/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 04:34:56,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 04:34:56,911 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-03 04:34:56,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 04:34:56,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 04:34:56,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-03 04:34:56,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 04:34:56,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 04:34:56,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 04:34:56,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 04:34:56,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 04:34:56,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 04:34:56,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 04:34:56,944 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 04:34:56,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 04:34:56,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 04:34:56,945 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 04:34:56,945 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 04:34:56,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 04:34:56,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 04:34:56,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 04:34:56,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 04:34:56,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 04:34:56,947 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 04:34:56,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 04:34:56,947 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 04:34:56,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 04:34:56,948 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 04:34:56,948 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 04:34:56,948 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 04:34:56,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 04:34:56,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 04:34:56,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 04:34:56,949 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-03 04:34:56,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 04:34:56,950 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 04:34:56,950 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-03 04:34:56,950 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-03 04:34:56,950 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 04:34:56,950 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 04:34:56,950 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 04:34:56,950 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 04:34:57,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 04:34:57,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 04:34:57,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 04:34:57,137 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 04:34:57,137 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 04:34:57,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c [2024-05-03 04:34:58,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 04:34:58,433 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 04:34:58,433 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c [2024-05-03 04:34:58,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f2bbb958a/ae4d02233c2040eb927338babbac3b62/FLAG1ea5601de [2024-05-03 04:34:58,456 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f2bbb958a/ae4d02233c2040eb927338babbac3b62 [2024-05-03 04:34:58,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 04:34:58,460 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 04:34:58,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 04:34:58,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 04:34:58,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 04:34:58,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 04:34:58" (1/1) ... [2024-05-03 04:34:58,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566d9aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:34:58, skipping insertion in model container [2024-05-03 04:34:58,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 04:34:58" (1/1) ... [2024-05-03 04:34:58,483 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 04:34:58,630 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/mult-comm.wvr.c[1910,1923] [2024-05-03 04:34:58,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 04:34:58,641 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 04:34:58,660 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/mult-comm.wvr.c[1910,1923] [2024-05-03 04:34:58,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 04:34:58,676 INFO L206 MainTranslator]: Completed translation [2024-05-03 04:34:58,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:34:58 WrapperNode [2024-05-03 04:34:58,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 04:34:58,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 04:34:58,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 04:34:58,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 04:34:58,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:34:58" (1/1) ... [2024-05-03 04:34:58,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:34:58" (1/1) ... [2024-05-03 04:34:58,748 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-05-03 04:34:58,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 04:34:58,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 04:34:58,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 04:34:58,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 04:34:58,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:34:58" (1/1) ... [2024-05-03 04:34:58,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:34:58" (1/1) ... [2024-05-03 04:34:58,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:34:58" (1/1) ... [2024-05-03 04:34:58,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:34:58" (1/1) ... [2024-05-03 04:34:58,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:34:58" (1/1) ... [2024-05-03 04:34:58,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:34:58" (1/1) ... [2024-05-03 04:34:58,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:34:58" (1/1) ... [2024-05-03 04:34:58,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:34:58" (1/1) ... [2024-05-03 04:34:58,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 04:34:58,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 04:34:58,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 04:34:58,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 04:34:58,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:34:58" (1/1) ... [2024-05-03 04:34:58,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 04:34:58,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:34:58,806 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) [2024-05-03 04:34:58,822 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 [2024-05-03 04:34:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 04:34:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 04:34:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 04:34:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 04:34:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 04:34:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 04:34:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 04:34:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 04:34:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 04:34:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 04:34:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 04:34:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 04:34:58,848 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 04:34:58,909 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 04:34:58,911 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 04:34:59,044 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 04:34:59,058 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 04:34:59,058 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-03 04:34:59,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 04:34:59 BoogieIcfgContainer [2024-05-03 04:34:59,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 04:34:59,060 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 04:34:59,060 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 04:34:59,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 04:34:59,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 04:34:58" (1/3) ... [2024-05-03 