalid=6953, Unknown=0, NotChecked=0, Total=8190 [2024-05-30 16:43:39,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:39,698 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:43:39,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 7.802197802197802) internal successors, (710), 91 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:43:39,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:39,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:39,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:39,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:39,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:39,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:39,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:39,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:39,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:39,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:39,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:43:39,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 16:43:39,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:43:39,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:43:39,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:43:39,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:39,699 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:43:40,733 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 669 states. [2024-05-30 16:43:40,733 INFO L212 cStratifiedReduction]: Copied states 1 times. [2024-05-30 16:43:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:43:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 16:43:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:43:40,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:43:40,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:43:40,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:43:40,734 INFO L78 Accepts]: Start accepts. Automaton has currently 711 states, but on-demand construction may add more states Word has length 404 [2024-05-30 16:43:40,736 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:43:40,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-30 16:43:40,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-30 16:43:40,942 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:43:40,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:43:40,943 INFO L85 PathProgramCache]: Analyzing trace with hash 301032771, now seen corresponding path program 8 times [2024-05-30 16:43:40,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:43:40,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941772812] [2024-05-30 16:43:40,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:43:40,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:43:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:43:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 20 proven. 471 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-05-30 16:43:42,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:43:42,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941772812] [2024-05-30 16:43:42,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941772812] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:43:42,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177513479] [2024-05-30 16:43:42,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:43:42,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:43:42,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:43:42,571 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:43:42,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-30 16:43:42,768 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:43:42,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:43:42,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 58 conjunts are in the unsatisfiable core [2024-05-30 16:43:42,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:43:44,064 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 26 treesize of output 8 [2024-05-30 16:43:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 1 proven. 490 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-05-30 16:43:44,206 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:43:44,671 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-30 16:43:44,671 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 25 treesize of output 13 [2024-05-30 16:43:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 6 proven. 485 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-05-30 16:43:46,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177513479] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:43:46,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:43:46,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 31, 31] total 92 [2024-05-30 16:43:46,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504924182] [2024-05-30 16:43:46,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:43:46,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-05-30 16:43:46,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:43:46,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-05-30 16:43:46,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1181, Invalid=7191, Unknown=0, NotChecked=0, Total=8372 [2024-05-30 16:43:46,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:46,259 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:43:46,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 8.641304347826088) internal successors, (795), 92 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:43:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:43:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 16:43:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:43:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:43:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:43:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:43:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:46,260 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:43:48,605 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 709 states. [2024-05-30 16:43:48,605 INFO L212 cStratifiedReduction]: Copied states 1 times. [2024-05-30 16:43:48,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:48,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:48,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:48,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:48,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:48,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:48,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:48,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:48,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:48,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:48,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:43:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 16:43:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:43:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:43:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:43:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:43:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:43:48,606 INFO L78 Accepts]: Start accepts. Automaton has currently 755 states, but on-demand construction may add more states Word has length 424 [2024-05-30 16:43:48,609 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:43:48,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-05-30 16:43:48,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-30 16:43:48,815 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:43:48,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:43:48,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1653318270, now seen corresponding path program 9 times [2024-05-30 16:43:48,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:43:48,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634223653] [2024-05-30 16:43:48,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:43:48,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:43:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:43:50,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 430 proven. 389 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-05-30 16:43:50,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:43:50,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634223653] [2024-05-30 16:43:50,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634223653] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:43:50,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332975015] [2024-05-30 16:43:50,027 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 16:43:50,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:43:50,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:43:50,029 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:43:50,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-30 16:43:51,675 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-05-30 16:43:51,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:43:51,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 42 conjunts are in the unsatisfiable core [2024-05-30 16:43:51,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:43:52,966 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:43:52,967 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 44 [2024-05-30 16:43:53,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 237 proven. 380 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-05-30 16:43:53,262 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:43:54,187 INFO L349 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2024-05-30 16:43:54,187 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 27 [2024-05-30 16:43:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 30 proven. 587 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-05-30 16:43:54,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332975015] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:43:54,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:43:54,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 34, 34] total 98 [2024-05-30 16:43:54,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164193025] [2024-05-30 16:43:54,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:43:54,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-05-30 16:43:54,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:43:54,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-05-30 16:43:54,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=893, Invalid=8613, Unknown=0, NotChecked=0, Total=9506 [2024-05-30 16:43:54,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:54,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:43:54,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 8.13265306122449) internal successors, (797), 98 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:43:54,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:54,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:54,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:43:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 16:43:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:43:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:43:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:43:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:43:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:43:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:54,999 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:43:58,050 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 727 states. [2024-05-30 16:43:58,050 INFO L212 cStratifiedReduction]: Copied states 1 times. [2024-05-30 16:43:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:43:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:43:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:43:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:43:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:43:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:43:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:43:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:43:58,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:43:58,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 16:43:58,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:43:58,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:43:58,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:43:58,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:43:58,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:43:58,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-05-30 16:43:58,051 INFO L78 Accepts]: Start accepts. Automaton has currently 773 states, but on-demand construction may add more states Word has length 440 [2024-05-30 16:43:58,055 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:43:58,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-30 16:43:58,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-30 16:43:58,263 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:43:58,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:43:58,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1832596444, now seen corresponding path program 10 times [2024-05-30 16:43:58,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:43:58,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419151668] [2024-05-30 16:43:58,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:43:58,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:43:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:44:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 315 proven. 