/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.abstraction.used.for.commutativity.in.por VARIABLES_GLOBAL -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_power.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 21:41:46,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 21:41:46,282 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-30 21:41:46,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 21:41:46,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 21:41:46,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 21:41:46,310 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 21:41:46,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 21:41:46,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 21:41:46,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 21:41:46,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 21:41:46,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 21:41:46,315 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 21:41:46,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 21:41:46,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 21:41:46,317 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 21:41:46,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 21:41:46,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 21:41:46,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 21:41:46,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 21:41:46,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 21:41:46,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 21:41:46,318 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 21:41:46,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 21:41:46,318 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 21:41:46,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 21:41:46,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 21:41:46,318 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 21:41:46,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 21:41:46,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 21:41:46,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 21:41:46,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 21:41:46,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 21:41:46,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 21:41:46,320 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-30 21:41:46,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-30 21:41:46,320 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 21:41:46,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 21:41:46,321 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 21:41:46,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR -> VARIABLES_GLOBAL [2024-05-30 21:41:46,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 21:41:46,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 21:41:46,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 21:41:46,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 21:41:46,537 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 21:41:46,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_power.i [2024-05-30 21:41:47,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 21:41:47,798 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 21:41:47,799 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_power.i [2024-05-30 21:41:47,810 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9f29f0ffb/04f64fd6d247446b932a6f77e8db69ee/FLAG06b029501 [2024-05-30 21:41:47,820 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9f29f0ffb/04f64fd6d247446b932a6f77e8db69ee [2024-05-30 21:41:47,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 21:41:47,823 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 21:41:47,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 21:41:47,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 21:41:47,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 21:41:47,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 09:41:47" (1/1) ... [2024-05-30 21:41:47,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ea31d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 09:41:47, skipping insertion in model container [2024-05-30 21:41:47,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 09:41:47" (1/1) ... [2024-05-30 21:41:47,879 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 21:41:48,020 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_power.i[947,960] [2024-05-30 21:41:48,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 21:41:48,261 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 21:41:48,269 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_power.i[947,960] [2024-05-30 21:41:48,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 21:41:48,365 INFO L206 MainTranslator]: Completed translation [2024-05-30 21:41:48,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 09:41:48 WrapperNode [2024-05-30 21:41:48,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 21:41:48,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 21:41:48,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 21:41:48,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 21:41:48,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 09:41:48" (1/1) ... [2024-05-30 21:41:48,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 09:41:48" (1/1) ... [2024-05-30 21:41:48,426 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 172 [2024-05-30 21:41:48,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 21:41:48,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 21:41:48,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 21:41:48,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 21:41:48,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 09:41:48" (1/1) ... [2024-05-30 21:41:48,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 09:41:48" (1/1) ... [2024-05-30 21:41:48,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 09:41:48" (1/1) ... [2024-05-30 21:41:48,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 09:41:48" (1/1) ... [2024-05-30 21:41:48,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 09:41:48" (1/1) ... [2024-05-30 21:41:48,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 09:41:48" (1/1) ... [2024-05-30 21:41:48,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 09:41:48" (1/1) ... [2024-05-30 21:41:48,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 09:41:48" (1/1) ... [2024-05-30 21:41:48,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 21:41:48,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 21:41:48,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 21:41:48,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 21:41:48,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 09:41:48" (1/1) ... [2024-05-30 21:41:48,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 21:41:48,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 21:41:48,537 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 21:41:48,560 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 21:41:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 21:41:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 21:41:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 21:41:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 21:41:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 21:41:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-30 21:41:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-30 21:41:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-30 21:41:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-30 21:41:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-30 21:41:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-30 21:41:48,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 21:41:48,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 21:41:48,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 21:41:48,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 21:41:48,587 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 21:41:48,702 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 21:41:48,703 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 21:41:48,989 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 21:41:49,135 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 21:41:49,135 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-30 21:41:49,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 09:41:49 BoogieIcfgContainer [2024-05-30 21:41:49,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 21:41:49,138 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 21:41:49,138 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 21:41:49,141 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 21:41:49,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 09:41:47" (1/3) ... [2024-05-30 21:41:49,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f68c8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 09:41:49, skipping insertion in model container [2024-05-30 21:41:49,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 09:41:48" (2/3) ... [2024-05-30 21:41:49,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f68c8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 09:41:49, skipping insertion in model container [2024-05-30 21:41:49,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 09:41:49" (3/3) ... [2024-05-30 21:41:49,143 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_power.i [2024-05-30 21:41:49,151 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 21:41:49,159 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 21:41:49,160 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-30 21:41:49,160 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 21:41:49,207 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-30 21:41:49,250 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 21:41:49,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 21:41:49,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 21:41:49,253 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 21:41:49,273 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 