/usr/bin/java -Xmx7000000000 -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-send-receive.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 07:29:20,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 07:29:20,760 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 07:29:20,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 07:29:20,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 07:29:20,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 07:29:20,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 07:29:20,793 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 07:29:20,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 07:29:20,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 07:29:20,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 07:29:20,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 07:29:20,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 07:29:20,798 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 07:29:20,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 07:29:20,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 07:29:20,799 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 07:29:20,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 07:29:20,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 07:29:20,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 07:29:20,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 07:29:20,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 07:29:20,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 07:29:20,800 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 07:29:20,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 07:29:20,801 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 07:29:20,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 07:29:20,801 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 07:29:20,801 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 07:29:20,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 07:29:20,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 07:29:20,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 07:29:20,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 07:29:20,803 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 07:29:20,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 07:29:20,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 07:29:20,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 07:29:20,803 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 07:29:20,803 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 07:29:20,803 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 07:29:20,804 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 07:29:20,804 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-09-07 07:29:20,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 07:29:21,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 07:29:21,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 07:29:21,010 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 07:29:21,011 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 07:29:21,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2023-09-07 07:29:22,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 07:29:22,238 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 07:29:22,238 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2023-09-07 07:29:22,251 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc0821729/746d2242b6ad4fbd9081d182a61ad242/FLAG35b0f5232 [2023-09-07 07:29:22,623 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc0821729/746d2242b6ad4fbd9081d182a61ad242 [2023-09-07 07:29:22,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 07:29:22,625 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 07:29:22,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 07:29:22,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 07:29:22,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 07:29:22,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 07:29:22" (1/1) ... [2023-09-07 07:29:22,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f9418f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:29:22, skipping insertion in model container [2023-09-07 07:29:22,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 07:29:22" (1/1) ... [2023-09-07 07:29:22,646 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 07:29:22,738 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c[3107,3120] [2023-09-07 07:29:22,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 07:29:22,748 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 07:29:22,761 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c[3107,3120] [2023-09-07 07:29:22,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 07:29:22,768 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 07:29:22,769 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 07:29:22,773 INFO L206 MainTranslator]: Completed translation [2023-09-07 07:29:22,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:29:22 WrapperNode [2023-09-07 07:29:22,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 07:29:22,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 07:29:22,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 07:29:22,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 07:29:22,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:29:22" (1/1) ... [2023-09-07 07:29:22,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:29:22" (1/1) ... [2023-09-07 07:29:22,797 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 165 [2023-09-07 07:29:22,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 07:29:22,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 07:29:22,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 07:29:22,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 07:29:22,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:29:22" (1/1) ... [2023-09-07 07:29:22,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:29:22" (1/1) ... [2023-09-07 07:29:22,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:29:22" (1/1) ... [2023-09-07 07:29:22,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:29:22" (1/1) ... [2023-09-07 07:29:22,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:29:22" (1/1) ... [2023-09-07 07:29:22,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:29:22" (1/1) ... [2023-09-07 07:29:22,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:29:22" (1/1) ... [2023-09-07 07:29:22,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:29:22" (1/1) ... [2023-09-07 07:29:22,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 07:29:22,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 07:29:22,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 07:29:22,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 07:29:22,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:29:22" (1/1) ... [2023-09-07 07:29:22,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 07:29:22,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:29:22,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-07 07:29:22,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-07 07:29:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 07:29:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 07:29:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 07:29:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 07:29:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-07 07:29:22,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-07 07:29:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-07 07:29:22,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-07 07:29:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-07 07:29:22,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-07 07:29:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 07:29:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-07 07:29:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-07 07:29:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-07 07:29:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 07:29:22,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 07:29:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 07:29:22,884 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-07 