589 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-05-30 16:44:01,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:44:01,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419151668] [2024-05-30 16:44:01,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419151668] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:44:01,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262005363] [2024-05-30 16:44:01,817 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 16:44:01,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:44:01,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:44:01,818 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:44:01,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-30 16:44:02,041 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 16:44:02,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:44:02,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 37 conjunts are in the unsatisfiable core [2024-05-30 16:44:02,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:44:02,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 3 proven. 341 refuted. 0 times theorem prover too weak. 857 trivial. 0 not checked. [2024-05-30 16:44:02,612 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:44:02,776 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-30 16:44:02,776 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 26 treesize of output 14 [2024-05-30 16:44:03,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 3 proven. 341 refuted. 0 times theorem prover too weak. 857 trivial. 0 not checked. [2024-05-30 16:44:03,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262005363] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:44:03,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:44:03,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 10, 10] total 63 [2024-05-30 16:44:03,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237417239] [2024-05-30 16:44:03,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:44:03,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-05-30 16:44:03,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:44:03,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-05-30 16:44:03,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=3549, Unknown=0, NotChecked=0, Total=3906 [2024-05-30 16:44:03,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:03,069 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:44:03,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 9.634920634920634) internal successors, (607), 63 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-05-30 16:44:03,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:03,070 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:44:05,492 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:44:05,492 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:44:05,492 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:05,510 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:44:05,510 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:05,510 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:05,530 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:44:05,530 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:05,530 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:05,568 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:44:05,568 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:05,568 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:05,588 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:44:05,588 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:05,588 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:05,621 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:44:05,621 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:05,621 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:05,717 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 852 states. [2024-05-30 16:44:05,717 INFO L212 cStratifiedReduction]: Copied states 16 times. [2024-05-30 16:44:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:44:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:44:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:44:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:44:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:44:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:44:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:05,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:44:05,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:05,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:44:05,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:44:05,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:44:05,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-05-30 16:44:05,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:44:05,719 INFO L78 Accepts]: Start accepts. Automaton has currently 979 states, but on-demand construction may add more states Word has length 454 [2024-05-30 16:44:05,723 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:44:05,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-05-30 16:44:05,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:44:05,928 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:44:05,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:44:05,928 INFO L85 PathProgramCache]: Analyzing trace with hash 670129200, now seen corresponding path program 11 times [2024-05-30 16:44:05,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:44:05,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976501918] [2024-05-30 16:44:05,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:44:05,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:44:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:44:09,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 368 proven. 686 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-05-30 16:44:09,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:44:09,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976501918] [2024-05-30 16:44:09,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976501918] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:44:09,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722036269] [2024-05-30 16:44:09,515 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 16:44:09,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:44:09,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:44:09,516 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:44:09,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-30 16:44:11,444 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-05-30 16:44:11,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:44:11,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 70 conjunts are in the unsatisfiable core [2024-05-30 16:44:11,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:44:13,608 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-05-30 16:44:13,609 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 24 treesize of output 7 [2024-05-30 16:44:13,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 0 proven. 779 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-05-30 16:44:13,681 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:44:14,340 INFO L349 Elim1Store]: treesize reduction 23, result has 76.3 percent of original size [2024-05-30 16:44:14,340 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 86 [2024-05-30 16:44:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 0 proven. 461 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2024-05-30 16:44:14,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722036269] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:44:14,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:44:14,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 32, 12] total 92 [2024-05-30 16:44:14,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115799127] [2024-05-30 16:44:14,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:44:14,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-05-30 16:44:14,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:44:14,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-05-30 16:44:14,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=494, Invalid=7878, Unknown=0, NotChecked=0, Total=8372 [2024-05-30 16:44:14,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:14,869 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:44:14,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 8.358695652173912) internal successors, (769), 92 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:44:14,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:44:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:14,870 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:44:19,442 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 834 states. [2024-05-30 16:44:19,442 INFO L212 cStratifiedReduction]: Copied states 2 times. [2024-05-30 16:44:19,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:19,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:44:19,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:19,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:19,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:19,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:44:19,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:44:19,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:19,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:44:19,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:44:19,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:44:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:44:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:44:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:44:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:44:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-05-30 16:44:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:44:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:44:19,443 INFO L78 Accepts]: Start accepts. Automaton has currently 893 states, but on-demand construction may add more states Word has length 491 [2024-05-30 16:44:19,447 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:44:19,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-05-30 16:44:19,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:44:19,656 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:44:19,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:44:19,657 INFO L85 PathProgramCache]: Analyzing trace with hash -709552177, now seen corresponding path program 12 times [2024-05-30 16:44:19,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:44:19,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818845503] [2024-05-30 16:44:19,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:44:19,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:44:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:44:20,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1700 backedges. 426 proven. 572 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2024-05-30 16:44:20,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:44:20,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818845503] [2024-05-30 16:44:20,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818845503] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:44:20,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163158184] [2024-05-30 16:44:20,719 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-30 16:44:20,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:44:20,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:44:20,720 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:44:20,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-05-30 16:44:27,084 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-05-30 16:44:27,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:44:27,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-30 16:44:27,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:44:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1700 backedges. 0 proven. 724 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2024-05-30 16:44:28,606 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:44:29,343 INFO L349 Elim1Store]: treesize reduction 23, result has 76.3 percent of original size [2024-05-30 16:44:29,344 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 86 [2024-05-30 16:44:29,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1700 backedges. 0 proven. 724 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2024-05-30 16:44:29,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163158184] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:44:29,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:44:29,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 16, 16] total 57 [2024-05-30 16:44:29,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185312378] [2024-05-30 16:44:29,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:44:29,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-05-30 16:44:29,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:44:29,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-05-30 16:44:29,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=2951, Unknown=0, NotChecked=0, Total=3192 [2024-05-30 16:44:29,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:29,994 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:44:29,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 12.789473684210526) internal successors, (729), 57 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:44:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:44:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:44:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:44:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:44:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:44:29,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:44:29,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:29,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:44:29,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:29,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:44:29,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:44:29,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:44:29,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-05-30 16:44:29,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:44:29,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:44:29,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:29,995 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:44:32,175 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:44:32,175 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:44:32,175 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:32,189 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:44:32,189 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:32,189 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:32,249 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 890 states. [2024-05-30 16:44:32,249 INFO L212 cStratifiedReduction]: Copied states 11 times. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:44:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:44:32,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-05-30 16:44:32,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:44:32,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:44:32,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:44:32,250 INFO L78 Accepts]: Start accepts. Automaton has currently 954 states, but on-demand construction may add more states Word has length 516 [2024-05-30 16:44:32,254 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:44:32,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-05-30 16:44:32,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-05-30 16:44:32,463 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:44:32,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:44:32,463 INFO L85 PathProgramCache]: Analyzing trace with hash -96766614, now seen corresponding path program 13 times [2024-05-30 16:44:32,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:44:32,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805855141] [2024-05-30 16:44:32,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:44:32,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:44:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:44:33,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1927 backedges. 546 proven. 679 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2024-05-30 16:44:33,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:44:33,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805855141] [2024-05-30 16:44:33,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805855141] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:44:33,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992660909] [2024-05-30 16:44:33,540 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-30 16:44:33,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:44:33,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:44:33,541 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:44:33,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-05-30 16:44:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:44:33,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 45 conjunts are in the unsatisfiable core [2024-05-30 16:44:33,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:44:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1927 backedges. 916 proven. 637 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2024-05-30 16:44:35,447 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:44:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1927 backedges. 756 proven. 797 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2024-05-30 16:44:36,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992660909] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:44:36,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:44:36,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 45, 45] total 121 [2024-05-30 16:44:36,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142854853] [2024-05-30 16:44:36,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:44:36,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2024-05-30 16:44:36,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:44:36,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2024-05-30 16:44:36,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1630, Invalid=12890, Unknown=0, NotChecked=0, Total=14520 [2024-05-30 16:44:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:36,834 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:44:36,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 8.62809917355372) internal successors, (1044), 121 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:44:36,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:44:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:36,835 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:44:40,063 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:44:40,063 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:44:40,063 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:40,078 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:44:40,078 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:40,078 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:40,110 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 908 states. [2024-05-30 16:44:40,110 INFO L212 cStratifiedReduction]: Copied states 11 times. [2024-05-30 16:44:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:44:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:44:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:44:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:44:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:44:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:44:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:40,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:44:40,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:40,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:44:40,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:44:40,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:44:40,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-05-30 16:44:40,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:44:40,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:44:40,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:44:40,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:44:40,111 INFO L78 Accepts]: Start accepts. Automaton has currently 972 states, but on-demand construction may add more states Word has length 532 [2024-05-30 16:44:40,116 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:44:40,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-05-30 16:44:40,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:44:40,322 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:44:40,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:44:40,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1290091716, now seen corresponding path program 14 times [2024-05-30 16:44:40,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:44:40,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689606724] [2024-05-30 16:44:40,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:44:40,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:44:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:44:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 889 proven. 769 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2024-05-30 16:44:42,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:44:42,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689606724] [2024-05-30 16:44:42,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689606724] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:44:42,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685624336] [2024-05-30 16:44:42,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:44:42,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:44:42,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:44:42,029 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:44:42,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-05-30 16:44:42,330 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:44:42,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:44:42,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 48 conjunts are in the unsatisfiable core [2024-05-30 16:44:42,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:44:44,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 916 proven. 742 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2024-05-30 16:44:44,044 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:44:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 824 proven. 834 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2024-05-30 16:44:46,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685624336] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:44:46,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:44:46,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 136 [2024-05-30 16:44:46,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045255581] [2024-05-30 16:44:46,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:44:46,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2024-05-30 16:44:46,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:44:46,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2024-05-30 16:44:46,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2677, Invalid=15683, Unknown=0, NotChecked=0, Total=18360 [2024-05-30 16:44:46,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:46,268 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:44:46,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 7.514705882352941) internal successors, (1022), 136 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:44:46,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:46,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:44:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-05-30 16:44:46,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:44:46,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:44:46,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:44:46,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:44:46,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:46,271 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:44:48,231 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:44:48,231 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:44:48,231 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:48,245 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:44:48,245 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:48,245 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:44:48,267 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 917 states. [2024-05-30 16:44:48,267 INFO L212 cStratifiedReduction]: Copied states 11 times. [2024-05-30 16:44:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:44:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:44:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:44:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:44:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:44:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:44:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:44:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:44:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:44:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:44:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:44:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:44:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:44:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:44:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-05-30 16:44:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:44:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:44:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:44:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:44:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:44:48,268 INFO L78 Accepts]: Start accepts. Automaton has currently 981 states, but on-demand construction may add more states Word has length 540 [2024-05-30 16:44:48,272 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:44:48,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-05-30 16:44:48,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-05-30 16:44:48,476 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:44:48,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:44:48,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1126885761, now seen corresponding path program 15 times [2024-05-30 16:44:48,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:44:48,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247628333] [2024-05-30 16:44:48,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:44:48,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:44:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:44:51,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2226 backedges. 263 proven. 1425 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2024-05-30 16:44:51,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:44:51,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247628333] [2024-05-30 16:44:51,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247628333] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:44:51,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257529314] [2024-05-30 16:44:51,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 16:44:51,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:44:51,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:44:51,893 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:44:51,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-05-30 16:44:55,404 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-05-30 16:44:55,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:44:55,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 58 conjunts are in the unsatisfiable core [2024-05-30 16:44:55,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:44:57,716 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:44:57,717 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 6 new quantified variables, introduced 15 case distinctions, treesize of input 77 treesize of output 74 [2024-05-30 16:44:58,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2226 backedges. 