/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-mult-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 20:06:24,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 20:06:24,439 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-30 20:06:24,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 20:06:24,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 20:06:24,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 20:06:24,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 20:06:24,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 20:06:24,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 20:06:24,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 20:06:24,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 20:06:24,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 20:06:24,463 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 20:06:24,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 20:06:24,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 20:06:24,464 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 20:06:24,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 20:06:24,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 20:06:24,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 20:06:24,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 20:06:24,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 20:06:24,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 20:06:24,467 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 20:06:24,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 20:06:24,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 20:06:24,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 20:06:24,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 20:06:24,468 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 20:06:24,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 20:06:24,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 20:06:24,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 20:06:24,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 20:06:24,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 20:06:24,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 20:06:24,470 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-30 20:06:24,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-30 20:06:24,471 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 20:06:24,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 20:06:24,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 20:06:24,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 20:06:24,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 20:06:24,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 20:06:24,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 20:06:24,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 20:06:24,689 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 20:06:24,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-4.wvr.c [2024-05-30 20:06:25,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 20:06:26,210 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 20:06:26,211 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-4.wvr.c [2024-05-30 20:06:26,218 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3748296f5/006bc3dde44a4165860dbf96bbeb1da1/FLAGf44e135fc [2024-05-30 20:06:26,231 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3748296f5/006bc3dde44a4165860dbf96bbeb1da1 [2024-05-30 20:06:26,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 20:06:26,235 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 20:06:26,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 20:06:26,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 20:06:26,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 20:06:26,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 08:06:26" (1/1) ... [2024-05-30 20:06:26,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314c1938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:26, skipping insertion in model container [2024-05-30 20:06:26,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 08:06:26" (1/1) ... [2024-05-30 20:06:26,267 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 20:06:26,408 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-mult-4.wvr.c[2612,2625] [2024-05-30 20:06:26,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 20:06:26,420 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 20:06:26,440 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-mult-4.wvr.c[2612,2625] [2024-05-30 20:06:26,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 20:06:26,454 INFO L206 MainTranslator]: Completed translation [2024-05-30 20:06:26,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:26 WrapperNode [2024-05-30 20:06:26,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 20:06:26,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 20:06:26,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 20:06:26,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 20:06:26,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:26" (1/1) ... [2024-05-30 20:06:26,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:26" (1/1) ... [2024-05-30 20:06:26,488 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 120 [2024-05-30 20:06:26,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 20:06:26,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 20:06:26,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 20:06:26,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 20:06:26,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:26" (1/1) ... [2024-05-30 20:06:26,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:26" (1/1) ... [2024-05-30 20:06:26,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:26" (1/1) ... [2024-05-30 20:06:26,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:26" (1/1) ... [2024-05-30 20:06:26,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:26" (1/1) ... [2024-05-30 20:06:26,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:26" (1/1) ... [2024-05-30 20:06:26,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:26" (1/1) ... [2024-05-30 20:06:26,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:26" (1/1) ... [2024-05-30 20:06:26,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 20:06:26,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 20:06:26,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 20:06:26,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 20:06:26,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:26" (1/1) ... [2024-05-30 20:06:26,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 20:06:26,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:06:26,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-30 20:06:26,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-30 20:06:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 20:06:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 20:06:26,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 20:06:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 20:06:26,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 20:06:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-30 20:06:26,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-30 20:06:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-30 20:06:26,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-30 20:06:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 20:06:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 20:06:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 20:06:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 20:06:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 20:06:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 20:06:26,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 20:06:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 20:06:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 20:06:26,590 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 20:06:26,669 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 20:06:26,671 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 20:06:26,879 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 20:06:26,927 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 20:06:26,928 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-30 20:06:26,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 08:06:26 BoogieIcfgContainer [2024-05-30 20:06:26,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 20:06:26,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 20:06:26,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 20:06:26,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 20:06:26,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 08:06:26" (1/3) ... [2024-05-30 20:06:26,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785ac9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 