/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 16:40:24,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 16:40:24,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 16:40:24,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 16:40:24,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 16:40:24,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 16:40:24,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 16:40:24,294 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 16:40:24,295 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 16:40:24,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 16:40:24,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 16:40:24,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 16:40:24,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 16:40:24,300 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 16:40:24,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 16:40:24,300 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 16:40:24,301 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 16:40:24,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 16:40:24,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 16:40:24,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 16:40:24,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 16:40:24,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 16:40:24,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 16:40:24,302 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 16:40:24,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 16:40:24,302 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 16:40:24,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 16:40:24,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 16:40:24,303 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 16:40:24,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 16:40:24,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:40:24,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 16:40:24,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 16:40:24,305 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 16:40:24,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 16:40:24,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 16:40:24,305 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 16:40:24,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 16:40:24,305 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 16:40:24,305 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 16:40:24,306 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 16:40:24,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 16:40:24,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 16:40:24,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 16:40:24,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 16:40:24,549 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 16:40:24,549 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 16:40:24,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2024-05-30 16:40:25,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 16:40:25,802 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 16:40:25,802 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2024-05-30 16:40:25,819 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0b9d01ba3/a45d97da5d1f47e6a86434edd832be7e/FLAG9d47949c8 [2024-05-30 16:40:25,836 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0b9d01ba3/a45d97da5d1f47e6a86434edd832be7e [2024-05-30 16:40:25,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 16:40:25,841 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 16:40:25,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 16:40:25,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 16:40:25,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 16:40:25,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:40:25" (1/1) ... [2024-05-30 16:40:25,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0f6064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:25, skipping insertion in model container [2024-05-30 16:40:25,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:40:25" (1/1) ... [2024-05-30 16:40:25,872 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 16:40:26,027 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-multiply-verify.wvr.c[3042,3055] [2024-05-30 16:40:26,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:40:26,041 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 16:40:26,058 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-multiply-verify.wvr.c[3042,3055] [2024-05-30 16:40:26,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:40:26,072 INFO L206 MainTranslator]: Completed translation [2024-05-30 16:40:26,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:26 WrapperNode [2024-05-30 16:40:26,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 16:40:26,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 16:40:26,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 16:40:26,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 16:40:26,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:26" (1/1) ... [2024-05-30 16:40:26,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:26" (1/1) ... [2024-05-30 16:40:26,133 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 186 [2024-05-30 16:40:26,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 16:40:26,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 16:40:26,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 16:40:26,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 16:40:26,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:26" (1/1) ... [2024-05-30 16:40:26,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:26" (1/1) ... [2024-05-30 16:40:26,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:26" (1/1) ... [2024-05-30 16:40:26,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:26" (1/1) ... [2024-05-30 16:40:26,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:26" (1/1) ... [2024-05-30 16:40:26,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:26" (1/1) ... [2024-05-30 16:40:26,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:26" (1/1) ... [2024-05-30 16:40:26,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:26" (1/1) ... [2024-05-30 16:40:26,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 16:40:26,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 16:40:26,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 16:40:26,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 16:40:26,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:26" (1/1) ... [2024-05-30 16:40:26,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:40:26,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:26,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-30 16:40:26,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-30 16:40:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 16:40:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 16:40:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 16:40:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 16:40:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 16:40:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 16:40:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 16:40:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 16:40:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-30 16:40:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-30 16:40:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 16:40:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 16:40:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 16:40:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-30 16:40:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 16:40:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 16:40:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 16:40:26,248 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 16:40:26,351 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 16:40:26,353 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 16:40:26,595 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 16:40:26,687 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 16:40:26,687 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-30 16:40:26,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:40:26 BoogieIcfgContainer [2024-05-30 16:40:26,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 16:40:26,690 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 16:40:26,690 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 16:40:26,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 16:40:26,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 04:40:25" (1/3) ... [2024-05-30 16:40:26,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7367ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:40:26, skipping insertion in model container [2024-05-30 16:40:26,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:40:26" (2/3) ... [2024-05-30 16:40:26,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7367ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:40:26, skipping insertion in model container [2024-05-30 16:40:26,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:40:26" (3/3) ... [2024-05-30 16:40:26,700 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2024-05-30 16:40:26,708 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 16:40:26,717 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 16:40:26,717 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 16:40:26,717 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 16:40:26,774 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-30 16:40:26,807 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:40:26,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 16:40:26,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:26,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 16:40:26,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-30 16:40:26,869 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 16:40:26,876 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 16:40:26,882 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7c1604ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:40:26,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 16:40:26,889 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:27,423 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:27,423 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:27,423 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:27,692 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:27,692 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:27,692 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:27,819 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:27,819 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:27,819 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:27,957 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:27,957 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:27,957 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:27,985 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 660 states. [2024-05-30 16:40:27,985 INFO L212 cStratifiedReduction]: Copied states 8 times. [2024-05-30 16:40:27,988 INFO L78 Accepts]: Start accepts. Automaton has currently 765 states, but on-demand construction may add more states Word has length 120 [2024-05-30 16:40:27,991 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:27,991 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:27,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:27,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1529887826, now seen corresponding path program 1 times [2024-05-30 16:40:28,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:28,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621537585] [2024-05-30 