07:29:22,966 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 07:29:22,967 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 07:29:23,202 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 07:29:23,271 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 07:29:23,271 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-09-07 07:29:23,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 07:29:23 BoogieIcfgContainer [2023-09-07 07:29:23,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 07:29:23,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 07:29:23,275 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 07:29:23,277 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 07:29:23,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 07:29:22" (1/3) ... [2023-09-07 07:29:23,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7813674e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 07:29:23, skipping insertion in model container [2023-09-07 07:29:23,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:29:22" (2/3) ... [2023-09-07 07:29:23,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7813674e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 07:29:23, skipping insertion in model container [2023-09-07 07:29:23,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 07:29:23" (3/3) ... [2023-09-07 07:29:23,278 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2023-09-07 07:29:23,283 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 07:29:23,289 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 07:29:23,289 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-07 07:29:23,290 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 07:29:23,340 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-09-07 07:29:23,373 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 07:29:23,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 07:29:23,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:29:23,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-07 07:29:23,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-07 07:29:23,423 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 07:29:23,428 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-09-07 07:29:23,432 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;@6fabd836, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 07:29:23,432 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2023-09-07 07:29:23,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:29:23,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:29:23,565 INFO L85 PathProgramCache]: Analyzing trace with hash -456360492, now seen corresponding path program 1 times [2023-09-07 07:29:23,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:29:23,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768874625] [2023-09-07 07:29:23,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:29:23,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:29:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:29:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-07 07:29:23,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:29:23,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768874625] [2023-09-07 07:29:23,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768874625] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 07:29:23,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 07:29:23,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-07 07:29:23,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429518203] [2023-09-07 07:29:23,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 07:29:23,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-07 07:29:23,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:29:23,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-07 07:29:23,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-07 07:29:23,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:23,815 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:29:23,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 53.5) internal successors, (107), 2 states have internal predecessors, (107), 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) [2023-09-07 07:29:23,816 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 [2023-09-07 07:29:23,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:23,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 07:29:23,927 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:29:23,928 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:29:23,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1090771510, now seen corresponding path program 1 times [2023-09-07 07:29:23,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:29:23,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899391038] [2023-09-07 07:29:23,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:29:23,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:29:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:29:24,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-07 07:29:24,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:29:24,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899391038] [2023-09-07 07:29:24,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899391038] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 07:29:24,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 07:29:24,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-07 07:29:24,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473927816] [2023-09-07 07:29:24,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 07:29:24,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-07 07:29:24,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:29:24,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-07 07:29:24,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-07 07:29:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:24,373 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:29:24,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2023-09-07 07:29:24,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:24,374 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 [2023-09-07 07:29:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 07:29:24,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 07:29:24,479 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:29:24,480 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:29:24,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1898180516, now seen corresponding path program 2 times [2023-09-07 07:29:24,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:29:24,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204693993] [2023-09-07 07:29:24,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:29:24,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:29:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:29:24,780 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-09-07 07:29:24,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:29:24,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204693993] [2023-09-07 07:29:24,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204693993] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:29:24,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774976020] [2023-09-07 07:29:24,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 07:29:24,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:29:24,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:29:24,828 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 07:29:24,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-07 07:29:24,935 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 07:29:24,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:29:24,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 12 conjunts are in the unsatisfiable core [2023-09-07 07:29:24,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:29:25,147 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 07:29:25,148 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:29:25,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 07:29:25,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774976020] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:29:25,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:29:25,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-09-07 