08:06:26, skipping insertion in model container [2024-05-30 20:06:26,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:26" (2/3) ... [2024-05-30 20:06:26,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785ac9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 08:06:26, skipping insertion in model container [2024-05-30 20:06:26,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 08:06:26" (3/3) ... [2024-05-30 20:06:26,936 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-4.wvr.c [2024-05-30 20:06:26,949 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 20:06:26,956 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 20:06:26,956 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 20:06:26,956 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 20:06:27,094 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-30 20:06:27,145 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 20:06:27,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 20:06:27,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:06:27,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 20:06:27,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-30 20:06:27,182 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 20:06:27,188 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 20:06:27,194 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;@70c0c466, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 20:06:27,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 20:06:27,669 INFO L78 Accepts]: Start accepts. Automaton has currently 3259 states, but on-demand construction may add more states Word has length 122 [2024-05-30 20:06:27,670 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:06:27,671 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:06:27,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:06:27,679 INFO L85 PathProgramCache]: Analyzing trace with hash 249437621, now seen corresponding path program 1 times [2024-05-30 20:06:27,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:06:27,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841076761] [2024-05-30 20:06:27,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:06:27,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:06:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:06:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-30 20:06:27,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:06:27,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841076761] [2024-05-30 20:06:27,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841076761] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 20:06:27,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 20:06:27,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 20:06:27,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930197878] [2024-05-30 20:06:27,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 20:06:27,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 20:06:27,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:06:27,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 20:06:27,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 20:06:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:27,995 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:06:27,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.0) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:06:27,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:28,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:28,184 INFO L78 Accepts]: Start accepts. Automaton has currently 3259 states, but on-demand construction may add more states Word has length 120 [2024-05-30 20:06:28,185 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:06:28,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 20:06:28,186 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:06:28,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:06:28,187 INFO L85 PathProgramCache]: Analyzing trace with hash 475761057, now seen corresponding path program 1 times [2024-05-30 20:06:28,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:06:28,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384017679] [2024-05-30 20:06:28,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:06:28,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:06:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:06:28,584 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-30 20:06:28,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:06:28,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384017679] [2024-05-30 20:06:28,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384017679] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 20:06:28,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 20:06:28,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-30 20:06:28,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120781255] [2024-05-30 20:06:28,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 20:06:28,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-30 20:06:28,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:06:28,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-30 20:06:28,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-30 20:06:28,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:28,588 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:06:28,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:06:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:28,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:28,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:06:28,626 INFO L78 Accepts]: Start accepts. Automaton has currently 292 states, but on-demand construction may add more states Word has length 125 [2024-05-30 20:06:28,627 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:06:28,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 20:06:28,627 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:06:28,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:06:28,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1231884458, now seen corresponding path program 2 times [2024-05-30 20:06:28,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:06:28,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679971644] [2024-05-30 20:06:28,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:06:28,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:06:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:06:29,617 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-30 20:06:29,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:06:29,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679971644] [2024-05-30 20:06:29,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679971644] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:06:29,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734330900] [2024-05-30 20:06:29,619 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 20:06:29,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:06:29,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:06:29,650 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:06:29,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-30 20:06:29,774 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 20:06:29,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:06:29,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-30 20:06:29,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:06:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-30 20:06:29,997 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:06:30,243 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-30 20:06:30,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734330900] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:06:30,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:06:30,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 22 [2024-05-30 20:06:30,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439474497] [2024-05-30 20:06:30,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:06:30,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-30 20:06:30,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:06:30,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-30 20:06:30,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2024-05-30 20:06:30,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:30,252 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:06:30,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.454545454545455) internal successors, (186), 22 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:06:30,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:30,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:06:30,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:06:32,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:06:32,918 INFO L78 Accepts]: Start accepts. Automaton has currently 7919 states, but on-demand construction may add