/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-bad-dot-product.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 08:14:00,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 08:14:00,774 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-03 08:14:00,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 08:14:00,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 08:14:00,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 08:14:00,800 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 08:14:00,800 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 08:14:00,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 08:14:00,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 08:14:00,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 08:14:00,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 08:14:00,805 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 08:14:00,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 08:14:00,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 08:14:00,807 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 08:14:00,807 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 08:14:00,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 08:14:00,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 08:14:00,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 08:14:00,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 08:14:00,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 08:14:00,808 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 08:14:00,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 08:14:00,809 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 08:14:00,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 08:14:00,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 08:14:00,809 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 08:14:00,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 08:14:00,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 08:14:00,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 08:14:00,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 08:14:00,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 08:14:00,811 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 08:14:00,811 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-03 08:14:00,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-03 08:14:00,811 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 08:14:00,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 08:14:00,811 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 08:14:00,812 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 08:14:01,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 08:14:01,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 08:14:01,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 08:14:01,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 08:14:01,033 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 08:14:01,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2024-05-03 08:14:02,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 08:14:02,176 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 08:14:02,177 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2024-05-03 08:14:02,185 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a2a40857d/73c7a4d91bf24fd6abe5fc47c9ae6c44/FLAG59473848b [2024-05-03 08:14:02,200 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a2a40857d/73c7a4d91bf24fd6abe5fc47c9ae6c44 [2024-05-03 08:14:02,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 08:14:02,203 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 08:14:02,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 08:14:02,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 08:14:02,213 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 08:14:02,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 08:14:02" (1/1) ... [2024-05-03 08:14:02,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b1a1ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:14:02, skipping insertion in model container [2024-05-03 08:14:02,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 08:14:02" (1/1) ... [2024-05-03 08:14:02,236 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 08:14:02,373 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-bad-dot-product.wvr.c[2865,2878] [2024-05-03 08:14:02,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 08:14:02,388 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 08:14:02,407 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-bad-dot-product.wvr.c[2865,2878] [2024-05-03 08:14:02,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 08:14:02,420 INFO L206 MainTranslator]: Completed translation [2024-05-03 08:14:02,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:14:02 WrapperNode [2024-05-03 08:14:02,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 08:14:02,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 08:14:02,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 08:14:02,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 08:14:02,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:14:02" (1/1) ... [2024-05-03 08:14:02,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:14:02" (1/1) ... [2024-05-03 08:14:02,472 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 22, statements flattened = 287 [2024-05-03 08:14:02,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 08:14:02,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 08:14:02,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 08:14:02,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 08:14:02,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:14:02" (1/1) ... [2024-05-03 08:14:02,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:14:02" (1/1) ... [2024-05-03 08:14:02,482 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:14:02" (1/1) ... [2024-05-03 08:14:02,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:14:02" (1/1) ... [2024-05-03 08:14:02,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:14:02" (1/1) ... [2024-05-03 08:14:02,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:14:02" (1/1) ... [2024-05-03 08:14:02,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:14:02" (1/1) ... [2024-05-03 08:14:02,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:14:02" (1/1) ... [2024-05-03 08:14:02,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 08:14:02,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 08:14:02,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 08:14:02,509 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 08:14:02,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:14:02" (1/1) ... [2024-05-03 08:14:02,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 08:14:02,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:02,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-03 08:14:02,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-03 08:14:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 08:14:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 08:14:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 08:14:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 08:14:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 08:14:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 08:14:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 08:14:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 08:14:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-03 08:14:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-03 08:14:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 08:14:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-03 08:14:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-03 08:14:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-03 08:14:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 08:14:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 08:14:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 08:14:02,584 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 08:14:02,663 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 08:14:02,665 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 08:14:02,986 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 08:14:03,126 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 08:14:03,127 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2024-05-03 08:14:03,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:14:03 BoogieIcfgContainer [2024-05-03 08:14:03,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 08:14:03,129 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 08:14:03,129 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 08:14:03,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 08:14:03,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 08:14:02" (1/3) ... [2024-05-03 08:14:03,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37284278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:14:03, skipping insertion in model container [2024-05-03 08:14:03,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:14:02" (2/3) ... [2024-05-03 08:14:03,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37284278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:14:03, skipping insertion in model container [2024-05-03 08:14:03,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:14:03" (3/3) ... [2024-05-03 08:14:03,133 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-05-03 08:14:03,142 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 08:14:03,149 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 08:14:03,149 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 08:14:03,149 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 08:14:03,219 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-03 08:14:03,265 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:14:03,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 08:14:03,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:03,268 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 08:14:03,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-03 08:14:03,294 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 08:14:03,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 08:14:03,304 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;@6a5b9b12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:14:03,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 08:14:04,198 INFO L78 Accepts]: Start accepts. Automaton has currently 18019 states, but on-demand construction may add more states Word has length 193 [2024-05-03 08:14:04,200 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:04,201 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:04,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:04,208 INFO L85 PathProgramCache]: Analyzing trace with hash -986516615, now seen corresponding path program 1 times [2024-05-03 08:14:04,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:04,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603701599] [2024-05-03 08:14:04,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:04,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:04,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-03 08:14:04,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:04,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603701599] [2024-05-03 08:14:04,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603701599] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 08:14:04,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 08:14:04,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 08:14:04,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817742620] [2024-05-03 08:14:04,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 08:14:04,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-03 08:14:04,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:04,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-03 08:14:04,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-03 08:14:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:04,629 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:04,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 96.5) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:04,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:05,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:05,123 INFO L78 Accepts]: Start accepts. Automaton has currently 18023 states, but on-demand construction may add more states Word has length 189 [2024-05-03 08:14:05,125 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:05,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 08:14:05,126 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:05,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:05,126 INFO L85 PathProgramCache]: Analyzing trace with hash 2117898479, now seen corresponding path program 1 times [2024-05-03 08:14:05,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:05,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828812041] [2024-05-03 08:14:05,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:05,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:05,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 08:14:05,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:05,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828812041] [2024-05-03 08:14:05,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828812041] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 08:14:05,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 08:14:05,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-05-03 08:14:05,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099355344] [2024-05-03 08:14:05,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 08:14:05,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-03 08:14:05,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:05,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-03 08:14:05,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-05-03 08:14:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:05,539 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:05,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.88888888888889) internal successors, (188), 9 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:05,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:05,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:06,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:06,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:06,113 INFO L78 Accepts]: Start accepts. Automaton has currently 18031 states, but on-demand construction may add more states Word has length 197 [2024-05-03 08:14:06,115 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:06,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 08:14:06,116 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:06,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:06,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1274877195, now seen corresponding path program 1 times [2024-05-03 08:14:06,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:06,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587118603] [2024-05-03 08:14:06,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:06,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:06,369 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-03 08:14:06,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:06,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587118603] [2024-05-03 