07:29:25,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433064569] [2023-09-07 07:29:25,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:29:25,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-09-07 07:29:25,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:29:25,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-09-07 07:29:25,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-09-07 07:29:25,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:25,489 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:29:25,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 19.916666666666668) internal successors, (239), 12 states have internal predecessors, (239), 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) [2023-09-07 07:29:25,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:25,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 07:29:25,490 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 [2023-09-07 07:32:24,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:32:24,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 07:32:24,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 07:32:24,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-07 07:32:24,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-09-07 07:32:24,312 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:32:24,312 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:32:24,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1196812353, now seen corresponding path program 3 times [2023-09-07 07:32:24,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:32:24,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86925101] [2023-09-07 07:32:24,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:32:24,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:32:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:32:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 07:32:24,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:32:24,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86925101] [2023-09-07 07:32:24,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86925101] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 07:32:24,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 07:32:24,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-09-07 07:32:24,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528688108] [2023-09-07 07:32:24,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 07:32:24,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-07 07:32:24,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:32:24,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-07 07:32:24,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-09-07 07:32:24,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:32:24,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:32:24,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 07:32:24,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:32:24,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 07:32:24,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 07:32:24,601 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 [2023-09-07 07:36:48,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:36:48,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 07:36:48,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 07:36:48,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:36:48,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-07 07:36:48,120 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:36:48,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:36:48,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1023996865, now seen corresponding path program 1 times [2023-09-07 07:36:48,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:36:48,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352976693] [2023-09-07 07:36:48,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:36:48,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:36:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:36:48,548 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-09-07 07:36:48,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:36:48,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352976693] [2023-09-07 07:36:48,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352976693] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 07:36:48,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 07:36:48,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-07 07:36:48,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408663249] [2023-09-07 07:36:48,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 07:36:48,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-07 07:36:48,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:36:48,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-07 07:36:48,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-09-07 07:36:48,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:36:48,550 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:36:48,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 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) [2023-09-07 07:36:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:36:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 07:36:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 07:36:48,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:36:48,551 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 [2023-09-07 07:42:15,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:42:15,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 07:42:15,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 07:42:15,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:42:15,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 07:42:15,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-07 07:42:15,425 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:42:15,425 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:42:15,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1396830295, now seen corresponding path program 2 times [2023-09-07 07:42:15,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:42:15,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242279955] [2023-09-07 07:42:15,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:42:15,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:42:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:42:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:42:16,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:42:16,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242279955] [2023-09-07 07:42:16,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242279955] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:42:16,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561216313] [2023-09-07 07:42:16,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 07:42:16,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:42:16,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:42:16,085 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 07:42:16,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-07 07:42:16,184 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 07:42:16,185 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:42:16,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 20 conjunts are in the unsatisfiable core [2023-09-07 07:42:16,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:42:16,805 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-09-07 07:42:16,806 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:42:17,408 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:42:17,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561216313] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:42:17,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:42:17,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 38 [2023-09-07 07:42:17,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583830933] [2023-09-07 07:42:17,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:42:17,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-09-07 07:42:17,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:42:17,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-09-07 07:42:17,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=1159, Unknown=0, NotChecked=0, Total=1406 [2023-09-07 07:42:17,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:42:17,412 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:42:17,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 7.947368421052632) internal successors, (302), 38 states have internal predecessors, (302), 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) [2023-09-07 07:42:17,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:42:17,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 07:42:17,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 07:42:17,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:42:17,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 07:42:17,413 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... [2023-09-07 07:43:43,292 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 07:43:43,295 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2023-09-07 07:43:43,298 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 07:43:43,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-07 07:43:43,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:43:43,541 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2023-09-07 07:43:43,543 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-09-07 07:43:43,635 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1] [2023-09-07 07:43:43,636 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2023-09-07 07:43:43,637 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 07:43:43,637 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 07:43:43,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 07:43:43 BasicIcfg [2023-09-07 07:43:43,641 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 07:43:43,644 INFO L158 Benchmark]: Toolchain (without parser) took 861016.64ms. Allocated memory was 220.2MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 180.2MB in the beginning and 704.4MB in the end (delta: -524.2MB). Peak memory consumption was 731.3MB. Max. memory is 7.0GB. [2023-09-07 07:43:43,644 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 172.0MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 07:43:43,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.98ms. Allocated memory is still 220.2MB. Free memory was 180.1MB in the beginning and 168.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. [2023-09-07 07:43:43,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.97ms. Allocated memory is still 220.2MB. Free memory was 168.0MB in the beginning and 165.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 07:43:43,646 INFO L158 Benchmark]: Boogie Preprocessor took 21.71ms. Allocated memory is still 220.2MB. Free memory was 165.9MB in the beginning and 164.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-07 07:43:43,647 INFO L158 Benchmark]: RCFGBuilder took 453.32ms. Allocated memory is still 220.2MB. Free memory was 164.4MB in the beginning and 141.8MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 7.0GB. [2023-09-07 07:43:43,647 INFO L158 Benchmark]: TraceAbstraction took 860366.93ms. Allocated memory was 220.2MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 140.8MB in the beginning and 704.4MB in the end (delta: -563.7MB). Peak memory consumption was 691.5MB. Max. memory is 7.0GB. [2023-09-07 07:43:43,648 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 172.0MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 147.98ms. Allocated memory is still 220.2MB. Free memory was 180.1MB in the beginning and 168.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 22.97ms. Allocated memory is still 220.2MB. Free memory was 168.0MB in the beginning and 165.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 21.71ms. Allocated memory is still 220.2MB. Free memory was 165.9MB in the beginning and 164.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 453.32ms. Allocated memory is still 220.2MB. Free memory was 164.4MB in the beginning and 141.8MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 7.0GB. * TraceAbstraction took 860366.93ms. Allocated memory was 220.2MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 140.8MB in the beginning and 704.4MB in the end (delta: -563.7MB). Peak memory consumption was 691.5MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 111664, independent: 109467, independent conditional: 109467, independent unconditional: 0, dependent: 2197, dependent conditional: 2197, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110334, independent: 109467, independent conditional: 109467, independent unconditional: 0, dependent: 867, dependent conditional: 867, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 110334, independent: 109467, independent conditional: 109467, independent unconditional: 0, dependent: 867, dependent conditional: 867, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 114068, independent: 109467, independent conditional: 0, independent unconditional: 109467, dependent: 4601, dependent conditional: 3734, dependent unconditional: 867, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 114068, independent: 109467, independent conditional: 0, independent unconditional: 109467, dependent: 4601, dependent conditional: 0, dependent unconditional: 4601, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114068, independent: 109467, independent conditional: 0, independent unconditional: 109467, dependent: 4601, dependent conditional: 0, dependent unconditional: 4601, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 110334, independent: 109467, independent conditional: 0, independent unconditional: 109467, dependent: 867, dependent conditional: 0, dependent unconditional: 867, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 110334, independent: 109115, independent conditional: 0, independent unconditional: 109115, dependent: 1219, dependent conditional: 0, dependent unconditional: 1219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1219, independent: 352, independent conditional: 0, independent unconditional: 352, dependent: 867, dependent conditional: 0, dependent unconditional: 867, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1219, independent: 352, independent conditional: 0, independent unconditional: 352, dependent: 867, dependent conditional: 0, dependent unconditional: 867, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1219, independent: 352, independent conditional: 0, independent unconditional: 352, dependent: 867, dependent conditional: 0, dependent unconditional: 867, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2124, independent: 628, independent conditional: 0, independent unconditional: 628, dependent: 1496, dependent conditional: 0, dependent unconditional: 1496, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 114068, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3734, dependent conditional: 0, dependent unconditional: 3734, unknown: 110334, unknown conditional: 0, unknown unconditional: 110334] , Statistics on independence cache: Total cache size (in pairs): 110334, Positive cache size: 109467, Positive conditional cache size: 0, Positive unconditional cache size: 109467, Negative cache size: 867, Negative conditional cache size: 0, Negative unconditional cache size: 867, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3734, Maximal queried relation: 6, Independence queries for same thread: 1330 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 4, RedundantProofs: 1, ProvenStates: 5108 - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that 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, 158 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 860.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 855.3s, 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: 53, 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, 3.7s InterpolantComputationTime, 1003 NumberOfCodeBlocks, 1003 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1250 ConstructedInterpolants, 0 QuantifiedInterpolants, 5409 SizeOfPredicates, 15 NumberOfNonLiveVariables, 655 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 186/242 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