/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 20:17:44,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 20:17:44,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-30 20:17:44,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 20:17:44,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 20:17:44,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 20:17:44,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 20:17:44,876 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 20:17:44,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 20:17:44,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 20:17:44,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 20:17:44,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 20:17:44,877 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 20:17:44,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 20:17:44,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 20:17:44,878 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 20:17:44,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 20:17:44,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 20:17:44,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 20:17:44,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 20:17:44,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 20:17:44,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 20:17:44,880 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 20:17:44,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 20:17:44,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 20:17:44,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 20:17:44,880 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 20:17:44,881 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 20:17:44,881 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 20:17:44,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 20:17:44,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 20:17:44,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 20:17:44,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 20:17:44,882 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 20:17:44,882 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-30 20:17:44,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-30 20:17:44,882 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 20:17:44,882 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 20:17:44,882 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 20:17:44,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 20:17:45,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 20:17:45,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 20:17:45,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 20:17:45,063 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 20:17:45,064 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 20:17:45,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-05-30 20:17:46,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 20:17:46,310 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 20:17:46,310 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-05-30 20:17:46,316 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ed7456203/a1c5d42463784c4a9042563e745c420d/FLAGbd2b62d1c [2024-05-30 20:17:46,327 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ed7456203/a1c5d42463784c4a9042563e745c420d [2024-05-30 20:17:46,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 20:17:46,330 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 20:17:46,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 20:17:46,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 20:17:46,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 20:17:46,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 08:17:46" (1/1) ... [2024-05-30 20:17:46,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd88f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:17:46, skipping insertion in model container [2024-05-30 20:17:46,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 08:17:46" (1/1) ... [2024-05-30 20:17:46,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 20:17:46,514 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-threaded-sum-3.wvr.c[2957,2970] [2024-05-30 20:17:46,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 20:17:46,531 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 20:17:46,553 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-threaded-sum-3.wvr.c[2957,2970] [2024-05-30 20:17:46,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 20:17:46,568 INFO L206 MainTranslator]: Completed translation [2024-05-30 20:17:46,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:17:46 WrapperNode [2024-05-30 20:17:46,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 20:17:46,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 20:17:46,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 20:17:46,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 20:17:46,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:17:46" (1/1) ... [2024-05-30 20:17:46,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:17:46" (1/1) ... [2024-05-30 20:17:46,616 INFO L138 Inliner]: procedures = 22, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2024-05-30 20:17:46,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 20:17:46,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 20:17:46,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 20:17:46,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 20:17:46,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:17:46" (1/1) ... [2024-05-30 20:17:46,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:17:46" (1/1) ... [2024-05-30 20:17:46,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:17:46" (1/1) ... [2024-05-30 20:17:46,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:17:46" (1/1) ... [2024-05-30 20:17:46,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:17:46" (1/1) ... [2024-05-30 20:17:46,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:17:46" (1/1) ... [2024-05-30 20:17:46,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:17:46" (1/1) ... [2024-05-30 20:17:46,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:17:46" (1/1) ... [2024-05-30 20:17:46,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 20:17:46,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 20:17:46,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 20:17:46,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 20:17:46,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:17:46" (1/1) ... [2024-05-30 20:17:46,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 20:17:46,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:17:46,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-30 20:17:46,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-30 20:17:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 20:17:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 20:17:46,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 20:17:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 20:17:46,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 20:17:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-30 20:17:46,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-30 20:17:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 20:17:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 20:17:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 20:17:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 20:17:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 20:17:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 20:17:46,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 20:17:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 20:17:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 20:17:46,731 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 20:17:46,836 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 20:17:46,840 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 20:17:47,085 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 20:17:47,139 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 20:17:47,139 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-30 20:17:47,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 08:17:47 BoogieIcfgContainer [2024-05-30 20:17:47,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 20:17:47,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 20:17:47,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 20:17:47,179 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 