16:40:28,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:28,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:28,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:28,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621537585] [2024-05-30 16:40:28,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621537585] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:40:28,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:40:28,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 16:40:28,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786959107] [2024-05-30 16:40:28,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:40:28,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 16:40:28,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:40:28,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 16:40:28,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 16:40:28,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:28,334 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:40:28,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:40:28,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:28,337 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:28,457 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:28,457 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:28,457 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:28,555 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:28,555 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:28,556 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:28,733 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:28,734 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:28,734 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:28,842 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:28,843 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:28,843 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:28,876 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 670 states. [2024-05-30 16:40:28,876 INFO L212 cStratifiedReduction]: Copied states 8 times. [2024-05-30 16:40:28,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:28,876 INFO L78 Accepts]: Start accepts. Automaton has currently 807 states, but on-demand construction may add more states Word has length 117 [2024-05-30 16:40:28,878 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:28,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 16:40:28,878 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:28,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:28,879 INFO L85 PathProgramCache]: Analyzing trace with hash -920234986, now seen corresponding path program 1 times [2024-05-30 16:40:28,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:28,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888138208] [2024-05-30 16:40:28,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:28,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:29,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:29,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:29,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888138208] [2024-05-30 16:40:29,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888138208] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:40:29,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:40:29,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 16:40:29,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326928675] [2024-05-30 16:40:29,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:40:29,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 16:40:29,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:40:29,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 16:40:29,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-05-30 16:40:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:29,286 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:40:29,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:40:29,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:29,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:29,288 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:29,497 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:29,497 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:29,498 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:29,594 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:29,595 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:29,595 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:29,697 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:29,698 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:29,698 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:29,788 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:29,788 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:29,788 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:29,862 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 678 states. [2024-05-30 16:40:29,862 INFO L212 cStratifiedReduction]: Copied states 8 times. [2024-05-30 16:40:29,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:29,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:40:29,863 INFO L78 Accepts]: Start accepts. Automaton has currently 815 states, but on-demand construction may add more states Word has length 125 [2024-05-30 16:40:29,865 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:29,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 16:40:29,866 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:29,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:29,867 INFO L85 PathProgramCache]: Analyzing trace with hash -187269403, now seen corresponding path program 1 times [2024-05-30 16:40:29,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:29,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984456941] [2024-05-30 16:40:29,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:29,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:30,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:30,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:30,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984456941] [2024-05-30 16:40:30,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984456941] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:40:30,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919083597] [2024-05-30 16:40:30,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:30,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:40:30,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:30,117 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:40:30,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-30 16:40:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:30,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-30 16:40:30,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:40:30,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:30,376 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:40:30,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:30,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919083597] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:40:30,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:40:30,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-30 16:40:30,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106468912] [2024-05-30 16:40:30,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:40:30,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-30 16:40:30,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:40:30,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-30 16:40:30,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-05-30 16:40:30,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:30,586 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:40:30,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.789473684210526) internal successors, (186), 19 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:40:30,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:30,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:40:30,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:30,587 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:30,827 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:30,827 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:30,827 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:30,918 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:30,918 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:30,918 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:30,992 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:30,993 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:30,993 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:31,070 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:31,071 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:31,071 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:40:31,107 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 687 states. [2024-05-30 16:40:31,107 INFO L212 cStratifiedReduction]: Copied states 8 times. [2024-05-30 16:40:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:40:31,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:40:31,108 INFO L78 Accepts]: Start accepts. Automaton has currently 824 states, but on-demand construction may add more states Word has length 133 [2024-05-30 16:40:31,110 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:31,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-30 16:40:31,314 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 16:40:31,315 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:31,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:31,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1911395660, now seen corresponding path program 2 times [2024-05-30 16:40:31,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:31,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325145820] [2024-05-30 16:40:31,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:31,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:33,142 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:33,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:33,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325145820] [2024-05-30 16:40:33,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325145820] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:40:33,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124765661] [2024-05-30 16:40:33,144 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:40:33,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:40:33,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:33,145 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:40:33,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-30 16:40:33,444 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-05-30 16:40:33,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:40:33,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-30 16:40:33,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:40:33,752 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:40:33,752 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 51 treesize of output 17 [2024-05-30 16:40:33,815 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 16:40:33,815 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-30 16:40:33,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124765661] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:40:33,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-30 16:40:33,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [26] total 34 [2024-05-30 16:40:33,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751661466] [2024-05-30 16:40:33,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:40:33,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-05-30 16:40:33,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:40:33,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-05-30 16:40:33,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1022, Unknown=0, NotChecked=0, Total=1122 [2024-05-30 16:40:33,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:33,817 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:40:33,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.416666666666666) internal successors, (125), 12 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:40:33,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:33,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:40:33,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:40:33,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:33,818 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:33,935 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:33,936 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:33,936 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ~end~0, ~ok~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ~queue~0.