/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/mult-flipped-dist.wvr.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m
[2024-01-26 00:47:48,240 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-01-26 00:47:48,306 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf
[2024-01-26 00:47:48,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-01-26 00:47:48,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-01-26 00:47:48,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-01-26 00:47:48,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-01-26 00:47:48,321 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-01-26 00:47:48,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-01-26 00:47:48,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-01-26 00:47:48,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-01-26 00:47:48,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-01-26 00:47:48,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-01-26 00:47:48,323 INFO L153 SettingsManager]: * Use SBE=true
[2024-01-26 00:47:48,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-01-26 00:47:48,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-01-26 00:47:48,324 INFO L153 SettingsManager]: * sizeof long=4
[2024-01-26 00:47:48,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-01-26 00:47:48,324 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-01-26 00:47:48,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-01-26 00:47:48,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-01-26 00:47:48,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-01-26 00:47:48,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-01-26 00:47:48,325 INFO L153 SettingsManager]: * sizeof long double=12
[2024-01-26 00:47:48,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-01-26 00:47:48,326 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-01-26 00:47:48,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-01-26 00:47:48,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-01-26 00:47:48,326 INFO L153 SettingsManager]: * To the following directory=./dump/
[2024-01-26 00:47:48,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-01-26 00:47:48,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-01-26 00:47:48,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-01-26 00:47:48,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-01-26 00:47:48,327 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL
[2024-01-26 00:47:48,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2024-01-26 00:47:48,327 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-01-26 00:47:48,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-01-26 00:47:48,328 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-01-26 00:47:48,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-01-26 00:47:48,328 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-01-26 00:47:48,328 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS
[2024-01-26 00:47:48,340 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
[2024-01-26 00:47:48,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-01-26 00:47:48,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-01-26 00:47:48,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-01-26 00:47:48,493 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-01-26 00:47:48,493 INFO L274 PluginConnector]: CDTParser initialized
[2024-01-26 00:47:48,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c
[2024-01-26 00:47:49,661 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-01-26 00:47:49,831 INFO L384 CDTParser]: Found 1 translation units.
[2024-01-26 00:47:49,832 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c
[2024-01-26 00:47:49,837 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/91422fe97/d15ab490f1a54f929ef5746efbd79e2b/FLAG196e91c29
[2024-01-26 00:47:49,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/91422fe97/d15ab490f1a54f929ef5746efbd79e2b
[2024-01-26 00:47:49,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-01-26 00:47:49,857 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-01-26 00:47:49,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-01-26 00:47:49,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-01-26 00:47:49,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-01-26 00:47:49,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 12:47:49" (1/1) ...
[2024-01-26 00:47:49,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee80bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:47:49, skipping insertion in model container
[2024-01-26 00:47:49,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 12:47:49" (1/1) ...
[2024-01-26 00:47:49,887 INFO L177 MainTranslator]: Built tables and reachable declarations
[2024-01-26 00:47:50,114 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-flipped-dist.wvr.c[2174,2187]
[2024-01-26 00:47:50,121 INFO L209 PostProcessor]: Analyzing one entry point: main
[2024-01-26 00:47:50,139 INFO L202 MainTranslator]: Completed pre-run
[2024-01-26 00:47:50,183 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-flipped-dist.wvr.c[2174,2187]
[2024-01-26 00:47:50,185 INFO L209 PostProcessor]: Analyzing one entry point: main
[2024-01-26 00:47:50,213 INFO L206 MainTranslator]: Completed translation
[2024-01-26 00:47:50,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:47:50 WrapperNode
[2024-01-26 00:47:50,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-01-26 00:47:50,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-01-26 00:47:50,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-01-26 00:47:50,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-01-26 00:47:50,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:47:50" (1/1) ...
[2024-01-26 00:47:50,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:47:50" (1/1) ...
[2024-01-26 00:47:50,288 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72
[2024-01-26 00:47:50,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-01-26 00:47:50,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-01-26 00:47:50,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-01-26 00:47:50,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-01-26 00:47:50,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:47:50" (1/1) ...
[2024-01-26 00:47:50,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:47:50" (1/1) ...
[2024-01-26 00:47:50,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:47:50" (1/1) ...
[2024-01-26 00:47:50,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:47:50" (1/1) ...
[2024-01-26 00:47:50,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:47:50" (1/1) ...
[2024-01-26 00:47:50,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:47:50" (1/1) ...
[2024-01-26 00:47:50,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:47:50" (1/1) ...
[2024-01-26 00:47:50,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:47:50" (1/1) ...
[2024-01-26 00:47:50,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-01-26 00:47:50,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-01-26 00:47:50,348 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-01-26 00:47:50,348 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-01-26 00:47:50,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:47:50" (1/1) ...
