/usr/lib/jvm/java-1.11.0-openjdk-amd64/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-bad-ring-nondet.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 01:14:58,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 01:14:58,595 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-26 01:14:58,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 01:14:58,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 01:14:58,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-26 01:14:58,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 01:14:58,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 01:14:58,613 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 01:14:58,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 01:14:58,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 01:14:58,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 01:14:58,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 01:14:58,614 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 01:14:58,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 01:14:58,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 01:14:58,615 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 01:14:58,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 01:14:58,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 01:14:58,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 01:14:58,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 01:14:58,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 01:14:58,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 01:14:58,617 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 01:14:58,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 01:14:58,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 01:14:58,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 01:14:58,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 01:14:58,617 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 01:14:58,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 01:14:58,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 01:14:58,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 01:14:58,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 01:14:58,618 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-26 01:14:58,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-26 01:14:58,618 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 01:14:58,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 01:14:58,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 01:14:58,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 01:14:58,619 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 01:14:58,619 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-26 01:14:58,619 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 01:14:58,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 01:14:58,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 01:14:58,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 01:14:58,812 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 01:14:58,812 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 01:14:58,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2024-01-26 01:14:59,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 01:14:59,955 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 01:14:59,955 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2024-01-26 01:14:59,963 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b5fc1ae7e/0fd3e5b71b074e82bf3fbf03906277c3/FLAG132605ef8 [2024-01-26 01:14:59,979 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b5fc1ae7e/0fd3e5b71b074e82bf3fbf03906277c3 [2024-01-26 01:14:59,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 01:14:59,982 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 01:14:59,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 01:14:59,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 01:14:59,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 01:14:59,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 01:14:59" (1/1) ... [2024-01-26 01:14:59,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee19d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:14:59, skipping insertion in model container [2024-01-26 01:14:59,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 01:14:59" (1/1) ... [2024-01-26 01:15:00,014 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 01:15:00,160 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c[4124,4137] [2024-01-26 01:15:00,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 01:15:00,175 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 01:15:00,195 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c[4124,4137] [2024-01-26 01:15:00,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 01:15:00,208 INFO L206 MainTranslator]: Completed translation [2024-01-26 01:15:00,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:15:00 WrapperNode [2024-01-26 01:15:00,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 01:15:00,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 01:15:00,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 01:15:00,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 01:15:00,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:15:00" (1/1) ... [2024-01-26 01:15:00,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:15:00" (1/1) ... [2024-01-26 01:15:00,237 INFO L138 Inliner]: procedures = 25, calls = 63, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 333 [2024-01-26 01:15:00,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 01:15:00,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 01:15:00,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 01:15:00,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 01:15:00,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:15:00" (1/1) ... [2024-01-26 01:15:00,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:15:00" (1/1) ... [2024-01-26 01:15:00,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:15:00" (1/1) ... [2024-01-26 01:15:00,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:15:00" (1/1) ... [2024-01-26 01:15:00,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:15:00" (1/1) ... [2024-01-26 01:15:00,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:15:00" (1/1) ... [2024-01-26 01:15:00,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:15:00" (1/1) ... [2024-01-26 01:15:00,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:15:00" (1/1) ... [2024-01-26 01:15:00,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 01:15:00,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 01:15:00,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 01:15:00,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 01:15:00,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:15:00" (1/1) ... [2024-01-26 01:15:00,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 01:15:00,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:15:00,313 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) [2024-01-26 