04:34:59,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e37287e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 04:34:59, skipping insertion in model container [2024-05-03 04:34:59,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:34:58" (2/3) ... [2024-05-03 04:34:59,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e37287e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 04:34:59, skipping insertion in model container [2024-05-03 04:34:59,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 04:34:59" (3/3) ... [2024-05-03 04:34:59,065 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2024-05-03 04:34:59,072 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 04:34:59,079 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 04:34:59,079 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 04:34:59,079 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 04:34:59,147 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-03 04:34:59,215 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 04:34:59,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 04:34:59,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:34:59,219 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) [2024-05-03 04:34:59,220 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 [2024-05-03 04:34:59,271 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 04:34:59,282 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 04:34:59,290 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;@de34a85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 04:34:59,290 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 04:34:59,297 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:34:59,385 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:59,385 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:59,386 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:59,416 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:59,416 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:59,417 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:59,438 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:59,438 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:59,438 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:59,463 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:59,463 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:59,463 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:59,472 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 120 states. [2024-05-03 04:34:59,473 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:34:59,475 INFO L78 Accepts]: Start accepts. Automaton has currently 129 states, but on-demand construction may add more states Word has length 56 [2024-05-03 04:34:59,477 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:34:59,478 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:34:59,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:34:59,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1391676768, now seen corresponding path program 1 times [2024-05-03 04:34:59,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:34:59,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787421367] [2024-05-03 04:34:59,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:59,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:34:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:59,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:34:59,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:34:59,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787421367] [2024-05-03 04:34:59,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787421367] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 04:34:59,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 04:34:59,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 04:34:59,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16447753] [2024-05-03 04:34:59,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 04:34:59,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-03 04:34:59,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:34:59,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-03 04:34:59,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-03 04:34:59,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:59,739 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:34:59,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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) [2024-05-03 04:34:59,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:59,742 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:34:59,775 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:59,775 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:59,775 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:59,794 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:59,794 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:59,794 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:59,804 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:59,804 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:59,804 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:59,811 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:59,811 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:59,811 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:59,830 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 127 states. [2024-05-03 04:34:59,830 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:34:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:59,830 INFO L78 Accepts]: Start accepts. Automaton has currently 136 states, but on-demand construction may add more states Word has length 55 [2024-05-03 04:34:59,832 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:34:59,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 04:34:59,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:34:59,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:34:59,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1846040423, now seen corresponding path program 1 times [2024-05-03 04:34:59,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:34:59,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775688075] [2024-05-03 04:34:59,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:59,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:34:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:00,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:00,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:35:00,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775688075] [2024-05-03 04:35:00,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775688075] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 04:35:00,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 04:35:00,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 04:35:00,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769926799] [2024-05-03 04:35:00,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 04:35:00,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 04:35:00,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:35:00,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 04:35:00,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-03 04:35:00,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:00,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:35:00,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2024-05-03 04:35:00,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:00,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:00,292 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:35:00,327 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:00,327 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:00,327 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:00,354 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 105 states. [2024-05-03 04:35:00,355 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:35:00,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:00,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 04:35:00,355 INFO L78 Accepts]: Start accepts. Automaton has currently 114 states, but on-demand construction may add more states Word has length 60 [2024-05-03 04:35:00,356 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:35:00,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 04:35:00,357 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:35:00,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:35:00,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1754353614, now seen corresponding path program 1 times [2024-05-03 04:35:00,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:35:00,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116931395] [2024-05-03 