[2024-01-26 00:47:50,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-01-26 00:47:50,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 00:47:50,398 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 00:47:50,446 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 00:47:50,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-01-26 00:47:50,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-01-26 00:47:50,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-01-26 00:47:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-01-26 00:47:50,474 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-01-26 00:47:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-01-26 00:47:50,474 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-01-26 00:47:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-01-26 00:47:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-01-26 00:47:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-01-26 00:47:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-01-26 00:47:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-01-26 00:47:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-01-26 00:47:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-01-26 00:47:50,476 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 00:47:50,578 INFO L241 CfgBuilder]: Building ICFG
[2024-01-26 00:47:50,579 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-01-26 00:47:50,825 INFO L282 CfgBuilder]: Performing block encoding
[2024-01-26 00:47:50,833 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-01-26 00:47:50,833 INFO L309 CfgBuilder]: Removed 3 assume(true) statements.
[2024-01-26 00:47:50,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 12:47:50 BoogieIcfgContainer
[2024-01-26 00:47:50,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-01-26 00:47:50,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-01-26 00:47:50,835 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-01-26 00:47:50,837 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-01-26 00:47:50,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 12:47:49" (1/3) ...
[2024-01-26 00:47:50,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278aefba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 12:47:50, skipping insertion in model container
[2024-01-26 00:47:50,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:47:50" (2/3) ...
[2024-01-26 00:47:50,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278aefba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 12:47:50, skipping insertion in model container
[2024-01-26 00:47:50,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 12:47:50" (3/3) ...
[2024-01-26 00:47:50,839 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c
[2024-01-26 00:47:50,857 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-01-26 00:47:50,864 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-01-26 00:47:50,864 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-01-26 00:47:50,864 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-01-26 00:47:50,946 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-01-26 00:47:50,988 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-26 00:47:50,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-01-26 00:47:50,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 00:47:50,991 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 00:47:51,000 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 00:47:51,049 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-01-26 00:47:51,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ========
[2024-01-26 00:47:51,068 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;@3abe8ce3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-26 00:47:51,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
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
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 00:47:51,577 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 00:47:51,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 00:47:51,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1669673971, now seen corresponding path program 1 times
[2024-01-26 00:47:51,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 00:47:51,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632723743]
[2024-01-26 00:47:51,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 00:47:51,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 00:47:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:47:51,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-01-26 00:47:51,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 00:47:51,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632723743]
[2024-01-26 00:47:51,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632723743] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-26 00:47:51,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-26 00:47:51,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-01-26 00:47:51,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346229122]
[2024-01-26 00:47:51,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-26 00:47:51,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-01-26 00:47:51,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 00:47:51,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-01-26 00:47:51,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-01-26 00:47:51,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:47:51,853 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 00:47:51,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 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 00:47:51,854 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
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 00:47:52,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:47:52,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-01-26 00:47:52,067 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 00:47:52,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 00:47:52,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1023721213, now seen corresponding path program 1 times
[2024-01-26 00:47:52,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 00:47:52,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260133374]
[2024-01-26 00:47:52,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 00:47:52,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 00:47:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:47:52,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 00:47:52,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 00:47:52,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260133374]
[2024-01-26 00:47:52,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260133374] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-26 00:47:52,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-26 00:47:52,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-01-26 00:47:52,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66600380]
[2024-01-26 00:47:52,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-26 00:47:52,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-01-26 00:47:52,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 00:47:52,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-01-26 00:47:52,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-01-26 00:47:52,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:47:52,425 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 00:47:52,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 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 00:47:52,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:47:52,426 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
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 00:47:52,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:47:52,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:47:52,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-01-26 00:47:52,499 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 00:47:52,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 00:47:52,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1906189165, now seen corresponding path program 1 times
[2024-01-26 00:47:52,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 00:47:52,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923571236]
[2024-01-26 00:47:52,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 00:47:52,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 00:47:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:47:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-01-26 00:47:52,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 00:47:52,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923571236]
[2024-01-26 00:47:52,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923571236] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 00:47:52,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170380299]
[2024-01-26 00:47:52,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 00:47:52,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 00:47:52,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 00:47:52,822 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 00:47:52,828 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 00:47:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:47:52,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjunts are in the unsatisfiable core
[2024-01-26 00:47:52,920 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 00:47:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-01-26 00:47:53,046 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 00:47:53,125 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-01-26 00:47:53,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170380299] provided 1 perfect and 1 imperfect interpolant sequences
[2024-01-26 00:47:53,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2024-01-26 00:47:53,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 7
[2024-01-26 00:47:53,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079986547]
[2024-01-26 00:47:53,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-26 00:47:53,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-01-26 00:47:53,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 00:47:53,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-01-26 00:47:53,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-01-26 00:47:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:47:53,128 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 00:47:53,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 00:47:53,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:47:53,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:47:53,128 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
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 00:47:53,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:47:53,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:47:53,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:47:53,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-01-26 00:47:53,378 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
[2024-01-26 00:47:53,380 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 00:47:53,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 00:47:53,381 INFO L85 PathProgramCache]: Analyzing trace with hash 542290522, now seen corresponding path program 1 times
[2024-01-26 00:47:53,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 00:47:53,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613354339]
[2024-01-26 00:47:53,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 00:47:53,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 00:47:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:47:53,656 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-01-26 00:47:53,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 00:47:53,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613354339]
[2024-01-26 00:47:53,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613354339] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 00:47:53,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178842703]
[2024-01-26 00:47:53,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 00:47:53,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 00:47:53,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 00:47:53,661 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 00:47:53,688 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 00:47:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:47:53,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 14 conjunts are in the unsatisfiable core
[2024-01-26 00:47:53,742 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 00:47:53,909 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-01-26 00:47:53,909 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 00:47:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-01-26 00:47:54,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178842703] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 00:47:54,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 00:47:54,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16
[2024-01-26 00:47:54,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733230929]
[2024-01-26 00:47:54,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 00:47:54,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-01-26 00:47:54,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 00:47:54,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-01-26 00:47:54,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240
[2024-01-26 00:47:54,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:47:54,078 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 00:47:54,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.25) internal successors, (116), 16 states have internal predecessors, (116), 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 00:47:54,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:47:54,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:47:54,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:47:54,078 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
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 00:47:55,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:47:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:47:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:47:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:47:55,391 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 00:47:55,586 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
[2024-01-26 00:47:55,586 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 00:47:55,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 00:47:55,587 INFO L85 PathProgramCache]: Analyzing trace with hash 780821168, now seen corresponding path program 2 times
[2024-01-26 00:47:55,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 00:47:55,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014810452]
[2024-01-26 00:47:55,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 00:47:55,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 00:47:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:47:56,014 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-01-26 00:47:56,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 00:47:56,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014810452]
[2024-01-26 00:47:56,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014810452] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 00:47:56,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751360392]
[2024-01-26 00:47:56,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-01-26 00:47:56,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 00:47:56,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 00:47:56,034 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 00:47:56,060 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 00:47:56,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-01-26 00:47:56,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 00:47:56,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 14 conjunts are in the unsatisfiable core
[2024-01-26 00:47:56,127 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 00:47:56,211 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-01-26 00:47:56,212 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 00:47:56,348 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-01-26 00:47:56,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751360392] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 00:47:56,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 00:47:56,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 20
[2024-01-26 00:47:56,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980738015]
[2024-01-26 00:47:56,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 00:47:56,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2024-01-26 00:47:56,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 00:47:56,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2024-01-26 00:47:56,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380
[2024-01-26 00:47:56,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:47:56,352 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 00:47:56,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 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 00:47:56,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:47:56,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:47:56,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:47:56,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:47:56,355 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
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 00:47:58,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:47:58,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:47:58,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:47:58,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:47:58,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:47:58,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-01-26 00:47:59,089 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
[2024-01-26 00:47:59,090 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 00:47:59,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 00:47:59,091 INFO L85 PathProgramCache]: Analyzing trace with hash 873100893, now seen corresponding path program 3 times
[2024-01-26 00:47:59,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 00:47:59,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193710371]
[2024-01-26 00:47:59,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 00:47:59,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 00:47:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:47:59,446 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-01-26 00:47:59,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 00:47:59,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193710371]
[2024-01-26 00:47:59,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193710371] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 00:47:59,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756633022]
[2024-01-26 00:47:59,446 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-01-26 00:47:59,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 00:47:59,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 00:47:59,448 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 00:47:59,471 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 00:47:59,580 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2024-01-26 00:47:59,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 00:47:59,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 22 conjunts are in the unsatisfiable core
[2024-01-26 00:47:59,584 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 00:47:59,740 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-01-26 00:47:59,740 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 00:48:00,000 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-01-26 00:48:00,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756633022] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 00:48:00,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 00:48:00,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 30
[2024-01-26 00:48:00,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199698996]
[2024-01-26 00:48:00,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 00:48:00,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2024-01-26 00:48:00,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 00:48:00,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2024-01-26 00:48:00,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=771, Unknown=0, NotChecked=0, Total=870
[2024-01-26 00:48:00,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:48:00,002 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 00:48:00,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.933333333333334) internal successors, (148), 30 states have internal predecessors, (148), 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 00:48:00,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:48:00,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:00,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:00,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:48:00,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:48:00,003 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
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 00:48:00,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:48:00,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:00,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:00,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:48:00,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:48:00,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states.
[2024-01-26 00:48:00,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-01-26 00:48:00,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-01-26 00:48:00,871 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 00:48:00,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 00:48:00,871 INFO L85 PathProgramCache]: Analyzing trace with hash 180658334, now seen corresponding path program 4 times
[2024-01-26 00:48:00,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 00:48:00,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633899796]
[2024-01-26 00:48:00,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 00:48:00,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 00:48:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:48:02,070 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 7 proven. 62 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-01-26 00:48:02,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 00:48:02,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633899796]
[2024-01-26 00:48:02,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633899796] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 00:48:02,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526007078]
[2024-01-26 00:48:02,071 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-01-26 00:48:02,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 00:48:02,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 00:48:02,094 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 00:48:02,119 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 00:48:02,177 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-01-26 00:48:02,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 00:48:02,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 22 conjunts are in the unsatisfiable core
[2024-01-26 00:48:02,180 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 00:48:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2024-01-26 00:48:02,431 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 00:48:02,777 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2024-01-26 00:48:02,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526007078] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 00:48:02,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 00:48:02,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 13, 13] total 39
[2024-01-26 00:48:02,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629262952]
[2024-01-26 00:48:02,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 00:48:02,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states
[2024-01-26 00:48:02,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 00:48:02,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants.
[2024-01-26 00:48:02,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1352, Unknown=0, NotChecked=0, Total=1482
[2024-01-26 00:48:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:48:02,782 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 00:48:02,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.333333333333333) internal successors, (169), 39 states have internal predecessors, (169), 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 00:48:02,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:48:02,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:02,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:02,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:48:02,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:48:02,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states.
[2024-01-26 00:48:02,783 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
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 00:48:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:48:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:48:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:48:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states.
[2024-01-26 00:48:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states.
[2024-01-26 00:48:04,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-01-26 00:48:04,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 00:48:04,792 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 00:48:04,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 00:48:04,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1714438865, now seen corresponding path program 5 times
[2024-01-26 00:48:04,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 00:48:04,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558866295]
[2024-01-26 00:48:04,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 00:48:04,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 00:48:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:48:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-01-26 00:48:05,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 00:48:05,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558866295]
[2024-01-26 00:48:05,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558866295] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 00:48:05,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333265684]
[2024-01-26 00:48:05,313 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-01-26 00:48:05,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 00:48:05,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 00:48:05,329 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 00:48:05,359 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 00:48:05,722 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s)
[2024-01-26 00:48:05,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 00:48:05,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 30 conjunts are in the unsatisfiable core
[2024-01-26 00:48:05,726 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 00:48:06,077 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2024-01-26 00:48:06,077 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 00:48:06,665 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2024-01-26 00:48:06,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333265684] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 00:48:06,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 00:48:06,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17] total 42
[2024-01-26 00:48:06,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775010519]
[2024-01-26 00:48:06,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 00:48:06,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states
[2024-01-26 00:48:06,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 00:48:06,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants.
[2024-01-26 00:48:06,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1580, Unknown=0, NotChecked=0, Total=1722
[2024-01-26 00:48:06,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:48:06,669 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 00:48:06,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.809523809523809) internal successors, (202), 42 states have internal predecessors, (202), 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 00:48:06,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:48:06,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:06,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:06,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:48:06,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:48:06,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states.
[2024-01-26 00:48:06,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states.
[2024-01-26 00:48:06,670 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
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 00:48:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:48:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:48:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:48:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states.
[2024-01-26 00:48:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states.
[2024-01-26 00:48:08,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states.
[2024-01-26 00:48:08,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-01-26 00:48:09,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2024-01-26 00:48:09,095 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 00:48:09,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 00:48:09,095 INFO L85 PathProgramCache]: Analyzing trace with hash -72574715, now seen corresponding path program 6 times
[2024-01-26 00:48:09,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 00:48:09,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091592127]
[2024-01-26 00:48:09,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 00:48:09,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 00:48:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:48:09,833 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2024-01-26 00:48:09,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 00:48:09,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091592127]
[2024-01-26 00:48:09,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091592127] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 00:48:09,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103167702]
[2024-01-26 00:48:09,834 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-01-26 00:48:09,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 00:48:09,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 00:48:09,836 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-01-26 00:48:09,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-01-26 00:48:10,736 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s)
[2024-01-26 00:48:10,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 00:48:10,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 38 conjunts are in the unsatisfiable core
[2024-01-26 00:48:10,744 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 00:48:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked.
[2024-01-26 00:48:11,105 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 00:48:11,784 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked.
[2024-01-26 00:48:11,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103167702] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 00:48:11,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 00:48:11,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 21, 21] total 56
[2024-01-26 00:48:11,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023965947]
[2024-01-26 00:48:11,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 00:48:11,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states
[2024-01-26 00:48:11,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 00:48:11,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants.
[2024-01-26 00:48:11,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=2822, Unknown=0, NotChecked=0, Total=3080
[2024-01-26 00:48:11,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:48:11,787 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 00:48:11,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.982142857142857) internal successors, (223), 56 states have internal predecessors, (223), 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 00:48:11,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:48:11,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:11,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:11,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:48:11,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:48:11,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states.
[2024-01-26 00:48:11,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states.
[2024-01-26 00:48:11,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states.
[2024-01-26 00:48:11,787 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
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 00:48:15,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:48:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:48:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:48:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states.
[2024-01-26 00:48:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states.
[2024-01-26 00:48:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states.
[2024-01-26 00:48:15,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states.
[2024-01-26 00:48:15,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2024-01-26 00:48:15,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 00:48:15,940 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 00:48:15,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 00:48:15,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1328886021, now seen corresponding path program 7 times
[2024-01-26 00:48:15,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 00:48:15,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033839859]
[2024-01-26 00:48:15,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 00:48:15,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 00:48:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:48:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked.
[2024-01-26 00:48:17,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 00:48:17,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033839859]
[2024-01-26 00:48:17,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033839859] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 00:48:17,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438541562]
[2024-01-26 00:48:17,410 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2024-01-26 00:48:17,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 00:48:17,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 00:48:17,411 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-01-26 00:48:17,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-01-26 00:48:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:48:17,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 70 conjunts are in the unsatisfiable core
[2024-01-26 00:48:17,527 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 00:48:18,506 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 460 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked.
[2024-01-26 00:48:18,507 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 00:48:20,236 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 460 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked.
[2024-01-26 00:48:20,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438541562] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 00:48:20,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 00:48:20,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 37, 37] total 85
[2024-01-26 00:48:20,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806828123]
[2024-01-26 00:48:20,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 00:48:20,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states
[2024-01-26 00:48:20,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 00:48:20,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants.
[2024-01-26 00:48:20,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=6758, Unknown=0, NotChecked=0, Total=7140
[2024-01-26 00:48:20,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:48:20,240 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 00:48:20,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 3.6705882352941175) internal successors, (312), 85 states have internal predecessors, (312), 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 00:48:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:48:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:48:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:48:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:48:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states.
[2024-01-26 00:48:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states.
[2024-01-26 00:48:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states.
[2024-01-26 00:48:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states.
[2024-01-26 00:48:20,241 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
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 00:49:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:49:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:49:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:49:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:49:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:49:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states.
[2024-01-26 00:49:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states.
[2024-01-26 00:49:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states.
[2024-01-26 00:49:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states.
[2024-01-26 00:49:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states.
[2024-01-26 00:49:08,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-01-26 00:49:08,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-01-26 00:49:08,390 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 00:49:08,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 00:49:08,390 INFO L85 PathProgramCache]: Analyzing trace with hash 2040046270, now seen corresponding path program 8 times
[2024-01-26 00:49:08,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 00:49:08,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736737113]
[2024-01-26 00:49:08,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 00:49:08,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 00:49:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:49:09,634 INFO L134 CoverageAnalysis]: Checked inductivity of 967 backedges. 0 proven. 614 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked.
[2024-01-26 00:49:09,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 00:49:09,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736737113]
[2024-01-26 00:49:09,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736737113] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 00:49:09,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926367832]
[2024-01-26 00:49:09,635 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-01-26 00:49:09,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 00:49:09,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 00:49:09,637 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-01-26 00:49:09,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-01-26 00:49:09,763 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-01-26 00:49:09,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 00:49:09,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 78 conjunts are in the unsatisfiable core
[2024-01-26 00:49:09,768 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 00:49:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 967 backedges. 0 proven. 746 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked.
[2024-01-26 00:49:10,903 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 00:49:12,922 INFO L134 CoverageAnalysis]: Checked inductivity of 967 backedges. 0 proven. 746 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked.
[2024-01-26 00:49:12,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926367832] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 00:49:12,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 00:49:12,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 41, 41] total 95
[2024-01-26 00:49:12,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866480520]
[2024-01-26 00:49:12,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 00:49:12,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states
[2024-01-26 00:49:12,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 00:49:12,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants.
[2024-01-26 00:49:12,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=447, Invalid=8483, Unknown=0, NotChecked=0, Total=8930
[2024-01-26 00:49:12,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:49:12,926 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 00:49:12,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 3.5473684210526315) internal successors, (337), 95 states have internal predecessors, (337), 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 00:49:12,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:49:12,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:49:12,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:49:12,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:49:12,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:49:12,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states.
[2024-01-26 00:49:12,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states.
[2024-01-26 00:49:12,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states.
[2024-01-26 00:49:12,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states.
[2024-01-26 00:49:12,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states.
[2024-01-26 00:49:12,927 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
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 00:50:41,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:50:41,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:50:41,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:50:41,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:50:41,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:50:41,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states.
[2024-01-26 00:50:41,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states.
[2024-01-26 00:50:41,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states.
[2024-01-26 00:50:41,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states.
[2024-01-26 00:50:41,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states.
[2024-01-26 00:50:41,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states.
[2024-01-26 00:50:41,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2024-01-26 00:50:42,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2024-01-26 00:50:42,153 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 00:50:42,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 00:50:42,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1445941872, now seen corresponding path program 9 times
[2024-01-26 00:50:42,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 00:50:42,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387322462]
[2024-01-26 00:50:42,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 00:50:42,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 00:50:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:50:44,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 779 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked.
[2024-01-26 00:50:44,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 00:50:44,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387322462]
[2024-01-26 00:50:44,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387322462] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 00:50:44,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335739502]
[2024-01-26 00:50:44,496 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-01-26 00:50:44,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 00:50:44,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 00:50:44,498 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-01-26 00:50:44,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-01-26 00:50:46,305 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2024-01-26 00:50:46,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 00:50:46,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 62 conjunts are in the unsatisfiable core
[2024-01-26 00:50:46,312 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 00:50:47,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked.
[2024-01-26 00:50:47,545 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 00:50:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked.
[2024-01-26 00:50:49,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335739502] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 00:50:49,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 00:50:49,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 33, 33] total 99
[2024-01-26 00:50:49,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581047111]
[2024-01-26 00:50:49,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 00:50:49,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states
[2024-01-26 00:50:49,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 00:50:49,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants.
[2024-01-26 00:50:49,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=472, Invalid=9230, Unknown=0, NotChecked=0, Total=9702
[2024-01-26 00:50:49,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:50:49,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 00:50:49,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 3.494949494949495) internal successors, (346), 99 states have internal predecessors, (346), 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 00:50:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:50:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:50:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:50:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:50:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:50:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states.
[2024-01-26 00:50:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states.
[2024-01-26 00:50:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states.
[2024-01-26 00:50:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states.
[2024-01-26 00:50:49,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states.
[2024-01-26 00:50:49,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states.
[2024-01-26 00:50:49,636 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
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 00:51:25,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:51:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:51:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:51:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:51:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:51:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states.
[2024-01-26 00:51:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states.
[2024-01-26 00:51:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states.
[2024-01-26 00:51:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states.
[2024-01-26 00:51:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states.
[2024-01-26 00:51:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states.
[2024-01-26 00:51:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states.
[2024-01-26 00:51:25,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2024-01-26 00:51:25,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 00:51:25,541 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 00:51:25,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 00:51:25,542 INFO L85 PathProgramCache]: Analyzing trace with hash -910544739, now seen corresponding path program 10 times
[2024-01-26 00:51:25,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 00:51:25,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966576455]
[2024-01-26 00:51:25,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 00:51:25,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 00:51:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 00:51:28,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 0 proven. 1044 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked.
[2024-01-26 00:51:28,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 00:51:28,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966576455]
[2024-01-26 00:51:28,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966576455] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 00:51:28,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302391249]
[2024-01-26 00:51:28,945 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-01-26 00:51:28,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 00:51:28,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 00:51:28,947 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-01-26 00:51:28,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-01-26 00:51:29,086 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-01-26 00:51:29,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 00:51:29,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 118 conjunts are in the unsatisfiable core
[2024-01-26 00:51:29,108 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 00:51:31,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 0 proven. 1293 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked.
[2024-01-26 00:51:31,833 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 00:51:37,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 0 proven. 1293 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked.
[2024-01-26 00:51:37,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302391249] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 00:51:37,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 00:51:37,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 61, 61] total 143
[2024-01-26 00:51:37,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480969449]
[2024-01-26 00:51:37,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 00:51:37,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 143 states
[2024-01-26 00:51:37,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 00:51:37,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants.
[2024-01-26 00:51:37,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=825, Invalid=19481, Unknown=0, NotChecked=0, Total=20306
[2024-01-26 00:51:37,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:51:37,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 00:51:37,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 3.195804195804196) internal successors, (457), 143 states have internal predecessors, (457), 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 00:51:37,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 00:51:37,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:51:37,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-01-26 00:51:37,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2024-01-26 00:51:37,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states.
[2024-01-26 00:51:37,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states.
[2024-01-26 00:51:37,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states.
[2024-01-26 00:51:37,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states.
[2024-01-26 00:51:37,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states.
[2024-01-26 00:51:37,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states.
[2024-01-26 00:51:37,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states.
[2024-01-26 00:51:37,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states.
[2024-01-26 00:51:37,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
Found a loop, use abstraction hammer
[2024-01-26 00:54:08,255 WARN L293 SmtUtils]: Spent 7.67s on a formula simplification. DAG size of input: 105 DAG size of output: 22 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-01-26 00:57:55,176 WARN L293 SmtUtils]: Spent 7.20s on a formula simplification. DAG size of input: 98 DAG size of output: 23 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-01-26 01:01:06,570 WARN L293 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 92 DAG size of output: 23 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
Received shutdown request...
[2024-01-26 01:02:29,275 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 01:02:29,282 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 01:02:29,312 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2024-01-26 01:02:29,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2024-01-26 01:02:29,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2024-01-26 01:02:29,694 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 184 known predicates.
[2024-01-26 01:02:29,696 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-01-26 01:02:29,704 INFO L445 BasicCegarLoop]: Path program histogram: [10, 1, 1, 1]
[2024-01-26 01:02:29,705 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4)
[2024-01-26 01:02:29,706 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-01-26 01:02:29,706 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2024-01-26 01:02:29,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 01:02:29 BasicIcfg
[2024-01-26 01:02:29,707 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-01-26 01:02:29,707 INFO L158 Benchmark]: Toolchain (without parser) took 879850.74ms. Allocated memory was 206.6MB in the beginning and 610.3MB in the end (delta: 403.7MB). Free memory was 142.0MB in the beginning and 240.3MB in the end (delta: -98.2MB). Peak memory consumption was 306.5MB. Max. memory is 8.0GB.
[2024-01-26 01:02:29,708 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 206.6MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 8.0GB.
[2024-01-26 01:02:29,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.13ms. Allocated memory is still 206.6MB. Free memory was 141.6MB in the beginning and 130.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2024-01-26 01:02:29,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.41ms. Allocated memory is still 206.6MB. Free memory was 130.1MB in the beginning and 128.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2024-01-26 01:02:29,708 INFO L158 Benchmark]: Boogie Preprocessor took 57.93ms. Allocated memory is still 206.6MB. Free memory was 128.4MB in the beginning and 127.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-01-26 01:02:29,708 INFO L158 Benchmark]: RCFGBuilder took 485.40ms. Allocated memory is still 206.6MB. Free memory was 126.9MB in the beginning and 112.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB.
[2024-01-26 01:02:29,708 INFO L158 Benchmark]: TraceAbstraction took 878872.28ms. Allocated memory was 206.6MB in the beginning and 610.3MB in the end (delta: 403.7MB). Free memory was 112.1MB in the beginning and 240.3MB in the end (delta: -128.2MB). Peak memory consumption was 277.1MB. Max. memory is 8.0GB.
[2024-01-26 01:02:29,709 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 206.6MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 355.13ms. Allocated memory is still 206.6MB. Free memory was 141.6MB in the beginning and 130.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 71.41ms. Allocated memory is still 206.6MB. Free memory was 130.1MB in the beginning and 128.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 57.93ms. Allocated memory is still 206.6MB. Free memory was 128.4MB in the beginning and 127.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 485.40ms. Allocated memory is still 206.6MB. Free memory was 126.9MB in the beginning and 112.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB.
* TraceAbstraction took 878872.28ms. Allocated memory was 206.6MB in the beginning and 610.3MB in the end (delta: 403.7MB). Free memory was 112.1MB in the beginning and 240.3MB in the end (delta: -128.2MB). Peak memory consumption was 277.1MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation #1 benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7096, independent: 6788, independent conditional: 6788, independent unconditional: 0, dependent: 308, dependent conditional: 308, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6788, independent: 6788, independent conditional: 6788, 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: 6788, independent: 6788, independent conditional: 6788, 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: 6788, independent: 6788, independent conditional: 0, independent unconditional: 6788, 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: 6788, independent: 6788, independent conditional: 0, independent unconditional: 6788, 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: 6788, independent: 6788, independent conditional: 0, independent unconditional: 6788, 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: 6788, independent: 6788, independent conditional: 0, independent unconditional: 6788, 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: 6788, independent: 6788, independent conditional: 0, independent unconditional: 6788, 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: 6788, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 6788, unknown conditional: 0, unknown unconditional: 6788] , Statistics on independence cache: Total cache size (in pairs): 6788, Positive cache size: 6788, Positive conditional cache size: 0, Positive unconditional cache size: 6788, 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: 308
- StatisticsResult: Proof manager benchmarks
IrresponsibleProofs: 71, RedundantProofs: 13, ProvenStates: 763, Times there's more than one choice: 560, Avg number of choices: 3.803407601572739
- StatisticsResult: Reduction benchmarks
0.3s Time before loop, 35.4s Time in loop, 35.7s Time in total, Has Loop: true, Protected Variables: [write~init~int_#value, thread2Thread1of1ForFork0_thidvar0, old(thread2Thread1of1ForFork0_thidvar0), thread2Thread1of1ForFork0_thidvar1, old(thread2Thread1of1ForFork0_thidvar1), thread2Thread1of1ForFork0_thidvar2, old(thread2Thread1of1ForFork0_thidvar2), thread1Thread1of1ForFork2_thidvar0, old(thread1Thread1of1ForFork2_thidvar0), thread1Thread1of1ForFork2_thidvar1, old(thread1Thread1of1ForFork2_thidvar1), write~int_#ptr.base, thread3Thread1of1ForFork1_#in~_argptr.base, ULTIMATE.start_main_#t~mem13#1, ULTIMATE.start_main_#t~mem14#1, ULTIMATE.start_main_#t~mem15#1, thread1_~i~0, thread2_~i~1, thread3_~i~2, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~nondet8#1, thread2Thread1of1ForFork0_#res.offset, ULTIMATE.start_main_~#t3~0#1.offset, thread3Thread1of1ForFork1_~_argptr.base, read~int_#ptr.base, thread1Thread1of1ForFork2_~i~0, ULTIMATE.start_#t~ret16#1, thread1_#res.offset, thread2_#res.offset, thread3_#res.offset, thread2Thread1of1ForFork0_~_argptr.offset, thread2Thread1of1ForFork0_#in~_argptr.base, ULTIMATE.start_main_~#t2~0#1.offset, #Ultimate.allocOnStack_~size, thread1Thread1of1ForFork2_#res.offset, thread1_~_argptr.offset, thread2_~_argptr.offset, thread3_~_argptr.offset, read~int_#sizeOfReadType, write~init~int_#sizeOfWrittenType, thread1_#in~_argptr.base, thread2_#in~_argptr.base, thread3_#in~_argptr.base, thread2Thread1of1ForFork0_~_argptr.base, ~x_1~0, old(~x_1~0), ~x_2~0, old(~x_2~0), ~x_3~0, old(~x_3~0), ULTIMATE.start_main_~#t1~0#1.offset, thread1Thread1of1ForFork2_~_argptr.offset, thread3Thread1of1ForFork1_#res.base, ULTIMATE.start_main_#t~pre11#1, #Ultimate.allocOnStack_#res.offset, ULTIMATE.dealloc_~addr.offset, thread1Thread1of1ForFork2_#in~_argptr.base, write~int_#value, write~init~int_#ptr.offset, thread1_~_argptr.base, thread2_~_argptr.base, thread3_~_argptr.base, ULTIMATE.dealloc_~addr.base, thread3Thread1of1ForFork1_#in~_argptr.offset, ULTIMATE.start_assume_abort_if_not_~cond#1, #pthreadsForks, old(#pthreadsForks), thread3Thread1of1ForFork1_#t~post3, ~a~0, old(~a~0), ~b~0, old(~b~0), ~c~0, old(~c~0), thread1Thread1of1ForFork2_~_argptr.base, #valid, old(#valid), read~int_#value, #Ultimate.allocInit_~size, thread2Thread1of1ForFork0_#res.base, write~init~int_#ptr.base, thread2Thread1of1ForFork0_#in~_argptr.offset, thread1_#res.base, thread2_#res.base, thread3_#res.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1, #Ultimate.allocInit_ptrBase, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_~#t1~0#1.base, thread2Thread1of1ForFork0_#t~post2, #length, old(#length), ULTIMATE.start_main_~#t2~0#1.base, write~int_#sizeOfWrittenType, thread1_#in~_argptr.offset, thread2_#in~_argptr.offset, thread3_#in~_argptr.offset, thread3Thread1of1ForFork1_~i~2, ULTIMATE.start_main_~#t3~0#1.base, thread3Thread1of1ForFork1_thidvar0, old(thread3Thread1of1ForFork1_thidvar0), thread3Thread1of1ForFork1_thidvar1, old(thread3Thread1of1ForFork1_thidvar1), thread3Thread1of1ForFork1_thidvar2, old(thread3Thread1of1ForFork1_thidvar2), thread3Thread1of1ForFork1_thidvar3, old(thread3Thread1of1ForFork1_thidvar3), #StackHeapBarrier, old(#StackHeapBarrier), thread1Thread1of1ForFork2_#res.base, thread1_#t~post1, thread2_#t~post2, thread3_#t~post3, thread1Thread1of1ForFork2_#in~_argptr.offset, write~int_#ptr.offset, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_#t~pre9#1, thread3Thread1of1ForFork1_#res.offset, #memory_int, old(#memory_int), thread1Thread1of1ForFork2_#t~post1, #Ultimate.allocOnStack_#res.base, thread2Thread1of1ForFork0_~i~1, thread3Thread1of1ForFork1_~_argptr.offset, read~int_#ptr.offset], Protected Variables before encountering a loop: []
- TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction)
Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 184 known predicates.
- StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances
CFG has 7 procedures, 142 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 878.7s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 838.2s, 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: 699, 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: 0.2s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 33.0s InterpolantComputationTime, 3823 NumberOfCodeBlocks, 3778 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 5616 ConstructedInterpolants, 0 QuantifiedInterpolants, 25272 SizeOfPredicates, 237 NumberOfNonLiveVariables, 3834 ConjunctsInSsa, 476 ConjunctsInUnsatCore, 35 InterpolantComputations, 3 PerfectInterpolantSequences, 4944/14384 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