01:15:00,316 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 [2024-01-26 01:15:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 01:15:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 01:15:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 01:15:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 01:15:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 01:15:00,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 01:15:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 01:15:00,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 01:15:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 01:15:00,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 01:15:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 01:15:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 01:15:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 01:15:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 01:15:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 01:15:00,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 01:15:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 01:15:00,333 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 01:15:00,422 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 01:15:00,423 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 01:15:00,730 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 01:15:00,810 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 01:15:00,811 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-26 01:15:00,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 01:15:00 BoogieIcfgContainer [2024-01-26 01:15:00,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 01:15:00,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 01:15:00,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 01:15:00,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 01:15:00,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 01:14:59" (1/3) ... [2024-01-26 01:15:00,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561e5d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 01:15:00, skipping insertion in model container [2024-01-26 01:15:00,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:15:00" (2/3) ... [2024-01-26 01:15:00,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561e5d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 01:15:00, skipping insertion in model container [2024-01-26 01:15:00,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 01:15:00" (3/3) ... [2024-01-26 01:15:00,816 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring-nondet.wvr.c [2024-01-26 01:15:00,821 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 01:15:00,827 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 01:15:00,827 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 01:15:00,827 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 01:15:00,903 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-26 01:15:00,931 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 01:15:00,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 01:15:00,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:15:00,935 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) [2024-01-26 01:15:00,936 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 [2024-01-26 01:15:00,971 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 01:15:00,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 01:15:00,986 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;@5da4d2ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 01:15:00,987 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-26 01:15:03,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:15:03,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:15:03,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1705505784, now seen corresponding path program 1 times [2024-01-26 01:15:03,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:15:03,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849933239] [2024-01-26 01:15:03,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:15:03,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:15:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:15:03,961 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-01-26 01:15:03,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:15:03,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849933239] [2024-01-26 01:15:03,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849933239] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:15:03,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:15:03,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 01:15:03,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744568237] [2024-01-26 01:15:03,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:15:03,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 01:15:03,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:15:03,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 01:15:03,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 01:15:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:03,990 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:15:03,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 115.0) internal successors, (230), 2 states have internal predecessors, (230), 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) [2024-01-26 01:15:03,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:15:05,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:05,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 01:15:05,661 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:15:05,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:15:05,662 INFO L85 PathProgramCache]: Analyzing trace with hash -127945198, now seen corresponding path program 1 times [2024-01-26 01:15:05,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:15:05,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288687602] [2024-01-26 01:15:05,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:15:05,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:15:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:15:05,948 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-01-26 01:15:05,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:15:05,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288687602] [2024-01-26 01:15:05,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288687602] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:15:05,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:15:05,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 01:15:05,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80115811] [2024-01-26 01:15:05,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:15:05,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 01:15:05,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:15:05,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 01:15:05,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 01:15:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:05,954 