08:14:06,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587118603] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:14:06,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333813799] [2024-05-03 08:14:06,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:06,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:06,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:06,406 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:14:06,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-03 08:14:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:06,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-03 08:14:06,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:14:06,711 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-03 08:14:06,712 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:14:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-03 08:14:06,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333813799] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-03 08:14:06,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-03 08:14:06,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2024-05-03 08:14:06,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621972373] [2024-05-03 08:14:06,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 08:14:06,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-03 08:14:06,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:06,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-03 08:14:06,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-05-03 08:14:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:06,914 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:06,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.857142857142858) internal successors, (195), 7 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:06,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:06,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:06,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:07,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:07,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:07,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:07,027 INFO L78 Accepts]: Start accepts. Automaton has currently 1619 states, but on-demand construction may add more states Word has length 214 [2024-05-03 08:14:07,029 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:07,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-03 08:14:07,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-03 08:14:07,235 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:07,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:07,236 INFO L85 PathProgramCache]: Analyzing trace with hash 858299120, now seen corresponding path program 1 times [2024-05-03 08:14:07,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:07,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489770490] [2024-05-03 08:14:07,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:07,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:07,522 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-03 08:14:07,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:07,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489770490] [2024-05-03 08:14:07,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489770490] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:14:07,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067715606] [2024-05-03 08:14:07,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:07,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:07,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:07,525 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:14:07,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-03 08:14:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:07,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-03 08:14:07,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:14:07,922 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-03 08:14:07,923 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:14:08,169 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-03 08:14:08,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067715606] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:14:08,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:14:08,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-05-03 08:14:08,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032290155] [2024-05-03 08:14:08,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:14:08,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-03 08:14:08,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:08,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-03 08:14:08,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2024-05-03 08:14:08,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:08,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:08,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 11.36) internal successors, (284), 25 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:08,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:08,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:08,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:08,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:08,490 INFO L78 Accepts]: Start accepts. Automaton has currently 1628 states, but on-demand construction may add more states Word has length 222 [2024-05-03 08:14:08,492 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:08,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-03 08:14:08,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:08,697 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:08,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:08,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1517515690, now seen corresponding path program 2 times [2024-05-03 08:14:08,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:08,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656317321] [2024-05-03 08:14:08,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:08,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:08,955 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-03 08:14:08,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:08,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656317321] [2024-05-03 08:14:08,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656317321] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:14:08,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287220167] [2024-05-03 08:14:08,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 08:14:08,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:08,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:08,957 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:14:08,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-03 08:14:09,104 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 08:14:09,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:14:09,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-03 08:14:09,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:14:09,213 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-03 08:14:09,213 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:14:09,305 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-03 08:14:09,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287220167] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:14:09,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:14:09,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 21 [2024-05-03 08:14:09,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843880918] [2024-05-03 08:14:09,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:14:09,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-05-03 08:14:09,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:09,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-05-03 08:14:09,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2024-05-03 08:14:09,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:09,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:09,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 17.428571428571427) internal successors, (366), 21 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:09,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:09,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:09,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:09,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:09,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:10,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:10,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:10,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:10,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:10,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:10,106 INFO L78 Accepts]: Start accepts. Automaton has currently 18928 states, but on-demand construction may add more states Word has length 239 [2024-05-03 08:14:10,108 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:10,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-03 08:14:10,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:10,314 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:10,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:10,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1241648421, now seen corresponding path program 3 times [2024-05-03 08:14:10,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:10,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72172872] [2024-05-03 08:14:10,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:10,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:10,759 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-05-03 08:14:10,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:10,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72172872] [2024-05-03 08:14:10,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72172872] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 08:14:10,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 08:14:10,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-05-03 08:14:10,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710349459] [2024-05-03 08:14:10,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 08:14:10,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-05-03 08:14:10,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:10,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-05-03 08:14:10,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-05-03 08:14:10,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:10,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:10,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 17.75) internal successors, (213), 12 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:10,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:10,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:10,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:10,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:10,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:10,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:11,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:11,319 INFO L78 Accepts]: Start accepts. Automaton has currently 18936 states, but on-demand construction may add more states Word has length 247 [2024-05-03 08:14:11,321 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:11,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-03 08:14:11,322 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:11,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:11,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1858181700, now seen corresponding path program 1 times [2024-05-03 08:14:11,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:11,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551043836] [2024-05-03 08:14:11,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:11,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:11,759 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-05-03 08:14:11,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:11,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551043836] [2024-05-03 08:14:11,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551043836] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:14:11,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442968640] [2024-05-03 08:14:11,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:11,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:11,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:11,761 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:14:11,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-03 08:14:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:11,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-03 08:14:11,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:14:12,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-05-03 08:14:12,212 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-05-03 08:14:12,212 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:14:12,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-05-03 08:14:12,598 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-05-03 08:14:12,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442968640] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:14:12,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:14:12,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2024-05-03 08:14:12,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183601875] [2024-05-03 08:14:12,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:14:12,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-05-03 08:14:12,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:12,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-05-03 08:14:12,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=937, Unknown=0, NotChecked=0, Total=1056 [2024-05-03 08:14:12,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:12,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:12,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 8.878787878787879) internal successors, (293), 33 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:12,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:12,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:12,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:12,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:12,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:12,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:12,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:13,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:13,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:13,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:13,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:13,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:13,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:13,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:13,466 INFO L78 Accepts]: Start accepts. Automaton has currently 18945 states, but on-demand construction may add more states Word has length 255 [2024-05-03 08:14:13,467 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:13,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-03 08:14:13,672 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,SelfDestructingSolverStorable6 [2024-05-03 08:14:13,673 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:13,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:13,673 INFO L85 PathProgramCache]: Analyzing trace with hash -166565987, now seen corresponding path program 2 times [2024-05-03 08:14:13,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:13,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317172013] [2024-05-03 08:14:13,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:13,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:14,554 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-05-03 08:14:14,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:14,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317172013] [2024-05-03 08:14:14,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317172013] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:14:14,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208083183] [2024-05-03 08:14:14,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 08:14:14,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:14,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:14,560 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:14:14,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-03 08:14:14,713 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 08:14:14,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:14:14,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-03 08:14:14,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:14:15,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-05-03 08:14:15,318 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-03 08:14:15,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:14:15,745 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 08:14:15,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2024-05-03 08:14:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-03 08:14:16,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208083183] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:14:16,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:14:16,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 22] total 60 [2024-05-03 08:14:16,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241113080] [2024-05-03 08:14:16,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:14:16,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-05-03 08:14:16,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:16,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-05-03 08:14:16,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=3220, Unknown=0, NotChecked=0, Total=3540 [2024-05-03 08:14:16,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:16,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:16,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 8.75) internal successors, (525), 60 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:16,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:16,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:16,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:16,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:16,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:16,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:16,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:16,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:23,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:23,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:23,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:23,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:23,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:23,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:23,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:23,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:23,600 INFO L78 Accepts]: Start accepts. Automaton has currently 42400 states, but on-demand construction may add more states Word has length 280 [2024-05-03 08:14:23,602 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:23,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-03 08:14:23,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:23,809 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:23,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:23,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1472108492, now seen corresponding path program 3 times [2024-05-03 08:14:23,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:23,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870973336] [2024-05-03 08:14:23,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:23,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:24,126 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 2 proven. 44 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-03 08:14:24,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:24,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870973336] [2024-05-03 08:14:24,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870973336] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:14:24,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304060232] [2024-05-03 08:14:24,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 08:14:24,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:24,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:24,128 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:14:24,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-03 08:14:24,313 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-03 08:14:24,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:14:24,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-03 08:14:24,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:14:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-05-03 08:14:24,565 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:14:24,760 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-05-03 08:14:24,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304060232] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:14:24,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:14:24,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 31 [2024-05-03 08:14:24,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30152838] [2024-05-03 08:14:24,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:14:24,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-05-03 08:14:24,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:24,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-05-03 08:14:24,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=840, Unknown=0, NotChecked=0, Total=930 [2024-05-03 08:14:24,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:24,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:24,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 14.774193548387096) internal successors, (458), 31 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:24,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:24,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:24,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:24,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:24,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:24,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:24,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:24,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:24,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:26,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:26,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:26,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:14:26,144 INFO L78 Accepts]: Start accepts. Automaton has currently 44300 states, but on-demand construction may add more states Word has length 297 [2024-05-03 08:14:26,145 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:26,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-03 08:14:26,351 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,SelfDestructingSolverStorable8 [2024-05-03 08:14:26,351 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:26,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:26,351 INFO L85 PathProgramCache]: Analyzing trace with hash -928793931, now seen corresponding path program 4 times [2024-05-03 08:14:26,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:26,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208381422] [2024-05-03 08:14:26,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:26,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:27,597 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 11 proven. 63 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-05-03 08:14:27,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:27,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208381422] [2024-05-03 08:14:27,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208381422] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:14:27,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019554963] [2024-05-03 08:14:27,598 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 08:14:27,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:27,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:27,599 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) [2024-05-03 08:14:27,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-03 08:14:27,715 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 08:14:27,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:14:27,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-03 08:14:27,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:14:28,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-05-03 08:14:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 11 proven. 75 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-05-03 08:14:28,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:14:28,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 08:14:28,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-05-03 08:14:28,273 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 59 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-05-03 08:14:28,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019554963] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:14:28,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:14:28,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 13] total 40 [2024-05-03 08:14:28,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170989469] [2024-05-03 08:14:28,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:14:28,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-05-03 08:14:28,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:28,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-05-03 08:14:28,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1412, Unknown=0, NotChecked=0, Total=1560 [2024-05-03 08:14:28,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:28,278 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:28,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 11.875) internal successors, (475), 40 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:28,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:28,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:28,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:28,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:28,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:28,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:28,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:28,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:28,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:14:28,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:14:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:14:30,860 INFO L78 Accepts]: Start accepts. Automaton has currently 56067 states, but on-demand construction may add more states Word has length 314 [2024-05-03 08:14:30,862 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:30,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-03 08:14:31,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:31,065 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:31,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:31,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1003877406, now seen corresponding path program 5 times [2024-05-03 08:14:31,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:31,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736612448] [2024-05-03 08:14:31,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:31,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:31,486 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 22 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-05-03 08:14:31,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:31,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736612448] [2024-05-03 08:14:31,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736612448] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:14:31,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789947957] [2024-05-03 08:14:31,486 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 08:14:31,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:31,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:31,487 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) [2024-05-03 08:14:31,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-03 08:14:31,636 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-05-03 08:14:31,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:14:31,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-03 08:14:31,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:14:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 39 proven. 49 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-05-03 08:14:32,105 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:14:32,531 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 39 proven. 