586 proven. 582 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-05-30 16:44:58,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:45:00,078 INFO L349 Elim1Store]: treesize reduction 25, result has 49.0 percent of original size [2024-05-30 16:45:00,078 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 6 new quantified variables, introduced 15 case distinctions, treesize of input 72 treesize of output 43 [2024-05-30 16:45:01,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2226 backedges. 48 proven. 1120 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-05-30 16:45:01,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257529314] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:45:01,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:45:01,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 45, 45] total 142 [2024-05-30 16:45:01,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622401914] [2024-05-30 16:45:01,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:45:01,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2024-05-30 16:45:01,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:45:01,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2024-05-30 16:45:01,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1937, Invalid=18085, Unknown=0, NotChecked=0, Total=20022 [2024-05-30 16:45:01,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:45:01,282 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:45:01,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 6.669014084507042) internal successors, (947), 142 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:45:01,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:45:01,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:45:01,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:45:01,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:45:01,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:45:01,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:45:01,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:45:01,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:45:01,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:45:01,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:45:01,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:45:01,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:45:01,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:45:01,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:45:01,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:45:01,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:45:01,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:45:01,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-05-30 16:45:01,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:45:01,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:45:01,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:45:01,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:45:01,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:45:01,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:45:01,284 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:45:07,781 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1132 states. [2024-05-30 16:45:07,781 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:45:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:45:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:45:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:45:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:45:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:45:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:45:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:45:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:45:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:45:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:45:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-05-30 16:45:07,782 INFO L78 Accepts]: Start accepts. Automaton has currently 1235 states, but on-demand construction may add more states Word has length 637 [2024-05-30 16:45:07,788 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:45:07,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-05-30 16:45:07,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:45:07,998 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:45:07,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:45:07,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1381773232, now seen corresponding path program 16 times [2024-05-30 16:45:07,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:45:07,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184968281] [2024-05-30 16:45:07,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:45:07,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:45:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:45:10,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3644 backedges. 1145 proven. 1795 refuted. 0 times theorem prover too weak. 704 trivial. 0 not checked. [2024-05-30 16:45:10,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:45:10,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184968281] [2024-05-30 16:45:10,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184968281] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:45:10,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610150905] [2024-05-30 16:45:10,278 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 16:45:10,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:45:10,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:45:10,279 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:45:10,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-05-30 16:45:10,604 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 16:45:10,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:45:10,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 51 conjunts are in the unsatisfiable core [2024-05-30 16:45:10,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:45:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3644 backedges. 2039 proven. 855 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2024-05-30 16:45:12,723 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:45:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3644 backedges. 1856 proven. 1038 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2024-05-30 16:45:15,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610150905] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:45:15,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:45:15,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 145 [2024-05-30 16:45:15,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210231889] [2024-05-30 16:45:15,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:45:15,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-05-30 16:45:15,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:45:15,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-05-30 16:45:15,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2797, Invalid=18083, Unknown=0, NotChecked=0, Total=20880 [2024-05-30 16:45:15,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:45:15,196 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:45:15,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 7.696551724137931) internal successors, (1116), 145 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:45:15,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:45:15,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:45:15,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:45:15,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:45:15,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:45:15,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:45:15,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:45:15,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:45:15,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:45:15,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:45:15,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:45:15,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:45:15,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:45:15,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:45:15,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:45:15,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:45:15,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:45:15,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:45:15,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:45:15,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:45:15,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:45:15,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:45:15,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:45:15,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-05-30 16:45:15,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:45:15,199 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:45:16,846 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1141 states. [2024-05-30 16:45:16,847 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-05-30 16:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:45:16,849 INFO L78 Accepts]: Start accepts. Automaton has currently 1244 states, but on-demand construction may add more states Word has length 645 [2024-05-30 16:45:16,854 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:45:16,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-05-30 16:45:17,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-05-30 16:45:17,061 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:45:17,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:45:17,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1846189141, now seen corresponding path program 17 times [2024-05-30 16:45:17,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:45:17,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66959314] [2024-05-30 16:45:17,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:45:17,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:45:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:45:19,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3765 backedges. 1301 proven. 1811 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2024-05-30 16:45:19,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:45:19,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66959314] [2024-05-30 16:45:19,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66959314] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:45:19,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326456393] [2024-05-30 16:45:19,465 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 16:45:19,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:45:19,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:45:19,466 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:45:19,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-05-30 16:45:39,382 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-05-30 16:45:39,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:45:39,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 1337 conjuncts, 60 conjunts are in the unsatisfiable core [2024-05-30 16:45:39,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:45:42,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3765 backedges. 1785 proven. 1433 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2024-05-30 16:45:42,491 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:45:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3765 backedges. 2130 proven. 1088 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2024-05-30 16:45:45,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326456393] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:45:45,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:45:45,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 61, 60] total 171 [2024-05-30 16:45:45,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958607241] [2024-05-30 16:45:45,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:45:45,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 171 states [2024-05-30 16:45:45,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:45:45,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2024-05-30 16:45:45,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5451, Invalid=23619, Unknown=0, NotChecked=0, Total=29070 [2024-05-30 16:45:45,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:45:45,676 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:45:45,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 171 states, 171 states have (on average 8.491228070175438) internal successors, (1452), 171 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:45:45,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:45:45,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:45:45,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-05-30 16:45:45,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:45:45,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:45:45,678 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:45:50,087 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1185 states. [2024-05-30 16:45:50,087 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:45:50,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:45:50,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:45:50,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-05-30 16:45:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:45:50,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-05-30 16:45:50,089 INFO L78 Accepts]: Start accepts. Automaton has currently 1288 states, but on-demand construction may add more states Word has length 693 [2024-05-30 16:45:50,095 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:45:50,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-05-30 16:45:50,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-05-30 16:45:50,309 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:45:50,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:45:50,309 INFO L85 PathProgramCache]: Analyzing trace with hash 758550323, now seen corresponding path program 18 times [2024-05-30 16:45:50,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:45:50,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271060426] [2024-05-30 16:45:50,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:45:50,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:45:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:45:52,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4659 backedges. 