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:15:05,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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) [2024-01-26 01:15:05,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:05,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:15:07,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:15:07,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 01:15:07,352 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:15:07,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:15:07,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1721587456, now seen corresponding path program 2 times [2024-01-26 01:15:07,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:15:07,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425559858] [2024-01-26 01:15:07,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:15:07,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:15:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:15:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-01-26 01:15:07,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:15:07,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425559858] [2024-01-26 01:15:07,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425559858] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:15:07,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:15:07,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-26 01:15:07,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175306844] [2024-01-26 01:15:07,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:15:07,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-26 01:15:07,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:15:07,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-26 01:15:07,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-01-26 01:15:07,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:07,615 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:15:07,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 6 states have internal predecessors, (235), 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) [2024-01-26 01:15:07,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:07,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:15:07,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:15:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:15:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:15:09,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-26 01:15:09,060 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:15:09,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:15:09,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1208669989, now seen corresponding path program 1 times [2024-01-26 01:15:09,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:15:09,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740358775] [2024-01-26 01:15:09,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:15:09,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:15:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:15:09,540 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 01:15:09,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:15:09,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740358775] [2024-01-26 01:15:09,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740358775] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:15:09,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482831326] [2024-01-26 01:15:09,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:15:09,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:15:09,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:15:09,544 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) [2024-01-26 01:15:09,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-01-26 01:15:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:15:09,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 7 conjunts are in the unsatisfiable core [2024-01-26 01:15:09,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:15:09,794 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-01-26 01:15:09,795 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-01-26 01:15:09,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482831326] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:15:09,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-01-26 01:15:09,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2024-01-26 01:15:09,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584281089] [2024-01-26 01:15:09,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:15:09,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-26 01:15:09,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:15:09,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-26 01:15:09,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-01-26 01:15:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:09,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:15:09,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 01:15:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:15:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:15:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:15:12,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:12,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:15:12,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:15:12,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 01:15:12,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-01-26 01:15:12,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:15:12,510 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:15:12,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:15:12,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1803504336, now seen corresponding path program 1 times [2024-01-26 01:15:12,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:15:12,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234757741] [2024-01-26 01:15:12,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:15:12,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:15:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:15:12,604 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-01-26 01:15:12,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:15:12,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234757741] [2024-01-26 01:15:12,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234757741] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:15:12,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517860221] [2024-01-26 01:15:12,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:15:12,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:15:12,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:15:12,606 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) [2024-01-26 01:15:12,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-01-26 01:15:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:15:12,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 