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int] [2024-05-30 16:40:33,953 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:33,953 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ~end~0, ~ok~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ~queue~0.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int] [2024-05-30 16:40:33,954 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ~end~0, ~ok~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ~queue~0.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int] [2024-05-30 16:40:33,994 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 336 states. [2024-05-30 16:40:33,994 INFO L212 cStratifiedReduction]: Copied states 33 times. [2024-05-30 16:40:33,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:33,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:40:33,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:40:33,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:33,995 INFO L78 Accepts]: Start accepts. Automaton has currently 345 states, but on-demand construction may add more states Word has length 138 [2024-05-30 16:40:33,995 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:34,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-30 16:40:34,200 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 16:40:34,200 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:34,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:34,201 INFO L85 PathProgramCache]: Analyzing trace with hash 953170380, now seen corresponding path program 1 times [2024-05-30 16:40:34,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:34,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103745059] [2024-05-30 16:40:34,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:34,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:34,380 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 16:40:34,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:34,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103745059] [2024-05-30 16:40:34,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103745059] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:40:34,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611455007] [2024-05-30 16:40:34,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:34,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:40:34,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:34,382 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:40:34,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-30 16:40:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:34,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-30 16:40:34,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:40:34,518 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 16:40:34,519 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:40:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 16:40:34,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611455007] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-30 16:40:34,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-30 16:40:34,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 7 [2024-05-30 16:40:34,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128528675] [2024-05-30 16:40:34,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:40:34,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-30 16:40:34,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:40:34,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-30 16:40:34,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-05-30 16:40:34,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:34,553 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:40:34,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:40:34,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:34,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:40:34,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:40:34,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:34,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:34,553 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:34,601 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:34,602 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:34,602 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ~end~0, ~ok~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ~queue~0.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int] [2024-05-30 16:40:34,619 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:34,619 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ~end~0, ~ok~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ~queue~0.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int] [2024-05-30 16:40:34,619 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ~end~0, ~ok~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ~queue~0.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int] [2024-05-30 16:40:34,627 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 315 states. [2024-05-30 16:40:34,627 INFO L212 cStratifiedReduction]: Copied states 33 times. [2024-05-30 16:40:34,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:34,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:40:34,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:40:34,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:34,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:34,628 INFO L78 Accepts]: Start accepts. Automaton has currently 318 states, but on-demand construction may add more states Word has length 143 [2024-05-30 16:40:34,629 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:34,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-30 16:40:34,834 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 16:40:34,834 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:34,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:34,835 INFO L85 PathProgramCache]: Analyzing trace with hash -491991515, now seen corresponding path program 1 times [2024-05-30 16:40:34,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:34,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421572430] [2024-05-30 16:40:34,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:34,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:36,349 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:36,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:36,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421572430] [2024-05-30 16:40:36,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421572430] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:40:36,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507999980] [2024-05-30 16:40:36,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:36,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:40:36,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:36,355 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:40:36,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-30 16:40:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:36,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 41 conjunts are in the unsatisfiable core [2024-05-30 16:40:36,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:40:37,508 INFO L349 Elim1Store]: treesize reduction 34, result has 17.1 percent of original size [2024-05-30 16:40:37,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 20 [2024-05-30 16:40:37,570 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:37,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:40:38,369 INFO L349 Elim1Store]: treesize reduction 8, result has 82.2 percent of original size [2024-05-30 16:40:38,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 68 [2024-05-30 16:40:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:40,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507999980] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:40:40,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:40:40,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 23, 23] total 61 [2024-05-30 16:40:40,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960900117] [2024-05-30 16:40:40,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:40:40,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-05-30 16:40:40,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:40:40,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-05-30 16:40:40,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=3247, Unknown=0, NotChecked=0, Total=3660 [2024-05-30 16:40:40,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:40,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:40:40,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 5.508196721311475) internal successors, (336), 61 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 16:40:40,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:40,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:40:40,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:40:40,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:40,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:40,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:40,259 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:41,497 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:41,497 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:41,497 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ~end~0, ~ok~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ~queue~0.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int] [2024-05-30 16:40:41,513 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:41,515 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ~end~0, ~ok~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ~queue~0.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int] [2024-05-30 16:40:41,515 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ~end~0, ~ok~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ~queue~0.