578 proven. 1903 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2024-05-30 16:45:52,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:45:52,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271060426] [2024-05-30 16:45:52,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271060426] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:45:52,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531799162] [2024-05-30 16:45:52,186 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-30 16:45:52,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:45:52,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:45:52,217 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:45:52,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-05-30 16:49:36,631 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2024-05-30 16:49:36,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:49:36,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 108 conjunts are in the unsatisfiable core [2024-05-30 16:49:36,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:49:38,920 INFO L349 Elim1Store]: treesize reduction 106, result has 2.8 percent of original size [2024-05-30 16:49:38,920 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 6 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 22 [2024-05-30 16:49:38,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4659 backedges. 699 proven. 1101 refuted. 0 times theorem prover too weak. 2859 trivial. 0 not checked. [2024-05-30 16:49:38,944 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:49:39,773 INFO L349 Elim1Store]: treesize reduction 48, result has 30.4 percent of original size [2024-05-30 16:49:39,774 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 64 treesize of output 41 [2024-05-30 16:49:41,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4659 backedges. 26 proven. 2220 refuted. 0 times theorem prover too weak. 2413 trivial. 0 not checked. [2024-05-30 16:49:41,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531799162] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:49:41,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:49:41,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 24, 41] total 103 [2024-05-30 16:49:41,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423932041] [2024-05-30 16:49:41,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:49:41,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-05-30 16:49:41,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:49:41,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-05-30 16:49:41,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1549, Invalid=8957, Unknown=0, NotChecked=0, Total=10506 [2024-05-30 16:49:41,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:49:41,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:49:41,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 10.116504854368932) internal successors, (1042), 103 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:49:41,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-05-30 16:49:41,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:49:41,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-05-30 16:49:41,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:49:41,786 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:49:48,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-30 16:49:50,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-30 16:49:53,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-30 16:49:55,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-30 16:49:57,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-30 16:49:59,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-30 16:50:00,890 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:50:00,891 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:00,891 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:00,917 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:50:00,917 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:00,917 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:00,950 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:50:00,950 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:00,950 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:01,216 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1363 states. [2024-05-30 16:50:01,216 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:50:01,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:50:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:50:01,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:50:01,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-05-30 16:50:01,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:50:01,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-05-30 16:50:01,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-30 16:50:01,218 INFO L78 Accepts]: Start accepts. Automaton has currently 1599 states, but on-demand construction may add more states Word has length 725 [2024-05-30 16:50:01,224 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:50:01,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-05-30 16:50:01,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:50:01,448 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:50:01,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:50:01,449 INFO L85 PathProgramCache]: Analyzing trace with hash -684973918, now seen corresponding path program 19 times [2024-05-30 16:50:01,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:50:01,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280904743] [2024-05-30 16:50:01,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:50:01,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:50:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:50:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 5263 backedges. 1115 proven. 1886 refuted. 0 times theorem prover too weak. 2262 trivial. 0 not checked. [2024-05-30 16:50:03,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:50:03,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280904743] [2024-05-30 16:50:03,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280904743] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:50:03,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763275167] [2024-05-30 16:50:03,596 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-30 16:50:03,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:50:03,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:50:03,620 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:50:03,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-05-30 16:50:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:50:03,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 1486 conjuncts, 45 conjunts are in the unsatisfiable core [2024-05-30 16:50:03,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:50:05,434 INFO L134 CoverageAnalysis]: Checked inductivity of 5263 backedges. 2501 proven. 637 refuted. 0 times theorem prover too weak. 2125 trivial. 0 not checked. [2024-05-30 16:50:05,434 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:50:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 5263 backedges. 1759 proven. 1379 refuted. 0 times theorem prover too weak. 2125 trivial. 0 not checked. [2024-05-30 16:50:06,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763275167] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:50:06,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:50:06,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 45, 45] total 128 [2024-05-30 16:50:06,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010247085] [2024-05-30 16:50:06,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:50:06,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-05-30 16:50:06,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:50:06,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-05-30 16:50:06,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2373, Invalid=13883, Unknown=0, NotChecked=0, Total=16256 [2024-05-30 16:50:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:50:06,870 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:50:06,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 8.328125) internal successors, (1066), 128 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:50:06,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:50:06,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:50:06,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:50:06,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:50:06,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-30 16:50:06,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:50:06,872 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:50:08,695 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:50:08,695 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:08,695 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:08,722 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:50:08,722 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:08,722 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:08,748 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:50:08,749 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:08,749 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:08,882 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1372 states. [2024-05-30 16:50:08,883 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:50:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:50:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:50:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:50:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:50:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:50:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:50:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:50:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-05-30 16:50:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:50:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-05-30 16:50:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-30 16:50:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:50:08,884 INFO L78 Accepts]: Start accepts. Automaton has currently 1608 states, but on-demand construction may add more states Word has length 733 [2024-05-30 16:50:08,891 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:50:08,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-05-30 16:50:09,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-05-30 16:50:09,098 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:50:09,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:50:09,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1020097507, now seen corresponding path program 20 times [2024-05-30 16:50:09,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:50:09,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544746862] [2024-05-30 16:50:09,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:50:09,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:50:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:50:11,175 INFO L134 CoverageAnalysis]: Checked inductivity of 5368 backedges. 1115 proven. 1991 refuted. 0 times theorem prover too weak. 2262 trivial. 0 not checked. [2024-05-30 16:50:11,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:50:11,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544746862] [2024-05-30 16:50:11,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544746862] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:50:11,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121992237] [2024-05-30 16:50:11,176 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:50:11,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:50:11,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:50:11,177 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:50:11,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-05-30 16:50:11,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:50:11,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:50:11,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 1500 conjuncts, 48 conjunts are in the unsatisfiable core [2024-05-30 16:50:11,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:50:13,124 INFO L134 CoverageAnalysis]: Checked inductivity of 5368 backedges. 2554 proven. 742 refuted. 0 times theorem prover too weak. 2072 trivial. 0 not checked. [2024-05-30 16:50:13,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:50:15,115 INFO L134 CoverageAnalysis]: Checked inductivity of 5368 backedges. 1742 proven. 1554 refuted. 0 times theorem prover too weak. 2072 trivial. 