49 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-05-03 08:14:32,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789947957] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:14:32,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:14:32,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2024-05-03 08:14:32,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573905566] [2024-05-03 08:14:32,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:14:32,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-05-03 08:14:32,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:32,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-05-03 08:14:32,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=1585, Unknown=0, NotChecked=0, Total=1892 [2024-05-03 08:14:32,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:32,539 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:32,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 9.295454545454545) internal successors, (409), 44 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:32,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:32,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:32,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:32,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:32,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:32,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:32,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:32,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:32,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:14:32,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:14:32,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:33,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:33,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:33,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:33,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:33,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:33,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:33,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:33,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:33,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:14:33,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:14:33,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:14:33,920 INFO L78 Accepts]: Start accepts. Automaton has currently 56076 states, but on-demand construction may add more states Word has length 322 [2024-05-03 08:14:33,922 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:33,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-03 08:14:34,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:34,128 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:34,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:34,128 INFO L85 PathProgramCache]: Analyzing trace with hash 2019409820, now seen corresponding path program 6 times [2024-05-03 08:14:34,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:34,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576688401] [2024-05-03 08:14:34,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:34,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:34,474 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 12 proven. 94 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-05-03 08:14:34,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:34,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576688401] [2024-05-03 08:14:34,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576688401] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:14:34,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393643584] [2024-05-03 08:14:34,475 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 08:14:34,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:34,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:34,476 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) [2024-05-03 08:14:34,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-03 08:14:34,704 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-05-03 08:14:34,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:14:34,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-03 08:14:34,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:14:35,137 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 27 proven. 79 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-05-03 08:14:35,138 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:14:35,651 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 52 proven. 54 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-05-03 08:14:35,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393643584] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:14:35,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:14:35,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2024-05-03 08:14:35,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082334626] [2024-05-03 08:14:35,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:14:35,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-05-03 08:14:35,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:35,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-05-03 08:14:35,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=1575, Unknown=0, NotChecked=0, Total=1892 [2024-05-03 08:14:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:35,655 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:35,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 9.522727272727273) internal successors, (419), 44 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:35,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:35,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:35,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:35,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:35,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:35,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:35,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:35,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:35,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:14:35,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:14:35,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:14:35,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:14:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:14:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:14:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:14:37,466 INFO L78 Accepts]: Start accepts. Automaton has currently 58508 states, but on-demand construction may add more states Word has length 339 [2024-05-03 08:14:37,469 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:37,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-03 08:14:37,675 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,SelfDestructingSolverStorable11 [2024-05-03 08:14:37,676 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:37,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:37,676 INFO L85 PathProgramCache]: Analyzing trace with hash 938964393, now seen corresponding path program 7 times [2024-05-03 08:14:37,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:37,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103956901] [2024-05-03 08:14:37,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:37,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:39,334 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 16 proven. 199 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-03 08:14:39,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:39,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103956901] [2024-05-03 08:14:39,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103956901] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:14:39,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367059759] [2024-05-03 08:14:39,334 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 08:14:39,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:39,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:39,335 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) [2024-05-03 08:14:39,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-03 08:14:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:39,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 42 conjunts are in the unsatisfiable core [2024-05-03 08:14:39,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:14:40,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-05-03 08:14:40,147 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 19 proven. 181 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-05-03 08:14:40,147 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:14:40,444 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 08:14:40,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-05-03 08:14:40,497 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 20 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-05-03 08:14:40,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367059759] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:14:40,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:14:40,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 21, 17] total 62 [2024-05-03 08:14:40,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848650371] [2024-05-03 08:14:40,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:14:40,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-05-03 08:14:40,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:40,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-05-03 08:14:40,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=3584, Unknown=0, NotChecked=0, Total=3782 [2024-05-03 08:14:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:40,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:40,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 9.870967741935484) internal successors, (612), 62 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:14:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:14:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:14:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:14:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:45,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:14:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:14:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:14:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:14:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:14:45,992 INFO L78 Accepts]: Start accepts. Automaton has currently 70284 states, but on-demand construction may add more states Word has length 364 [2024-05-03 08:14:45,995 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:46,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-03 08:14:46,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:46,195 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:46,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:46,196 INFO L85 PathProgramCache]: Analyzing trace with hash -893886163, now seen corresponding path program 8 times [2024-05-03 08:14:46,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:46,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438110893] [2024-05-03 08:14:46,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:46,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:46,829 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 49 proven. 118 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-05-03 08:14:46,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:46,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438110893] [2024-05-03 08:14:46,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438110893] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:14:46,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348897587] [2024-05-03 08:14:46,830 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 08:14:46,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:46,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:46,831 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:14:46,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-03 08:14:46,985 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 08:14:46,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:14:46,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-03 08:14:46,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:14:47,598 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 82 proven. 85 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-05-03 08:14:47,599 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:14:48,149 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 82 proven. 85 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-05-03 08:14:48,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348897587] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:14:48,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:14:48,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2024-05-03 08:14:48,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706781] [2024-05-03 08:14:48,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:14:48,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-05-03 08:14:48,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:48,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-05-03 08:14:48,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=442, Invalid=2420, Unknown=0, NotChecked=0, Total=2862 [2024-05-03 08:14:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:48,152 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:48,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 8.648148148148149) internal successors, (467), 54 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:48,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:48,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:48,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:48,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:48,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:48,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:48,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:48,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:48,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:14:48,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:14:48,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:14:48,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:14:48,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:14:48,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:14:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:14:50,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:14:50,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:14:50,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:14:50,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:14:50,196 INFO L78 Accepts]: Start accepts. Automaton has currently 70293 states, but on-demand construction may add more states Word has length 372 [2024-05-03 08:14:50,200 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:50,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-03 08:14:50,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-03 08:14:50,406 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:50,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:50,406 INFO L85 PathProgramCache]: Analyzing trace with hash -989007257, now seen corresponding path program 9 times [2024-05-03 08:14:50,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:50,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988561958] [2024-05-03 08:14:50,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:50,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:51,014 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 30 proven. 161 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-05-03 08:14:51,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:51,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988561958] [2024-05-03 08:14:51,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988561958] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:14:51,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053040620] [2024-05-03 08:14:51,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 08:14:51,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:51,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:51,016 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:14:51,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-03 08:14:51,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-03 08:14:51,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:14:51,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-03 08:14:51,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:14:51,770 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 08:14:51,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 17 [2024-05-03 08:14:51,962 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 52 proven. 