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int] [2024-05-30 16:40:41,597 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 324 states. [2024-05-30 16:40:41,598 INFO L212 cStratifiedReduction]: Copied states 33 times. [2024-05-30 16:40:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:40:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:40:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:40:41,598 INFO L78 Accepts]: Start accepts. Automaton has currently 327 states, but on-demand construction may add more states Word has length 151 [2024-05-30 16:40:41,599 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:41,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-30 16:40:41,805 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 16:40:41,805 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:41,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:41,805 INFO L85 PathProgramCache]: Analyzing trace with hash 2007565364, now seen corresponding path program 2 times [2024-05-30 16:40:41,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:41,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730481601] [2024-05-30 16:40:41,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:41,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:44,327 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:44,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:44,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730481601] [2024-05-30 16:40:44,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730481601] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:40:44,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356092377] [2024-05-30 16:40:44,328 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:40:44,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:40:44,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:44,329 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:40:44,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-30 16:40:44,441 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:40:44,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:40:44,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 65 conjunts are in the unsatisfiable core [2024-05-30 16:40:44,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:40:45,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-30 16:40:45,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 16:40:45,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 16:40:45,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 16:40:46,437 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:40:46,438 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 48 treesize of output 14 [2024-05-30 16:40:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:46,514 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:40:52,102 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:40:52,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 201 treesize of output 141 [2024-05-30 16:40:52,172 INFO L349 Elim1Store]: treesize reduction 13, result has 64.9 percent of original size [2024-05-30 16:40:52,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2652 treesize of output 2471 [2024-05-30 16:40:52,199 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 16:40:52,202 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 16:40:52,217 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:40:52,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 399 treesize of output 341 [2024-05-30 16:40:52,230 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 16:40:52,232 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 16:40:52,251 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:40:52,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 321 treesize of output 302 [2024-05-30 16:40:52,306 INFO L349 Elim1Store]: treesize reduction 16, result has 56.8 percent of original size [2024-05-30 16:40:52,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 385 treesize of output 249 [2024-05-30 16:40:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:40:53,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356092377] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:40:53,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:40:53,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 36, 32] total 88 [2024-05-30 16:40:53,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702025586] [2024-05-30 16:40:53,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:40:53,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-05-30 16:40:53,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:40:53,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-05-30 16:40:53,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=817, Invalid=6773, Unknown=66, NotChecked=0, Total=7656 [2024-05-30 16:40:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:53,996 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:40:53,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 4.4772727272727275) internal successors, (394), 88 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:40:53,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:53,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:40:53,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:40:53,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:53,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:53,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:40:53,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:53,997 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:57,018 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:57,018 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:57,018 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ~end~0, ~ok~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ~queue~0.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int] [2024-05-30 16:40:57,029 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:57,029 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ~end~0, ~ok~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ~queue~0.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int] [2024-05-30 16:40:57,029 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ~end~0, ~ok~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ~queue~0.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int] [2024-05-30 16:40:57,617 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 344 states. [2024-05-30 16:40:57,617 INFO L212 cStratifiedReduction]: Copied states 33 times. [2024-05-30 16:40:57,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:57,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:40:57,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:40:57,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:57,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:57,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:40:57,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-30 16:40:57,618 INFO L78 Accepts]: Start accepts. Automaton has currently 347 states, but on-demand construction may add more states Word has length 164 [2024-05-30 16:40:57,619 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:57,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-30 16:40:57,824 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 16:40:57,824 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:57,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:57,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1208142625, now seen corresponding path program 3 times [2024-05-30 16:40:57,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:57,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646803301] [2024-05-30 16:40:57,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:57,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:40:58,094 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 16:40:58,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:40:58,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646803301] [2024-05-30 16:40:58,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646803301] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:40:58,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929162342] [2024-05-30 16:40:58,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 16:40:58,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:40:58,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:40:58,096 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:40:58,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-30 16:40:58,234 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-30 16:40:58,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:40:58,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-30 16:40:58,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:40:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 16:40:58,302 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:40:58,403 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 16:40:58,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929162342] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:40:58,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:40:58,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-05-30 16:40:58,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985560566] [2024-05-30 16:40:58,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:40:58,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-05-30 16:40:58,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:40:58,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-05-30 16:40:58,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-05-30 16:40:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:58,405 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:40:58,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.875) internal successors, (158), 16 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:40:58,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:58,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:40:58,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:40:58,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:58,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:58,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:40:58,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-30 16:40:58,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:58,406 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:40:58,874 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:58,875 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:40:58,875 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_uint_array_~arr~0#1.offset, thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ULTIMATE.start_create_fresh_uint_array_#t~malloc23#1.offset, ULTIMATE.start_create_fresh_uint_array_#t~malloc23#1.base, ~end~0, ~ok~0, ULTIMATE.start_create_fresh_uint_array_#in~size#1, ULTIMATE.start_create_fresh_uint_array_~arr~0#1.base, ULTIMATE.start_create_fresh_uint_array_~size#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ~B~0, ~n~0, ULTIMATE.start_create_fresh_uint_array_#res#1.offset, ULTIMATE.start_main_#t~ret13#1.base, ULTIMATE.start_create_fresh_uint_array_#t~post24#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_create_fresh_uint_array_~i~2#1, ULTIMATE.start_main_~#t1~0#1.base, ~queue~0.base, ULTIMATE.start_main_~#t2~0#1.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int, ULTIMATE.start_main_#t~ret13#1.offset, ULTIMATE.start_create_fresh_uint_array_#res#1.base] [2024-05-30 16:40:58,886 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:58,887 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_uint_array_~arr~0#1.offset, thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ULTIMATE.start_create_fresh_uint_array_#t~malloc23#1.offset, ULTIMATE.start_create_fresh_uint_array_#t~malloc23#1.base, ~end~0, ~ok~0, ULTIMATE.start_create_fresh_uint_array_#in~size#1, ULTIMATE.start_create_fresh_uint_array_~arr~0#1.base, ULTIMATE.start_create_fresh_uint_array_~size#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ~B~0, ~n~0, ULTIMATE.start_create_fresh_uint_array_#res#1.offset, ULTIMATE.start_main_#t~ret13#1.base, ULTIMATE.start_create_fresh_uint_array_#t~post24#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_create_fresh_uint_array_~i~2#1, ULTIMATE.start_main_~#t1~0#1.base, ~queue~0.base, ULTIMATE.start_main_~#t2~0#1.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int, ULTIMATE.start_main_#t~ret13#1.offset, ULTIMATE.start_create_fresh_uint_array_#res#1.base] [2024-05-30 16:40:58,887 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_uint_array_~arr~0#1.offset, thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ULTIMATE.start_create_fresh_uint_array_#t~malloc23#1.offset, ULTIMATE.start_create_fresh_uint_array_#t~malloc23#1.base, ~end~0, ~ok~0, ULTIMATE.start_create_fresh_uint_array_#in~size#1, ULTIMATE.start_create_fresh_uint_array_~arr~0#1.base, ULTIMATE.start_create_fresh_uint_array_~size#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ~B~0, ~n~0, ULTIMATE.start_create_fresh_uint_array_#res#1.offset, ULTIMATE.start_main_#t~ret13#1.base, ULTIMATE.start_create_fresh_uint_array_#t~post24#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_create_fresh_uint_array_~i~2#1, ULTIMATE.start_main_~#t1~0#1.base, ~queue~0.base, ULTIMATE.start_main_~#t2~0#1.