0 not checked. [2024-05-30 16:50:15,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121992237] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:50:15,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:50:15,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 136 [2024-05-30 16:50:15,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754328172] [2024-05-30 16:50:15,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:50:15,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2024-05-30 16:50:15,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:50:15,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2024-05-30 16:50:15,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2677, Invalid=15683, Unknown=0, NotChecked=0, Total=18360 [2024-05-30 16:50:15,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:50:15,120 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:50:15,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 8.264705882352942) internal successors, (1124), 136 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:50:15,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:50:15,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:50:15,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:50:15,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:50:15,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:50:15,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:50:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-05-30 16:50:15,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-30 16:50:15,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:50:15,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:50:15,123 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:50:17,163 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:50:17,163 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:17,163 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:17,190 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:50:17,190 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:17,190 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:17,216 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:50:17,216 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:17,216 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:50:17,458 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1381 states. [2024-05-30 16:50:17,458 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:50:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:50:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:50:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:50:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:50:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:50:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:50:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:50:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:50:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:50:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:50:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:50:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:50:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:50:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:50:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:50:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:50:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:50:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:50:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:50:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:50:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:50:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:50:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:50:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-05-30 16:50:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:50:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-05-30 16:50:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-30 16:50:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:50:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:50:17,459 INFO L78 Accepts]: Start accepts. Automaton has currently 1617 states, but on-demand construction may add more states Word has length 741 [2024-05-30 16:50:17,466 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:50:17,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-05-30 16:50:17,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-05-30 16:50:17,677 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:50:17,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:50:17,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1187771940, now seen corresponding path program 21 times [2024-05-30 16:50:17,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:50:17,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082265709] [2024-05-30 16:50:17,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:50:17,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:50:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:50:20,166 INFO L134 CoverageAnalysis]: Checked inductivity of 5481 backedges. 1277 proven. 2024 refuted. 0 times theorem prover too weak. 2180 trivial. 0 not checked. [2024-05-30 16:50:20,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:50:20,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082265709] [2024-05-30 16:50:20,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082265709] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:50:20,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574611035] [2024-05-30 16:50:20,167 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 16:50:20,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:50:20,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:50:20,169 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:50:20,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-05-30 16:50:55,429 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2024-05-30 16:50:55,429 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:50:55,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 106 conjunts are in the unsatisfiable core [2024-05-30 16:50:55,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:50:58,992 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:50:58,992 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 40 [2024-05-30 16:50:59,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5481 backedges. 1730 proven. 1403 refuted. 0 times theorem prover too weak. 2348 trivial. 0 not checked. [2024-05-30 16:50:59,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:51:00,001 INFO L349 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2024-05-30 16:51:00,002 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 27 [2024-05-30 16:51:01,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5481 backedges. 14 proven. 3119 refuted. 0 times theorem prover too weak. 2348 trivial. 0 not checked. [2024-05-30 16:51:01,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574611035] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:51:01,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:51:01,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 58, 58] total 158 [2024-05-30 16:51:01,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635406588] [2024-05-30 16:51:01,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:51:01,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 158 states [2024-05-30 16:51:01,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:51:01,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2024-05-30 16:51:01,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3283, Invalid=21523, Unknown=0, NotChecked=0, Total=24806 [2024-05-30 16:51:01,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:51:01,736 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:51:01,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 158 states, 158 states have (on average 7.2594936708860756) internal successors, (1147), 158 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:51:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:51:01,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:51:01,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:51:01,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:51:01,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-05-30 16:51:01,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:51:01,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-05-30 16:51:01,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-30 16:51:01,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:51:01,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:51:01,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:51:01,738 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:51:05,864 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:51:05,864 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:51:05,864 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:51:05,921 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:51:05,921 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:51:05,921 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:51:05,967 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:51:05,967 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:51:05,967 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:51:07,621 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1454 states. [2024-05-30 16:51:07,622 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:51:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:51:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:51:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:51:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:51:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:51:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:51:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-05-30 16:51:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:51:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-05-30 16:51:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-30 16:51:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:51:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:51:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-05-30 16:51:07,623 INFO L78 Accepts]: Start accepts. Automaton has currently 1698 states, but on-demand construction may add more states Word has length 773 [2024-05-30 16:51:07,631 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:51:07,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-05-30 16:51:07,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:51:07,844 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:51:07,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:51:07,845 INFO L85 PathProgramCache]: Analyzing trace with hash -470958683, now seen corresponding path program 22 times [2024-05-30 16:51:07,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:51:07,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349963183] [2024-05-30 16:51:07,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:51:07,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:51:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:51:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6132 backedges. 1457 proven. 2413 refuted. 0 times theorem prover too weak. 2262 trivial. 0 not checked. [2024-05-30 16:51:10,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:51:10,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349963183] [2024-05-30 16:51:10,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349963183] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:51:10,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523893415] [2024-05-30 16:51:10,624 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 16:51:10,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:51:10,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:51:10,625 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:51:10,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-05-30 16:51:11,013 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 16:51:11,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:51:11,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 1442 conjuncts, 72 conjunts are in the unsatisfiable core [2024-05-30 16:51:11,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:51:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6132 backedges. 3190 proven. 1870 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2024-05-30 16:51:14,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:51:18,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6132 backedges. 2928 proven. 