21:41:49,296 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 21:41:49,301 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 21:41:49,308 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b038caa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 21:41:49,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 21:41:49,312 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2024-05-30 21:41:49,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 21:41:49,319 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 21:41:49,320 INFO L308 ceAbstractionStarter]: Result for error location P2Err0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/6) [2024-05-30 21:41:49,325 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 21:41:49,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 21:41:49,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 21:41:49,356 INFO L229 MonitoredProcess]: Starting monitored process 3 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 21:41:49,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-05-30 21:41:49,360 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 21:41:49,361 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 21:41:49,361 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b038caa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 21:41:49,361 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 21:42:06,132 INFO L78 Accepts]: Start accepts. Automaton has currently 145 states, but on-demand construction may add more states Word has length 71 [2024-05-30 21:42:06,133 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 21:42:06,134 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 21:42:06,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 21:42:06,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1864113009, now seen corresponding path program 1 times [2024-05-30 21:42:06,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 21:42:06,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208699905] [2024-05-30 21:42:06,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 21:42:06,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 21:42:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 21:42:06,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 21:42:06,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 21:42:06,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208699905] [2024-05-30 21:42:06,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208699905] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 21:42:06,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 21:42:06,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 21:42:06,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64054711] [2024-05-30 21:42:06,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 21:42:06,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 21:42:06,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 21:42:06,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 21:42:06,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 21:42:06,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:42:06,499 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 21:42:06,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 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 21:42:06,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:42:07,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:42:07,122 INFO L78 Accepts]: Start accepts. Automaton has currently 950 states, but on-demand construction may add more states Word has length 70 [2024-05-30 21:42:07,122 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 21:42:07,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 21:42:07,122 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 21:42:07,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 21:42:07,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1418303027, now seen corresponding path program 1 times [2024-05-30 21:42:07,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 21:42:07,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705360884] [2024-05-30 21:42:07,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 21:42:07,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 21:42:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 21:42:07,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 21:42:07,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 21:42:07,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705360884] [2024-05-30 21:42:07,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705360884] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 21:42:07,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 21:42:07,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 21:42:07,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031027207] [2024-05-30 21:42:07,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 21:42:07,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 21:42:07,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 21:42:07,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 21:42:07,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 21:42:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:42:07,622 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 21:42:07,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 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 21:42:07,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:42:07,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:43:14,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:43:14,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:43:14,694 INFO L78 Accepts]: Start accepts. Automaton has currently 4223 states, but on-demand construction may add more states Word has length 90 [2024-05-30 21:43:14,694 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 21:43:14,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 21:43:14,694 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 21:43:14,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 21:43:14,695 INFO L85 PathProgramCache]: Analyzing trace with hash -119379848, now seen corresponding path program 1 times [2024-05-30 21:43:14,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 21:43:14,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799409588] [2024-05-30 21:43:14,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 21:43:14,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 21:43:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 21:43:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 21:43:15,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 21:43:15,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799409588] [2024-05-30 21:43:15,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799409588] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 21:43:15,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 21:43:15,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-30 21:43:15,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246108099] [2024-05-30 21:43:15,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 21:43:15,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 21:43:15,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 21:43:15,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 21:43:15,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-05-30 21:43:15,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:43:15,701 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 21:43:15,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 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 21:43:15,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:43:15,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:43:15,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:34,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:34,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:44:34,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:44:34,499 INFO L78 Accepts]: Start accepts. Automaton has currently 5378 states, but on-demand construction may add more states Word has length 91 [2024-05-30 21:44:34,499 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 21:44:34,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 21:44:34,500 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 21:44:34,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 21:44:34,500 INFO L85 PathProgramCache]: Analyzing trace with hash -2064944013, now seen corresponding path program 1 times [2024-05-30 21:44:34,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 21:44:34,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669416117] [2024-05-30 21:44:34,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 21:44:34,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 21:44:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 21:44:35,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 21:44:35,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 21:44:35,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669416117] [2024-05-30 21:44:35,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669416117] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 21:44:35,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 21:44:35,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-05-30 21:44:35,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427940636] [2024-05-30 21:44:35,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 21:44:35,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-30 21:44:35,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 21:44:35,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-30 21:44:36,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-05-30 21:44:36,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:36,000 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 21:44:36,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 14 states have internal predecessors, (91), 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 