20:17:47,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 08:17:46" (1/3) ... [2024-05-30 20:17:47,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e480c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 08:17:47, skipping insertion in model container [2024-05-30 20:17:47,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:17:46" (2/3) ... [2024-05-30 20:17:47,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e480c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 08:17:47, skipping insertion in model container [2024-05-30 20:17:47,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 08:17:47" (3/3) ... [2024-05-30 20:17:47,181 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2024-05-30 20:17:47,187 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 20:17:47,194 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 20:17:47,194 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 20:17:47,194 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 20:17:47,293 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-30 20:17:47,337 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 20:17:47,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 20:17:47,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:17:47,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 20:17:47,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-30 20:17:47,372 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 20:17:47,386 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 20:17:47,391 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@8793bda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 20:17:47,391 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 20:17:47,519 INFO L78 Accepts]: Start accepts. Automaton has currently 186 states, but on-demand construction may add more states Word has length 103 [2024-05-30 20:17:47,520 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:17:47,521 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:17:47,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:17:47,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1463517812, now seen corresponding path program 1 times [2024-05-30 20:17:47,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:17:47,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807785018] [2024-05-30 20:17:47,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:17:47,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:17:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:17:47,719 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-30 20:17:47,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:17:47,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807785018] [2024-05-30 20:17:47,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807785018] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 20:17:47,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 20:17:47,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 20:17:47,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730150302] [2024-05-30 20:17:47,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 20:17:47,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 20:17:47,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:17:47,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 20:17:47,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 20:17:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:47,749 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:17:47,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 48.5) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:17:47,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:47,778 INFO L78 Accepts]: Start accepts. Automaton has currently 186 states, but on-demand construction may add more states Word has length 101 [2024-05-30 20:17:47,779 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:17:47,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 20:17:47,780 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:17:47,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:17:47,780 INFO L85 PathProgramCache]: Analyzing trace with hash -602286668, now seen corresponding path program 1 times [2024-05-30 20:17:47,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:17:47,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094986721] [2024-05-30 20:17:47,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:17:47,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:17:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:17:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-30 20:17:48,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:17:48,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094986721] [2024-05-30 20:17:48,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094986721] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 20:17:48,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 20:17:48,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 20:17:48,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851410712] [2024-05-30 20:17:48,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 20:17:48,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 20:17:48,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:17:48,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 20:17:48,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-30 20:17:48,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:48,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:17:48,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:17:48,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:48,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:48,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:48,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:48,709 INFO L78 Accepts]: Start accepts. Automaton has currently 192 states, but on-demand construction may add more states Word has length 108 [2024-05-30 20:17:48,710 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:17:48,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 20:17:48,710 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:17:48,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:17:48,710 INFO L85 PathProgramCache]: Analyzing trace with hash 893214221, now seen corresponding path program 2 times [2024-05-30 20:17:48,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:17:48,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222743019] [2024-05-30 20:17:48,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:17:48,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:17:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:17:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 20:17:49,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:17:49,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222743019] [2024-05-30 20:17:49,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222743019] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 20:17:49,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 20:17:49,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-30 20:17:49,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473542689] [2024-05-30 20:17:49,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 20:17:49,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-30 20:17:49,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:17:49,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-30 20:17:49,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-30 20:17:49,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:49,088 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:17:49,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:17:49,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:49,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:49,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:49,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:49,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:49,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:49,199 INFO L78 Accepts]: Start accepts. Automaton has currently 217 states, but on-demand construction may add more states Word has length 121 [2024-05-30 20:17:49,201 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:17:49,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 20:17:49,201 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:17:49,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:17:49,203 INFO L85 PathProgramCache]: Analyzing trace with hash 2125863130, now seen corresponding path program 3 times [2024-05-30 20:17:49,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:17:49,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138808240] [2024-05-30 20:17:49,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:17:49,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:17:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:17:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 34 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-30 20:17:49,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:17:49,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138808240] [2024-05-30 20:17:49,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138808240] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:17:49,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219366598] [2024-05-30 20:17:49,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 20:17:49,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:17:49,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:17:49,938 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 20:17:49,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-30 20:17:50,087 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-05-30 20:17:50,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:17:50,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-30 20:17:50,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:17:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-05-30 20:17:50,463 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:17:50,726 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-05-30 20:17:50,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219366598] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:17:50,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:17:50,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 8] total 21 [2024-05-30 20:17:50,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819319231] [2024-05-30 20:17:50,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:17:50,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-05-30 20:17:50,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:17:50,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-05-30 20:17:50,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2024-05-30 20:17:50,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:50,741 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:17:50,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 9.571428571428571) internal successors, (201), 21 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:17:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:51,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:51,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:51,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-30 20:17:51,622 INFO L78 Accepts]: Start accepts. Automaton has currently 339 states, but on-demand construction may add more states Word has length 168 [2024-05-30 20:17:51,623 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:17:51,629 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 20:17:51,828 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 [2024-05-30 20:17:51,828 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:17:51,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:17:51,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1003071423, now seen corresponding path program 4 times [2024-05-30 20:17:51,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:17:51,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444908541] [2024-05-30 20:17:51,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:17:51,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:17:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:17:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-05-30 20:17:52,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:17:52,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444908541] [2024-05-30 20:17:52,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444908541] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 20:17:52,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 20:17:52,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-30 20:17:52,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107064746] [2024-05-30 20:17:52,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 20:17:52,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-30 20:17:52,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:17:52,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-30 20:17:52,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-30 20:17:52,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:52,342 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:17:52,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:17:52,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:52,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:52,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:52,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-30 20:17:52,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:52,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:52,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:52,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:52,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-30 20:17:52,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:17:52,488 INFO L78 Accepts]: Start accepts. Automaton has currently 291 states, but on-demand construction may add more states Word has length 162 [2024-05-30 20:17:52,489 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:17:52,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-30 20:17:52,489 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:17:52,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:17:52,490 INFO L85 PathProgramCache]: Analyzing trace with hash 287421927, now seen corresponding path program 5 times [2024-05-30 20:17:52,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:17:52,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768930594] [2024-05-30 20:17:52,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:17:52,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:17:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:17:52,959 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-05-30 20:17:52,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:17:52,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768930594] [2024-05-30 20:17:52,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768930594] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 20:17:52,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 20:17:52,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-30 20:17:52,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420044958] [2024-05-30 20:17:52,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 20:17:52,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-30 20:17:52,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:17:52,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-30 20:17:52,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-30 20:17:52,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:52,961 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:17:52,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 20:17:52,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:52,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:52,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:52,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-30 20:17:52,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:17:52,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:53,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:17:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:17:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 20:17:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 20:17:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 20:17:53,126 INFO L78 Accepts]: Start accepts. Automaton has currently 267 states, but on-demand construction may add more states Word has length 142 [2024-05-30 20:17:53,127 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:17:53,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-30 20:17:53,127 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:17:53,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:17:53,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1770386798, now seen corresponding path program 6 times [2024-05-30 20:17:53,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:17:53,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429965044] [2024-05-30 