2132 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2024-05-30 16:51:18,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523893415] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:51:18,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:51:18,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 72, 72] total 193 [2024-05-30 16:51:18,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203046497] [2024-05-30 16:51:18,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:51:18,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 193 states [2024-05-30 16:51:18,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:51:18,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2024-05-30 16:51:18,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4147, Invalid=32909, Unknown=0, NotChecked=0, Total=37056 [2024-05-30 16:51:18,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:51:18,411 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:51:18,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 193 states, 193 states have (on average 7.766839378238342) internal successors, (1499), 193 states have internal predecessors, (1499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:51:18,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:51:18,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-05-30 16:51:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:51:18,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-05-30 16:51:18,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-30 16:51:18,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:51:18,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:51:18,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-05-30 16:51:18,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:51:18,413 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:51:24,771 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:51:24,772 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:51:24,772 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:51:24,798 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:51:24,798 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:51:24,798 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:51:24,827 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:51:24,827 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:51:24,827 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:51:25,024 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1482 states. [2024-05-30 16:51:25,024 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:51:25,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:51:25,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:51:25,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:51:25,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:51:25,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-30 16:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:51:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:51:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-05-30 16:51:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2024-05-30 16:51:25,026 INFO L78 Accepts]: Start accepts. Automaton has currently 1726 states, but on-demand construction may add more states Word has length 789 [2024-05-30 16:51:25,035 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:51:25,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-05-30 16:51:25,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:51:25,243 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:51:25,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:51:25,243 INFO L85 PathProgramCache]: Analyzing trace with hash -382706293, now seen corresponding path program 23 times [2024-05-30 16:51:25,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:51:25,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779438935] [2024-05-30 16:51:25,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:51:25,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:51:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:51:28,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6438 backedges. 1643 proven. 2438 refuted. 0 times theorem prover too weak. 2357 trivial. 0 not checked. [2024-05-30 16:51:28,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:51:28,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779438935] [2024-05-30 16:51:28,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779438935] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:51:28,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423274170] [2024-05-30 16:51:28,291 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 16:51:28,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:51:28,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:51:28,292 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:51:28,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-05-30 16:54:08,736 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2024-05-30 16:54:08,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:54:08,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 59 conjunts are in the unsatisfiable core [2024-05-30 16:54:08,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:54:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 6438 backedges. 3147 proven. 1105 refuted. 0 times theorem prover too weak. 2186 trivial. 0 not checked. [2024-05-30 16:54:11,662 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:54:14,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6438 backedges. 2057 proven. 2195 refuted. 0 times theorem prover too weak. 2186 trivial. 0 not checked. [2024-05-30 16:54:14,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423274170] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:54:14,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:54:14,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 59, 59] total 168 [2024-05-30 16:54:14,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048532789] [2024-05-30 16:54:14,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:54:14,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 168 states [2024-05-30 16:54:14,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:54:14,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2024-05-30 16:54:14,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4284, Invalid=23772, Unknown=0, NotChecked=0, Total=28056 [2024-05-30 16:54:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:54:14,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:54:14,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 168 states, 168 states have (on average 8.30952380952381) internal successors, (1396), 168 states have internal predecessors, (1396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:54:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-05-30 16:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-05-30 16:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-30 16:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-05-30 16:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2024-05-30 16:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:54:14,868 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:54:17,438 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:54:17,438 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:54:17,438 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:54:17,476 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:54:17,476 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:54:17,477 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:54:17,504 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:54:17,504 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:54:17,504 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret19#1.offset, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-30 16:54:17,638 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1502 states. [2024-05-30 16:54:17,638 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:54:17,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:54:17,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:54:17,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:54:17,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:54:17,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:54:17,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:54:17,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:54:17,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-05-30 16:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2024-05-30 16:54:17,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-30 16:54:17,640 INFO L78 Accepts]: Start accepts. Automaton has currently 1746 states, but on-demand construction may add more states Word has length 813 [2024-05-30 16:54:17,648 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:54:17,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-05-30 16:54:17,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:54:17,871 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:54:17,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:54:17,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1942921138, now seen corresponding path program 24 times [2024-05-30 16:54:17,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:54:17,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009868119] [2024-05-30 16:54:17,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:54:17,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:54:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:54:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6873 backedges. 2273 proven. 2417 refuted. 0 times theorem prover too weak. 2183 trivial. 0 not checked. [2024-05-30 16:54:21,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:54:21,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009868119] [2024-05-30 16:54:21,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009868119] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:54:21,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849899281] [2024-05-30 16:54:21,539 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-30 16:54:21,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:54:21,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:54:21,540 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:54:21,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process Received shutdown request... [2024-05-30 16:56:58,332 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 16:56:58,366 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 16:56:58,366 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 16:56:59,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-30 16:56:59,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2024-05-30 16:56:59,533 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forcibly destroying the process [2024-05-30 16:56:59,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-30 16:56:59,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-05-30 16:56:59,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2024-05-30 16:56:59,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890170344] [2024-05-30 16:56:59,546 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-05-30 16:56:59,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-05-30 16:56:59,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:56:59,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-05-30 16:56:59,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=721, Invalid=3569, Unknown=0, NotChecked=0, Total=4290 [2024-05-30 16:56:59,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:56:59,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 137 [2024-05-30 16:56:59,548 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:56:59,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 9.06060606060606) internal successors, (598), 66 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:56:59,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:56:59,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-05-30 16:56:59,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-30 16:56:59,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-05-30 16:56:59,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-30 16:56:59,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:56:59,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:56:59,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-05-30 16:56:59,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2024-05-30 16:56:59,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-30 16:56:59,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:56:59,550 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:56:59,550 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1 states. [2024-05-30 16:56:59,551 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:56:59,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-05-30 16:56:59,551 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-05-30 16:56:59,553 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 16:56:59,569 INFO L445 BasicCegarLoop]: Path program histogram: [24, 3, 2, 2, 1, 1] [2024-05-30 16:56:59,570 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-30 16:56:59,572 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 16:56:59,572 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 16:56:59,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 04:56:59 BasicIcfg [2024-05-30 16:56:59,574 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 16:56:59,574 INFO L158 Benchmark]: Toolchain (without parser) took 851289.78ms. Allocated memory was 385.9MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 315.0MB in the beginning and 872.7MB in the end (delta: -557.7MB). Peak memory consumption was 451.7MB. Max. memory is 8.0GB. [2024-05-30 16:56:59,574 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 16:56:59,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.02ms. Allocated memory is still 385.9MB. Free memory was 314.8MB in the beginning and 301.9MB in the end (delta: 12.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-05-30 16:56:59,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.13ms. Allocated memory is still 385.9MB. Free memory was 301.8MB in the beginning and 299.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 16:56:59,580 INFO L158 Benchmark]: Boogie Preprocessor took 21.83ms. Allocated memory is still 385.9MB. Free memory was 299.4MB in the beginning and 297.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 16:56:59,580 INFO L158 Benchmark]: RCFGBuilder took 573.24ms. Allocated memory is still 385.9MB. Free memory was 297.4MB in the beginning and 324.0MB in the end (delta: -26.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-30 16:56:59,580 INFO L158 Benchmark]: TraceAbstraction took 850461.29ms. Allocated memory was 385.9MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 323.0MB in the beginning and 872.7MB in the end (delta: -549.7MB). Peak memory consumption was 460.1MB. Max. memory is 8.0GB. [2024-05-30 16:56:59,585 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 200.02ms. Allocated memory is still 385.9MB. Free memory was 314.8MB in the beginning and 301.9MB in the end (delta: 12.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.13ms. Allocated memory is still 385.9MB. Free memory was 301.8MB in the beginning and 299.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.83ms. Allocated memory is still 385.9MB. Free memory was 299.4MB in the beginning and 297.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 573.24ms. Allocated memory is still 385.9MB. Free memory was 297.4MB in the beginning and 324.0MB in the end (delta: -26.