more states Word has length 140 [2024-05-30 20:06:32,921 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:06:32,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-30 20:06:33,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-30 20:06:33,129 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:06:33,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:06:33,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1897324465, now seen corresponding path program 3 times [2024-05-30 20:06:33,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:06:33,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733708474] [2024-05-30 20:06:33,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:06:33,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:06:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:06:33,677 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 25 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-30 20:06:33,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:06:33,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733708474] [2024-05-30 20:06:33,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733708474] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:06:33,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409440963] [2024-05-30 20:06:33,679 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 20:06:33,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:06:33,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:06:33,681 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:06:33,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-30 20:06:34,006 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-30 20:06:34,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:06:34,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-30 20:06:34,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:06:34,239 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 25 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-30 20:06:34,239 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:06:34,527 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 25 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-30 20:06:34,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409440963] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:06:34,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:06:34,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 25 [2024-05-30 20:06:34,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516709560] [2024-05-30 20:06:34,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:06:34,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-30 20:06:34,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:06:34,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-30 20:06:34,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2024-05-30 20:06:34,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:34,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:06:34,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.48) internal successors, (187), 25 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 20:06:34,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:34,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:06:34,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:06:34,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:06:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:06:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:06:39,562 INFO L78 Accepts]: Start accepts. Automaton has currently 20154 states, but on-demand construction may add more states Word has length 155 [2024-05-30 20:06:39,563 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:06:39,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-30 20:06:39,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:06:39,771 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:06:39,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:06:39,771 INFO L85 PathProgramCache]: Analyzing trace with hash -334306071, now seen corresponding path program 4 times [2024-05-30 20:06:39,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:06:39,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305301557] [2024-05-30 20:06:39,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:06:39,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:06:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:06:40,042 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 13 proven. 32 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-05-30 20:06:40,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:06:40,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305301557] [2024-05-30 20:06:40,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305301557] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:06:40,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961798927] [2024-05-30 20:06:40,043 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 20:06:40,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:06:40,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:06:40,045 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:06:40,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-30 20:06:40,221 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 20:06:40,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:06:40,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-30 20:06:40,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:06:40,513 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 16 proven. 36 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-05-30 20:06:40,514 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:06:40,983 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 16 proven. 36 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-05-30 20:06:40,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961798927] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:06:40,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:06:40,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 35 [2024-05-30 20:06:40,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213022737] [2024-05-30 20:06:40,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:06:40,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-05-30 20:06:40,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:06:40,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-05-30 20:06:40,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1091, Unknown=0, NotChecked=0, Total=1190 [2024-05-30 20:06:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:40,987 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:06:40,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 7.285714285714286) internal successors, (255), 35 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:06:40,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:40,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:06:40,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:06:40,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:06:40,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:43,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:43,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:06:43,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:06:43,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:06:43,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-30 20:06:43,584 INFO L78 Accepts]: Start accepts. Automaton has currently 20175 states, but on-demand construction may add more states Word has length 160 [2024-05-30 20:06:43,585 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:06:43,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-30 20:06:43,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:06:43,786 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:06:43,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:06:43,787 INFO L85 PathProgramCache]: Analyzing trace with hash -900400832, now seen corresponding path program 5 times [2024-05-30 20:06:43,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:06:43,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395976265] [2024-05-30 20:06:43,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:06:43,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:06:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:06:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 16 proven. 