/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/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 05:50:03,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 05:50:03,068 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-01-26 05:50:03,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 05:50:03,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 05:50:03,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 05:50:03,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 05:50:03,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 05:50:03,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 05:50:03,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 05:50:03,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 05:50:03,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 05:50:03,098 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 05:50:03,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 05:50:03,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 05:50:03,099 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 05:50:03,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 05:50:03,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 05:50:03,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 05:50:03,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 05:50:03,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 05:50:03,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 05:50:03,100 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 05:50:03,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 05:50:03,101 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 05:50:03,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 05:50:03,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 05:50:03,102 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 05:50:03,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 05:50:03,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 05:50:03,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 05:50:03,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 05:50:03,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 05:50:03,103 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 05:50:03,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 05:50:03,103 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 05:50:03,103 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 05:50:03,103 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 05:50:03,103 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-01-26 05:50:03,104 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 05:50:03,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 05:50:03,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 05:50:03,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 05:50:03,316 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 05:50:03,317 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 05:50:03,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-01-26 05:50:04,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 05:50:04,625 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 05:50:04,626 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-01-26 05:50:04,638 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/00fc61b12/f782883a72c14292ba9f6411340535af/FLAG9fe8bb621 [2024-01-26 05:50:04,650 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/00fc61b12/f782883a72c14292ba9f6411340535af [2024-01-26 05:50:04,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 05:50:04,654 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 05:50:04,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 05:50:04,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 05:50:04,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 05:50:04,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:50:04" (1/1) ... [2024-01-26 05:50:04,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70477246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:50:04, skipping insertion in model container [2024-01-26 05:50:04,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:50:04" (1/1) ... [2024-01-26 05:50:04,682 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 05:50:04,843 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2024-01-26 05:50:04,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 05:50:04,863 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 05:50:04,897 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2024-01-26 05:50:04,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 05:50:04,914 INFO L206 MainTranslator]: Completed translation [2024-01-26 05:50:04,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:50:04 WrapperNode [2024-01-26 05:50:04,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 05:50:04,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 05:50:04,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 05:50:04,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 05:50:04,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:50:04" (1/1) ... [2024-01-26 05:50:04,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:50:04" (1/1) ... [2024-01-26 05:50:04,961 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 156 [2024-01-26 05:50:04,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 05:50:04,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 05:50:04,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 05:50:04,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 05:50:04,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:50:04" (1/1) ... [2024-01-26 05:50:04,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:50:04" (1/1) ... [2024-01-26 05:50:04,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:50:04" (1/1) ... [2024-01-26 05:50:04,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:50:04" (1/1) ... [2024-01-26 05:50:04,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:50:04" (1/1) ... [2024-01-26 05:50:04,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:50:04" (1/1) ... [2024-01-26 05:50:04,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:50:04" (1/1) ... [2024-01-26 05:50:04,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:50:04" (1/1) ... [2024-01-26 05:50:04,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 05:50:04,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 05:50:04,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 05:50:04,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 05:50:04,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:50:04" (1/1) ... [2024-01-26 05:50:05,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 05:50:05,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:50:05,027 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 05:50:05,035 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 05:50:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 05:50:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 05:50:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 05:50:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 05:50:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 05:50:05,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 05:50:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 05:50:05,056 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 05:50:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 05:50:05,056 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 05:50:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 05:50:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 05:50:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 05:50:05,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 05:50:05,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 05:50:05,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 05:50:05,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 05:50:05,059 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 05:50:05,163 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 05:50:05,165 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 05:50:05,489 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 05:50:05,543 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 05:50:05,543 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-26 05:50:05,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:50:05 BoogieIcfgContainer [2024-01-26 05:50:05,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 05:50:05,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 05:50:05,545 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 05:50:05,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 05:50:05,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 05:50:04" (1/3) ... [2024-01-26 05:50:05,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1d456b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:50:05, skipping insertion in model container [2024-01-26 05:50:05,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:50:04" (2/3) ... [2024-01-26 05:50:05,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1d456b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:50:05, skipping insertion in model container [2024-01-26 05:50:05,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:50:05" (3/3) ... [2024-01-26 05:50:05,549 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2024-01-26 05:50:05,555 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 05:50:05,562 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 05:50:05,562 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 05:50:05,562 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 05:50:05,634 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-26 05:50:05,672 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 05:50:05,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 05:50:05,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:50:05,676 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 05:50:05,705 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 05:50:05,715 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 