/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-more-vector-add.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 20:05:58,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 20:05:58,304 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-30 20:05:58,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 20:05:58,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 20:05:58,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 20:05:58,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 20:05:58,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 20:05:58,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 20:05:58,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 20:05:58,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 20:05:58,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 20:05:58,322 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 20:05:58,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 20:05:58,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 20:05:58,323 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 20:05:58,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 20:05:58,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 20:05:58,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 20:05:58,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 20:05:58,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 20:05:58,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 20:05:58,332 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 20:05:58,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 20:05:58,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 20:05:58,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 20:05:58,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 20:05:58,333 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 20:05:58,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 20:05:58,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 20:05:58,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 20:05:58,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 20:05:58,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 20:05:58,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 20:05:58,334 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-30 20:05:58,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-30 20:05:58,334 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 20:05:58,335 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 20:05:58,335 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 20:05:58,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 20:05:58,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 20:05:58,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 20:05:58,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 20:05:58,545 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 20:05:58,545 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 20:05:58,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2024-05-30 20:05:59,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 20:05:59,854 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 20:05:59,854 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2024-05-30 20:05:59,863 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/af3c2ef09/d912a0d617d645139568eccb28d95577/FLAGfa22eede8 [2024-05-30 20:05:59,873 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/af3c2ef09/d912a0d617d645139568eccb28d95577 [2024-05-30 20:05:59,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 20:05:59,876 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 20:05:59,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 20:05:59,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 20:05:59,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 20:05:59,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 08:05:59" (1/1) ... [2024-05-30 20:05:59,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a90c4b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:05:59, skipping insertion in model container [2024-05-30 20:05:59,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 08:05:59" (1/1) ... [2024-05-30 20:05:59,901 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 20:06:00,026 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2598,2611] [2024-05-30 20:06:00,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 20:06:00,039 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 20:06:00,054 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2598,2611] [2024-05-30 20:06:00,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 20:06:00,077 INFO L206 MainTranslator]: Completed translation [2024-05-30 20:06:00,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:00 WrapperNode [2024-05-30 20:06:00,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 20:06:00,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 20:06:00,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 20:06:00,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 20:06:00,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:00" (1/1) ... [2024-05-30 20:06:00,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:00" (1/1) ... [2024-05-30 20:06:00,111 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 203 [2024-05-30 20:06:00,111 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 20:06:00,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 20:06:00,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 20:06:00,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 20:06:00,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:00" (1/1) ... [2024-05-30 20:06:00,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:00" (1/1) ... [2024-05-30 20:06:00,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:00" (1/1) ... [2024-05-30 20:06:00,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:00" (1/1) ... [2024-05-30 20:06:00,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:00" (1/1) ... [2024-05-30 20:06:00,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:00" (1/1) ... [2024-05-30 20:06:00,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:00" (1/1) ... [2024-05-30 20:06:00,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:00" (1/1) ... [2024-05-30 20:06:00,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 20:06:00,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 20:06:00,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 20:06:00,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 20:06:00,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:00" (1/1) ... [2024-05-30 20:06:00,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 20:06:00,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:06:00,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-30 20:06:00,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-30 20:06:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 20:06:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 20:06:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 20:06:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 20:06:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 20:06:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 20:06:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 20:06:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 20:06:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-30 20:06:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-30 20:06:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 20:06:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-30 20:06:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 20:06:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 20:06:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 20:06:00,253 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 20:06:00,329 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 20:06:00,331 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 20:06:00,642 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 20:06:00,655 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 20:06:00,655 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2024-05-30 20:06:00,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 08:06:00 BoogieIcfgContainer [2024-05-30 20:06:00,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 20:06:00,657 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 20:06:00,657 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 20:06:00,660 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 20:06:00,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 08:05:59" (1/3) ... [2024-05-30 20:06:00,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a37539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 08:06:00, skipping insertion in model container [2024-05-30 20:06:00,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:06:00" (2/3) ... [2024-05-30 20:06:00,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a37539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 08:06:00, skipping insertion in model container [2024-05-30 20:06:00,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 08:06:00" (3/3) ... [2024-05-30 20:06:00,662 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2024-05-30 20:06:00,670 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 20:06:00,678 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 20:06:00,678 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 20:06:00,678 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 20:06:00,738 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-30 20:06:00,775 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 20:06:00,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 20:06:00,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:06:00,778 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 20:06:00,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-30 20:06:00,816 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 20:06:00,821 