48 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-05-30 20:06:44,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:06:44,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395976265] [2024-05-30 20:06:44,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395976265] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:06:44,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769915167] [2024-05-30 20:06:44,385 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 20:06:44,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:06:44,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:06:44,387 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:06:44,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-30 20:06:44,583 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-05-30 20:06:44,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:06:44,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-30 20:06:44,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:06:44,850 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-05-30 20:06:44,851 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:06:45,245 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-05-30 20:06:45,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769915167] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:06:45,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:06:45,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 13] total 37 [2024-05-30 20:06:45,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267680032] [2024-05-30 20:06:45,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:06:45,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-05-30 20:06:45,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:06:45,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-05-30 20:06:45,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1209, Unknown=0, NotChecked=0, Total=1332 [2024-05-30 20:06:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:45,248 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:06:45,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 6.405405405405405) internal successors, (237), 37 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:06:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:06:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:06:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:06:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-30 20:06:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:54,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:54,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:06:54,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:06:54,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:06:54,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-30 20:06:54,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2024-05-30 20:06:54,064 INFO L78 Accepts]: Start accepts. Automaton has currently 53293 states, but on-demand construction may add more states Word has length 175 [2024-05-30 20:06:54,065 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:06:54,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-30 20:06:54,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-30 20:06:54,268 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:06:54,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:06:54,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1429460699, now seen corresponding path program 6 times [2024-05-30 20:06:54,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:06:54,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324580113] [2024-05-30 20:06:54,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:06:54,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:06:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:06:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 2 proven. 87 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-05-30 20:06:55,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:06:55,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324580113] [2024-05-30 20:06:55,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324580113] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:06:55,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144338322] [2024-05-30 20:06:55,358 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-30 20:06:55,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:06:55,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:06:55,360 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:06:55,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-30 20:06:55,668 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-05-30 20:06:55,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:06:55,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-30 20:06:55,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:06:56,128 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-05-30 20:06:56,128 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:06:56,840 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-05-30 20:06:56,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144338322] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:06:56,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:06:56,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 21] total 54 [2024-05-30 20:06:56,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067817189] [2024-05-30 20:06:56,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:06:56,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-05-30 20:06:56,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:06:56,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-05-30 20:06:56,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2670, Unknown=0, NotChecked=0, Total=2862 [2024-05-30 20:06:56,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:56,844 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:06:56,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 4.5) internal successors, (243), 54 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:06:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:06:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:06:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:06:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-30 20:06:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2024-05-30 20:06:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:07:00,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:07:00,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:07:00,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:07:00,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:07:00,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-30 20:07:00,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2024-05-30 20:07:00,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-05-30 20:07:00,844 INFO L78 Accepts]: Start accepts. Automaton has currently 561 states, but on-demand construction may add more states Word has length 205 [2024-05-30 20:07:00,845 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:07:00,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-30 20:07:01,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:07:01,046 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:07:01,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:07:01,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1164680720, now seen corresponding path program 7 times [2024-05-30 20:07:01,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:07:01,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267806193] [2024-05-30 20:07:01,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:07:01,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:07:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:07:02,024 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-05-30 20:07:02,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:07:02,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267806193] [2024-05-30 20:07:02,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267806193] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:07:02,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485918038] [2024-05-30 20:07:02,025 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-30 20:07:02,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:07:02,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:07:02,029 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:07:02,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-30 20:07:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:07:02,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 46 conjunts are in the unsatisfiable core [2024-05-30 20:07:02,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:07:02,532 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 188 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-05-30 20:07:02,532 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:07:03,196 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 188 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-05-30 20:07:03,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485918038] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:07:03,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:07:03,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 48 [2024-05-30 20:07:03,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452178199] [2024-05-30 