20:17:53,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:17:53,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:17:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-05-30 20:32:08,124 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 20:32:08,144 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 20:32:08,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-30 20:32:08,145 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 143 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-3-2-4-3-10-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-16-3-16-3-15-3-15-3-15-3-15-3-14-3-14-3-14-3-14-3-14-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-12-3-12-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-9-3-9-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-5-3-5-3-5-3-5-3-5-3-5-3-4-3-4-3-2-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-51-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-16-3-16-3-15-3-15-3-15-3-15-3-14-3-14-3-14-3-14-3-14-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-12-3-12-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-9-3-9-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-5-3-5-3-5-3-5-3-5-3-5-3-4-3-4-3-2-3-2-1 context. [2024-05-30 20:32:08,150 INFO L445 BasicCegarLoop]: Path program histogram: [6, 1] [2024-05-30 20:32:08,151 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-30 20:32:08,152 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 20:32:08,152 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 20:32:08,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 08:32:08 BasicIcfg [2024-05-30 20:32:08,154 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 20:32:08,154 INFO L158 Benchmark]: Toolchain (without parser) took 861824.81ms. Allocated memory was 233.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 164.6MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 973.5MB. Max. memory is 8.0GB. [2024-05-30 20:32:08,155 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 151.0MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 20:32:08,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.23ms. Allocated memory is still 233.8MB. Free memory was 164.6MB in the beginning and 152.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-30 20:32:08,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.00ms. Allocated memory is still 233.8MB. Free memory was 152.1MB in the beginning and 150.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 20:32:08,155 INFO L158 Benchmark]: Boogie Preprocessor took 28.10ms. Allocated memory is still 233.8MB. Free memory was 150.5MB in the beginning and 148.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-30 20:32:08,155 INFO L158 Benchmark]: RCFGBuilder took 494.05ms. Allocated memory is still 233.8MB. Free memory was 148.9MB in the beginning and 129.0MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-05-30 20:32:08,156 INFO L158 Benchmark]: TraceAbstraction took 860977.88ms. Allocated memory was 233.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 201.9MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2024-05-30 20:32:08,156 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 20:32:08,157 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 151.0MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 238.23ms. Allocated memory is still 233.8MB. Free memory was 164.6MB in the beginning and 152.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.00ms. Allocated memory is still 233.8MB. Free memory was 152.1MB in the beginning and 150.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.10ms. Allocated memory is still 233.8MB. Free memory was 150.5MB in the beginning and 148.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 494.05ms. Allocated memory is still 233.8MB. Free memory was 148.9MB in the beginning and 129.0MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 860977.88ms. Allocated memory was 233.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 201.9MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1881, independent: 1560, independent conditional: 1560, independent unconditional: 0, dependent: 321, dependent conditional: 321, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1745, independent: 1560, independent conditional: 1560, independent unconditional: 0, dependent: 185, dependent conditional: 185, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1745, independent: 1560, independent conditional: 1560, independent unconditional: 0, dependent: 185, dependent conditional: 185, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2538, independent: 1560, independent conditional: 45, independent unconditional: 1515, dependent: 978, dependent conditional: 748, dependent unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2538, independent: 1560, independent conditional: 45, independent unconditional: 1515, dependent: 978, dependent conditional: 269, dependent unconditional: 709, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2538, independent: 1560, independent conditional: 45, independent unconditional: 1515, dependent: 978, dependent conditional: 269, dependent unconditional: 709, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 188, independent: 155, independent conditional: 16, independent unconditional: 139, dependent: 33, dependent conditional: 26, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 188, independent: 139, independent conditional: 0, independent unconditional: 139, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 33, dependent conditional: 26, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 33, dependent conditional: 26, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 199, independent: 39, independent conditional: 39, independent unconditional: 0, dependent: 160, dependent conditional: 94, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2538, independent: 1405, independent conditional: 29, independent unconditional: 1376, dependent: 945, dependent conditional: 243, dependent unconditional: 702, unknown: 188, unknown conditional: 42, unknown unconditional: 146] , Statistics on independence cache: Total cache size (in pairs): 188, Positive cache size: 155, Positive conditional cache size: 16, Positive unconditional cache size: 139, Negative cache size: 33, Negative conditional cache size: 26, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 479, Maximal queried relation: 6, Independence queries for same thread: 136 - StatisticsResult: Visitor Statistics States: 112, Transitions: 119, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 112, Transitions: 118, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 114, Transitions: 120, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 134, Transitions: 145, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 226, Transitions: 255, Traversal time: 0.9s - StatisticsResult: Visitor Statistics States: 181, Transitions: 199, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 159, Transitions: 176, Traversal time: 0.2s - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 143 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-3-2-4-3-10-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-16-3-16-3-15-3-15-3-15-3-15-3-14-3-14-3-14-3-14-3-14-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-12-3-12-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-9-3-9-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-5-3-5-3-5-3-5-3-5-3-5-3-4-3-4-3-2-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-51-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-16-3-16-3-15-3-15-3-15-3-15-3-14-3-14-3-14-3-14-3-14-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-13-3-12-3-12-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-11-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-10-3-9-3-9-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-5-3-5-3-5-3-5-3-5-3-5-3-4-3-4-3-2-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 134 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 860.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 1.6s, 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: 63, 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: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 884 NumberOfCodeBlocks, 855 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 997 ConstructedInterpolants, 0 QuantifiedInterpolants, 2252 SizeOfPredicates, 12 NumberOfNonLiveVariables, 220 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 889/923 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