30 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-05-03 08:14:51,962 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:14:52,525 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 08:14:52,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 17 [2024-05-03 08:14:52,581 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 54 proven. 28 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-05-03 08:14:52,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053040620] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:14:52,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:14:52,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 15, 16] total 44 [2024-05-03 08:14:52,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599431198] [2024-05-03 08:14:52,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:14:52,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-05-03 08:14:52,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:52,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-05-03 08:14:52,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1707, Unknown=0, NotChecked=0, Total=1892 [2024-05-03 08:14:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:52,584 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:52,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 12.0) internal successors, (528), 44 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:14:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:14:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:14:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:14:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:14:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:14:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:55,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:55,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:55,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:55,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:55,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:55,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:55,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:14:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:14:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:14:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:14:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:14:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:14:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:14:55,837 INFO L78 Accepts]: Start accepts. Automaton has currently 12354 states, but on-demand construction may add more states Word has length 406 [2024-05-03 08:14:55,840 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:55,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-03 08:14:56,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-03 08:14:56,041 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:56,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:56,041 INFO L85 PathProgramCache]: Analyzing trace with hash 602192523, now seen corresponding path program 10 times [2024-05-03 08:14:56,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:56,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194614742] [2024-05-03 08:14:56,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:56,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:56,633 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 42 proven. 178 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-05-03 08:14:56,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:56,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194614742] [2024-05-03 08:14:56,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194614742] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:14:56,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160641729] [2024-05-03 08:14:56,634 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 08:14:56,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:56,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:56,635 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:14:56,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-03 08:14:56,784 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 08:14:56,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:14:56,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-03 08:14:56,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:14:57,569 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 75 proven. 145 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-05-03 08:14:57,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:14:58,255 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 75 proven. 145 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-05-03 08:14:58,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160641729] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:14:58,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:14:58,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2024-05-03 08:14:58,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060904498] [2024-05-03 08:14:58,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:14:58,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-05-03 08:14:58,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:14:58,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-05-03 08:14:58,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=585, Invalid=3447, Unknown=0, NotChecked=0, Total=4032 [2024-05-03 08:14:58,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:58,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:14:58,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 8.578125) internal successors, (549), 64 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:14:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:14:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:14:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:14:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:14:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:14:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:14:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:14:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:59,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:14:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:14:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:14:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:14:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:14:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:14:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:14:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:14:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:14:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:14:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:14:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:14:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:14:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:14:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:14:59,194 INFO L78 Accepts]: Start accepts. Automaton has currently 12363 states, but on-demand construction may add more states Word has length 414 [2024-05-03 08:14:59,197 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:14:59,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-05-03 08:14:59,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-03 08:14:59,398 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:14:59,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:14:59,398 INFO L85 PathProgramCache]: Analyzing trace with hash -171498683, now seen corresponding path program 11 times [2024-05-03 08:14:59,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:14:59,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848776797] [2024-05-03 08:14:59,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:14:59,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:14:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:14:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 56 proven. 245 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-05-03 08:14:59,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:14:59,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848776797] [2024-05-03 08:14:59,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848776797] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:14:59,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361160154] [2024-05-03 08:14:59,970 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 08:14:59,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:14:59,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:14:59,971 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:14:59,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-03 08:15:00,245 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-05-03 08:15:00,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:15:00,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-03 08:15:00,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:15:00,935 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 75 proven. 235 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-05-03 08:15:00,935 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:15:01,486 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 75 proven. 235 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-05-03 08:15:01,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361160154] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:15:01,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:15:01,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 25] total 61 [2024-05-03 08:15:01,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324526643] [2024-05-03 08:15:01,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:15:01,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-05-03 08:15:01,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:15:01,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-05-03 08:15:01,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=3408, Unknown=0, NotChecked=0, Total=3660 [2024-05-03 08:15:01,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:15:01,490 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:15:01,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 12.032786885245901) internal successors, (734), 61 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:15:01,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:15:07,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:15:07,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:15:07,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:15:07,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:15:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:15:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:15:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:15:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:15:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:15:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:15:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:15:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:15:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:15:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:15:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:15:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:15:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:15:07,093 INFO L78 Accepts]: Start accepts. Automaton has currently 108336 states, but on-demand construction may add more states Word has length 438 [2024-05-03 08:15:07,098 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:15:07,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-05-03 08:15:07,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-03 08:15:07,299 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:15:07,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:15:07,300 INFO L85 PathProgramCache]: Analyzing trace with hash 90441868, now seen corresponding path program 1 times [2024-05-03 08:15:07,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:15:07,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121636911] [2024-05-03 08:15:07,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:15:07,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:15:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:15:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 56 proven. 187 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-05-03 08:15:08,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:15:08,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121636911] [2024-05-03 08:15:08,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121636911] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:15:08,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036110243] [2024-05-03 08:15:08,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:15:08,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:15:08,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:15:08,073 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:15:08,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-03 08:15:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:15:08,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-03 08:15:08,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:15:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 376 proven. 126 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-05-03 08:15:09,187 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:15:10,171 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 376 proven. 126 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-05-03 08:15:10,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036110243] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:15:10,171 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:15:10,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 31, 31] total 86 [2024-05-03 08:15:10,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598275832] [2024-05-03 08:15:10,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:15:10,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-05-03 08:15:10,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:15:10,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-05-03 08:15:10,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=693, Invalid=6617, Unknown=0, NotChecked=0, Total=7310 [2024-05-03 08:15:10,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:15:10,175 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:15:10,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 9.511627906976743) internal successors, (818), 86 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:15:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:15:21,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:15:21,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:15:21,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:15:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:15:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:15:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:15:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:15:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:15:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:15:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:15:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:15:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:15:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:15:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:15:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:15:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:15:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:15:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:15:21,825 INFO L78 Accepts]: Start accepts. Automaton has currently 261917 states, but on-demand construction may add more states Word has length 463 [2024-05-03 08:15:21,829 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:15:21,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-03 08:15:22,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-03 08:15:22,029 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:15:22,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:15:22,030 INFO L85 PathProgramCache]: Analyzing trace with hash 235901297, now seen corresponding path program 2 times [2024-05-03 08:15:22,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:15:22,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999688758] [2024-05-03 08:15:22,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:15:22,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:15:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:15:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 90 proven. 