20:07:03,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:07:03,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-05-30 20:07:03,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:07:03,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-05-30 20:07:03,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=2079, Unknown=0, NotChecked=0, Total=2256 [2024-05-30 20:07:03,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:07:03,200 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:07:03,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.458333333333333) internal successors, (214), 48 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:07:03,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:07:03,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:07:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:07:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:07:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-30 20:07:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2024-05-30 20:07:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-05-30 20:07:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:07:10,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:07:10,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:07:10,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:07:10,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:07:10,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-30 20:07:10,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2024-05-30 20:07:10,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-30 20:07:10,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-05-30 20:07:10,508 INFO L78 Accepts]: Start accepts. Automaton has currently 2396 states, but on-demand construction may add more states Word has length 225 [2024-05-30 20:07:10,509 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:07:10,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-30 20:07:10,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-30 20:07:10,715 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:07:10,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:07:10,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1984463754, now seen corresponding path program 8 times [2024-05-30 20:07:10,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:07:10,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262318658] [2024-05-30 20:07:10,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:07:10,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:07:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:07:12,014 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 38 proven. 292 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-05-30 20:07:12,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:07:12,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262318658] [2024-05-30 20:07:12,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262318658] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:07:12,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993095567] [2024-05-30 20:07:12,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 20:07:12,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:07:12,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:07:12,016 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:07:12,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-30 20:07:12,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 20:07:12,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:07:12,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 54 conjunts are in the unsatisfiable core [2024-05-30 20:07:12,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:07:12,770 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 38 proven. 286 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-05-30 20:07:12,771 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:07:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 7 proven. 317 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-05-30 20:07:13,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993095567] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:07:13,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:07:13,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29, 29] total 56 [2024-05-30 20:07:13,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197548263] [2024-05-30 20:07:13,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:07:13,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-05-30 20:07:13,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:07:13,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-05-30 20:07:13,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=2859, Unknown=0, NotChecked=0, Total=3080 [2024-05-30 20:07:13,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:07:13,891 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:07:13,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 4.535714285714286) internal successors, (254), 56 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 20:07:13,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:07:13,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:07:13,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:07:13,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:07:13,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-30 20:07:13,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2024-05-30 20:07:13,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-30 20:07:13,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-05-30 20:07:13,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:07:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:07:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:07:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:07:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:07:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-30 20:07:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2024-05-30 20:07:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-30 20:07:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-05-30 20:07:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-30 20:07:28,730 INFO L78 Accepts]: Start accepts. Automaton has currently 2978 states, but on-demand construction may add more states Word has length 245 [2024-05-30 20:07:28,731 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:07:28,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-30 20:07:28,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:07:28,932 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:07:28,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:07:28,933 INFO L85 PathProgramCache]: Analyzing trace with hash -2134495734, now seen corresponding path program 9 times [2024-05-30 20:07:28,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:07:28,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528463942] [2024-05-30 20:07:28,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:07:28,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:07:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:07:30,361 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 15 proven. 412 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-05-30 20:07:30,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:07:30,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528463942] [2024-05-30 20:07:30,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528463942] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:07:30,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260815324] [2024-05-30 20:07:30,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 20:07:30,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:07:30,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:07:30,363 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 20:07:30,365 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 20:07:31,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-30 20:07:31,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:07:31,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 44 conjunts are in the unsatisfiable core [2024-05-30 20:07:31,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:07:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 80 proven. 84 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-05-30 20:07:32,197 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:07:33,498 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 80 proven. 