21:44:36,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:36,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:44:36,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:44:36,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:44:46,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:44:46,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:44:46,022 INFO L78 Accepts]: Start accepts. Automaton has currently 7673 states, but on-demand construction may add more states Word has length 90 [2024-05-30 21:44:46,023 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 21:44:46,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 21:44:46,023 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 21:44:46,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 21:44:46,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1238059252, now seen corresponding path program 2 times [2024-05-30 21:44:46,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 21:44:46,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906319074] [2024-05-30 21:44:46,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 21:44:46,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 21:44:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 21:44:47,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 21:44:47,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 21:44:47,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906319074] [2024-05-30 21:44:47,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906319074] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 21:44:47,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 21:44:47,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-05-30 21:44:47,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958244455] [2024-05-30 21:44:47,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 21:44:47,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-30 21:44:47,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 21:44:47,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-30 21:44:47,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-05-30 21:44:47,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:47,496 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 21:44:47,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.294117647058823) internal successors, (90), 17 states have internal predecessors, (90), 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 21:44:47,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:47,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:44:47,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:44:47,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:44:47,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:56,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:56,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:44:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:44:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:44:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-30 21:44:56,587 INFO L78 Accepts]: Start accepts. Automaton has currently 9538 states, but on-demand construction may add more states Word has length 90 [2024-05-30 21:44:56,588 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 21:44:56,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-30 21:44:56,588 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 21:44:56,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 21:44:56,588 INFO L85 PathProgramCache]: Analyzing trace with hash -113602240, now seen corresponding path program 3 times [2024-05-30 21:44:56,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 21:44:56,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201567474] [2024-05-30 21:44:56,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 21:44:56,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 21:44:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 21:44:57,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 21:44:57,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 21:44:57,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201567474] [2024-05-30 21:44:57,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201567474] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 21:44:57,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 21:44:57,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-30 21:44:57,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022351645] [2024-05-30 21:44:57,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 21:44:57,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 21:44:57,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 21:44:57,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 21:44:57,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-05-30 21:44:57,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:57,024 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 21:44:57,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 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 21:44:57,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:57,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:44:57,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:44:57,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:44:57,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-30 21:44:57,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:57,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:57,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:44:57,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:44:57,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:44:57,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-30 21:44:57,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 21:44:57,611 INFO L78 Accepts]: Start accepts. Automaton has currently 11737 states, but on-demand construction may add more states Word has length 86 [2024-05-30 21:44:57,612 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 21:44:57,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-30 21:44:57,612 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 21:44:57,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 21:44:57,613 INFO L85 PathProgramCache]: Analyzing trace with hash 944439066, now seen corresponding path program 1 times [2024-05-30 21:44:57,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 21:44:57,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239982926] [2024-05-30 21:44:57,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 21:44:57,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 21:44:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 21:44:58,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 21:44:58,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 21:44:58,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239982926] [2024-05-30 21:44:58,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239982926] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 21:44:58,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 21:44:58,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-05-30 21:44:58,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000181484] [2024-05-30 21:44:58,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 21:44:58,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-05-30 21:44:58,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 21:44:58,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-05-30 21:44:58,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-05-30 21:44:58,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:58,938 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 21:44:58,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 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 21:44:58,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:44:58,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:44:58,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:44:58,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:44:58,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-30 21:44:58,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 21:44:58,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:45:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:45:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:45:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-30 21:45:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 21:45:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 21:45:00,776 INFO L78 Accepts]: Start accepts. Automaton has currently 15829 states, but on-demand construction may add more states Word has length 88 [2024-05-30 21:45:00,777 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 21:45:00,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-30 21:45:00,777 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 21:45:00,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 21:45:00,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1765963781, now seen corresponding path program 1 times [2024-05-30 21:45:00,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 21:45:00,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020776404] [2024-05-30 21:45:00,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 21:45:00,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 21:45:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 21:45:02,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 21:45:02,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 21:45:02,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020776404] [2024-05-30 21:45:02,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020776404] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 21:45:02,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 21:45:02,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-05-30 21:45:02,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805720592] [2024-05-30 21:45:02,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 21:45:02,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-30 21:45:02,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 21:45:02,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-30 21:45:02,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-05-30 