273 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-05-03 08:15:22,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:15:22,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999688758] [2024-05-03 08:15:22,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999688758] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:15:22,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287396721] [2024-05-03 08:15:22,945 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 08:15:22,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:15:22,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:15:22,946 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:15:22,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-03 08:15:23,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 08:15:23,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:15:23,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-03 08:15:23,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:15:24,351 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 128 proven. 235 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-05-03 08:15:24,351 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:15:25,434 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 177 proven. 186 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-05-03 08:15:25,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287396721] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:15:25,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:15:25,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 81 [2024-05-03 08:15:25,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284568299] [2024-05-03 08:15:25,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:15:25,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-05-03 08:15:25,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:15:25,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-05-03 08:15:25,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=815, Invalid=5665, Unknown=0, NotChecked=0, Total=6480 [2024-05-03 08:15:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:15:25,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:15:25,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 7.814814814814815) internal successors, (633), 81 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:15:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:15:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:15:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-05-03 08:15:40,865 INFO L78 Accepts]: Start accepts. Automaton has currently 370047 states, but on-demand construction may add more states Word has length 480 [2024-05-03 08:15:40,869 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:15:40,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-05-03 08:15:41,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:15:41,070 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:15:41,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:15:41,070 INFO L85 PathProgramCache]: Analyzing trace with hash -263781210, now seen corresponding path program 3 times [2024-05-03 08:15:41,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:15:41,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744247041] [2024-05-03 08:15:41,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:15:41,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:15:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:15:43,612 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 43 proven. 775 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-05-03 08:15:43,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:15:43,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744247041] [2024-05-03 08:15:43,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744247041] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:15:43,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266794878] [2024-05-03 08:15:43,612 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 08:15:43,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:15:43,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:15:43,614 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:15:43,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-05-03 08:15:43,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-03 08:15:43,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:15:43,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 25 conjunts are in the unsatisfiable core [2024-05-03 08:15:43,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:15:44,372 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 08:15:44,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 17 [2024-05-03 08:15:44,815 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 196 proven. 61 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2024-05-03 08:15:44,815 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:15:45,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-05-03 08:15:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 148 proven. 109 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2024-05-03 08:15:45,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266794878] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:15:45,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:15:45,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 22, 22] total 80 [2024-05-03 08:15:45,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780890041] [2024-05-03 08:15:45,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:15:45,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-05-03 08:15:45,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:15:45,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-05-03 08:15:45,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=6035, Unknown=0, NotChecked=0, Total=6320 [2024-05-03 08:15:45,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:15:45,717 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:15:45,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 9.2) internal successors, (736), 80 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:15:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:15:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:15:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:15:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:15:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:15:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:15:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:15:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:15:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:15:45,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:15:45,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:15:45,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:15:45,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:15:45,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:15:45,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:15:45,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:15:45,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:15:45,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:15:45,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-05-03 08:15:45,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:17:55,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:17:55,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:17:55,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:17:55,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:17:55,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:17:55,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:17:55,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:17:55,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:17:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:17:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:17:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:17:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:17:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:17:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:17:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:17:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:17:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:17:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:17:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-05-03 08:17:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1269 states. [2024-05-03 08:17:55,953 INFO L78 Accepts]: Start accepts. Automaton has currently 121188 states, but on-demand construction may add more states Word has length 586 [2024-05-03 08:17:55,959 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:17:55,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-05-03 08:17:56,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:17:56,160 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:17:56,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:17:56,161 INFO L85 PathProgramCache]: Analyzing trace with hash 593361089, now seen corresponding path program 4 times [2024-05-03 08:17:56,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:17:56,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490823456] [2024-05-03 08:17:56,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:17:56,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:17:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:17:57,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 399 proven. 274 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2024-05-03 08:17:57,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:17:57,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490823456] [2024-05-03 08:17:57,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490823456] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:17:57,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750292573] [2024-05-03 08:17:57,324 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 08:17:57,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:17:57,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:17:57,325 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:17:57,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-05-03 08:17:57,534 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 08:17:57,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:17:57,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-03 08:17:57,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:17:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 498 proven. 175 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2024-05-03 08:17:58,596 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:17:59,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 498 proven. 175 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2024-05-03 08:17:59,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750292573] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:17:59,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:17:59,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 84 [2024-05-03 08:17:59,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904122751] [2024-05-03 08:17:59,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:17:59,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-05-03 08:17:59,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:17:59,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-05-03 08:17:59,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1042, Invalid=5930, Unknown=0, NotChecked=0, Total=6972 [2024-05-03 08:17:59,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:17:59,460 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:17:59,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 8.0) internal successors, (672), 84 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1269 states. [2024-05-03 08:17:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-05-03 08:18:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1269 states. [2024-05-03 08:18:03,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 08:18:03,413 INFO L78 Accepts]: Start accepts. Automaton has currently 121197 states, but on-demand construction may add more states Word has length 594 [2024-05-03 08:18:03,418 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:18:03,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-05-03 08:18:03,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:18:03,625 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:18:03,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:18:03,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1060390789, now seen corresponding path program 5 times [2024-05-03 08:18:03,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:18:03,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625530015] [2024-05-03 08:18:03,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:18:03,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:18:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:18:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 203 proven. 559 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2024-05-03 08:18:04,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:18:04,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625530015] [2024-05-03 08:18:04,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625530015] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:18:04,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793986858] [2024-05-03 08:18:04,886 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 08:18:04,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:18:04,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:18:04,887 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:18:04,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-05-03 08:18:05,651 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-05-03 08:18:05,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:18:05,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-03 08:18:05,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:18:07,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 400 proven. 