05:50:05,720 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 05:50:05,725 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1045f711, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 05:50:05,725 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-26 05:50:05,956 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:50:05,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:50:05,960 INFO L85 PathProgramCache]: Analyzing trace with hash 103662420, now seen corresponding path program 1 times [2024-01-26 05:50:05,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:50:05,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4480321] [2024-01-26 05:50:05,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:50:05,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:50:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:06,227 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-01-26 05:50:06,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:50:06,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4480321] [2024-01-26 05:50:06,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4480321] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 05:50:06,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 05:50:06,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 05:50:06,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978008774] [2024-01-26 05:50:06,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 05:50:06,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 05:50:06,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:50:06,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 05:50:06,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 05:50:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:06,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:50:06,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 94.0) internal successors, (188), 2 states have internal predecessors, (188), 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 05:50:06,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:06,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:06,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 05:50:06,337 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:50:06,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:50:06,338 INFO L85 PathProgramCache]: Analyzing trace with hash -767661233, now seen corresponding path program 1 times [2024-01-26 05:50:06,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:50:06,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136567901] [2024-01-26 05:50:06,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:50:06,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:50:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:06,844 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-01-26 05:50:06,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:50:06,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136567901] [2024-01-26 05:50:06,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136567901] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 05:50:06,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 05:50:06,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-01-26 05:50:06,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074597771] [2024-01-26 05:50:06,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 05:50:06,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-01-26 05:50:06,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:50:06,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-01-26 05:50:06,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-01-26 05:50:06,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:06,852 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:50:06,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 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 05:50:06,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:06,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:07,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:07,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:07,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 05:50:07,097 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:50:07,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:50:07,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1939951568, now seen corresponding path program 1 times [2024-01-26 05:50:07,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:50:07,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101903681] [2024-01-26 05:50:07,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:50:07,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:50:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-01-26 05:50:07,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:50:07,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101903681] [2024-01-26 05:50:07,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101903681] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:50:07,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030325255] [2024-01-26 05:50:07,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:50:07,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:50:07,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:50:07,502 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 05:50:07,527 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 05:50:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:07,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 10 conjunts are in the unsatisfiable core [2024-01-26 05:50:07,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:50:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-01-26 05:50:08,010 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:50:08,289 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-01-26 05:50:08,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030325255] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:50:08,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:50:08,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-01-26 05:50:08,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655564870] [2024-01-26 05:50:08,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:50:08,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-01-26 05:50:08,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:50:08,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-01-26 05:50:08,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-01-26 05:50:08,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:08,292 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:50:08,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.708333333333334) internal successors, (281), 24 states have internal predecessors, (281), 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 05:50:08,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:08,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:08,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:08,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:08,788 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 05:50:08,987 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 05:50:08,988 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:50:08,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:50:08,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1753706351, now seen corresponding path program 2 times [2024-01-26 05:50:08,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:50:08,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265306263] [2024-01-26 05:50:08,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:50:08,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:50:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:09,308 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-01-26 05:50:09,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:50:09,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265306263] [2024-01-26 05:50:09,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265306263] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:50:09,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607553313] [2024-01-26 05:50:09,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 05:50:09,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:50:09,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:50:09,316 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 05:50:09,341 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 05:50:09,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 05:50:09,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:50:09,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 10 conjunts are in the unsatisfiable core [2024-01-26 05:50:09,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:50:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-01-26 05:50:09,752 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:50:10,010 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-01-26 05:50:10,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607553313] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:50:10,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:50:10,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-01-26 05:50:10,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732123706] [2024-01-26 05:50:10,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:50:10,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-01-26 05:50:10,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:50:10,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-01-26 05:50:10,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2024-01-26 05:50:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:10,014 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:50:10,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 17.583333333333332) internal successors, (422), 24 states have internal predecessors, (422), 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 05:50:10,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:10,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:10,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:10,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:10,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:10,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:10,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:10,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:10,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-01-26 05:50:10,830 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 05:50:10,831 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:50:10,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:50:10,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1799774509, now seen corresponding path program 3 times [2024-01-26 05:50:10,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:50:10,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173215704] [2024-01-26 05:50:10,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:50:10,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:50:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-01-26 05:50:11,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:50:11,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173215704] [2024-01-26 05:50:11,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173215704] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:50:11,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058386476] [2024-01-26 05:50:11,176 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 05:50:11,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:50:11,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:50:11,185 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 05:50:11,188 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 05:50:11,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-01-26 05:50:11,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:50:11,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 14 conjunts are in the unsatisfiable core [2024-01-26 05:50:11,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:50:11,758 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-01-26 05:50:11,758 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:50:12,149 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-01-26 05:50:12,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058386476] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:50:12,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:50:12,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2024-01-26 05:50:12,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955981051] [2024-01-26 05:50:12,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:50:12,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-01-26 05:50:12,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:50:12,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-01-26 05:50:12,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2024-01-26 05:50:12,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:12,152 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:50:12,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 9.794117647058824) internal successors, (333), 34 states have internal predecessors, (333), 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 05:50:12,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:12,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:12,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:12,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:12,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:12,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:12,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:12,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:12,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:12,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:12,684 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 05:50:12,869 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 05:50:12,870 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:50:12,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:50:12,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1561910260, now seen corresponding path program 4 times [2024-01-26 05:50:12,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:50:12,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494148887] [2024-01-26 05:50:12,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:50:12,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:50:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:13,348 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 17 proven. 36 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-01-26 05:50:13,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:50:13,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494148887] [2024-01-26 05:50:13,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494148887] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:50:13,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118876677] [2024-01-26 05:50:13,349 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 05:50:13,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:50:13,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:50:13,365 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 05:50:13,367 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 05:50:13,518 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 05:50:13,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:50:13,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 14 conjunts are in the unsatisfiable core [2024-01-26 05:50:13,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:50:13,914 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 29 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-01-26 05:50:13,914 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:50:14,371 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 39 proven. 14 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-01-26 05:50:14,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118876677] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:50:14,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:50:14,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2024-01-26 05:50:14,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977249490] [2024-01-26 05:50:14,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:50:14,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-01-26 05:50:14,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:50:14,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-01-26 05:50:14,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2024-01-26 05:50:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:14,374 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:50:14,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 9.852941176470589) internal successors, (335), 34 states have internal predecessors, (335), 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 05:50:14,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:14,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:14,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:14,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:14,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:14,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:50:15,206 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 05:50:15,406 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 05:50:15,406 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:50:15,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:50:15,407 INFO L85 PathProgramCache]: Analyzing trace with hash -660910980, now seen corresponding path program 5 times [2024-01-26 05:50:15,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:50:15,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87127632] [2024-01-26 05:50:15,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:50:15,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:50:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:15,834 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 55 proven. 32 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-01-26 05:50:15,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:50:15,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87127632] [2024-01-26 05:50:15,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87127632] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:50:15,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592872629] [2024-01-26 05:50:15,835 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-01-26 05:50:15,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:50:15,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:50:15,836 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 05:50:15,838 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 05:50:16,125 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-01-26 05:50:16,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:50:16,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 16 conjunts are in the unsatisfiable core [2024-01-26 05:50:16,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:50:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 41 proven. 87 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-01-26 05:50:16,418 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:50:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 38 proven. 90 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-01-26 05:50:16,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592872629] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:50:16,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:50:16,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 37 [2024-01-26 05:50:16,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679265759] [2024-01-26 05:50:16,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:50:16,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-01-26 05:50:16,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:50:16,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-01-26 05:50:16,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1194, Unknown=0, NotChecked=0, Total=1332 [2024-01-26 05:50:16,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:16,701 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:50:16,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 13.675675675675675) internal successors, (506), 37 states have internal predecessors, (506), 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 05:50:16,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:16,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:16,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:16,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:16,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:16,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:50:16,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:18,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:18,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:18,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:18,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:18,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:18,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:50:18,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-01-26 05:50:18,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-01-26 05:50:18,360 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 05:50:18,361 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:50:18,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:50:18,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1472881916, now seen corresponding path program 6 times [2024-01-26 05:50:18,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:50:18,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584583715] [2024-01-26 05:50:18,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:50:18,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:50:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 45 proven. 43 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-01-26 05:50:18,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:50:18,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584583715] [2024-01-26 05:50:18,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584583715] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:50:18,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898987607] [2024-01-26 05:50:18,804 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-01-26 05:50:18,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:50:18,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:50:18,805 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 05:50:18,809 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 05:50:19,107 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-01-26 05:50:19,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:50:19,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 16 conjunts are in the unsatisfiable core [2024-01-26 05:50:19,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:50:19,438 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 54 proven. 58 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-01-26 05:50:19,439 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:50:19,733 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 33 proven. 79 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-01-26 05:50:19,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898987607] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:50:19,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:50:19,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 41 [2024-01-26 05:50:19,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60076252] [2024-01-26 05:50:19,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:50:19,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-01-26 05:50:19,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:50:19,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-01-26 05:50:19,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1492, Unknown=0, NotChecked=0, Total=1640 [2024-01-26 05:50:19,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:19,737 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:50:19,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 12.21951219512195) internal successors, (501), 41 states have internal predecessors, (501), 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 05:50:19,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:19,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:19,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:19,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:19,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:19,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:50:19,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-01-26 05:50:19,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:20,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:20,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:20,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:20,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:20,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:20,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:50:20,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-01-26 05:50:20,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-01-26 05:50:20,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-01-26 05:50:20,963 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 05:50:20,963 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:50:20,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:50:20,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1051406305, now seen corresponding path program 7 times [2024-01-26 05:50:20,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:50:20,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314337708] [2024-01-26 05:50:20,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:50:20,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:50:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:21,532 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 42 proven. 59 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-01-26 05:50:21,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:50:21,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314337708] [2024-01-26 05:50:21,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314337708] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:50:21,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696597831] [2024-01-26 05:50:21,532 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-01-26 05:50:21,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:50:21,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:50:21,533 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 05:50:21,535 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 05:50:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:21,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 22 conjunts are in the unsatisfiable core [2024-01-26 05:50:21,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:50:22,244 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 55 proven. 46 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-01-26 05:50:22,244 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:50:22,787 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 55 proven. 46 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-01-26 05:50:22,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696597831] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:50:22,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:50:22,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2024-01-26 05:50:22,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862406513] [2024-01-26 05:50:22,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:50:22,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-01-26 05:50:22,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:50:22,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-01-26 05:50:22,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=2399, Unknown=0, NotChecked=0, Total=2862 [2024-01-26 05:50:22,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:22,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:50:22,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 6.462962962962963) internal successors, (349), 54 states have internal predecessors, (349), 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 05:50:22,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:22,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:22,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:22,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:22,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:22,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:50:22,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-01-26 05:50:22,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-01-26 05:50:22,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:23,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:23,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:23,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:23,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:23,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:23,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:50:23,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-01-26 05:50:23,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-01-26 05:50:23,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 05:50:23,492 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 05:50:23,688 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 05:50:23,688 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:50:23,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:50:23,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1617197888, now seen corresponding path program 8 times [2024-01-26 05:50:23,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:50:23,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875768849] [2024-01-26 05:50:23,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:50:23,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:50:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:24,380 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 27 proven. 112 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2024-01-26 05:50:24,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:50:24,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875768849] [2024-01-26 05:50:24,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875768849] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:50:24,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675106501] [2024-01-26 05:50:24,381 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 05:50:24,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:50:24,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:50:24,384 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 05:50:24,418 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 05:50:24,565 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 05:50:24,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:50:24,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 22 conjunts are in the unsatisfiable core [2024-01-26 05:50:24,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:50:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 46 proven. 93 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2024-01-26 05:50:25,163 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:50:25,725 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 75 proven. 64 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2024-01-26 05:50:25,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675106501] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:50:25,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:50:25,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2024-01-26 05:50:25,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707460402] [2024-01-26 05:50:25,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:50:25,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-01-26 05:50:25,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:50:25,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-01-26 05:50:25,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=2406, Unknown=0, NotChecked=0, Total=2862 [2024-01-26 05:50:25,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:25,728 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:50:25,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 7.2407407407407405) internal successors, (391), 54 states have internal predecessors, (391), 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 05:50:25,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:25,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:25,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:25,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:25,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:25,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:50:25,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-01-26 05:50:25,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-01-26 05:50:25,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 05:50:25,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:50:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2024-01-26 05:50:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-01-26 05:50:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 05:50:32,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-01-26 05:50:32,383 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 05:50:32,581 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 05:50:32,581 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:50:32,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:50:32,582 INFO L85 PathProgramCache]: Analyzing trace with hash 706548338, now seen corresponding path program 9 times [2024-01-26 05:50:32,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:50:32,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776300713] [2024-01-26 05:50:32,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:50:32,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:50:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:33,363 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 48 proven. 100 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2024-01-26 05:50:33,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:50:33,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776300713] [2024-01-26 05:50:33,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776300713] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:50:33,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566051992] [2024-01-26 05:50:33,364 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 05:50:33,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:50:33,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:50:33,385 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 05:50:33,416 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 05:50:33,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-01-26 05:50:33,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:50:33,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 20 conjunts are in the unsatisfiable core [2024-01-26 05:50:33,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:50:34,074 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 131 proven. 73 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-01-26 05:50:34,074 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:50:34,374 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 131 proven. 73 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-01-26 05:50:34,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566051992] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:50:34,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:50:34,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 21] total 43 [2024-01-26 05:50:34,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749196304] [2024-01-26 05:50:34,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:50:34,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-01-26 05:50:34,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:50:34,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-01-26 05:50:34,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1610, Unknown=0, NotChecked=0, Total=1806 [2024-01-26 05:50:34,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:34,378 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:50:34,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 11.69767441860465) internal successors, (503), 43 states have internal predecessors, (503), 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 05:50:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:50:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2024-01-26 05:50:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-01-26 05:50:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 05:50:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-01-26 05:50:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:50:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2024-01-26 05:50:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-01-26 05:50:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 05:50:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-01-26 05:50:40,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-01-26 05:50:40,224 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 05:50:40,424 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 05:50:40,424 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:50:40,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:50:40,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1086951126, now seen corresponding path program 10 times [2024-01-26 05:50:40,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:50:40,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448548277] [2024-01-26 05:50:40,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:50:40,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:50:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:41,268 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 170 proven. 112 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-01-26 05:50:41,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:50:41,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448548277] [2024-01-26 05:50:41,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448548277] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:50:41,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104495102] [2024-01-26 05:50:41,268 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 05:50:41,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:50:41,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:50:41,271 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 05:50:41,274 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 05:50:41,444 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 05:50:41,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:50:41,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 26 conjunts are in the unsatisfiable core [2024-01-26 05:50:41,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:50:42,186 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 207 proven. 75 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-01-26 05:50:42,186 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:50:42,816 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 207 proven. 