5 conjunts are in the unsatisfiable core [2024-01-26 01:15:12,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:15:12,894 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-01-26 01:15:12,894 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-01-26 01:15:12,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517860221] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:15:12,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-01-26 01:15:12,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-01-26 01:15:12,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782434769] [2024-01-26 01:15:12,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:15:12,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-26 01:15:12,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:15:12,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-26 01:15:12,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-01-26 01:15:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:12,896 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:15:12,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.333333333333336) internal successors, (254), 6 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 01:15:12,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:12,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:15:12,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:15:12,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 01:15:12,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:15:15,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:15,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:15:15,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:15:15,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 01:15:15,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:15:15,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-01-26 01:15:15,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:15:15,936 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:15:15,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:15:15,936 INFO L85 PathProgramCache]: Analyzing trace with hash -724950983, now seen corresponding path program 1 times [2024-01-26 01:15:15,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:15:15,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450647980] [2024-01-26 01:15:15,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:15:15,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:15:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:15:16,064 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-01-26 01:15:16,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:15:16,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450647980] [2024-01-26 01:15:16,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450647980] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:15:16,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494068533] [2024-01-26 01:15:16,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:15:16,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:15:16,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:15:16,069 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) [2024-01-26 01:15:16,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-01-26 01:15:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:15:16,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 7 conjunts are in the unsatisfiable core [2024-01-26 01:15:16,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:15:16,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2024-01-26 01:15:16,370 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-01-26 01:15:16,371 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:15:16,417 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-01-26 01:15:16,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494068533] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 01:15:16,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 01:15:16,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-01-26 01:15:16,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010997157] [2024-01-26 01:15:16,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 01:15:16,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-26 01:15:16,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:15:16,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-26 01:15:16,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-01-26 01:15:16,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:16,419 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:15:16,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 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) [2024-01-26 01:15:16,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:16,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:15:16,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:15:16,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 01:15:16,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:15:16,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:15:18,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:18,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:15:18,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:15:18,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 01:15:18,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:15:18,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 01:15:18,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-01-26 01:15:18,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:15:18,835 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:15:18,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:15:18,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1403563436, now seen corresponding path program 2 times [2024-01-26 01:15:18,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:15:18,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931732246] [2024-01-26 01:15:18,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:15:18,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:15:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:15:18,916 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-01-26 01:15:18,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:15:18,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931732246] [2024-01-26 01:15:18,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931732246] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:15:18,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:15:18,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 01:15:18,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399048445] [2024-01-26 01:15:18,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:15:18,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 01:15:18,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:15:18,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 01:15:18,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 01:15:18,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:18,927 