21:45:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:02,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 21:45:02,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.176470588235294) internal successors, (88), 17 states have internal predecessors, (88), 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 21:45:02,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:02,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:45:02,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:45:02,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:45:02,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-30 21:45:02,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 21:45:02,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 21:45:02,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:03,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:03,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:45:03,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:45:03,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:45:03,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-30 21:45:03,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 21:45:03,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 21:45:03,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:45:03,535 INFO L78 Accepts]: Start accepts. Automaton has currently 18565 states, but on-demand construction may add more states Word has length 85 [2024-05-30 21:45:03,535 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 21:45:03,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-05-30 21:45:03,536 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 21:45:03,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 21:45:03,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1586559059, now seen corresponding path program 1 times [2024-05-30 21:45:03,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 21:45:03,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859306567] [2024-05-30 21:45:03,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 21:45:03,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 21:45:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 21:45:04,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 21:45:04,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 21:45:04,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859306567] [2024-05-30 21:45:04,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859306567] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 21:45:04,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 21:45:04,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-05-30 21:45:04,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724988196] [2024-05-30 21:45:04,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 21:45:04,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-30 21:45:04,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 21:45:04,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-30 21:45:04,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-05-30 21:45:04,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:04,122 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 21:45:04,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 11 states have internal predecessors, (85), 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 21:45:04,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:04,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:45:04,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:45:04,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:45:04,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-30 21:45:04,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 21:45:04,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 21:45:04,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:45:04,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:45:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:45:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:45:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-30 21:45:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 21:45:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 21:45:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:45:13,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 21:45:13,830 INFO L78 Accepts]: Start accepts. Automaton has currently 20720 states, but on-demand construction may add more states Word has length 86 [2024-05-30 21:45:13,830 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 21:45:13,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-05-30 21:45:13,831 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 21:45:13,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 21:45:13,831 INFO L85 PathProgramCache]: Analyzing trace with hash -302859298, now seen corresponding path program 2 times [2024-05-30 21:45:13,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 21:45:13,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799242732] [2024-05-30 21:45:13,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 21:45:13,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 21:45:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 21:45:15,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 21:45:15,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 21:45:15,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799242732] [2024-05-30 21:45:15,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799242732] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 21:45:15,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 21:45:15,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-05-30 21:45:15,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556845742] [2024-05-30 21:45:15,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 21:45:15,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-30 21:45:15,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 21:45:15,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-30 21:45:15,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-05-30 21:45:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:15,043 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 21:45:15,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 17 states have internal predecessors, (86), 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 21:45:15,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:15,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:45:15,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:45:15,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:45:15,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-30 21:45:15,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 21:45:15,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 21:45:15,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:45:15,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 21:45:15,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:18,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:45:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:45:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:45:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-30 21:45:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 21:45:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 21:45:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:45:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 21:45:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-30 21:45:18,233 INFO L78 Accepts]: Start accepts. Automaton has currently 78346 states, but on-demand construction may add more states Word has length 90 [2024-05-30 21:45:18,234 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 21:45:18,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-05-30 21:45:18,234 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 21:45:18,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 21:45:18,235 INFO L85 PathProgramCache]: Analyzing trace with hash -318139798, now seen corresponding path program 4 times [2024-05-30 21:45:18,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 21:45:18,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337666721] [2024-05-30 21:45:18,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 21:45:18,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 21:45:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 21:45:18,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 21:45:18,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 21:45:18,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337666721] [2024-05-30 21:45:18,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337666721] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 21:45:18,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 21:45:18,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 21:45:18,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448008608] [2024-05-30 21:45:18,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 21:45:18,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 21:45:18,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 21:45:18,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 21:45:18,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-30 21:45:18,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:18,417 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 21:45:18,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 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 21:45:18,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 21:45:18,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 21:45:18,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 21:45:18,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:45:18,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-30 21:45:18,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 21:45:18,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 21:45:18,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-30 21:45:18,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 21:45:18,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-30 21:45:18,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.