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int, ULTIMATE.start_main_#t~ret13#1.offset, ULTIMATE.start_create_fresh_uint_array_#res#1.base] [2024-05-30 16:40:59,017 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:59,018 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_uint_array_~arr~0#1.offset, thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ULTIMATE.start_create_fresh_uint_array_#t~malloc23#1.offset, ULTIMATE.start_create_fresh_uint_array_#t~malloc23#1.base, ~end~0, thread2Thread1of1ForFork1_#t~post4#1, ~ok~0, ULTIMATE.start_create_fresh_uint_array_#in~size#1, ULTIMATE.start_create_fresh_uint_array_~arr~0#1.base, ULTIMATE.start_create_fresh_uint_array_~size#1, ULTIMATE.start_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork0_#t~post1#1, ~A~0, ~B~0, ~n~0, ULTIMATE.start_create_fresh_uint_array_#res#1.offset, ULTIMATE.start_main_#t~ret13#1.base, ULTIMATE.start_create_fresh_uint_array_#t~post24#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_create_fresh_uint_array_~i~2#1, ULTIMATE.start_main_~#t1~0#1.base, ~queue~0.base, ULTIMATE.start_main_~#t2~0#1.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ULTIMATE.start_main_~#t3~0#1.base, thread2Thread1of1ForFork1_~i~1#1, #StackHeapBarrier, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int, ULTIMATE.start_main_#t~ret13#1.offset, thread1Thread1of1ForFork0_~i~0#1, ULTIMATE.start_create_fresh_uint_array_#res#1.base] [2024-05-30 16:40:59,018 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_uint_array_~arr~0#1.offset, thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ULTIMATE.start_create_fresh_uint_array_#t~malloc23#1.offset, ULTIMATE.start_create_fresh_uint_array_#t~malloc23#1.base, ~end~0, thread2Thread1of1ForFork1_#t~post4#1, ~ok~0, ULTIMATE.start_create_fresh_uint_array_#in~size#1, ULTIMATE.start_create_fresh_uint_array_~arr~0#1.base, ULTIMATE.start_create_fresh_uint_array_~size#1, ULTIMATE.start_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork0_#t~post1#1, ~A~0, ~B~0, ~n~0, ULTIMATE.start_create_fresh_uint_array_#res#1.offset, ULTIMATE.start_main_#t~ret13#1.base, ULTIMATE.start_create_fresh_uint_array_#t~post24#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_create_fresh_uint_array_~i~2#1, ULTIMATE.start_main_~#t1~0#1.base, ~queue~0.base, ULTIMATE.start_main_~#t2~0#1.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ULTIMATE.start_main_~#t3~0#1.base, thread2Thread1of1ForFork1_~i~1#1, #StackHeapBarrier, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int, ULTIMATE.start_main_#t~ret13#1.offset, thread1Thread1of1ForFork0_~i~0#1, ULTIMATE.start_create_fresh_uint_array_#res#1.base] [2024-05-30 16:40:59,027 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:40:59,027 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_uint_array_~arr~0#1.offset, thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ULTIMATE.start_create_fresh_uint_array_#t~malloc23#1.offset, ULTIMATE.start_create_fresh_uint_array_#t~malloc23#1.base, ~end~0, thread2Thread1of1ForFork1_#t~post4#1, ~ok~0, ULTIMATE.start_create_fresh_uint_array_#in~size#1, ULTIMATE.start_create_fresh_uint_array_~arr~0#1.base, ULTIMATE.start_create_fresh_uint_array_~size#1, ULTIMATE.start_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork0_#t~post1#1, ~A~0, ~B~0, ~n~0, ULTIMATE.start_create_fresh_uint_array_#res#1.offset, ULTIMATE.start_main_#t~ret13#1.base, ULTIMATE.start_create_fresh_uint_array_#t~post24#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_create_fresh_uint_array_~i~2#1, ULTIMATE.start_main_~#t1~0#1.base, ~queue~0.base, ULTIMATE.start_main_~#t2~0#1.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ULTIMATE.start_main_~#t3~0#1.base, thread2Thread1of1ForFork1_~i~1#1, #StackHeapBarrier, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int, ULTIMATE.start_main_#t~ret13#1.offset, thread1Thread1of1ForFork0_~i~0#1, ULTIMATE.start_create_fresh_uint_array_#res#1.base] [2024-05-30 16:40:59,027 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_uint_array_~arr~0#1.offset, thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ULTIMATE.start_create_fresh_uint_array_#t~malloc23#1.offset, ULTIMATE.start_create_fresh_uint_array_#t~malloc23#1.base, ~end~0, thread2Thread1of1ForFork1_#t~post4#1, ~ok~0, ULTIMATE.start_create_fresh_uint_array_#in~size#1, ULTIMATE.start_create_fresh_uint_array_~arr~0#1.base, ULTIMATE.start_create_fresh_uint_array_~size#1, ULTIMATE.start_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork0_#t~post1#1, ~A~0, ~B~0, ~n~0, ULTIMATE.start_create_fresh_uint_array_#res#1.offset, ULTIMATE.start_main_#t~ret13#1.base, ULTIMATE.start_create_fresh_uint_array_#t~post24#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_create_fresh_uint_array_~i~2#1, ULTIMATE.start_main_~#t1~0#1.base, ~queue~0.base, ULTIMATE.start_main_~#t2~0#1.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ULTIMATE.start_main_~#t3~0#1.base, thread2Thread1of1ForFork1_~i~1#1, #StackHeapBarrier, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int, ULTIMATE.start_main_#t~ret13#1.offset, thread1Thread1of1ForFork0_~i~0#1, ULTIMATE.start_create_fresh_uint_array_#res#1.base] [2024-05-30 16:40:59,209 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 537 states. [2024-05-30 16:40:59,209 INFO L212 cStratifiedReduction]: Copied states 33 times. [2024-05-30 16:40:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:40:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:40:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:40:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:40:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:40:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:40:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-30 16:40:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:40:59,210 INFO L78 Accepts]: Start accepts. Automaton has currently 555 states, but on-demand construction may add more states Word has length 169 [2024-05-30 16:40:59,211 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:40:59,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-30 16:40:59,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-30 16:40:59,412 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:40:59,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:40:59,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1875953394, now seen corresponding path program 4 times [2024-05-30 16:40:59,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:40:59,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092533546] [2024-05-30 16:40:59,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:40:59,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:40:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:41:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:41:02,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:41:02,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092533546] [2024-05-30 16:41:02,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092533546] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:41:02,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851247237] [2024-05-30 16:41:02,998 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 16:41:02,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:41:02,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:41:02,999 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:41:03,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-30 16:41:03,109 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 16:41:03,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:41:03,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 47 conjunts are in the unsatisfiable core [2024-05-30 16:41:03,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:41:04,166 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:41:04,166 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 68 treesize of output 25 [2024-05-30 16:41:04,312 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-30 16:41:04,313 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:41:05,013 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:41:05,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 85 treesize of output 70 [2024-05-30 16:41:05,726 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 16:41:05,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851247237] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:41:05,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:41:05,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 23, 16] total 62 [2024-05-30 16:41:05,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777736080] [2024-05-30 16:41:05,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:41:05,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-05-30 16:41:05,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:41:05,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-05-30 16:41:05,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=3576, Unknown=0, NotChecked=0, Total=3782 [2024-05-30 16:41:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:05,729 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:41:05,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 5.564516129032258) internal successors, (345), 62 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:41:05,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:05,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:41:05,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:41:05,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:41:05,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:41:05,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:41:05,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-30 16:41:05,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:41:05,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:05,730 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:41:07,873 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:41:07,874 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:41:07,874 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ~end~0, ~ok~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ~queue~0.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int] [2024-05-30 16:41:07,885 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:41:07,885 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ~end~0, ~ok~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ~queue~0.