04:35:00,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:00,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:35:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:00,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:35:00,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116931395] [2024-05-03 04:35:00,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116931395] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:35:00,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231757796] [2024-05-03 04:35:00,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:00,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:35:00,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:35:00,766 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) [2024-05-03 04:35:00,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-03 04:35:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:00,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 17 conjunts are in the unsatisfiable core [2024-05-03 04:35:00,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:35:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:01,097 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:35:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:01,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231757796] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:35:01,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:35:01,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 17 [2024-05-03 04:35:01,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901463351] [2024-05-03 04:35:01,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:35:01,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-03 04:35:01,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:35:01,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-03 04:35:01,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-05-03 04:35:01,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:01,294 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:35:01,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.235294117647059) internal successors, (123), 17 states have internal predecessors, (123), 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) [2024-05-03 04:35:01,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:01,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 04:35:01,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:01,295 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:35:01,379 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:01,379 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:01,379 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:01,419 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 123 states. [2024-05-03 04:35:01,419 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:35:01,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:01,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 04:35:01,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:35:01,420 INFO L78 Accepts]: Start accepts. Automaton has currently 138 states, but on-demand construction may add more states Word has length 70 [2024-05-03 04:35:01,420 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:35:01,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-03 04:35:01,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-03 04:35:01,626 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:35:01,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:35:01,627 INFO L85 PathProgramCache]: Analyzing trace with hash 85406139, now seen corresponding path program 1 times [2024-05-03 04:35:01,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:35:01,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34837068] [2024-05-03 04:35:01,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:01,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:35:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:02,771 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:02,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:35:02,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34837068] [2024-05-03 04:35:02,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34837068] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:35:02,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792708912] [2024-05-03 04:35:02,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:02,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:35:02,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:35:02,774 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 04:35:02,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-03 04:35:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:03,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 37 conjunts are in the unsatisfiable core [2024-05-03 04:35:03,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:35:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:03,673 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:35:06,303 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:06,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792708912] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:35:06,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:35:06,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 44 [2024-05-03 04:35:06,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944133643] [2024-05-03 04:35:06,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:35:06,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-05-03 04:35:06,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:35:06,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-05-03 04:35:06,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1696, Unknown=0, NotChecked=0, Total=1892 [2024-05-03 04:35:06,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:06,306 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:35:06,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.1363636363636362) internal successors, (138), 44 states have internal predecessors, (138), 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) [2024-05-03 04:35:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 04:35:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:35:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:06,307 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:35:10,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:35:26,575 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,575 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:26,575 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:28,099 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:28,099 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:28,099 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:39,521 WARN L293 SmtUtils]: Spent 7.07s on a formula simplification. DAG size of input: 79 DAG size of output: 74 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 04:35:41,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:35:42,841 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:42,842 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:42,842 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:44,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:35:47,514 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 176 states. [2024-05-03 04:35:47,514 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:35:47,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:47,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 04:35:47,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:35:47,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-05-03 04:35:47,515 INFO L78 Accepts]: Start accepts. Automaton has currently 199 states, but on-demand construction may add more states Word has length 80 [2024-05-03 04:35:47,515 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:35:47,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-03 04:35:47,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:35:47,716 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:35:47,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:35:47,717 INFO L85 PathProgramCache]: Analyzing trace with hash 650259474, now seen corresponding path program 2 times [2024-05-03 04:35:47,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:35:47,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376018469] [2024-05-03 04:35:47,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:47,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:35:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:49,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:35:49,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376018469] [2024-05-03 