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 20:06:00,833 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;@1459ae31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 20:06:00,833 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 20:06:01,092 INFO L78 Accepts]: Start accepts. Automaton has currently 1392 states, but on-demand construction may add more states Word has length 289 [2024-05-30 20:06:01,095 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:06:01,095 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:06:01,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:06:01,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1735367096, now seen corresponding path program 1 times [2024-05-30 20:06:01,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:06:01,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995175234] [2024-05-30 20:06:01,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:06:01,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:06:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:06:01,465 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-05-30 20:06:01,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:06:01,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995175234] [2024-05-30 20:06:01,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995175234] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 20:06:01,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 20:06:01,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 20:06:01,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524851983] [2024-05-30 20:06:01,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 20:06:01,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 20:06:01,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:06:01,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 20:06:01,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 20:06:01,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:01,551 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:06:01,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 122.0) internal successors, (244), 2 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:06:01,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:01,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:01,623 INFO L78 Accepts]: Start accepts. Automaton has currently 1392 states, but on-demand construction may add more states Word has length 278 [2024-05-30 20:06:01,625 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:06:01,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 20:06:01,625 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:06:01,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:06:01,626 INFO L85 PathProgramCache]: Analyzing trace with hash 2002752537, now seen corresponding path program 1 times [2024-05-30 20:06:01,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:06:01,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791009679] [2024-05-30 20:06:01,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:06:01,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:06:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:06:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-05-30 20:06:02,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:06:02,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791009679] [2024-05-30 20:06:02,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791009679] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 20:06:02,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 20:06:02,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 20:06:02,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49254481] [2024-05-30 20:06:02,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 20:06:02,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 20:06:02,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:06:02,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 20:06:02,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-30 20:06:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:02,070 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:06:02,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.42857142857143) internal successors, (234), 7 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:06:02,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:02,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:06:02,324 INFO L78 Accepts]: Start accepts. Automaton has currently 1420 states, but on-demand construction may add more states Word has length 306 [2024-05-30 20:06:02,325 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:06:02,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 20:06:02,325 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:06:02,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:06:02,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1700954468, now seen corresponding path program 1 times [2024-05-30 20:06:02,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:06:02,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377423372] [2024-05-30 20:06:02,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:06:02,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:06:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:06:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-05-30 20:06:02,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:06:02,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377423372] [2024-05-30 20:06:02,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377423372] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:06:02,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164916341] [2024-05-30 20:06:02,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:06:02,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:06:02,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:06:02,826 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:06:02,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-30 20:06:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:06:03,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-30 20:06:03,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:06:03,440 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-05-30 20:06:03,440 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:06:03,751 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-05-30 20:06:03,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164916341] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:06:03,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:06:03,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-05-30 20:06:03,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134665530] [2024-05-30 20:06:03,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:06:03,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-30 20:06:03,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:06:03,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-30 20:06:03,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-05-30 20:06:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:03,755 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:06:03,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 14.0) internal successors, (336), 24 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:06:03,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:03,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:06:03,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:04,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:04,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:06:04,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:06:04,235 INFO L78 Accepts]: Start accepts. Automaton has currently 1452 states, but on-demand construction may add more states Word has length 334 [2024-05-30 20:06:04,236 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:06:04,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-30 20:06:04,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-30 20:06:04,443 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:06:04,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:06:04,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1724385145, now seen corresponding path program 2 times [2024-05-30 20:06:04,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:06:04,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608478365] [2024-05-30 20:06:04,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:06:04,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:06:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:06:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-05-30 20:06:04,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:06:04,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608478365] [2024-05-30 20:06:04,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608478365] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:06:04,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200583815] [2024-05-30 20:06:04,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 20:06:04,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:06:04,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:06:04,894 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:06:04,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-30 20:06:05,056 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 20:06:05,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:06:05,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-30 20:06:05,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:06:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 9 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-05-30 20:06:05,503 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:06:05,858 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 9 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-05-30 