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int] [2024-05-30 16:41:07,885 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~x~0#1, ~queue~0.offset, ~end~0, ~ok~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ~queue~0.base, thread3Thread1of1ForFork2_#t~mem7#1, thread3Thread1of1ForFork2_#t~mem8#1, ~start~0, thread2Thread1of1ForFork1_~x~1#1, #memory_int] [2024-05-30 16:41:07,993 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 427 states. [2024-05-30 16:41:07,994 INFO L212 cStratifiedReduction]: Copied states 33 times. [2024-05-30 16:41:07,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:07,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:41:07,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:41:07,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:41:07,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:41:07,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:41:07,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-30 16:41:07,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:41:07,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-30 16:41:07,994 INFO L78 Accepts]: Start accepts. Automaton has currently 445 states, but on-demand construction may add more states Word has length 182 [2024-05-30 16:41:07,995 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:41:08,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-30 16:41:08,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:41:08,196 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:41:08,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:41:08,197 INFO L85 PathProgramCache]: Analyzing trace with hash -710494817, now seen corresponding path program 5 times [2024-05-30 16:41:08,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:41:08,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530183358] [2024-05-30 16:41:08,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:41:08,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:41:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:41:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 16:41:08,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:41:08,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530183358] [2024-05-30 16:41:08,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530183358] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:41:08,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586348320] [2024-05-30 16:41:08,484 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 16:41:08,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:41:08,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:41:08,485 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:41:08,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-30 16:41:08,591 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-05-30 16:41:08,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:41:08,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-30 16:41:08,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:41:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 16:41:08,700 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:41:08,900 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 16:41:08,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586348320] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:41:08,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:41:08,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 24 [2024-05-30 16:41:08,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617826425] [2024-05-30 16:41:08,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:41:08,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-30 16:41:08,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:41:08,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-30 16:41:08,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2024-05-30 16:41:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:08,902 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:41:08,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.416666666666667) internal successors, (178), 24 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:41:08,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:08,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:41:08,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:41:08,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:41:08,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:41:08,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:41:08,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-30 16:41:08,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:41:08,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-30 16:41:08,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:08,903 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:41:09,497 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 358 states. [2024-05-30 16:41:09,498 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:41:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:41:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:41:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:41:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:41:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:41:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-30 16:41:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:41:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-30 16:41:09,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:41:09,499 INFO L78 Accepts]: Start accepts. Automaton has currently 366 states, but on-demand construction may add more states Word has length 192 [2024-05-30 16:41:09,500 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:41:09,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-30 16:41:09,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-30 16:41:09,700 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:41:09,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:41:09,701 INFO L85 PathProgramCache]: Analyzing trace with hash -274964976, now seen corresponding path program 6 times [2024-05-30 16:41:09,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:41:09,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431434628] [2024-05-30 16:41:09,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:41:09,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:41:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:41:10,079 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 16:41:10,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:41:10,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431434628] [2024-05-30 16:41:10,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431434628] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:41:10,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637485109] [2024-05-30 16:41:10,080 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-30 16:41:10,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:41:10,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:41:10,081 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:41:10,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-30 16:41:10,358 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-05-30 16:41:10,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:41:10,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-30 16:41:10,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:41:10,556 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 16:41:10,556 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:41:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 16:41:10,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637485109] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:41:10,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:41:10,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 17] total 33 [2024-05-30 16:41:10,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157779357] [2024-05-30 16:41:10,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:41:10,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-05-30 16:41:10,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:41:10,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-05-30 16:41:10,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=946, Unknown=0, NotChecked=0, Total=1056 [2024-05-30 16:41:10,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:10,931 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:41:10,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.0606060606060606) internal successors, (200), 33 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:41:10,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:10,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:41:10,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:41:10,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:41:10,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:41:10,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:41:10,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-30 16:41:10,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:41:10,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-30 16:41:10,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:41:10,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:10,932 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:41:12,047 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 401 states. [2024-05-30 16:41:12,048 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:41:12,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:12,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:41:12,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:41:12,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:41:12,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:41:12,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:41:12,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-30 16:41:12,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:41:12,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-30 16:41:12,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:41:12,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-30 16:41:12,049 INFO L78 Accepts]: Start accepts. Automaton has currently 409 states, but on-demand construction may add more states Word has length 207 [2024-05-30 16:41:12,050 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:41:12,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-30 16:41:12,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-05-30 16:41:12,256 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:41:12,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:41:12,256 INFO L85 PathProgramCache]: Analyzing trace with hash -641368287, now seen corresponding path program 7 times [2024-05-30 16:41:12,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:41:12,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164779368] [2024-05-30 16:41:12,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:41:12,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:41:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:41:12,842 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 16:41:12,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:41:12,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164779368] [2024-05-30 16:41:12,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164779368] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:41:12,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931633159] [2024-05-30 16:41:12,843 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-30 16:41:12,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:41:12,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:41:12,845 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:41:12,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-30 16:41:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:41:12,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 56 conjunts are in the unsatisfiable core [2024-05-30 16:41:12,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:41:13,491 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 193 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-30 16:41:13,491 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:41:14,219 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-05-30 16:41:14,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931633159] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:41:14,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:41:14,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 29, 21] total 60 [2024-05-30 16:41:14,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930436597] [2024-05-30 16:41:14,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:41:14,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-05-30 16:41:14,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:41:14,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-05-30 16:41:14,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=246, Invalid=3294, Unknown=0, NotChecked=0, Total=3540 [2024-05-30 16:41:14,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:14,227 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:41:14,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 4.8) internal successors, (288), 60 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:41:14,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:14,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:41:14,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:41:14,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:41:14,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:41:14,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:41:14,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-30 16:41:14,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:41:14,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-30 16:41:14,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:41:14,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-30 16:41:14,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:14,229 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:41:18,019 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 443 states. [2024-05-30 16:41:18,020 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:41:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:41:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:41:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:41:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:41:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:41:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-30 16:41:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:41:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-30 16:41:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:41:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-30 16:41:18,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:41:18,022 INFO L78 Accepts]: Start accepts. Automaton has currently 444 states, but on-demand construction may add more states Word has length 232 [2024-05-30 16:41:18,023 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:41:18,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-05-30 16:41:18,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:41:18,228 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:41:18,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:41:18,229 INFO L85 PathProgramCache]: Analyzing trace with hash -804307681, now seen corresponding path program 8 times [2024-05-30 16:41:18,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:41:18,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211296128] [2024-05-30 16:41:18,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:41:18,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:41:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:41:19,184 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 16:41:19,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:41:19,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211296128] [2024-05-30 16:41:19,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211296128] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:41:19,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152318980] [2024-05-30 16:41:19,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:41:19,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:41:19,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:41:19,186 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:41:19,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-30 16:41:19,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:41:19,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:41:19,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 54 conjunts are in the unsatisfiable core [2024-05-30 16:41:19,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:41:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-05-30 16:41:19,869 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:41:21,002 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-05-30 16:41:21,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152318980] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:41:21,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:41:21,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 29, 29] total 74 [2024-05-30 16:41:21,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340616960] [2024-05-30 16:41:21,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:41:21,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-05-30 16:41:21,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:41:21,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-05-30 16:41:21,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=391, Invalid=5011, Unknown=0, NotChecked=0, Total=5402 [2024-05-30 16:41:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:21,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:41:21,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 4.202702702702703) internal successors, (311), 74 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:41:21,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:21,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:41:21,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:41:21,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:41:21,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:41:21,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:41:21,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-30 16:41:21,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:41:21,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-30 16:41:21,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:41:21,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-30 16:41:21,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:41:21,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:21,006 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:41:33,045 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 554 states. [2024-05-30 16:41:33,045 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:41:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:41:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:41:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:41:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:41:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:41:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-30 16:41:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:41:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-30 16:41:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:41:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-30 16:41:33,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:41:33,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-05-30 16:41:33,046 INFO L78 Accepts]: Start accepts. Automaton has currently 555 states, but on-demand construction may add more states Word has length 272 [2024-05-30 16:41:33,047 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:41:33,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-30 16:41:33,254 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,SelfDestructingSolverStorable12 [2024-05-30 16:41:33,254 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:41:33,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:41:33,255 INFO L85 PathProgramCache]: Analyzing trace with hash -52213712, now seen corresponding path program 9 times [2024-05-30 16:41:33,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:41:33,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951478455] [2024-05-30 16:41:33,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:41:33,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:41:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:41:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 0 proven. 658 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 16:41:35,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:41:35,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951478455] [2024-05-30 16:41:35,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951478455] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:41:35,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900775826] [2024-05-30 16:41:35,056 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 16:41:35,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:41:35,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:41:35,057 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:41:35,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-30 16:41:37,081 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-05-30 16:41:37,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:41:37,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 80 conjunts are in the unsatisfiable core [2024-05-30 16:41:37,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:41:40,907 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 215 proven. 409 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-05-30 16:41:40,907 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:41:46,206 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 295 proven. 329 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-05-30 16:41:46,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900775826] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:41:46,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:41:46,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 42, 44] total 132 [2024-05-30 16:41:46,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523599485] [2024-05-30 16:41:46,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:41:46,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2024-05-30 16:41:46,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:41:46,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2024-05-30 16:41:46,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1820, Invalid=15472, Unknown=0, NotChecked=0, Total=17292 [2024-05-30 16:41:46,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:46,211 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:41:46,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 3.4696969696969697) internal successors, (458), 132 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) [2024-05-30 16:41:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:41:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:41:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:41:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:41:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-30 16:41:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-30 16:41:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 16:41:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-30 16:41:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:41:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-30 16:41:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-30 16:41:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-05-30 16:41:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:41:46,212 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:43:28,598 WARN L293 SmtUtils]: Spent 45.31s on a formula simplification. DAG size of input: 122 DAG size of output: 122 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 16:43:34,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:43:39,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:45:36,382 WARN L293 SmtUtils]: Spent 1.09m on a formula simplification. DAG size of input: 125 DAG size of output: 125 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 16:46:19,862 WARN L293 SmtUtils]: Spent 20.74s on a formula simplification. DAG size of input: 121 DAG size of output: 117 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 16:46:57,081 WARN L293 SmtUtils]: Spent 18.89s on a formula simplification. DAG size of input: 126 DAG size of output: 117 