648 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-05-03 08:18:07,182 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:18:08,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 370 proven. 678 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-05-03 08:18:08,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793986858] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:18:08,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:18:08,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 85 [2024-05-03 08:18:08,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820091964] [2024-05-03 08:18:08,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:18:08,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-05-03 08:18:08,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:18:08,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-05-03 08:18:08,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=6561, Unknown=0, NotChecked=0, Total=7140 [2024-05-03 08:18:08,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:08,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:18:08,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 11.0) internal successors, (935), 85 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:18:08,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:08,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:18:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:18:08,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-05-03 08:18:08,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1269 states. [2024-05-03 08:18:08,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 08:18:08,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:15,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1269 states. [2024-05-03 08:18:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 08:18:15,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-03 08:18:15,241 INFO L78 Accepts]: Start accepts. Automaton has currently 163625 states, but on-demand construction may add more states Word has length 670 [2024-05-03 08:18:15,248 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:18:15,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-05-03 08:18:15,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-05-03 08:18:15,460 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:18:15,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:18:15,461 INFO L85 PathProgramCache]: Analyzing trace with hash 2102050421, now seen corresponding path program 6 times [2024-05-03 08:18:15,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:18:15,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089418313] [2024-05-03 08:18:15,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:18:15,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:18:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:18:16,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2138 backedges. 972 proven. 426 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2024-05-03 08:18:16,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:18:16,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089418313] [2024-05-03 08:18:16,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089418313] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:18:16,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371146843] [2024-05-03 08:18:16,715 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 08:18:16,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:18:16,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:18:16,716 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:18:16,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-05-03 08:18:17,214 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-05-03 08:18:17,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:18:17,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-03 08:18:17,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:18:17,845 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 08:18:17,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 17 [2024-05-03 08:18:18,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2138 backedges. 411 proven. 110 refuted. 0 times theorem prover too weak. 1617 trivial. 0 not checked. [2024-05-03 08:18:18,109 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:18:18,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-05-03 08:18:18,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2138 backedges. 283 proven. 238 refuted. 0 times theorem prover too weak. 1617 trivial. 0 not checked. [2024-05-03 08:18:18,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371146843] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:18:18,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:18:18,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 23, 23] total 72 [2024-05-03 08:18:18,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601502644] [2024-05-03 08:18:18,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:18:18,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-05-03 08:18:18,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:18:18,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-05-03 08:18:18,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=326, Invalid=4786, Unknown=0, NotChecked=0, Total=5112 [2024-05-03 08:18:18,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:18,939 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:18:18,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 10.583333333333334) internal successors, (762), 72 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:18:18,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:18,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:18,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:18,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:18:18,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:18:18,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:18:18,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1269 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-03 08:18:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:18:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:18:28,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:18:28,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:18:28,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-05-03 08:18:28,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1269 states. [2024-05-03 08:18:28,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 08:18:28,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-03 08:18:28,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-05-03 08:18:28,352 INFO L78 Accepts]: Start accepts. Automaton has currently 164963 states, but on-demand construction may add more states Word has length 695 [2024-05-03 08:18:28,360 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:18:28,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-05-03 08:18:28,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:18:28,560 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:18:28,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:18:28,561 INFO L85 PathProgramCache]: Analyzing trace with hash 357638494, now seen corresponding path program 7 times [2024-05-03 08:18:28,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:18:28,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566358170] [2024-05-03 08:18:28,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:18:28,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:18:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:18:30,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2250 backedges. 992 proven. 515 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2024-05-03 08:18:30,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:18:30,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566358170] [2024-05-03 08:18:30,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566358170] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:18:30,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673557296] [2024-05-03 08:18:30,222 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 08:18:30,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:18:30,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:18:30,223 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:18:30,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-05-03 08:18:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:18:30,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 46 conjunts are in the unsatisfiable core [2024-05-03 08:18:30,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:18:31,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2250 backedges. 1137 proven. 370 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2024-05-03 08:18:31,975 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:18:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2250 backedges. 1137 proven. 370 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2024-05-03 08:18:33,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673557296] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:18:33,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:18:33,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 114 [2024-05-03 08:18:33,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565015699] [2024-05-03 08:18:33,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:18:33,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-05-03 08:18:33,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:18:33,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-05-03 08:18:33,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1855, Invalid=11027, Unknown=0, NotChecked=0, Total=12882 [2024-05-03 08:18:33,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:33,300 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:18:33,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 7.37719298245614) internal successors, (841), 114 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1269 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-05-03 08:18:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1269 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-03 08:18:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-05-03 08:18:39,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 08:18:39,526 INFO L78 Accepts]: Start accepts. Automaton has currently 164972 states, but on-demand construction may add more states Word has length 703 [2024-05-03 08:18:39,536 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:18:39,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-05-03 08:18:39,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-05-03 08:18:39,736 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:18:39,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:18:39,737 INFO L85 PathProgramCache]: Analyzing trace with hash 2073262052, now seen corresponding path program 8 times [2024-05-03 08:18:39,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:18:39,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155653287] [2024-05-03 08:18:39,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:18:39,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:18:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:18:41,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2331 backedges. 993 proven. 614 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2024-05-03 08:18:41,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:18:41,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155653287] [2024-05-03 08:18:41,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155653287] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:18:41,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145594916] [2024-05-03 08:18:41,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 08:18:41,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:18:41,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:18:41,623 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:18:41,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-05-03 08:18:41,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 08:18:41,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:18:41,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 50 conjunts are in the unsatisfiable core [2024-05-03 08:18:41,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:18:43,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2331 backedges. 1156 proven. 451 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2024-05-03 08:18:43,913 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:18:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2331 backedges. 1156 proven. 451 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2024-05-03 08:18:45,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145594916] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:18:45,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:18:45,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 124 [2024-05-03 08:18:45,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56451913] [2024-05-03 08:18:45,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:18:45,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2024-05-03 08:18:45,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:18:45,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2024-05-03 08:18:45,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2178, Invalid=13074, Unknown=0, NotChecked=0, Total=15252 [2024-05-03 08:18:45,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:45,434 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:18:45,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 7.290322580645161) internal successors, (904), 124 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:18:45,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:45,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:45,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:45,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:18:45,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:18:45,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:18:45,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:18:45,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1269 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 08:18:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:18:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:18:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1269 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 08:18:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-03 08:18:52,185 INFO L78 Accepts]: Start accepts. Automaton has currently 164981 states, but on-demand construction may add more states Word has length 711 [2024-05-03 08:18:52,194 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:18:52,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-05-03 08:18:52,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-05-03 08:18:52,394 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:18:52,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:18:52,395 INFO L85 PathProgramCache]: Analyzing trace with hash 418506858, now seen corresponding path program 9 times [2024-05-03 08:18:52,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:18:52,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904020696] [2024-05-03 08:18:52,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:18:52,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:18:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:18:54,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 380 proven. 754 refuted. 0 times theorem prover too weak. 1286 trivial. 0 not checked. [2024-05-03 08:18:54,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:18:54,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904020696] [2024-05-03 08:18:54,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904020696] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:18:54,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025508173] [2024-05-03 08:18:54,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 08:18:54,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:18:54,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:18:54,367 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:18:54,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-05-03 08:18:54,743 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-03 08:18:54,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:18:54,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-03 08:18:54,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:18:55,487 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 08:18:55,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 17 [2024-05-03 08:18:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 547 proven. 174 refuted. 0 times theorem prover too weak. 1699 trivial. 0 not checked. [2024-05-03 08:18:55,771 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:18:56,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-05-03 08:18:56,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 419 proven. 302 refuted. 0 times theorem prover too weak. 1699 trivial. 0 not checked. [2024-05-03 08:18:56,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025508173] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:18:56,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:18:56,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 25, 25] total 88 [2024-05-03 08:18:56,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024697654] [2024-05-03 08:18:56,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:18:56,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-05-03 08:18:56,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:18:56,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-05-03 08:18:56,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=7270, Unknown=0, NotChecked=0, Total=7656 [2024-05-03 08:18:56,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:56,825 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:18:56,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 10.011363636363637) internal successors, (881), 88 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:18:56,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1269 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-03 08:18:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:19:28,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:19:31,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:19:54,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:19:57,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:20:09,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:20:14,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:20:16,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:20:19,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:20:25,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:20:31,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:20:36,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:20:39,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:20:42,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:20:44,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:20:47,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:20:50,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:20:54,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:20:57,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:21:07,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:21:09,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:21:13,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:21:16,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:21:21,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:21:25,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:21:31,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:21:37,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:21:41,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:21:44,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:21:49,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:21:56,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:21:59,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:22:09,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:22:12,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:22:14,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:22:18,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:22:22,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:22:26,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:22:31,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:22:43,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:22:46,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:22:48,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:22:49,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:22:53,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:22:59,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:23:07,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:23:10,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:23:21,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:23:23,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-03 08:23:25,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] Received shutdown request... [2024-05-03 08:26:56,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-05-03 08:26:56,519 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 08:26:56,519 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 [2024-05-03 08:26:56,519 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 [2024-05-03 08:26:56,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:26:56,696 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 2369 known predicates. [2024-05-03 08:26:56,698 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 08:26:56,704 INFO L445 BasicCegarLoop]: Path program histogram: [11, 9, 3, 1, 1, 1] [2024-05-03 08:26:56,705 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-03 08:26:56,710 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 08:26:56,710 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 08:26:56,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 08:26:56 BasicIcfg [2024-05-03 08:26:56,712 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 08:26:56,713 INFO L158 Benchmark]: Toolchain (without parser) took 774509.67ms. Allocated memory was 261.1MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 191.3MB in the beginning and 6.0GB in the end (delta: -5.8GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2024-05-03 08:26:56,713 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 157.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 08:26:56,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.31ms. Allocated memory is still 261.1MB. Free memory was 191.1MB in the beginning and 178.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-03 08:26:56,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.54ms. Allocated memory is still 261.1MB. Free memory was 178.4MB in the beginning and 230.0MB in the end (delta: -51.6MB). Peak memory consumption was 5.7MB. Max. memory is 8.0GB. [2024-05-03 08:26:56,714 INFO L158 Benchmark]: Boogie Preprocessor took 36.02ms. Allocated memory is still 261.1MB. Free memory was 230.0MB in the beginning and 227.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 08:26:56,716 INFO L158 Benchmark]: RCFGBuilder took 618.05ms. Allocated memory is still 261.1MB. Free memory was 227.9MB in the beginning and 183.8MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2024-05-03 08:26:56,716 INFO L158 Benchmark]: TraceAbstraction took 773583.77ms. Allocated memory was 261.1MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 182.8MB in the beginning and 6.0GB in the end (delta: -5.8GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2024-05-03 08:26:56,717 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 157.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 213.31ms. Allocated memory is still 261.1MB. Free memory was 191.1MB in the beginning and 178.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.54ms. Allocated memory is still 261.1MB. Free memory was 178.4MB in the beginning and 230.0MB in the end (delta: -51.6MB). Peak memory consumption was 5.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.02ms. Allocated memory is still 261.1MB. Free memory was 230.0MB in the beginning and 227.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 618.05ms. Allocated memory is still 261.1MB. Free memory was 227.9MB in the beginning and 183.8MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. * TraceAbstraction took 773583.77ms. Allocated memory was 261.1MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 182.8MB in the beginning and 6.0GB in the end (delta: -5.8GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6413732, independent: 6013524, independent conditional: 6013524, independent unconditional: 0, dependent: 400208, dependent conditional: 400208, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6017472, independent: 6013524, independent conditional: 6013524, independent unconditional: 0, dependent: 3948, dependent conditional: 3948, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6017472, independent: 6013524, independent conditional: 6013524, independent unconditional: 0, dependent: 3948, dependent conditional: 3948, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6092247, independent: 6013524, independent conditional: 0, independent unconditional: 6013524, dependent: 78723, dependent conditional: 74775, dependent unconditional: 3948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6092247, independent: 6013524, independent conditional: 0, independent unconditional: 6013524, dependent: 78723, dependent conditional: 15655, dependent unconditional: 63068, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6092247, independent: 6013524, independent conditional: 0, independent unconditional: 6013524, dependent: 78723, dependent conditional: 15655, dependent unconditional: 63068, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2910, independent: 2673, independent conditional: 0, independent unconditional: 2673, dependent: 237, dependent conditional: 236, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2910, independent: 2673, independent conditional: 0, independent unconditional: 2673, dependent: 237, dependent conditional: 0, dependent unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 237, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 237, dependent conditional: 236, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 237, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 237, dependent conditional: 236, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 964, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 964, dependent conditional: 906, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6092247, independent: 6010851, independent conditional: 0, independent unconditional: 6010851, dependent: 78486, dependent conditional: 15419, dependent unconditional: 63067, unknown: 2910, unknown conditional: 236, unknown unconditional: 2674] , Statistics on independence cache: Total cache size (in pairs): 2910, Positive cache size: 2673, Positive conditional cache size: 0, Positive unconditional cache size: 2673, Negative cache size: 237, Negative conditional cache size: 236, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 59120, Maximal queried relation: 26, Independence queries for same thread: 396260 - StatisticsResult: Visitor Statistics States: 18525, Transitions: 22501, Traversal time: 0.9s - StatisticsResult: Visitor Statistics States: 18529, Transitions: 20466, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 18536, Transitions: 20473, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 1564, Transitions: 1694, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 1572, Transitions: 1702, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 19387, Transitions: 21410, Traversal time: 0.8s - StatisticsResult: Visitor Statistics States: 19394, Transitions: 21417, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 19402, Transitions: 21425, Traversal time: 0.9s - StatisticsResult: Visitor Statistics States: 43231, Transitions: 47476, Traversal time: 7.2s - StatisticsResult: Visitor Statistics States: 45139, Transitions: 49571, Traversal time: 1.4s - StatisticsResult: Visitor Statistics States: 57306, Transitions: 63038, Traversal time: 2.6s - StatisticsResult: Visitor Statistics States: 57314, Transitions: 63046, Traversal time: 1.4s - StatisticsResult: Visitor Statistics States: 59773, Transitions: 65751, Traversal time: 1.8s - StatisticsResult: Visitor Statistics States: 71948, Transitions: 79226, Traversal time: 5.5s - StatisticsResult: Visitor Statistics States: 71956, Transitions: 79234, Traversal time: 2.0s - StatisticsResult: Visitor Statistics States: 12361, Transitions: 13558, Traversal time: 3.3s - StatisticsResult: Visitor Statistics States: 12369, Transitions: 13566, Traversal time: 0.9s - StatisticsResult: Visitor Statistics States: 110931, Transitions: 122176, Traversal time: 5.6s - StatisticsResult: Visitor Statistics States: 267744, Transitions: 295929, Traversal time: 11.6s - StatisticsResult: Visitor Statistics States: 381537, Transitions: 425057, Traversal time: 15.4s - StatisticsResult: Visitor Statistics States: 124508, Transitions: 138567, Traversal time: 130.2s - StatisticsResult: Visitor Statistics States: 124516, Transitions: 138575, Traversal time: 4.0s - StatisticsResult: Visitor Statistics States: 168095, Transitions: 187039, Traversal time: 7.0s - StatisticsResult: Visitor Statistics States: 169431, Transitions: 188480, Traversal time: 9.4s - StatisticsResult: Visitor Statistics States: 169439, Transitions: 188488, Traversal time: 6.2s - StatisticsResult: Visitor Statistics States: 169447, Transitions: 188496, Traversal time: 6.7s - StatisticsResult: Visitor Statistics States: 233549, Transitions: 260980, Traversal time: 479.7s - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 2369 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 329 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 773.4s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 706.8s, 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: 4757, 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: 0.9s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 54.8s InterpolantComputationTime, 19787 NumberOfCodeBlocks, 18814 NumberOfCodeBlocksAsserted, 90 NumberOfCheckSat, 29298 ConstructedInterpolants, 27 QuantifiedInterpolants, 109262 SizeOfPredicates, 562 NumberOfNonLiveVariables, 15787 ConjunctsInSsa, 596 ConjunctsInUnsatCore, 72 InterpolantComputations, 4 PerfectInterpolantSequences, 37442/49803 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