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 850461.29ms. Allocated memory was 385.9MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 323.0MB in the beginning and 872.7MB in the end (delta: -549.7MB). Peak memory consumption was 460.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8505, independent: 7063, independent conditional: 7063, independent unconditional: 0, dependent: 1442, dependent conditional: 1442, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7433, independent: 7063, independent conditional: 7063, independent unconditional: 0, dependent: 370, dependent conditional: 370, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7433, independent: 7063, independent conditional: 7063, independent unconditional: 0, dependent: 370, dependent conditional: 370, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15897, independent: 7063, independent conditional: 0, independent unconditional: 7063, dependent: 8834, dependent conditional: 8464, dependent unconditional: 370, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15897, independent: 7063, independent conditional: 0, independent unconditional: 7063, dependent: 8834, dependent conditional: 0, dependent unconditional: 8834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15897, independent: 7063, independent conditional: 0, independent unconditional: 7063, dependent: 8834, dependent conditional: 0, dependent unconditional: 8834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7433, independent: 7063, independent conditional: 0, independent unconditional: 7063, dependent: 370, dependent conditional: 0, dependent unconditional: 370, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7433, independent: 7063, independent conditional: 0, independent unconditional: 7063, dependent: 370, dependent conditional: 0, dependent unconditional: 370, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 370, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 370, dependent conditional: 0, dependent unconditional: 370, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 370, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 370, dependent conditional: 0, dependent unconditional: 370, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 370, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 370, dependent conditional: 0, dependent unconditional: 370, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 597, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 597, dependent conditional: 0, dependent unconditional: 597, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15897, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8464, dependent conditional: 0, dependent unconditional: 8464, unknown: 7433, unknown conditional: 0, unknown unconditional: 7433] , Statistics on independence cache: Total cache size (in pairs): 7433, Positive cache size: 7063, Positive conditional cache size: 0, Positive unconditional cache size: 7063, Negative cache size: 370, Negative conditional cache size: 0, Negative unconditional cache size: 370, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8464, Maximal queried relation: 32, Independence queries for same thread: 1072 - StatisticsResult: Reduction benchmarks 29.3ms Time before loop, 1031.6ms Time in loop, 1.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 56, Reduction States: 734, Duplicate States: 32, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 18.7ms Time before loop, 665.0ms Time in loop, 0.7s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 56, Reduction States: 797, Duplicate States: 32, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 6.5ms Time before loop, 42.9ms Time in loop, 0.0s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 304, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 53.2ms Time before loop, 76.5ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 312, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 12.9ms Time before loop, 71.0ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 320, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 129.5ms Time before loop, 98.4ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 329, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 207.8ms Time before loop, 122.3ms Time in loop, 0.3s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 338, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 589.0ms Time before loop, 308.0ms Time in loop, 0.9s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 361, Duplicate States: 0, Protected Variables: 15 - StatisticsResult: Reduction benchmarks 56.0ms Time before loop, 195.5ms Time in loop, 0.3s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 370, Duplicate States: 0, Protected Variables: 15 - StatisticsResult: Reduction benchmarks 120.2ms Time before loop, 688.2ms Time in loop, 0.8s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 385, Duplicate States: 0, Protected Variables: 16 - StatisticsResult: Reduction benchmarks 967.7ms Time before loop, 615.6ms Time in loop, 1.6s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 18, Reduction States: 633, Duplicate States: 26, Protected Variables: 16 - StatisticsResult: Reduction benchmarks 696.8ms Time before loop, 690.0ms Time in loop, 1.4s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 18, Reduction States: 651, Duplicate States: 26, Protected Variables: 16 - StatisticsResult: Reduction benchmarks 1128.8ms Time before loop, 1535.0ms Time in loop, 2.7s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 19, Reduction States: 710, Duplicate States: 25, Protected Variables: 16 - StatisticsResult: Reduction benchmarks 668.8ms Time before loop, 388.0ms Time in loop, 1.1s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 19, Reduction States: 719, Duplicate States: 25, Protected Variables: 16 - StatisticsResult: Reduction benchmarks 1450.3ms Time before loop, 1347.5ms Time in loop, 2.8s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 19, Reduction States: 737, Duplicate States: 25, Protected Variables: 16 - StatisticsResult: Reduction benchmarks 146.7ms Time before loop, 1830.9ms Time in loop, 2.0s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 13, Reduction States: 660, Duplicate States: 1, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 842.3ms Time before loop, 191.1ms Time in loop, 1.0s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 13, Reduction States: 669, Duplicate States: 1, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 178.6ms Time before loop, 2165.9ms Time in loop, 2.3s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 14, Reduction States: 709, Duplicate States: 1, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 1611.1ms Time before loop, 1439.2ms Time in loop, 3.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 14, Reduction States: 727, Duplicate States: 1, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 1810.4ms Time before loop, 835.6ms Time in loop, 2.6s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 20, Reduction States: 852, Duplicate States: 16, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 2797.6ms Time before loop, 1773.6ms Time in loop, 4.6s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 17, Reduction States: 834, Duplicate States: 2, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 105.2ms Time before loop, 2148.2ms Time in loop, 2.3s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 20, Reduction States: 890, Duplicate States: 11, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 1418.0ms Time before loop, 1856.0ms Time in loop, 3.3s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 20, Reduction States: 908, Duplicate States: 11, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 1687.9ms Time before loop, 307.8ms Time in loop, 2.0s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 20, Reduction States: 917, Duplicate States: 11, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 891.6ms Time before loop, 5604.4ms Time in loop, 6.5s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 26, Reduction States: 1132, Duplicate States: 0, Protected Variables: 16 - StatisticsResult: Reduction benchmarks 1359.4ms Time before loop, 288.3ms Time in loop, 1.6s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 26, Reduction States: 1141, Duplicate States: 0, Protected Variables: 16 - StatisticsResult: Reduction benchmarks 3946.5ms Time before loop, 462.7ms Time in loop, 4.4s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 26, Reduction States: 1185, Duplicate States: 0, Protected Variables: 16 - StatisticsResult: Reduction benchmarks 416.8ms Time before loop, 19013.5ms Time in loop, 19.4s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 30, Reduction States: 1363, Duplicate States: 0, Protected Variables: 22 - StatisticsResult: Reduction benchmarks 81.1ms Time before loop, 1929.7ms Time in loop, 2.0s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 30, Reduction States: 1372, Duplicate States: 0, Protected Variables: 22 - StatisticsResult: Reduction benchmarks 159.0ms Time before loop, 2175.6ms Time in loop, 2.3s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 30, Reduction States: 1381, Duplicate States: 0, Protected Variables: 22 - StatisticsResult: Reduction benchmarks 323.4ms Time before loop, 5559.9ms Time in loop, 5.9s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 32, Reduction States: 1454, Duplicate States: 0, Protected Variables: 22 - StatisticsResult: Reduction benchmarks 3514.1ms Time before loop, 3096.8ms Time in loop, 6.6s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 32, Reduction States: 1482, Duplicate States: 0, Protected Variables: 22 - StatisticsResult: Reduction benchmarks 96.3ms Time before loop, 2673.2ms Time in loop, 2.8s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 32, Reduction States: 1502, Duplicate States: 0, Protected Variables: 22 - StatisticsResult: Reduction benchmarks 0.4ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 1, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 668, Transitions: 859, Traversal time: 1.1s - StatisticsResult: Visitor Statistics States: 668, Transitions: 865, Traversal time: 0.7s - StatisticsResult: Visitor Statistics States: 206, Transitions: 215, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 213, Transitions: 222, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 220, Transitions: 229, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 228, Transitions: 237, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 236, Transitions: 245, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 250, Transitions: 260, Traversal time: 0.9s - StatisticsResult: Visitor Statistics States: 258, Transitions: 268, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 271, Transitions: 282, Traversal time: 0.8s - StatisticsResult: Visitor Statistics States: 435, Transitions: 497, Traversal time: 1.6s - StatisticsResult: Visitor Statistics States: 451, Transitions: 513, Traversal time: 1.4s - StatisticsResult: Visitor Statistics States: 488, Transitions: 557, Traversal time: 2.7s - StatisticsResult: Visitor Statistics States: 496, Transitions: 565, Traversal time: 1.1s - StatisticsResult: Visitor Statistics States: 512, Transitions: 581, Traversal time: 2.8s - StatisticsResult: Visitor Statistics States: 421, Transitions: 446, Traversal time: 2.0s - StatisticsResult: Visitor Statistics States: 429, Transitions: 454, Traversal time: 1.0s - StatisticsResult: Visitor Statistics States: 449, Transitions: 476, Traversal time: 2.3s - StatisticsResult: Visitor Statistics States: 465, Transitions: 492, Traversal time: 3.1s - StatisticsResult: Visitor Statistics States: 561, Transitions: 624, Traversal time: 2.6s - StatisticsResult: Visitor Statistics States: 516, Transitions: 549, Traversal time: 4.6s - StatisticsResult: Visitor Statistics States: 551, Transitions: 595, Traversal time: 2.3s - StatisticsResult: Visitor Statistics States: 567, Transitions: 611, Traversal time: 3.3s - StatisticsResult: Visitor Statistics States: 575, Transitions: 619, Traversal time: 2.0s - StatisticsResult: Visitor Statistics States: 661, Transitions: 716, Traversal time: 6.5s - StatisticsResult: Visitor Statistics States: 669, Transitions: 724, Traversal time: 1.6s - StatisticsResult: Visitor Statistics States: 711, Transitions: 766, Traversal time: 4.4s - StatisticsResult: Visitor Statistics States: 824, Transitions: 924, Traversal time: 19.4s - StatisticsResult: Visitor Statistics States: 832, Transitions: 932, Traversal time: 2.0s - StatisticsResult: Visitor Statistics States: 840, Transitions: 940, Traversal time: 2.3s - StatisticsResult: Visitor Statistics States: 872, Transitions: 976, Traversal time: 5.9s - StatisticsResult: Visitor Statistics States: 894, Transitions: 998, Traversal time: 6.6s - StatisticsResult: Visitor Statistics States: 912, Transitions: 1016, Traversal time: 2.8s - StatisticsResult: Visitor Statistics States: 1, Transitions: 0, Traversal time: 0.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 456, RedundantProofs: 33, ProvenStates: 1077, Times there's more than one choice: 679, Avg number of choices: 11.148560817084494 - TimeoutResultAtElement [Line: 135]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 250 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 850.3s, OverallIterations: 33, TraceHistogramMax: 0, PathProgramHistogramMax: 24, EmptinessCheckTime: 88.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1882, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.4s SsaConstructionTime, 456.8s SatisfiabilityAnalysisTime, 135.3s InterpolantComputationTime, 27559 NumberOfCodeBlocks, 27070 NumberOfCodeBlocksAsserted, 216 NumberOfCheckSat, 40472 ConstructedInterpolants, 456 QuantifiedInterpolants, 262304 SizeOfPredicates, 696 NumberOfNonLiveVariables, 25936 ConjunctsInSsa, 1202 ConjunctsInUnsatCore, 89 InterpolantComputations, 4 PerfectInterpolantSequences, 114906/177463 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown