/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 01:26:38,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 01:26:38,947 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-26 01:26:38,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 01:26:38,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 01:26:38,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-26 01:26:38,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 01:26:38,988 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 01:26:38,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 01:26:38,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 01:26:38,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 01:26:38,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 01:26:38,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 01:26:38,992 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 01:26:38,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 01:26:38,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 01:26:38,993 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 01:26:38,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 01:26:38,993 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 01:26:38,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 01:26:38,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 01:26:38,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 01:26:38,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 01:26:38,996 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 01:26:38,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 01:26:38,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 01:26:38,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 01:26:38,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 01:26:38,997 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 01:26:38,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 01:26:38,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 01:26:38,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 01:26:38,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 01:26:38,998 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-26 01:26:38,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-26 01:26:38,998 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 01:26:38,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 01:26:38,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 01:26:38,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 01:26:38,998 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 01:26:38,998 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-26 01:26:38,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 01:26:39,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 01:26:39,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 01:26:39,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 01:26:39,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 01:26:39,199 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 01:26:39,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2024-01-26 01:26:40,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 01:26:40,806 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 01:26:40,807 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2024-01-26 01:26:40,815 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/70ee86187/cb5a74ea376646b39de973b8e1f7f4d7/FLAGbf6d3fcc0 [2024-01-26 01:26:40,834 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/70ee86187/cb5a74ea376646b39de973b8e1f7f4d7 [2024-01-26 01:26:40,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 01:26:40,837 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 01:26:40,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 01:26:40,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 01:26:40,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 01:26:40,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 01:26:40" (1/1) ... [2024-01-26 01:26:40,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2e2a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:26:40, skipping insertion in model container [2024-01-26 01:26:40,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 01:26:40" (1/1) ... [2024-01-26 01:26:40,862 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 01:26:41,002 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c[2147,2160] [2024-01-26 01:26:41,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 01:26:41,013 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 01:26:41,031 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c[2147,2160] [2024-01-26 01:26:41,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 01:26:41,045 INFO L206 MainTranslator]: Completed translation [2024-01-26 01:26:41,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:26:41 WrapperNode [2024-01-26 01:26:41,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 01:26:41,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 01:26:41,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 01:26:41,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 01:26:41,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:26:41" (1/1) ... [2024-01-26 01:26:41,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:26:41" (1/1) ... [2024-01-26 01:26:41,078 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2024-01-26 01:26:41,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 01:26:41,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 01:26:41,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 01:26:41,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 01:26:41,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:26:41" (1/1) ... [2024-01-26 01:26:41,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:26:41" (1/1) ... [2024-01-26 01:26:41,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:26:41" (1/1) ... [2024-01-26 01:26:41,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:26:41" (1/1) ... [2024-01-26 01:26:41,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:26:41" (1/1) ... [2024-01-26 01:26:41,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:26:41" (1/1) ... [2024-01-26 01:26:41,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:26:41" (1/1) ... [2024-01-26 01:26:41,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:26:41" (1/1) ... [2024-01-26 01:26:41,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 01:26:41,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 01:26:41,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 01:26:41,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 01:26:41,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:26:41" (1/1) ... [2024-01-26 01:26:41,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 01:26:41,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:26:41,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-01-26 01:26:41,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-01-26 01:26:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 01:26:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 01:26:41,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 01:26:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 01:26:41,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 01:26:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 01:26:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 01:26:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 01:26:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 01:26:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 01:26:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 01:26:41,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 01:26:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 01:26:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 01:26:41,165 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 01:26:41,224 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 01:26:41,225 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 01:26:41,365 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 01:26:41,386 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 01:26:41,386 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-01-26 01:26:41,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 01:26:41 BoogieIcfgContainer [2024-01-26 01:26:41,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 01:26:41,388 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 01:26:41,388 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 01:26:41,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 01:26:41,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 01:26:40" (1/3) ... [2024-01-26 01:26:41,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef347c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 01:26:41, skipping insertion in model container [2024-01-26 01:26:41,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:26:41" (2/3) ... [2024-01-26 01:26:41,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef347c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 01:26:41, skipping insertion in model container [2024-01-26 01:26:41,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 01:26:41" (3/3) ... [2024-01-26 01:26:41,392 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure3.wvr.c [2024-01-26 01:26:41,398 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 01:26:41,405 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 01:26:41,406 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 01:26:41,406 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 01:26:41,455 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-26 01:26:41,481 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 01:26:41,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 01:26:41,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:26:41,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-01-26 01:26:41,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-01-26 01:26:41,551 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 01:26:41,557 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 01:26:41,563 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;@605792c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 01:26:41,563 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-26 01:26:41,684 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:26:41,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:26:41,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1797507691, now seen corresponding path program 1 times [2024-01-26 01:26:41,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:26:41,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389396584] [2024-01-26 01:26:41,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:26:41,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:26:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:26:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-26 01:26:41,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:26:41,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389396584] [2024-01-26 01:26:41,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389396584] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:26:41,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:26:41,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 01:26:41,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161009446] [2024-01-26 01:26:41,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:26:41,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 01:26:41,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:26:41,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 01:26:41,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 01:26:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:26:41,898 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:26:41,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 01:26:41,899 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 Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:26:41,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:26:41,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 01:26:41,962 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:26:41,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:26:41,963 INFO L85 PathProgramCache]: Analyzing trace with hash -564754029, now seen corresponding path program 1 times [2024-01-26 01:26:41,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:26:41,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292520098] [2024-01-26 01:26:41,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:26:41,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:26:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:26:42,502 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:26:42,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:26:42,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292520098] [2024-01-26 01:26:42,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292520098] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:26:42,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403821416] [2024-01-26 01:26:42,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:26:42,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:26:42,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:26:42,506 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 01:26:42,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-01-26 01:26:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:26:42,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 14 conjunts are in the unsatisfiable core [2024-01-26 01:26:42,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:26:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:26:42,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:26:42,942 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:26:42,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403821416] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 01:26:42,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 01:26:42,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-01-26 01:26:42,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169847112] [2024-01-26 01:26:42,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 01:26:42,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-01-26 01:26:42,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:26:42,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-01-26 01:26:42,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-01-26 01:26:42,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:26:42,946 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:26:42,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.625) internal successors, (106), 16 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 01:26:42,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:26:42,946 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 Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:26:43,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:26:43,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-01-26 01:26:43,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-01-26 01:26:43,870 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,SelfDestructingSolverStorable1 [2024-01-26 01:26:43,870 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:26:43,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:26:43,871 INFO L85 PathProgramCache]: Analyzing trace with hash 910194973, now seen corresponding path program 2 times [2024-01-26 01:26:43,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:26:43,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740239686] [2024-01-26 01:26:43,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:26:43,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:26:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:26:44,255 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:26:44,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:26:44,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740239686] [2024-01-26 01:26:44,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740239686] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:26:44,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759420943] [2024-01-26 01:26:44,255 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 01:26:44,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:26:44,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:26:44,274 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 01:26:44,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-01-26 01:26:44,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 01:26:44,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 01:26:44,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 22 conjunts are in the unsatisfiable core [2024-01-26 01:26:44,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:26:44,518 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:26:44,518 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:26:44,792 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:26:44,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759420943] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 01:26:44,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 01:26:44,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 13] total 32 [2024-01-26 01:26:44,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579090220] [2024-01-26 01:26:44,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 01:26:44,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-01-26 01:26:44,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:26:44,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-01-26 01:26:44,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=872, Unknown=0, NotChecked=0, Total=992 [2024-01-26 01:26:44,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:26:44,795 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:26:44,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.90625) internal successors, (157), 32 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 01:26:44,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:26:44,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-01-26 01:26:44,795 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 Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:26:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:26:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-01-26 01:26:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-01-26 01:26:45,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-01-26 01:26:45,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:26:45,585 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:26:45,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:26:45,585 INFO L85 PathProgramCache]: Analyzing trace with hash -333959845, now seen corresponding path program 3 times [2024-01-26 01:26:45,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:26:45,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017137802] [2024-01-26 01:26:45,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:26:45,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:26:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:26:46,157 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:26:46,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:26:46,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017137802] [2024-01-26 01:26:46,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017137802] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:26:46,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305318275] [2024-01-26 01:26:46,158 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 01:26:46,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:26:46,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:26:46,177 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 01:26:46,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-01-26 01:26:46,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-01-26 01:26:46,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 01:26:46,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 29 conjunts are in the unsatisfiable core [2024-01-26 01:26:46,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:26:46,827 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 44 proven. 48 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-01-26 01:26:46,827 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:26:47,397 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 59 proven. 33 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-01-26 01:26:47,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305318275] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 01:26:47,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 01:26:47,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 17, 17] total 51 [2024-01-26 01:26:47,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211678511] [2024-01-26 01:26:47,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 01:26:47,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-01-26 01:26:47,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:26:47,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-01-26 01:26:47,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=326, Invalid=2224, Unknown=0, NotChecked=0, Total=2550 [2024-01-26 01:26:47,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:26:47,400 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:26:47,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 3.7450980392156863) internal successors, (191), 51 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 01:26:47,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:26:47,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-01-26 01:26:47,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-01-26 01:26:47,400 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 Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:27:07,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:27:07,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-01-26 01:27:07,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-01-26 01:27:07,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-01-26 01:27:07,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-01-26 01:27:07,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:27:07,336 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:27:07,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:27:07,337 INFO L85 PathProgramCache]: Analyzing trace with hash -48970339, now seen corresponding path program 4 times [2024-01-26 01:27:07,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:27:07,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603956499] [2024-01-26 01:27:07,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:27:07,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:27:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:27:08,214 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 229 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:27:08,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:27:08,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603956499] [2024-01-26 01:27:08,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603956499] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:27:08,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747850756] [2024-01-26 01:27:08,215 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 01:27:08,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:27:08,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:27:08,217 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) [2024-01-26 01:27:08,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-01-26 01:27:08,312 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 01:27:08,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 01:27:08,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 54 conjunts are in the unsatisfiable core [2024-01-26 01:27:08,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:27:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 5 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:27:08,884 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:27:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 229 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:27:10,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747850756] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 01:27:10,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 01:27:10,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 29, 29] total 72 [2024-01-26 01:27:10,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693522770] [2024-01-26 01:27:10,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 01:27:10,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-01-26 01:27:10,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:27:10,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-01-26 01:27:10,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=4748, Unknown=0, NotChecked=0, Total=5112 [2024-01-26 01:27:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:27:10,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:27:10,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 3.5694444444444446) internal successors, (257), 72 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 01:27:10,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:27:10,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-01-26 01:27:10,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-01-26 01:27:10,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-01-26 01:27:10,119 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 Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:27:19,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:27:19,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-01-26 01:27:19,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-01-26 01:27:19,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-01-26 01:27:19,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 01:27:19,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-01-26 01:27:19,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:27:19,622 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:27:19,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:27:19,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1871143899, now seen corresponding path program 5 times [2024-01-26 01:27:19,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:27:19,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760757314] [2024-01-26 01:27:19,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:27:19,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:27:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:27:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 581 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:27:21,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:27:21,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760757314] [2024-01-26 01:27:21,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760757314] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:27:21,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709175688] [2024-01-26 01:27:21,075 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-01-26 01:27:21,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:27:21,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:27:21,078 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 01:27:21,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-01-26 01:27:57,376 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-01-26 01:27:57,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 01:27:57,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 62 conjunts are in the unsatisfiable core [2024-01-26 01:27:57,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:27:58,065 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-01-26 01:27:58,065 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:27:59,400 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-01-26 01:27:59,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709175688] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 01:27:59,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 01:27:59,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 33, 33] total 92 [2024-01-26 01:27:59,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704412296] [2024-01-26 01:27:59,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 01:27:59,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-01-26 01:27:59,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:27:59,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-01-26 01:27:59,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=568, Invalid=7804, Unknown=0, NotChecked=0, Total=8372 [2024-01-26 01:27:59,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:27:59,404 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:27:59,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 3.1739130434782608) internal successors, (292), 92 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 01:27:59,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:27:59,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-01-26 01:27:59,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-01-26 01:27:59,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-01-26 01:27:59,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 01:27:59,405 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 Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:28:57,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:28:57,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-01-26 01:28:57,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-01-26 01:28:57,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-01-26 01:28:57,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 01:28:57,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-01-26 01:28:57,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-01-26 01:28:57,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:28:57,867 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:28:57,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:28:57,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1969202263, now seen corresponding path program 6 times [2024-01-26 01:28:57,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:28:57,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247643414] [2024-01-26 01:28:57,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:28:57,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:28:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:29:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:29:01,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:29:01,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247643414] [2024-01-26 01:29:01,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247643414] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:29:01,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067434126] [2024-01-26 01:29:01,119 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-01-26 01:29:01,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:29:01,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:29:01,120 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 01:29:01,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-01-26 01:33:12,644 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 22 check-sat command(s) [2024-01-26 01:33:12,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 01:33:12,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 118 conjunts are in the unsatisfiable core [2024-01-26 01:33:12,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:33:14,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1435 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-01-26 01:33:14,325 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:33:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1435 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-01-26 01:33:18,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067434126] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 01:33:18,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 01:33:18,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 61, 61] total 162 [2024-01-26 01:33:18,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776989070] [2024-01-26 01:33:18,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 01:33:18,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 162 states [2024-01-26 01:33:18,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:33:18,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2024-01-26 01:33:18,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1415, Invalid=24667, Unknown=0, NotChecked=0, Total=26082 [2024-01-26 01:33:18,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:33:18,058 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:33:18,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 162 states, 162 states have (on average 2.882716049382716) internal successors, (467), 162 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 01:33:18,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:33:18,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-01-26 01:33:18,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-01-26 01:33:18,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-01-26 01:33:18,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 01:33:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-01-26 01:33:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer [2024-01-26 01:35:32,251 WARN L293 SmtUtils]: Spent 6.49s on a formula simplification. DAG size of input: 107 DAG size of output: 24 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-01-26 01:41:19,732 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 01:41:19,758 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 01:41:19,758 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 01:41:20,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-01-26 01:41:20,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-01-26 01:41:20,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-26 01:41:20,905 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2024-01-26 01:41:20,907 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 01:41:20,910 INFO L445 BasicCegarLoop]: Path program histogram: [6, 1] [2024-01-26 01:41:20,913 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-01-26 01:41:20,914 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 01:41:20,915 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 01:41:20,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 01:41:20 BasicIcfg [2024-01-26 01:41:20,916 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 01:41:20,917 INFO L158 Benchmark]: Toolchain (without parser) took 880079.61ms. Allocated memory was 260.0MB in the beginning and 375.4MB in the end (delta: 115.3MB). Free memory was 199.1MB in the beginning and 143.3MB in the end (delta: 55.8MB). Peak memory consumption was 172.6MB. Max. memory is 8.0GB. [2024-01-26 01:41:20,917 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 01:41:20,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.18ms. Allocated memory is still 260.0MB. Free memory was 199.1MB in the beginning and 187.6MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-01-26 01:41:20,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.73ms. Allocated memory is still 260.0MB. Free memory was 187.6MB in the beginning and 185.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 01:41:20,918 INFO L158 Benchmark]: Boogie Preprocessor took 37.76ms. Allocated memory is still 260.0MB. Free memory was 185.9MB in the beginning and 184.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-01-26 01:41:20,919 INFO L158 Benchmark]: RCFGBuilder took 268.73ms. Allocated memory is still 260.0MB. Free memory was 184.4MB in the beginning and 170.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-01-26 01:41:20,919 INFO L158 Benchmark]: TraceAbstraction took 879528.11ms. Allocated memory was 260.0MB in the beginning and 375.4MB in the end (delta: 115.3MB). Free memory was 169.7MB in the beginning and 143.3MB in the end (delta: 26.4MB). Peak memory consumption was 143.3MB. Max. memory is 8.0GB. [2024-01-26 01:41:20,921 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2024-01-26 01:41:20,933 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 Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 207.18ms. Allocated memory is still 260.0MB. Free memory was 199.1MB in the beginning and 187.6MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.73ms. Allocated memory is still 260.0MB. Free memory was 187.6MB in the beginning and 185.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.76ms. Allocated memory is still 260.0MB. Free memory was 185.9MB in the beginning and 184.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 268.73ms. Allocated memory is still 260.0MB. Free memory was 184.4MB in the beginning and 170.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 879528.11ms. Allocated memory was 260.0MB in the beginning and 375.4MB in the end (delta: 115.3MB). Free memory was 169.7MB in the beginning and 143.3MB in the end (delta: 26.4MB). Peak memory consumption was 143.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 223, independent: 182, independent conditional: 182, independent unconditional: 0, dependent: 41, dependent conditional: 41, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 186, independent: 182, independent conditional: 182, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 186, independent: 182, independent conditional: 182, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 193, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 193, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 193, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 186, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 186, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 193, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 186, unknown conditional: 0, unknown unconditional: 186] , Statistics on independence cache: Total cache size (in pairs): 186, Positive cache size: 182, Positive conditional cache size: 0, Positive unconditional cache size: 182, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 4, Independence queries for same thread: 37 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 19, RedundantProofs: 6, ProvenStates: 52, Times there's more than one choice: 37, Avg number of choices: 2.8076923076923075 - StatisticsResult: Reduction benchmarks 0.1s Time before loop, 58.1s Time in loop, 58.3s Time in total, Has Loop: true, Protected Variables: [write~init~int_#value, ULTIMATE.start_main_#t~mem9#1, write~int_#ptr.base, thread2_#res#1.base, ULTIMATE.start_main_#t~mem10#1, thread2Thread1of1ForFork1_~_argptr#1.base, thread1_~i~0, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~nondet8#1, thread2Thread1of1ForFork1_#res#1.offset, thread2_~_argptr#1.base, read~int_#ptr.base, thread1Thread1of1ForFork0_~i~0, ULTIMATE.start_#t~ret11#1, thread1_#res.offset, thread2_#res#1.offset, ULTIMATE.start_main_~#t2~0#1.offset, #Ultimate.allocOnStack_~size, thread1Thread1of1ForFork0_#res.offset, thread1_~_argptr.offset, thread2Thread1of1ForFork1_#t~post2#1, read~int_#sizeOfReadType, write~init~int_#sizeOfWrittenType, thread1_#in~_argptr.base, thread2Thread1of1ForFork1_~_argptr#1.offset, ULTIMATE.start_main_~#t1~0#1.offset, thread1Thread1of1ForFork0_~_argptr.offset, thread2_#t~post2#1, #Ultimate.allocOnStack_#res.offset, thread2Thread1of1ForFork1_#in~_argptr#1.offset, ULTIMATE.dealloc_~addr.offset, thread1Thread1of1ForFork0_#in~_argptr.base, thread2_~_argptr#1.offset, write~int_#value, write~init~int_#ptr.offset, thread1_~_argptr.base, ULTIMATE.dealloc_~addr.base, ULTIMATE.start_assume_abort_if_not_~cond#1, #pthreadsForks, old(#pthreadsForks), thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1, thread2_#in~_argptr#1.offset, ~N~0, old(~N~0), ~c~0, old(~c~0), thread2Thread1of1ForFork1_#in~_argptr#1.base, thread1Thread1of1ForFork0_~_argptr.base, #valid, old(#valid), ~counter~0, old(~counter~0), read~int_#value, #Ultimate.allocInit_~size, thread2_assume_abort_if_not_~cond#1, write~init~int_#ptr.base, thread2Thread1of1ForFork1_thidvar0, old(thread2Thread1of1ForFork1_thidvar0), thread2Thread1of1ForFork1_thidvar1, old(thread2Thread1of1ForFork1_thidvar1), thread2Thread1of1ForFork1_thidvar2, old(thread2Thread1of1ForFork1_thidvar2), thread2_#in~_argptr#1.base, thread1_#res.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #Ultimate.allocInit_ptrBase, ULTIMATE.start_main_~#t1~0#1.base, #length, old(#length), ULTIMATE.start_main_~#t2~0#1.base, write~int_#sizeOfWrittenType, thread1_#in~_argptr.offset, thread2Thread1of1ForFork1_~i~1#1, #StackHeapBarrier, old(#StackHeapBarrier), thread1Thread1of1ForFork0_#res.base, thread2_assume_abort_if_not_#in~cond#1, thread1_#t~post1, thread1Thread1of1ForFork0_#in~_argptr.offset, thread1Thread1of1ForFork0_thidvar0, old(thread1Thread1of1ForFork0_thidvar0), thread1Thread1of1ForFork0_thidvar1, old(thread1Thread1of1ForFork0_thidvar1), thread2_~i~1#1, write~int_#ptr.offset, ULTIMATE.start_main_#t~pre5#1, ULTIMATE.start_main_#t~pre7#1, #memory_int, old(#memory_int), thread1Thread1of1ForFork0_#t~post1, #Ultimate.allocOnStack_#res.base, thread2Thread1of1ForFork1_#res#1.base, read~int_#ptr.offset], Protected Variables before encountering a loop: [] - TimeoutResultAtElement [Line: 76]: 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, 108 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 879.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 571.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 435, 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, 288.5s SatisfiabilityAnalysisTime, 17.7s InterpolantComputationTime, 1698 NumberOfCodeBlocks, 1693 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2491 ConstructedInterpolants, 0 QuantifiedInterpolants, 12056 SizeOfPredicates, 147 NumberOfNonLiveVariables, 1653 ConjunctsInSsa, 299 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 549/7496 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