04:35:49,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376018469] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:35:49,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496602145] [2024-05-03 04:35:49,323 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 04:35:49,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:35:49,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:35:49,325 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 04:35:49,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-03 04:35:50,819 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 04:35:50,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:35:50,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 48 conjunts are in the unsatisfiable core [2024-05-03 04:35:50,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:35:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:53,514 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:36:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:36:02,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496602145] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:36:02,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:36:02,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 27] total 62 [2024-05-03 04:36:02,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781288237] [2024-05-03 04:36:02,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:36:02,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-05-03 04:36:02,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:36:02,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-05-03 04:36:02,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=3514, Unknown=0, NotChecked=0, Total=3782 [2024-05-03 04:36:02,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:02,453 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:36:02,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 2.7419354838709675) internal successors, (170), 62 states have internal predecessors, (170), 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) [2024-05-03 04:36:02,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:02,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 04:36:02,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:36:02,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-05-03 04:36:02,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:02,454 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:36:04,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 04:36:12,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:38:24,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 04:38:26,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 04:38:58,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 04:39:00,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 04:39:02,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 04:39:47,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 04:39:49,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 04:39:51,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 04:39:53,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 04:40:14,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 04:40:16,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 04:40:18,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 04:40:55,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 04:40:57,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 04:41:07,727 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 169 states. [2024-05-03 04:41:07,727 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:41:07,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:41:07,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 04:41:07,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:41:07,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-05-03 04:41:07,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:41:07,728 INFO L78 Accepts]: Start accepts. Automaton has currently 170 states, but on-demand construction may add more states Word has length 100 [2024-05-03 04:41:07,728 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:41:07,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-03 04:41:07,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:41:07,929 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:41:07,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:41:07,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1478250926, now seen corresponding path program 3 times [2024-05-03 04:41:07,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:41:07,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869061851] [2024-05-03 04:41:07,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:41:07,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:41:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:41:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:41:10,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:41:10,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869061851] [2024-05-03 04:41:10,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869061851] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:41:10,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554186401] [2024-05-03 04:41:10,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 04:41:10,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:41:10,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:41:10,194 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 04:41:10,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-03 04:41:11,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-05-03 04:41:11,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:41:11,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 76 conjunts are in the unsatisfiable core [2024-05-03 04:41:11,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:41:22,146 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:41:22,146 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:42:56,694 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:42:56,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554186401] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:42:56,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:42:56,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 42, 42] total 108 [2024-05-03 04:42:56,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46841774] [2024-05-03 04:42:56,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:42:56,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-05-03 04:42:56,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:42:56,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-05-03 04:42:56,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=655, Invalid=10890, Unknown=11, NotChecked=0, Total=11556 [2024-05-03 04:42:56,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:42:56,699 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:42:56,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 2.2222222222222223) internal successors, (240), 108 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 04:42:56,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:42:56,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 04:42:56,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:42:56,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-05-03 04:42:56,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:42:56,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:42:56,700 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:43:14,605 WARN L293 SmtUtils]: Spent 17.42s on a formula simplification. DAG size of input: 186 DAG size of output: 71 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 04:43:22,131 WARN L293 SmtUtils]: Spent 7.19s on a formula simplification. DAG size of input: 194 DAG size of output: 86 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 04:44:04,652 WARN L293 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 146 DAG size of output: 69 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 04:44:26,791 WARN L293 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 146 DAG size of output: 69 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 04:44:34,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:44:53,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:45:04,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:45:05,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:45:17,024 WARN L293 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 