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:15:18,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2024-01-26 01:15:18,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:15:18,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:15:18,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:15:18,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 01:15:18,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:15:18,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 01:15:18,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Received shutdown request... [2024-01-26 01:29:40,619 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 [2024-01-26 01:29:40,619 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 [2024-01-26 01:29:40,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-26 01:29:40,658 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-01-26 01:29:40,659 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 01:29:40,716 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1] [2024-01-26 01:29:40,717 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-01-26 01:29:40,718 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 01:29:40,718 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 01:29:40,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 01:29:40 BasicIcfg [2024-01-26 01:29:40,722 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 01:29:40,723 INFO L158 Benchmark]: Toolchain (without parser) took 880740.52ms. Allocated memory was 270.5MB in the beginning and 907.0MB in the end (delta: 636.5MB). Free memory was 225.3MB in the beginning and 541.9MB in the end (delta: -316.6MB). Peak memory consumption was 817.0MB. Max. memory is 8.0GB. [2024-01-26 01:29:40,723 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 208.7MB. Free memory is still 155.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 01:29:40,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.20ms. Allocated memory is still 270.5MB. Free memory was 225.3MB in the beginning and 212.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-01-26 01:29:40,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.51ms. Allocated memory is still 270.5MB. Free memory was 212.2MB in the beginning and 209.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-01-26 01:29:40,724 INFO L158 Benchmark]: Boogie Preprocessor took 48.21ms. Allocated memory is still 270.5MB. Free memory was 209.6MB in the beginning and 207.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 01:29:40,724 INFO L158 Benchmark]: RCFGBuilder took 524.11ms. Allocated memory is still 270.5MB. Free memory was 207.0MB in the beginning and 163.5MB in the end (delta: 43.5MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2024-01-26 01:29:40,724 INFO L158 Benchmark]: TraceAbstraction took 879909.98ms. Allocated memory was 270.5MB in the beginning and 907.0MB in the end (delta: 636.5MB). Free memory was 163.0MB in the beginning and 541.9MB in the end (delta: -378.9MB). Peak memory consumption was 755.1MB. Max. memory is 8.0GB. [2024-01-26 01:29:40,730 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 208.7MB. Free memory is still 155.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 225.20ms. Allocated memory is still 270.5MB. Free memory was 225.3MB in the beginning and 212.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.51ms. Allocated memory is still 270.5MB. Free memory was 212.2MB in the beginning and 209.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.21ms. Allocated memory is still 270.5MB. Free memory was 209.6MB in the beginning and 207.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 524.11ms. Allocated memory is still 270.5MB. Free memory was 207.0MB in the beginning and 163.5MB in the end (delta: 43.5MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. * TraceAbstraction took 879909.98ms. Allocated memory was 270.5MB in the beginning and 907.0MB in the end (delta: 636.5MB). Free memory was 163.0MB in the beginning and 541.9MB in the end (delta: -378.9MB). Peak memory consumption was 755.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 55081, independent: 52637, independent conditional: 52637, independent unconditional: 0, dependent: 2444, dependent conditional: 2444, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52818, independent: 52637, independent conditional: 52637, independent unconditional: 0, dependent: 181, dependent conditional: 181, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 52818, independent: 52637, independent conditional: 52637, independent unconditional: 0, dependent: 181, dependent conditional: 181, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53790, independent: 52637, independent conditional: 0, independent unconditional: 52637, dependent: 1153, dependent conditional: 972, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 53790, independent: 52637, independent conditional: 0, independent unconditional: 52637, dependent: 1153, dependent conditional: 0, dependent unconditional: 1153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53790, independent: 52637, independent conditional: 0, independent unconditional: 52637, dependent: 1153, dependent conditional: 0, dependent unconditional: 1153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 52818, independent: 52637, independent conditional: 0, independent unconditional: 52637, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 52818, independent: 52637, independent conditional: 0, independent unconditional: 52637, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 181, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 181, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 181, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 594, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 594, dependent conditional: 0, dependent unconditional: 594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 53790, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 972, dependent conditional: 0, dependent unconditional: 972, unknown: 52818, unknown conditional: 0, unknown unconditional: 52818] , Statistics on independence cache: Total cache size (in pairs): 52818, Positive cache size: 52637, Positive conditional cache size: 0, Positive unconditional cache size: 52637, Negative cache size: 181, Negative conditional cache size: 0, Negative unconditional cache size: 181, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 972, Maximal queried relation: 7, Independence queries for same thread: 2263 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 17, RedundantProofs: 4, ProvenStates: 5379, Times there's more than one choice: 4921, Avg number of choices: 5.505670198921733 - StatisticsResult: Reduction benchmarks 0.0s Time before loop, 2.2s Time in loop, 2.2s Time in total, Has Loop: true, Protected Variables: [write~init~int_#value, ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, thread1Thread1of1ForFork0_#t~short7#1, write~int_#ptr.base, #Ultimate.allocOnHeap_#res.offset, thread1_#res#1.base, thread2_#res#1.base, thread3_#res#1.base, ~q2_back~0, old(~q2_back~0), thread2Thread1of1ForFork1_~_argptr#1.base, thread1_#t~mem1#1, thread1_#t~mem4#1, thread1_#t~mem6#1, thread2_#t~mem9#1, ULTIMATE.start_main_#t~mem35#1, ULTIMATE.start_main_#t~mem36#1, ULTIMATE.start_main_#t~mem37#1, ULTIMATE.start_main_#res#1, thread2_~j~0#1, ULTIMATE.start_main_#t~ret25#1.base, thread2Thread1of1ForFork1_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_#t~ret24#1.base, ULTIMATE.start_main_~#t3~0#1.offset, ~q1~0.offset, old(~q1~0.offset), thread3Thread1of1ForFork2_~_argptr#1.offset, thread3_~t~0#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, thread1Thread1of1ForFork0_#res#1.base, thread1_~_argptr#1.base, thread2_~_argptr#1.base, thread3_~_argptr#1.base, thread1Thread1of1ForFork0_#t~mem1#1, thread1Thread1of1ForFork0_#t~mem4#1, read~int_#ptr.base, thread1Thread1of1ForFork0_#t~mem6#1, ULTIMATE.start_create_fresh_int_array_#t~malloc38#1.base, ULTIMATE.start_main_#t~ret23#1.base, ULTIMATE.start_#t~ret41#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, thread1_#res#1.offset, thread2_#res#1.offset, thread3_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#t~nondet40#1, thread3Thread1of1ForFork2_#in~_argptr#1.offset, thread1Thread1of1ForFork0_~_argptr#1.base, ULTIMATE.start_main_~#t2~0#1.offset, #Ultimate.allocOnStack_~size, thread3_~k~0#1, ~q3~0.offset, old(~q3~0.offset), thread1Thread1of1ForFork0_#res#1.offset, thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1, read~int_#sizeOfReadType, write~init~int_#sizeOfWrittenType, thread2Thread1of1ForFork1_~_argptr#1.offset, thread3Thread1of1ForFork2_#in~_argptr#1.base, thread3Thread1of1ForFork2_thidvar0, old(thread3Thread1of1ForFork2_thidvar0), thread3Thread1of1ForFork2_thidvar1, old(thread3Thread1of1ForFork2_thidvar1), thread3Thread1of1ForFork2_thidvar2, old(thread3Thread1of1ForFork2_thidvar2), thread3Thread1of1ForFork2_thidvar3, old(thread3Thread1of1ForFork2_thidvar3), ULTIMATE.start_main_~#t1~0#1.offset, ~n1~0, old(~n1~0), ~n2~0, old(~n2~0), ~n3~0, old(~n3~0), ~q1~0.base, old(~q1~0.base), thread1_~cond~0#1, thread1_#t~post2#1, thread1_#t~post3#1, thread1_#t~post5#1, thread1_#t~post8#1, ~q3_front~0, old(~q3_front~0), thread3Thread1of1ForFork2_#t~post15#1, thread3Thread1of1ForFork2_#t~post18#1, ULTIMATE.start_main_#t~pre29#1, ULTIMATE.start_main_#t~pre31#1, #Ultimate.allocOnStack_#res.offset, ULTIMATE.start_main_#t~pre33#1, thread2Thread1of1ForFork1_#in~_argptr#1.offset, ULTIMATE.dealloc_~addr.offset, thread1_~_argptr#1.offset, thread2_~_argptr#1.offset, thread3_~_argptr#1.offset, write~int_#value, write~init~int_#ptr.offset, ULTIMATE.dealloc_~addr.base, ~q2_front~0, old(~q2_front~0), ~q1_back~0, old(~q1_back~0), thread1Thread1of1ForFork0_~cond~0#1, thread1_~l~0#1, thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, ULTIMATE.start_assume_abort_if_not_~cond#1, #pthreadsForks, old(#pthreadsForks), thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1, ~q1_front~0, old(~q1_front~0), thread1Thread1of1ForFork0_#t~post2#1, thread1Thread1of1ForFork0_#t~post3#1, thread1Thread1of1ForFork0_#t~post5#1, thread1Thread1of1ForFork0_#t~post8#1, thread1_#in~_argptr#1.offset, thread2_#in~_argptr#1.offset, thread3_#in~_argptr#1.offset, ~q3~0.base, old(~q3~0.base), thread1Thread1of1ForFork0_~_argptr#1.offset, ~N~0, old(~N~0), #Ultimate.allocOnHeap_#res.base, ~r~0, old(~r~0), thread2Thread1of1ForFork1_#in~_argptr#1.base, #valid, old(#valid), read~int_#value, #Ultimate.allocInit_~size, thread1Thread1of1ForFork0_~l~0#1, thread1_assume_abort_if_not_~cond#1, thread2_assume_abort_if_not_~cond#1, thread3_assume_abort_if_not_~cond#1, write~init~int_#ptr.base, thread2Thread1of1ForFork1_thidvar0, old(thread2Thread1of1ForFork1_thidvar0), thread2Thread1of1ForFork1_thidvar1, old(thread2Thread1of1ForFork1_thidvar1), thread2Thread1of1ForFork1_thidvar2, old(thread2Thread1of1ForFork1_thidvar2), thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_#t~post13#1, thread1Thread1of1ForFork0_#in~_argptr#1.offset, ~q3_back~0, old(~q3_back~0), thread3Thread1of1ForFork2_#t~short17#1, thread3Thread1of1ForFork2_#t~mem14#1, thread3Thread1of1ForFork2_#t~mem16#1, thread1_#in~_argptr#1.base, thread2_#in~_argptr#1.base, thread3_#in~_argptr#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #Ultimate.allocInit_ptrBase, ULTIMATE.start_main_#t~nondet19#1, thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet20#1, ULTIMATE.start_main_#t~nondet21#1, ULTIMATE.start_main_#t~nondet22#1, ULTIMATE.start_main_#t~nondet26#1, ULTIMATE.start_main_#t~nondet27#1, ULTIMATE.start_main_#t~nondet28#1, thread2_#t~post10#1, thread2_#t~post13#1, thread3_#t~post15#1, thread3_#t~post18#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet30#1, ULTIMATE.start_main_#t~nondet32#1, ULTIMATE.start_main_#t~nondet34#1, ~q2~0.offset, old(~q2~0.offset), #length, old(#length), thread1Thread1of1ForFork0_#in~_argptr#1.base, ULTIMATE.start_main_~#t2~0#1.base, write~int_#sizeOfWrittenType, thread3Thread1of1ForFork2_#res#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, old(#StackHeapBarrier), ULTIMATE.start_create_fresh_int_array_#t~post39#1, thread1_assume_abort_if_not_#in~cond#1, thread2_assume_abort_if_not_#in~cond#1, thread3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork1_#t~short12#1, thread2Thread1of1ForFork1_#t~mem11#1, thread2Thread1of1ForFork1_~s~0#1, thread3Thread1of1ForFork2_~t~0#1, thread3Thread1of1ForFork2_~_argptr#1.base, thread1Thread1of1ForFork0_thidvar0, old(thread1Thread1of1ForFork0_thidvar0), thread1Thread1of1ForFork0_thidvar1, old(thread1Thread1of1ForFork0_thidvar1), thread1_~i~0#1, write~int_#ptr.offset, #Ultimate.allocOnHeap_~size, ULTIMATE.start_main_#t~ret23#1.offset, thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, #memory_int, old(#memory_int), thread3Thread1of1ForFork2_#res#1.offset, ULTIMATE.start_main_#t~ret24#1.offset, thread2_#t~short12#1, thread3_#t~short17#1, thread2_#t~mem11#1, #Ultimate.allocOnStack_#res.base, thread3_#t~mem14#1, thread3_#t~mem16#1, thread1_#t~short7#1, thread2_~s~0#1, ULTIMATE.start_main_#t~ret25#1.offset, thread2Thread1of1ForFork1_#res#1.base, ~q2~0.base, old(~q2~0.base), thread2Thread1of1ForFork1_#t~mem9#1, thread1Thread1of1ForFork0_~i~0#1, thread2Thread1of1ForFork1_~j~0#1, ULTIMATE.start_create_fresh_int_array_#t~malloc38#1.offset, thread3Thread1of1ForFork2_~k~0#1, read~int_#ptr.offset, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset], Protected Variables before encountering a loop: [] - TimeoutResultAtElement [Line: 156]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 318 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 879.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 876.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2677 NumberOfCodeBlocks, 2677 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2951 ConstructedInterpolants, 0 QuantifiedInterpolants, 5616 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1796 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 601/634 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