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 16:48:57,250 WARN L293 SmtUtils]: Spent 36.28s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 16:48:59,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:49:01,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:49:02,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:49:04,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:49:06,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:49:08,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:49:10,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:49:12,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:49:14,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:49:17,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:49:32,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:52:07,784 WARN L293 SmtUtils]: Spent 44.58s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 16:52:09,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:52:11,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:52:14,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:54:40,678 WARN L293 SmtUtils]: Spent 58.80s on a formula simplification that was a NOOP. DAG size: 98 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-05-30 16:54:41,485 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 16:54:41,485 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 16:54:41,489 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 16:54:42,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-05-30 16:54:42,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-30 16:54:42,685 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-05-30 16:54:42,695 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 408 states. [2024-05-30 16:54:42,695 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:54:42,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-05-30 16:54:42,695 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2024-05-30 16:54:42,697 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 16:54:42,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2024-05-30 16:54:42,707 INFO L445 BasicCegarLoop]: Path program histogram: [9, 2, 1, 1, 1] [2024-05-30 16:54:42,708 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-30 16:54:42,709 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 16:54:42,710 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 16:54:42,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 04:54:42 BasicIcfg [2024-05-30 16:54:42,711 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 16:54:42,712 INFO L158 Benchmark]: Toolchain (without parser) took 856871.10ms. Allocated memory was 182.5MB in the beginning and 952.1MB in the end (delta: 769.7MB). Free memory was 118.2MB in the beginning and 493.1MB in the end (delta: -374.9MB). Peak memory consumption was 395.6MB. Max. memory is 8.0GB. [2024-05-30 16:54:42,712 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 16:54:42,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.85ms. Allocated memory is still 182.5MB. Free memory was 118.0MB in the beginning and 105.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-30 16:54:42,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.47ms. Allocated memory is still 182.5MB. Free memory was 105.6MB in the beginning and 157.0MB in the end (delta: -51.4MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. [2024-05-30 16:54:42,712 INFO L158 Benchmark]: Boogie Preprocessor took 23.40ms. Allocated memory is still 182.5MB. Free memory was 157.0MB in the beginning and 155.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-30 16:54:42,712 INFO L158 Benchmark]: RCFGBuilder took 530.34ms. Allocated memory is still 182.5MB. Free memory was 155.4MB in the beginning and 128.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2024-05-30 16:54:42,712 INFO L158 Benchmark]: TraceAbstraction took 856021.66ms. Allocated memory was 182.5MB in the beginning and 952.1MB in the end (delta: 769.7MB). Free memory was 126.6MB in the beginning and 493.1MB in the end (delta: -366.6MB). Peak memory consumption was 402.6MB. Max. memory is 8.0GB. [2024-05-30 16:54:42,713 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 229.85ms. Allocated memory is still 182.5MB. Free memory was 118.0MB in the beginning and 105.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.47ms. Allocated memory is still 182.5MB. Free memory was 105.6MB in the beginning and 157.0MB in the end (delta: -51.4MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.40ms. Allocated memory is still 182.5MB. Free memory was 157.0MB in the beginning and 155.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 530.34ms. Allocated memory is still 182.5MB. Free memory was 155.4MB in the beginning and 128.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 856021.66ms. Allocated memory was 182.5MB in the beginning and 952.1MB in the end (delta: 769.7MB). Free memory was 126.6MB in the beginning and 493.1MB in the end (delta: -366.6MB). Peak memory consumption was 402.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4643, independent: 4505, independent conditional: 4505, independent unconditional: 0, dependent: 138, dependent conditional: 138, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4521, independent: 4505, independent conditional: 4505, independent unconditional: 0, dependent: 16, dependent conditional: 16, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4521, independent: 4505, independent conditional: 4505, independent unconditional: 0, dependent: 16, dependent conditional: 16, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4545, independent: 4505, independent conditional: 0, independent unconditional: 4505, dependent: 40, dependent conditional: 24, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4545, independent: 4505, independent conditional: 0, independent unconditional: 4505, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4545, independent: 4505, independent conditional: 0, independent unconditional: 4505, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4521, independent: 4505, independent conditional: 0, independent unconditional: 4505, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4521, independent: 4505, independent conditional: 0, independent unconditional: 4505, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4545, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 4521, unknown conditional: 0, unknown unconditional: 4521] , Statistics on independence cache: Total cache size (in pairs): 4521, Positive cache size: 4505, Positive conditional cache size: 0, Positive unconditional cache size: 4505, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24, Maximal queried relation: 3, Independence queries for same thread: 122 - StatisticsResult: Reduction benchmarks 31.1ms Time before loop, 1064.4ms Time in loop, 1.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 7, Reduction States: 660, Duplicate States: 8, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 14.3ms Time before loop, 523.3ms Time in loop, 0.5s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 7, Reduction States: 670, Duplicate States: 8, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 97.6ms Time before loop, 476.2ms Time in loop, 0.6s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 7, Reduction States: 678, Duplicate States: 8, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 147.3ms Time before loop, 372.9ms Time in loop, 0.5s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 7, Reduction States: 687, Duplicate States: 8, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 45.1ms Time before loop, 131.0ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 5, Reduction States: 336, Duplicate States: 33, Protected Variables: 12 - StatisticsResult: Reduction benchmarks 4.9ms Time before loop, 68.6ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 5, Reduction States: 315, Duplicate States: 33, Protected Variables: 12 - StatisticsResult: Reduction benchmarks 1086.5ms Time before loop, 252.4ms Time in loop, 1.3s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 5, Reduction States: 324, Duplicate States: 33, Protected Variables: 12 - StatisticsResult: Reduction benchmarks 2326.8ms Time before loop, 1292.9ms Time in loop, 3.6s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 5, Reduction States: 344, Duplicate States: 33, Protected Variables: 30 - StatisticsResult: Reduction benchmarks 7.8ms Time before loop, 795.4ms Time in loop, 0.8s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 7, Reduction States: 537, Duplicate States: 33, Protected Variables: 12 - StatisticsResult: Reduction benchmarks 1806.4ms Time before loop, 457.1ms Time in loop, 2.3s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 5, Reduction States: 427, Duplicate States: 33, Protected Variables: 30 - StatisticsResult: Reduction benchmarks 14.5ms Time before loop, 579.9ms Time in loop, 0.6s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 358, Duplicate States: 0, Protected Variables: 30 - StatisticsResult: Reduction benchmarks 15.0ms Time before loop, 1100.3ms Time in loop, 1.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 401, Duplicate States: 0, Protected Variables: 30 - StatisticsResult: Reduction benchmarks 431.1ms Time before loop, 3359.5ms Time in loop, 3.8s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 443, Duplicate States: 0, Protected Variables: 30 - StatisticsResult: Reduction benchmarks 27.9ms Time before loop, 12010.6ms Time in loop, 12.0s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 554, Duplicate States: 0, Protected Variables: 30 - StatisticsResult: Reduction benchmarks 118001.5ms Time before loop, 658481.2ms Time in loop, 776.5s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 2, Reduction States: 408, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 604, Transitions: 626, Traversal time: 1.1s - StatisticsResult: Visitor Statistics States: 604, Transitions: 629, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 611, Transitions: 636, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 619, Transitions: 644, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 253, Transitions: 278, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 223, Transitions: 251, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 231, Transitions: 259, Traversal time: 1.3s - StatisticsResult: Visitor Statistics States: 244, Transitions: 272, Traversal time: 3.6s - StatisticsResult: Visitor Statistics States: 374, Transitions: 460, Traversal time: 0.8s - StatisticsResult: Visitor Statistics States: 297, Transitions: 335, Traversal time: 2.3s - StatisticsResult: Visitor Statistics States: 229, Transitions: 234, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 244, Transitions: 249, Traversal time: 1.1s - StatisticsResult: Visitor Statistics States: 242, Transitions: 247, Traversal time: 3.8s - StatisticsResult: Visitor Statistics States: 282, Transitions: 287, Traversal time: 12.0s - StatisticsResult: Visitor Statistics States: 205, Transitions: 209, Traversal time: 776.5s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 79, RedundantProofs: 13, ProvenStates: 242, Times there's more than one choice: 178, Avg number of choices: 3.3016528925619837 - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 186 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 855.9s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 805.1s, 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: 424, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 43.7s InterpolantComputationTime, 4453 NumberOfCodeBlocks, 4416 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 6391 ConstructedInterpolants, 53 QuantifiedInterpolants, 53512 SizeOfPredicates, 238 NumberOfNonLiveVariables, 4474 ConjunctsInSsa, 449 ConjunctsInUnsatCore, 37 InterpolantComputations, 4 PerfectInterpolantSequences, 2061/5192 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