84 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-05-30 20:07:33,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260815324] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:07:33,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:07:33,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 21, 23] total 73 [2024-05-30 20:07:33,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058582710] [2024-05-30 20:07:33,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:07:33,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-05-30 20:07:33,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:07:33,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-05-30 20:07:33,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=348, Invalid=4908, Unknown=0, NotChecked=0, Total=5256 [2024-05-30 20:07:33,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:07:33,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:07:33,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 4.438356164383562) internal successors, (324), 73 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:07:33,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:07:33,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:07:33,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:07:33,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:07:33,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-30 20:07:33,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2024-05-30 20:07:33,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-30 20:07:33,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-05-30 20:07:33,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-30 20:07:33,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:10:27,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:10:27,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:10:27,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:10:27,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:10:27,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-30 20:10:27,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2024-05-30 20:10:27,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-30 20:10:27,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-05-30 20:10:27,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-30 20:10:27,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2024-05-30 20:10:27,336 INFO L78 Accepts]: Start accepts. Automaton has currently 770 states, but on-demand construction may add more states Word has length 270 [2024-05-30 20:10:27,338 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:10:27,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-30 20:10:27,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-30 20:10:27,540 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:10:27,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:10:27,541 INFO L85 PathProgramCache]: Analyzing trace with hash -382288752, now seen corresponding path program 10 times [2024-05-30 20:10:27,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:10:27,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652778367] [2024-05-30 20:10:27,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:10:27,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:10:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:10:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 490 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-05-30 20:10:29,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:10:29,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652778367] [2024-05-30 20:10:29,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652778367] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:10:29,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929108889] [2024-05-30 20:10:29,591 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 20:10:29,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:10:29,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:10:29,593 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 20:10:29,594 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 20:10:29,789 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 20:10:29,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:10:29,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 70 conjunts are in the unsatisfiable core [2024-05-30 20:10:29,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:10:30,672 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 460 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-05-30 20:10:30,672 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:10:32,639 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 460 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-05-30 20:10:32,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929108889] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:10:32,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:10:32,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 37, 37] total 96 [2024-05-30 20:10:32,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312246901] [2024-05-30 20:10:32,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:10:32,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-05-30 20:10:32,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:10:32,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-05-30 20:10:32,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=582, Invalid=8538, Unknown=0, NotChecked=0, Total=9120 [2024-05-30 20:10:32,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:10:32,645 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:10:32,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 3.53125) internal successors, (339), 96 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:10:32,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:10:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:10:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:10:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:10:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-30 20:10:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2024-05-30 20:10:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-30 20:10:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-05-30 20:10:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-30 20:10:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2024-05-30 20:10:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:12:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:12:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:12:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:12:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:12:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-30 20:12:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2024-05-30 20:12:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-30 20:12:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-05-30 20:12:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-30 20:12:02,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2024-05-30 20:12:02,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2024-05-30 20:12:02,349 INFO L78 Accepts]: Start accepts. Automaton has currently 977 states, but on-demand construction may add more states Word has length 325 [2024-05-30 20:12:02,352 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:12:02,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-30 20:12:02,556 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,SelfDestructingSolverStorable10 [2024-05-30 20:12:02,556 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:12:02,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:12:02,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1241582727, now seen corresponding path program 11 times [2024-05-30 20:12:02,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:12:02,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931718876] [2024-05-30 20:12:02,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:12:02,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:12:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:12:06,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 1216 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-05-30 20:12:06,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:12:06,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931718876] [2024-05-30 20:12:06,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931718876] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:12:06,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667674669] [2024-05-30 20:12:06,733 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 20:12:06,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:12:06,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:12:06,736 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 20:12:06,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process Received shutdown request... [2024-05-30 20:20:40,261 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 20:20:40,261 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 20:20:40,261 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 20:20:41,279 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 20:20:41,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-05-30 20:20:41,462 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forcibly destroying the process [2024-05-30 20:20:41,472 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-30 20:20:41,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-05-30 20:20:41,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2024-05-30 20:20:41,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001275384] [2024-05-30 20:20:41,473 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-05-30 20:20:41,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 137 [2024-05-30 20:20:41,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-05-30 20:20:41,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:20:41,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-05-30 20:20:41,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=4124, Unknown=0, NotChecked=0, Total=4290 [2024-05-30 20:20:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:20:41,476 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:20:41,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 3.8636363636363638) internal successors, (255), 66 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:20:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:20:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 20:20:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-30 20:20:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-30 20:20:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-30 20:20:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2024-05-30 20:20:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-30 20:20:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-05-30 20:20:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-30 20:20:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2024-05-30 20:20:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2024-05-30 20:20:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:20:41,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-05-30 20:20:41,478 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-05-30 20:20:41,480 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 20:20:41,484 INFO L445 BasicCegarLoop]: Path program histogram: [11, 1] [2024-05-30 20:20:41,485 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/5) [2024-05-30 20:20:41,486 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 20:20:41,486 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 20:20:41,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 08:20:41 BasicIcfg [2024-05-30 20:20:41,489 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 20:20:41,489 INFO L158 Benchmark]: Toolchain (without parser) took 855253.88ms. Allocated memory was 294.6MB in the beginning and 1.1GB in the end (delta: 759.2MB). Free memory was 228.1MB in the beginning and 424.2MB in the end (delta: -196.1MB). Peak memory consumption was 564.1MB. Max. memory is 8.0GB. [2024-05-30 20:20:41,489 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 161.5MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 20:20:41,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.22ms. Allocated memory is still 294.6MB. Free memory was 228.1MB in the beginning and 216.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-30 20:20:41,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.93ms. Allocated memory is still 294.6MB. Free memory was 216.0MB in the beginning and 214.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 20:20:41,490 INFO L158 Benchmark]: Boogie Preprocessor took 23.24ms. Allocated memory is still 294.6MB. Free memory was 214.5MB in the beginning and 212.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-30 20:20:41,490 INFO L158 Benchmark]: RCFGBuilder took 415.75ms. Allocated memory is still 294.6MB. Free memory was 212.9MB in the beginning and 194.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2024-05-30 20:20:41,490 INFO L158 Benchmark]: TraceAbstraction took 854557.89ms. Allocated memory was 294.6MB in the beginning and 1.1GB in the end (delta: 759.2MB). Free memory was 192.5MB in the beginning and 424.2MB in the end (delta: -231.7MB). Peak memory consumption was 528.5MB. Max. memory is 8.0GB. [2024-05-30 20:20:41,491 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 161.5MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 214.22ms. Allocated memory is still 294.6MB. Free memory was 228.1MB in the beginning and 216.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.93ms. Allocated memory is still 294.6MB. Free memory was 216.0MB in the beginning and 214.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.24ms. Allocated memory is still 294.6MB. Free memory was 214.5MB in the beginning and 212.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 415.75ms. Allocated memory is still 294.6MB. Free memory was 212.9MB in the beginning and 194.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 854557.89ms. Allocated memory was 294.6MB in the beginning and 1.1GB in the end (delta: 759.2MB). Free memory was 192.5MB in the beginning and 424.2MB in the end (delta: -231.7MB). Peak memory consumption was 528.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 502732, independent: 491862, independent conditional: 491862, independent unconditional: 0, dependent: 10870, dependent conditional: 10870, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 494718, independent: 491862, independent conditional: 491862, independent unconditional: 0, dependent: 2856, dependent conditional: 2856, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 494718, independent: 491862, independent conditional: 491862, independent unconditional: 0, dependent: 2856, dependent conditional: 2856, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 509666, independent: 491862, independent conditional: 0, independent unconditional: 491862, dependent: 17804, dependent conditional: 14948, dependent unconditional: 2856, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 509666, independent: 491862, independent conditional: 0, independent unconditional: 491862, dependent: 17804, dependent conditional: 0, dependent unconditional: 17804, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 509666, independent: 491862, independent conditional: 0, independent unconditional: 491862, dependent: 17804, dependent conditional: 0, dependent unconditional: 17804, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 572, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 572, independent: 568, independent conditional: 0, independent unconditional: 568, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 509666, independent: 491293, independent conditional: 0, independent unconditional: 491293, dependent: 17801, dependent conditional: 0, dependent unconditional: 17801, unknown: 572, unknown conditional: 0, unknown unconditional: 572] , Statistics on independence cache: Total cache size (in pairs): 572, Positive cache size: 569, Positive conditional cache size: 0, Positive unconditional cache size: 569, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14948, Maximal queried relation: 11, Independence queries for same thread: 8014 - StatisticsResult: Visitor Statistics States: 3376, Transitions: 4450, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 3376, Transitions: 4081, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 129, Transitions: 135, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 8690, Transitions: 10458, Traversal time: 2.7s - StatisticsResult: Visitor Statistics States: 22633, Transitions: 27686, Traversal time: 5.0s - StatisticsResult: Visitor Statistics States: 22638, Transitions: 27691, Traversal time: 2.6s - StatisticsResult: Visitor Statistics States: 60382, Transitions: 73276, Traversal time: 8.8s - StatisticsResult: Visitor Statistics States: 260, Transitions: 266, Traversal time: 4.0s - StatisticsResult: Visitor Statistics States: 2248, Transitions: 2581, Traversal time: 7.3s - StatisticsResult: Visitor Statistics States: 2852, Transitions: 3285, Traversal time: 14.8s - StatisticsResult: Visitor Statistics States: 365, Transitions: 371, Traversal time: 173.8s - StatisticsResult: Visitor Statistics States: 420, Transitions: 426, Traversal time: 89.7s - StatisticsResult: Visitor Statistics States: 1, Transitions: 0, Traversal time: 0.0s - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 9 procedures, 170 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 854.3s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 309.5s, 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: 1026, 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: 0.3s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 23.5s InterpolantComputationTime, 3967 NumberOfCodeBlocks, 3922 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 5637 ConstructedInterpolants, 0 QuantifiedInterpolants, 23158 SizeOfPredicates, 170 NumberOfNonLiveVariables, 3604 ConjunctsInSsa, 340 ConjunctsInUnsatCore, 30 InterpolantComputations, 2 PerfectInterpolantSequences, 4170/9443 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