20:06:05,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200583815] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:06:05,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:06:05,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2024-05-30 20:06:05,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604211062] [2024-05-30 20:06:05,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:06:05,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-05-30 20:06:05,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:06:05,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-05-30 20:06:05,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2024-05-30 20:06:05,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:05,861 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:06:05,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 11.117647058823529) internal successors, (378), 34 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:06:05,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:05,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:06:05,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:06:05,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:06,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:06:06,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:06:06,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 20:06:06,404 INFO L78 Accepts]: Start accepts. Automaton has currently 1484 states, but on-demand construction may add more states Word has length 362 [2024-05-30 20:06:06,406 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:06:06,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-30 20:06:06,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:06:06,612 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:06:06,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:06:06,612 INFO L85 PathProgramCache]: Analyzing trace with hash 880705468, now seen corresponding path program 3 times [2024-05-30 20:06:06,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:06:06,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35737540] [2024-05-30 20:06:06,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:06:06,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:06:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:06:07,206 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 43 proven. 54 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-05-30 20:06:07,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:06:07,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35737540] [2024-05-30 20:06:07,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35737540] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:06:07,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783427786] [2024-05-30 20:06:07,207 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 20:06:07,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:06:07,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:06:07,208 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:06:07,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-30 20:06:07,720 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-30 20:06:07,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:06:07,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 50 conjunts are in the unsatisfiable core [2024-05-30 20:06:07,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:06:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 50 proven. 54 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-05-30 20:06:08,518 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:06:09,071 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 36 proven. 53 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-05-30 20:06:09,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783427786] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:06:09,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:06:09,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 30, 19] total 61 [2024-05-30 20:06:09,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29321132] [2024-05-30 20:06:09,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:06:09,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-05-30 20:06:09,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:06:09,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-05-30 20:06:09,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=3393, Unknown=0, NotChecked=0, Total=3660 [2024-05-30 20:06:09,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:09,075 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:06:09,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 10.98360655737705) internal successors, (670), 61 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:06:09,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:09,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:06:09,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:06:09,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 20:06:09,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:06:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:06:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 20:06:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-30 20:06:11,288 INFO L78 Accepts]: Start accepts. Automaton has currently 2634 states, but on-demand construction may add more states Word has length 507 [2024-05-30 20:06:11,293 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:06:11,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-30 20:06:11,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:06:11,501 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:06:11,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:06:11,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1403713338, now seen corresponding path program 4 times [2024-05-30 20:06:11,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:06:11,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006118702] [2024-05-30 20:06:11,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:06:11,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:06:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:06:12,271 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 88 proven. 446 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-05-30 20:06:12,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:06:12,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006118702] [2024-05-30 20:06:12,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006118702] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:06:12,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134711713] [2024-05-30 20:06:12,272 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 20:06:12,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:06:12,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:06:12,281 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:06:12,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-30 20:06:12,504 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 20:06:12,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:06:12,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-30 20:06:12,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:06:13,203 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 379 proven. 46 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-05-30 20:06:13,204 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:06:13,895 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 379 proven. 46 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-05-30 20:06:13,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134711713] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:06:13,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:06:13,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 61 [2024-05-30 20:06:13,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479957984] [2024-05-30 20:06:13,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:06:13,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-05-30 20:06:13,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:06:13,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-05-30 20:06:13,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=3185, Unknown=0, NotChecked=0, Total=3660 [2024-05-30 20:06:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:13,899 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:06:13,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 8.573770491803279) internal successors, (523), 61 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:06:13,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:13,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:06:13,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:06:13,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 20:06:13,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-30 20:06:13,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:15,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:06:15,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:06:15,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:06:15,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 20:06:15,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-30 20:06:15,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-30 20:06:15,056 INFO L78 Accepts]: Start accepts. Automaton has currently 2666 states, but on-demand construction may add more states Word has length 535 [2024-05-30 20:06:15,058 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:06:15,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-30 20:06:15,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-30 20:06:15,264 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:06:15,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:06:15,264 INFO L85 PathProgramCache]: Analyzing trace with hash -27744605, now seen corresponding path program 5 times [2024-05-30 20:06:15,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:06:15,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252410822] [2024-05-30 20:06:15,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:06:15,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:06:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:06:16,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 89 proven. 562 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-05-30 20:06:16,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:06:16,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252410822] [2024-05-30 20:06:16,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252410822] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:06:16,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745904065] [2024-05-30 20:06:16,219 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 20:06:16,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:06:16,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:06:16,220 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:06:16,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process Received shutdown request... [2024-05-30 20:20:41,194 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 20:20:41,222 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 20:20:41,222 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 20:20:42,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2024-05-30 20:20:42,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-30 20:20:42,395 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2024-05-30 20:20:42,433 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-30 20:20:42,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-05-30 20:20:42,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2024-05-30 20:20:42,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19423143] [2024-05-30 20:20:42,434 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-05-30 20:20:42,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-05-30 20:20:42,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:20:42,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-05-30 20:20:42,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2024-05-30 20:20:42,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:20:42,435 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:20:42,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 13.333333333333334) internal successors, (360), 27 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:20:42,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:20:42,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:20:42,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:20:42,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 20:20:42,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-30 20:20:42,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-30 20:20:42,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:20:42,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 137 [2024-05-30 20:20:42,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:20:42,442 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-05-30 20:20:42,444 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 20:20:42,463 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2024-05-30 20:20:42,464 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-30 20:20:42,465 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 20:20:42,465 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 20:20:42,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 08:20:42 BasicIcfg [2024-05-30 20:20:42,467 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 20:20:42,467 INFO L158 Benchmark]: Toolchain (without parser) took 882591.36ms. Allocated memory was 264.2MB in the beginning and 526.4MB in the end (delta: 262.1MB). Free memory was 191.4MB in the beginning and 439.2MB in the end (delta: -247.8MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. [2024-05-30 20:20:42,468 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 264.2MB. Free memory is still 235.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 20:20:42,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.22ms. Allocated memory is still 264.2MB. Free memory was 191.1MB in the beginning and 178.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-30 20:20:42,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.57ms. Allocated memory is still 264.2MB. Free memory was 178.8MB in the beginning and 176.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 20:20:42,472 INFO L158 Benchmark]: Boogie Preprocessor took 49.60ms. Allocated memory is still 264.2MB. Free memory was 176.4MB in the beginning and 174.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 20:20:42,473 INFO L158 Benchmark]: RCFGBuilder took 493.42ms. Allocated memory is still 264.2MB. Free memory was 174.3MB in the beginning and 220.6MB in the end (delta: -46.3MB). Peak memory consumption was 21.9MB. Max. memory is 8.0GB. [2024-05-30 20:20:42,478 INFO L158 Benchmark]: TraceAbstraction took 881809.88ms. Allocated memory was 264.2MB in the beginning and 526.4MB in the end (delta: 262.1MB). Free memory was 219.5MB in the beginning and 439.2MB in the end (delta: -219.6MB). Peak memory consumption was 42.0MB. Max. memory is 8.0GB. [2024-05-30 20:20:42,479 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 264.2MB. Free memory is still 235.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 201.22ms. Allocated memory is still 264.2MB. Free memory was 191.1MB in the beginning and 178.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.57ms. Allocated memory is still 264.2MB. Free memory was 178.8MB in the beginning and 176.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.60ms. Allocated memory is still 264.2MB. Free memory was 176.4MB in the beginning and 174.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 493.42ms. Allocated memory is still 264.2MB. Free memory was 174.3MB in the beginning and 220.6MB in the end (delta: -46.3MB). Peak memory consumption was 21.9MB. Max. memory is 8.0GB. * TraceAbstraction took 881809.88ms. Allocated memory was 264.2MB in the beginning and 526.4MB in the end (delta: 262.1MB). Free memory was 219.5MB in the beginning and 439.2MB in the end (delta: -219.6MB). Peak memory consumption was 42.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28825, independent: 26866, independent conditional: 26866, independent unconditional: 0, dependent: 1959, dependent conditional: 1959, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27530, independent: 26866, independent conditional: 26866, independent unconditional: 0, dependent: 664, dependent conditional: 664, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27530, independent: 26866, independent conditional: 26866, independent unconditional: 0, dependent: 664, dependent conditional: 664, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30342, independent: 26866, independent conditional: 0, independent unconditional: 26866, dependent: 3476, dependent conditional: 2812, dependent unconditional: 664, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 30342, independent: 26866, independent conditional: 0, independent unconditional: 26866, dependent: 3476, dependent conditional: 216, dependent unconditional: 3260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30342, independent: 26866, independent conditional: 0, independent unconditional: 26866, dependent: 3476, dependent conditional: 216, dependent unconditional: 3260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 719, independent: 690, independent conditional: 0, independent unconditional: 690, dependent: 29, dependent conditional: 13, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 719, independent: 690, independent conditional: 0, independent unconditional: 690, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 29, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 29, dependent conditional: 13, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 29, dependent conditional: 13, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 94, dependent conditional: 26, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 30342, independent: 26176, independent conditional: 0, independent unconditional: 26176, dependent: 3447, dependent conditional: 203, dependent unconditional: 3244, unknown: 719, unknown conditional: 13, unknown unconditional: 706] , Statistics on independence cache: Total cache size (in pairs): 719, Positive cache size: 690, Positive conditional cache size: 0, Positive unconditional cache size: 690, Negative cache size: 29, Negative conditional cache size: 13, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2596, Maximal queried relation: 6, Independence queries for same thread: 1295 - StatisticsResult: Visitor Statistics States: 1465, Transitions: 1839, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 1465, Transitions: 1748, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 1489, Transitions: 1772, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 1517, Transitions: 1800, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 1545, Transitions: 1828, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 3013, Transitions: 3707, Traversal time: 2.2s - StatisticsResult: Visitor Statistics States: 3041, Transitions: 3735, Traversal time: 1.2s - StatisticsResult: Visitor Statistics States: 1, Transitions: 0, Traversal time: 0.0s - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 325 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 881.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 5.0s, 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: 117, 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: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 4120 NumberOfCodeBlocks, 4103 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5614 ConstructedInterpolants, 0 QuantifiedInterpolants, 15761 SizeOfPredicates, 78 NumberOfNonLiveVariables, 2944 ConjunctsInSsa, 96 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 4190/5491 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