146 DAG size of output: 71 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 04:45:20,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:45:22,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:46:00,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:46:03,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:46:05,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:46:21,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:46:25,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:46:47,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:47:02,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:47:04,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:47:06,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:47:56,119 WARN L293 SmtUtils]: Spent 8.08s on a formula simplification. DAG size of input: 74 DAG size of output: 55 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 04:48:05,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-05-03 04:49:38,796 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 [2024-05-03 04:49:38,796 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 04:49:38,835 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 [2024-05-03 04:49:39,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-03 04:49:39,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-03 04:49:39,997 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-05-03 04:49:40,022 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 130 states. [2024-05-03 04:49:40,022 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:49:40,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-03 04:49:40,022 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2024-05-03 04:49:40,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2024-05-03 04:49:40,028 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 04:49:40,032 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2024-05-03 04:49:40,033 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-05-03 04:49:40,034 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 04:49:40,034 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 04:49:40,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 04:49:40 BasicIcfg [2024-05-03 04:49:40,036 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 04:49:40,036 INFO L158 Benchmark]: Toolchain (without parser) took 881576.40ms. Allocated memory was 196.1MB in the beginning and 397.4MB in the end (delta: 201.3MB). Free memory was 130.6MB in the beginning and 295.3MB in the end (delta: -164.7MB). Peak memory consumption was 37.4MB. Max. memory is 8.0GB. [2024-05-03 04:49:40,036 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 04:49:40,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.54ms. Allocated memory is still 196.1MB. Free memory was 130.4MB in the beginning and 119.1MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-03 04:49:40,052 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.94ms. Allocated memory is still 196.1MB. Free memory was 119.1MB in the beginning and 171.5MB in the end (delta: -52.4MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. [2024-05-03 04:49:40,052 INFO L158 Benchmark]: Boogie Preprocessor took 27.76ms. Allocated memory is still 196.1MB. Free memory was 171.5MB in the beginning and 170.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 04:49:40,053 INFO L158 Benchmark]: RCFGBuilder took 281.32ms. Allocated memory is still 196.1MB. Free memory was 170.5MB in the beginning and 157.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-03 04:49:40,053 INFO L158 Benchmark]: TraceAbstraction took 880975.37ms. Allocated memory was 196.1MB in the beginning and 397.4MB in the end (delta: 201.3MB). Free memory was 156.3MB in the beginning and 295.3MB in the end (delta: -139.0MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2024-05-03 04:49:40,054 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 214.54ms. Allocated memory is still 196.1MB. Free memory was 130.4MB in the beginning and 119.1MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 70.94ms. Allocated memory is still 196.1MB. Free memory was 119.1MB in the beginning and 171.5MB in the end (delta: -52.4MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.76ms. Allocated memory is still 196.1MB. Free memory was 171.5MB in the beginning and 170.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 281.32ms. Allocated memory is still 196.1MB. Free memory was 170.5MB in the beginning and 157.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 880975.37ms. Allocated memory was 196.1MB in the beginning and 397.4MB in the end (delta: 201.3MB). Free memory was 156.3MB in the beginning and 295.3MB in the end (delta: -139.0MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 174, independent: 140, independent conditional: 140, independent unconditional: 0, dependent: 34, dependent conditional: 34, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 140, independent conditional: 140, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 140, independent: 140, independent conditional: 140, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 140, independent conditional: 0, independent unconditional: 140, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 140, independent: 140, independent conditional: 0, independent unconditional: 140, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 140, independent: 140, independent conditional: 0, independent unconditional: 140, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 140, independent: 140, independent conditional: 0, independent unconditional: 140, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 140, independent: 140, independent conditional: 0, independent unconditional: 140, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 140, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 140, unknown conditional: 0, unknown unconditional: 140] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 140, Positive conditional cache size: 0, Positive unconditional cache size: 140, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 34 - StatisticsResult: Reduction benchmarks 24.9ms Time before loop, 150.6ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 6, Reduction States: 120, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 15.5ms Time before loop, 71.3ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 6, Reduction States: 127, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 22.4ms Time before loop, 39.8ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 105, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 53.8ms Time before loop, 70.2ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 123, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 17557.3ms Time before loop, 23649.7ms Time in loop, 41.2s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 5, Reduction States: 176, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 304350.7ms Time before loop, 922.2ms Time in loop, 305.3s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 2, Reduction States: 169, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 403321.5ms Time before loop, 0.0ms Time in loop, 403.3s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 130, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 101, Transitions: 110, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 101, Transitions: 111, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 76, Transitions: 80, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 87, Transitions: 92, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 131, Transitions: 142, Traversal time: 41.2s - StatisticsResult: Visitor Statistics States: 103, Transitions: 105, Traversal time: 305.3s - StatisticsResult: Visitor Statistics States: 71, Transitions: 71, Traversal time: 403.3s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 16, RedundantProofs: 6, ProvenStates: 18, Times there's more than one choice: 13, Avg number of choices: 2.8333333333333335 - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 880.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 750.3s, 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: 234, 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, 2.9s SatisfiabilityAnalysisTime, 126.5s InterpolantComputationTime, 731 NumberOfCodeBlocks, 731 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1027 ConstructedInterpolants, 11 QuantifiedInterpolants, 17880 SizeOfPredicates, 72 NumberOfNonLiveVariables, 672 ConjunctsInSsa, 178 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 0/459 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