75 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-01-26 05:50:42,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104495102] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:50:42,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:50:42,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2024-01-26 05:50:42,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146744467] [2024-01-26 05:50:42,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:50:42,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-01-26 05:50:42,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:50:42,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-01-26 05:50:42,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=3402, Unknown=0, NotChecked=0, Total=4032 [2024-01-26 05:50:42,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:42,820 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:50:42,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 6.8125) internal successors, (436), 64 states have internal predecessors, (436), 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 05:50:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:50:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2024-01-26 05:50:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-01-26 05:50:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 05:50:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-01-26 05:50:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-01-26 05:50:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:50:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2024-01-26 05:50:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-01-26 05:50:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 05:50:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-01-26 05:50:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-01-26 05:50:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-01-26 05:50:43,949 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 05:50:44,143 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 05:50:44,144 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:50:44,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:50:44,144 INFO L85 PathProgramCache]: Analyzing trace with hash 708091669, now seen corresponding path program 11 times [2024-01-26 05:50:44,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:50:44,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737342451] [2024-01-26 05:50:44,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:50:44,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:50:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 95 proven. 177 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2024-01-26 05:50:44,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:50:44,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737342451] [2024-01-26 05:50:44,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737342451] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:50:44,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581882160] [2024-01-26 05:50:44,859 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-01-26 05:50:44,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:50:44,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:50:44,860 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 05:50:44,862 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 05:50:50,481 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-01-26 05:50:50,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:50:50,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 30 conjunts are in the unsatisfiable core [2024-01-26 05:50:50,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:50:51,282 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 226 proven. 111 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2024-01-26 05:50:51,282 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:50:52,196 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 226 proven. 111 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2024-01-26 05:50:52,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581882160] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:50:52,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:50:52,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 31, 31] total 84 [2024-01-26 05:50:52,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103137812] [2024-01-26 05:50:52,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:50:52,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-01-26 05:50:52,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:50:52,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-01-26 05:50:52,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=6269, Unknown=0, NotChecked=0, Total=6972 [2024-01-26 05:50:52,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:52,200 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:50:52,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 7.785714285714286) internal successors, (654), 84 states have internal predecessors, (654), 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 05:50:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:50:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2024-01-26 05:50:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-01-26 05:50:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 05:50:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-01-26 05:50:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-01-26 05:50:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-01-26 05:50:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:50:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:50:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:50:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:50:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:50:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:50:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2024-01-26 05:50:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-01-26 05:50:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 05:50:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-01-26 05:50:55,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-01-26 05:50:55,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-01-26 05:50:55,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-01-26 05:50:55,910 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 05:50:56,099 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 05:50:56,099 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:50:56,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:50:56,100 INFO L85 PathProgramCache]: Analyzing trace with hash 543873230, now seen corresponding path program 12 times [2024-01-26 05:50:56,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:50:56,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707974237] [2024-01-26 05:50:56,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:50:56,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:50:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:50:56,939 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 116 proven. 216 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-01-26 05:50:56,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:50:56,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707974237] [2024-01-26 05:50:56,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707974237] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:50:56,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632415749] [2024-01-26 05:50:56,940 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-01-26 05:50:56,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:50:56,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:50:56,941 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:50:56,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-01-26 05:50:58,666 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-01-26 05:50:58,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:50:58,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 46 conjunts are in the unsatisfiable core [2024-01-26 05:50:58,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:50:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 137 proven. 128 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-01-26 05:50:59,838 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:51:01,040 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 154 proven. 111 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-01-26 05:51:01,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632415749] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:51:01,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:51:01,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 37, 32] total 93 [2024-01-26 05:51:01,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914090170] [2024-01-26 05:51:01,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:51:01,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-01-26 05:51:01,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:51:01,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-01-26 05:51:01,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1062, Invalid=7494, Unknown=0, NotChecked=0, Total=8556 [2024-01-26 05:51:01,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:51:01,045 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:51:01,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 7.139784946236559) internal successors, (664), 93 states have internal predecessors, (664), 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 05:51:01,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:51:01,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:51:01,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:51:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:51:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:51:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:51:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2024-01-26 05:51:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-01-26 05:51:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 05:51:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-01-26 05:51:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-01-26 05:51:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-01-26 05:51:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-01-26 05:51:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:51:18,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:51:18,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:51:18,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 05:51:18,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-01-26 05:51:18,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 05:51:18,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 05:51:18,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2024-01-26 05:51:18,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-01-26 05:51:18,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 05:51:18,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-01-26 05:51:18,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-01-26 05:51:18,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-01-26 05:51:18,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-01-26 05:51:18,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 528 states. [2024-01-26 05:51:18,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-01-26 05:51:19,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-01-26 05:51:19,064 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:51:19,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:51:19,064 INFO L85 PathProgramCache]: Analyzing trace with hash -572798842, now seen corresponding path program 13 times [2024-01-26 05:51:19,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:51:19,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382781830] [2024-01-26 05:51:19,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:51:19,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:51:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:51:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 72 proven. 881 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-01-26 05:51:58,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:51:58,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382781830] [2024-01-26 05:51:58,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382781830] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:51:58,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465102042] [2024-01-26 05:51:58,744 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-01-26 05:51:58,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:51:58,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:51:58,745 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:51:58,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-01-26 05:51:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:51:59,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 257 conjunts are in the unsatisfiable core [2024-01-26 05:51:59,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:51:59,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-01-26 05:52:01,676 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-01-26 05:52:01,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-01-26 05:52:03,179 INFO L349 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2024-01-26 05:52:03,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2024-01-26 05:52:11,849 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2024-01-26 05:52:11,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 17 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 30 case distinctions, treesize of input 83 treesize of output 104 [2024-01-26 05:52:14,272 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-01-26 05:52:14,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 17 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 36 case distinctions, treesize of input 156 treesize of output 139 [2024-01-26 05:52:17,179 INFO L349 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2024-01-26 05:52:17,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 23 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 50 case distinctions, treesize of input 142 treesize of output 158 [2024-01-26 05:52:18,428 INFO L349 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2024-01-26 05:52:18,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 23 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 52 case distinctions, treesize of input 193 treesize of output 180 [2024-01-26 05:52:19,781 INFO L349 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2024-01-26 05:52:19,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 23 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 55 case distinctions, treesize of input 209 treesize of output 193 [2024-01-26 05:52:21,185 INFO L349 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2024-01-26 05:52:21,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 19 select indices, 19 select index equivalence classes, 23 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 59 case distinctions, treesize of input 271 treesize of output 216 [2024-01-26 05:52:22,793 INFO L349 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2024-01-26 05:52:22,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 20 select indices, 20 select index equivalence classes, 23 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 64 case distinctions, treesize of input 286 treesize of output 228 [2024-01-26 05:52:38,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:52:38,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 21 select indices, 21 select index equivalence classes, 23 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 70 case distinctions, treesize of input 356 treesize of output 144 [2024-01-26 05:52:39,226 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 0 proven. 631 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-01-26 05:52:39,227 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:55:22,395 WARN L854 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int)) (let ((.cse6 (* c_thread2Thread1of1ForFork0_~i~1 4))) (let ((.cse16 (store (select |c_#memory_int| c_~C~0.base) (+ .cse6 ~C~0.offset) (+ (select (select |c_#memory_int| c_~A~0.base) (+ .cse6 c_~A~0.offset)) (select (select |c_#memory_int| c_~B~0.base) (+ .cse6 c_~B~0.offset)))))) (let ((.cse17 (store |c_#memory_int| c_~C~0.base .cse16))) (let ((.cse2 (select .cse17 c_~B~0.base))) (let ((.cse14 (store .cse16 (+ .cse6 ~C~0.offset 4) (+ (select (select .cse17 c_~A~0.base) (+ .cse6 c_~A~0.offset 4)) (select .cse2 (+ .cse6 4 c_~B~0.offset)))))) (let ((.cse15 (store |c_#memory_int| c_~C~0.base .cse14))) (let ((.cse0 (select .cse15 c_~B~0.base)) (.cse3 (select .cse15 c_~A~0.base))) (= (mod (let ((.cse1 (* c_thread1Thread1of1ForFork2_~i~0 4))) (+ (select .cse0 (+ .cse1 4 c_~B~0.offset)) c_~asum~0 (select .cse2 (+ .cse1 c_~B~0.offset)) c_~bsum~0 (select .cse3 (+ c_~A~0.offset .cse1 4)))) 4294967296) (mod (let ((.cse4 (let ((.cse5 (let ((.cse8 (let ((.cse10 (let ((.cse12 (store .cse14 (+ .cse6 ~C~0.offset 8) (+ (select .cse0 (+ .cse6 8 c_~B~0.offset)) (select .cse3 (+ .cse6 c_~A~0.offset 8)))))) (store .cse12 (+ .cse6 ~C~0.offset 12) (let ((.cse13 (store |c_#memory_int| c_~C~0.base .cse12))) (+ (select (select .cse13 c_~B~0.base) (+ .cse6 12 c_~B~0.offset)) (select (select .cse13 c_~A~0.base) (+ .cse6 c_~A~0.offset 12)))))))) (store .cse10 (+ .cse6 ~C~0.offset 16) (let ((.cse11 (store |c_#memory_int| c_~C~0.base .cse10))) (+ (select (select .cse11 c_~A~0.base) (+ .cse6 c_~A~0.offset 16)) (select (select .cse11 c_~B~0.base) (+ .cse6 16 c_~B~0.offset)))))))) (store .cse8 (+ .cse6 ~C~0.offset 20) (let ((.cse9 (store |c_#memory_int| c_~C~0.base .cse8))) (+ (select (select .cse9 c_~A~0.base) (+ .cse6 c_~A~0.offset 20)) (select (select .cse9 c_~B~0.base) (+ .cse6 20 c_~B~0.offset)))))))) (store .cse5 (+ .cse6 ~C~0.offset 24) (let ((.cse7 (store |c_#memory_int| c_~C~0.base .cse5))) (+ (select (select .cse7 c_~B~0.base) (+ .cse6 c_~B~0.offset 24)) (select (select .cse7 c_~A~0.base) (+ .cse6 c_~A~0.offset 24)))))))) (+ (select .cse4 (+ ~C~0.offset 24)) (select .cse4 (+ ~C~0.offset 12)) (select .cse4 (+ ~C~0.offset 20)) (select .cse4 (+ ~C~0.offset 4)) (select .cse4 (+ ~C~0.offset 8)) c_~csum~0 (select .cse4 (+ ~C~0.offset 16)) (select .cse4 ~C~0.offset))) 4294967296)))))))))) is different from false [2024-01-26 05:55:24,760 WARN L854 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int)) (let ((.cse0 (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset)) (.cse6 (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset))) (let ((.cse25 (store (select |c_#memory_int| c_~C~0.base) ~C~0.offset (+ .cse0 .cse6)))) (let ((.cse26 (store |c_#memory_int| c_~C~0.base .cse25))) (let ((.cse23 (select .cse26 c_~B~0.base))) (let ((.cse1 (select .cse23 (+ 4 c_~B~0.offset))) (.cse8 (select (select .cse26 c_~A~0.base) (+ c_~A~0.offset 4)))) (let ((.cse19 (store .cse25 (+ ~C~0.offset 4) (+ .cse1 .cse8)))) (let ((.cse24 (store |c_#memory_int| c_~C~0.base .cse19))) (let ((.cse21 (select .cse24 c_~B~0.base)) (.cse20 (select .cse24 c_~A~0.base))) (= (mod (let ((.cse2 (select .cse21 (+ 8 c_~B~0.offset))) (.cse7 (select .cse20 (+ c_~A~0.offset 8)))) (let ((.cse17 (store .cse19 (+ ~C~0.offset 8) (+ .cse2 .cse7)))) (let ((.cse18 (store |c_#memory_int| c_~C~0.base .cse17))) (let ((.cse9 (select (select .cse18 c_~B~0.base) (+ 12 c_~B~0.offset))) (.cse12 (select (select .cse18 c_~A~0.base) (+ c_~A~0.offset 12)))) (let ((.cse15 (store .cse17 (+ ~C~0.offset 12) (+ .cse9 .cse12)))) (let ((.cse16 (store |c_#memory_int| c_~C~0.base .cse15))) (let ((.cse3 (select (select .cse16 c_~B~0.base) (+ 16 c_~B~0.offset))) (.cse11 (select (select .cse16 c_~A~0.base) (+ c_~A~0.offset 16)))) (let ((.cse13 (store .cse15 (+ ~C~0.offset 16) (+ .cse3 .cse11)))) (let ((.cse14 (store |c_#memory_int| c_~C~0.base .cse13))) (let ((.cse5 (select (select .cse14 c_~A~0.base) (+ c_~A~0.offset 20))) (.cse10 (select (select .cse14 c_~B~0.base) (+ 20 c_~B~0.offset)))) (let ((.cse4 (store |c_#memory_int| c_~C~0.base (store .cse13 (+ ~C~0.offset 20) (+ .cse5 .cse10))))) (+ .cse0 .cse1 .cse2 .cse3 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 24)) .cse5 .cse6 .cse7 .cse8 c_~csum~0 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 24)) .cse9 .cse10 .cse11 .cse12)))))))))))) 4294967296) (mod (let ((.cse22 (* c_thread1Thread1of1ForFork2_~i~0 4))) (+ c_~asum~0 c_~bsum~0 (select .cse21 (+ .cse22 4 c_~B~0.offset)) (select .cse23 (+ .cse22 c_~B~0.offset)) (select .cse20 (+ c_~A~0.offset .cse22 4)))) 4294967296))))))))))) is different from false [2024-01-26 05:55:27,014 WARN L854 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int)) (let ((.cse4 (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset)) (.cse10 (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset))) (let ((.cse25 (store (select |c_#memory_int| c_~C~0.base) ~C~0.offset (+ .cse4 .cse10)))) (let ((.cse26 (store |c_#memory_int| c_~C~0.base .cse25))) (let ((.cse2 (select .cse26 c_~B~0.base))) (let ((.cse5 (select .cse2 (+ 4 c_~B~0.offset))) (.cse12 (select (select .cse26 c_~A~0.base) (+ c_~A~0.offset 4)))) (let ((.cse23 (store .cse25 (+ ~C~0.offset 4) (+ .cse5 .cse12)))) (let ((.cse24 (store |c_#memory_int| c_~C~0.base .cse23))) (let ((.cse3 (select .cse24 c_~A~0.base)) (.cse0 (select .cse24 c_~B~0.base))) (= (mod (let ((.cse1 (* c_thread1Thread1of1ForFork2_~i~0 4))) (+ c_~asum~0 |c_thread1Thread1of1ForFork2_#t~mem2| c_~bsum~0 (select .cse0 (+ .cse1 4 c_~B~0.offset)) (select .cse2 (+ .cse1 c_~B~0.offset)) (select .cse3 (+ c_~A~0.offset .cse1 4)))) 4294967296) (mod (let ((.cse6 (select .cse0 (+ 8 c_~B~0.offset))) (.cse11 (select .cse3 (+ c_~A~0.offset 8)))) (let ((.cse21 (store .cse23 (+ ~C~0.offset 8) (+ .cse6 .cse11)))) (let ((.cse22 (store |c_#memory_int| c_~C~0.base .cse21))) (let ((.cse13 (select (select .cse22 c_~B~0.base) (+ 12 c_~B~0.offset))) (.cse16 (select (select .cse22 c_~A~0.base) (+ c_~A~0.offset 12)))) (let ((.cse19 (store .cse21 (+ ~C~0.offset 12) (+ .cse13 .cse16)))) (let ((.cse20 (store |c_#memory_int| c_~C~0.base .cse19))) (let ((.cse7 (select (select .cse20 c_~B~0.base) (+ 16 c_~B~0.offset))) (.cse15 (select (select .cse20 c_~A~0.base) (+ c_~A~0.offset 16)))) (let ((.cse17 (store .cse19 (+ ~C~0.offset 16) (+ .cse7 .cse15)))) (let ((.cse18 (store |c_#memory_int| c_~C~0.base .cse17))) (let ((.cse9 (select (select .cse18 c_~A~0.base) (+ c_~A~0.offset 20))) (.cse14 (select (select .cse18 c_~B~0.base) (+ 20 c_~B~0.offset)))) (let ((.cse8 (store |c_#memory_int| c_~C~0.base (store .cse17 (+ ~C~0.offset 20) (+ .cse9 .cse14))))) (+ .cse4 .cse5 .cse6 .cse7 (select (select .cse8 c_~A~0.base) (+ c_~A~0.offset 24)) .cse9 .cse10 .cse11 .cse12 c_~csum~0 (select (select .cse8 c_~B~0.base) (+ c_~B~0.offset 24)) .cse13 .cse14 .cse15 .cse16)))))))))))) 4294967296))))))))))) is different from false [2024-01-26 05:55:29,209 WARN L854 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int)) (let ((.cse0 (select |c_#memory_int| c_~A~0.base))) (let ((.cse5 (select .cse0 c_~A~0.offset)) (.cse11 (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset))) (let ((.cse26 (store (select |c_#memory_int| c_~C~0.base) ~C~0.offset (+ .cse5 .cse11)))) (let ((.cse27 (store |c_#memory_int| c_~C~0.base .cse26))) (let ((.cse3 (select .cse27 c_~B~0.base))) (let ((.cse6 (select .cse3 (+ 4 c_~B~0.offset))) (.cse13 (select (select .cse27 c_~A~0.base) (+ c_~A~0.offset 4)))) (let ((.cse24 (store .cse26 (+ ~C~0.offset 4) (+ .cse6 .cse13)))) (let ((.cse25 (store |c_#memory_int| c_~C~0.base .cse24))) (let ((.cse4 (select .cse25 c_~A~0.base)) (.cse2 (select .cse25 c_~B~0.base))) (= (mod (let ((.cse1 (* c_thread1Thread1of1ForFork2_~i~0 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1)) c_~asum~0 c_~bsum~0 (select .cse2 (+ .cse1 4 c_~B~0.offset)) (select .cse3 (+ .cse1 c_~B~0.offset)) (select .cse4 (+ c_~A~0.offset .cse1 4)))) 4294967296) (mod (let ((.cse7 (select .cse2 (+ 8 c_~B~0.offset))) (.cse12 (select .cse4 (+ c_~A~0.offset 8)))) (let ((.cse22 (store .cse24 (+ ~C~0.offset 8) (+ .cse7 .cse12)))) (let ((.cse23 (store |c_#memory_int| c_~C~0.base .cse22))) (let ((.cse14 (select (select .cse23 c_~B~0.base) (+ 12 c_~B~0.offset))) (.cse17 (select (select .cse23 c_~A~0.base) (+ c_~A~0.offset 12)))) (let ((.cse20 (store .cse22 (+ ~C~0.offset 12) (+ .cse14 .cse17)))) (let ((.cse21 (store |c_#memory_int| c_~C~0.base .cse20))) (let ((.cse8 (select (select .cse21 c_~B~0.base) (+ 16 c_~B~0.offset))) (.cse16 (select (select .cse21 c_~A~0.base) (+ c_~A~0.offset 16)))) (let ((.cse18 (store .cse20 (+ ~C~0.offset 16) (+ .cse8 .cse16)))) (let ((.cse19 (store |c_#memory_int| c_~C~0.base .cse18))) (let ((.cse10 (select (select .cse19 c_~A~0.base) (+ c_~A~0.offset 20))) (.cse15 (select (select .cse19 c_~B~0.base) (+ 20 c_~B~0.offset)))) (let ((.cse9 (store |c_#memory_int| c_~C~0.base (store .cse18 (+ ~C~0.offset 20) (+ .cse10 .cse15))))) (+ .cse5 .cse6 .cse7 .cse8 (select (select .cse9 c_~A~0.base) (+ c_~A~0.offset 24)) .cse10 .cse11 .cse12 .cse13 c_~csum~0 (select (select .cse9 c_~B~0.base) (+ c_~B~0.offset 24)) .cse14 .cse15 .cse16 .cse17)))))))))))) 4294967296)))))))))))) is different from false [2024-01-26 05:55:31,490 WARN L854 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int)) (let ((.cse2 (select |c_#memory_int| c_~A~0.base))) (let ((.cse5 (select .cse2 c_~A~0.offset)) (.cse11 (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset))) (let ((.cse26 (store (select |c_#memory_int| c_~C~0.base) ~C~0.offset (+ .cse5 .cse11)))) (let ((.cse27 (store |c_#memory_int| c_~C~0.base .cse26))) (let ((.cse4 (select .cse27 c_~B~0.base))) (let ((.cse6 (select .cse4 (+ 4 c_~B~0.offset))) (.cse13 (select (select .cse27 c_~A~0.base) (+ c_~A~0.offset 4)))) (let ((.cse24 (store .cse26 (+ ~C~0.offset 4) (+ .cse6 .cse13)))) (let ((.cse25 (store |c_#memory_int| c_~C~0.base .cse24))) (let ((.cse3 (select .cse25 c_~A~0.base)) (.cse0 (select .cse25 c_~B~0.base))) (= (mod (let ((.cse1 (* |c_thread1Thread1of1ForFork2_#t~post1| 4))) (+ (select .cse0 (+ 8 .cse1 c_~B~0.offset)) c_~asum~0 c_~bsum~0 (select .cse2 (+ c_~A~0.offset .cse1 4)) (select .cse3 (+ c_~A~0.offset 8 .cse1)) (select .cse4 (+ .cse1 4 c_~B~0.offset)))) 4294967296) (mod (let ((.cse7 (select .cse0 (+ 8 c_~B~0.offset))) (.cse12 (select .cse3 (+ c_~A~0.offset 8)))) (let ((.cse22 (store .cse24 (+ ~C~0.offset 8) (+ .cse7 .cse12)))) (let ((.cse23 (store |c_#memory_int| c_~C~0.base .cse22))) (let ((.cse14 (select (select .cse23 c_~B~0.base) (+ 12 c_~B~0.offset))) (.cse17 (select (select .cse23 c_~A~0.base) (+ c_~A~0.offset 12)))) (let ((.cse20 (store .cse22 (+ ~C~0.offset 12) (+ .cse14 .cse17)))) (let ((.cse21 (store |c_#memory_int| c_~C~0.base .cse20))) (let ((.cse8 (select (select .cse21 c_~B~0.base) (+ 16 c_~B~0.offset))) (.cse16 (select (select .cse21 c_~A~0.base) (+ c_~A~0.offset 16)))) (let ((.cse18 (store .cse20 (+ ~C~0.offset 16) (+ .cse8 .cse16)))) (let ((.cse19 (store |c_#memory_int| c_~C~0.base .cse18))) (let ((.cse10 (select (select .cse19 c_~A~0.base) (+ c_~A~0.offset 20))) (.cse15 (select (select .cse19 c_~B~0.base) (+ 20 c_~B~0.offset)))) (let ((.cse9 (store |c_#memory_int| c_~C~0.base (store .cse18 (+ ~C~0.offset 20) (+ .cse10 .cse15))))) (+ .cse5 .cse6 .cse7 .cse8 (select (select .cse9 c_~A~0.base) (+ c_~A~0.offset 24)) .cse10 .cse11 .cse12 .cse13 c_~csum~0 (select (select .cse9 c_~B~0.base) (+ c_~B~0.offset 24)) .cse14 .cse15 .cse16 .cse17)))))))))))) 4294967296)))))))))))) is different from false [2024-01-26 05:58:14,979 WARN L854 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int)) (let ((.cse23 (select |c_#memory_int| c_~A~0.base))) (let ((.cse0 (select .cse23 c_~A~0.offset)) (.cse6 (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset))) (let ((.cse26 (store (select |c_#memory_int| c_~C~0.base) ~C~0.offset (+ .cse0 .cse6)))) (let ((.cse27 (store |c_#memory_int| c_~C~0.base .cse26))) (let ((.cse24 (select .cse27 c_~B~0.base))) (let ((.cse1 (select .cse24 (+ 4 c_~B~0.offset))) (.cse8 (select (select .cse27 c_~A~0.base) (+ c_~A~0.offset 4)))) (let ((.cse19 (store .cse26 (+ ~C~0.offset 4) (+ .cse1 .cse8)))) (let ((.cse25 (store |c_#memory_int| c_~C~0.base .cse19))) (let ((.cse20 (select .cse25 c_~A~0.base)) (.cse21 (select .cse25 c_~B~0.base))) (= (mod (let ((.cse2 (select .cse21 (+ 8 c_~B~0.offset))) (.cse7 (select .cse20 (+ c_~A~0.offset 8)))) (let ((.cse17 (store .cse19 (+ ~C~0.offset 8) (+ .cse2 .cse7)))) (let ((.cse18 (store |c_#memory_int| c_~C~0.base .cse17))) (let ((.cse9 (select (select .cse18 c_~B~0.base) (+ 12 c_~B~0.offset))) (.cse12 (select (select .cse18 c_~A~0.base) (+ c_~A~0.offset 12)))) (let ((.cse15 (store .cse17 (+ ~C~0.offset 12) (+ .cse9 .cse12)))) (let ((.cse16 (store |c_#memory_int| c_~C~0.base .cse15))) (let ((.cse3 (select (select .cse16 c_~B~0.base) (+ 16 c_~B~0.offset))) (.cse11 (select (select .cse16 c_~A~0.base) (+ c_~A~0.offset 16)))) (let ((.cse13 (store .cse15 (+ ~C~0.offset 16) (+ .cse3 .cse11)))) (let ((.cse14 (store |c_#memory_int| c_~C~0.base .cse13))) (let ((.cse5 (select (select .cse14 c_~A~0.base) (+ c_~A~0.offset 20))) (.cse10 (select (select .cse14 c_~B~0.base) (+ 20 c_~B~0.offset)))) (let ((.cse4 (store |c_#memory_int| c_~C~0.base (store .cse13 (+ ~C~0.offset 20) (+ .cse5 .cse10))))) (+ .cse0 .cse1 .cse2 .cse3 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 24)) .cse5 .cse6 .cse7 .cse8 c_~csum~0 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 24)) .cse9 .cse10 .cse11 .cse12)))))))))))) 4294967296) (mod (let ((.cse22 (* c_thread1Thread1of1ForFork2_~i~0 4))) (+ (select .cse20 (+ c_~A~0.offset .cse22 8)) (select .cse21 (+ .cse22 8 c_~B~0.offset)) c_~asum~0 c_~bsum~0 (select .cse23 (+ c_~A~0.offset .cse22 4)) |c_thread1Thread1of1ForFork2_#t~mem3| (select .cse24 (+ .cse22 4 c_~B~0.offset)))) 4294967296)))))))))))) is different from false [2024-01-26 05:58:17,073 WARN L854 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int)) (let ((.cse23 (select |c_#memory_int| c_~B~0.base)) (.cse24 (select |c_#memory_int| c_~A~0.base))) (let ((.cse0 (select .cse24 c_~A~0.offset)) (.cse6 (select .cse23 c_~B~0.offset))) (let ((.cse27 (store (select |c_#memory_int| c_~C~0.base) ~C~0.offset (+ .cse0 .cse6)))) (let ((.cse28 (store |c_#memory_int| c_~C~0.base .cse27))) (let ((.cse25 (select .cse28 c_~B~0.base))) (let ((.cse1 (select .cse25 (+ 4 c_~B~0.offset))) (.cse8 (select (select .cse28 c_~A~0.base) (+ c_~A~0.offset 4)))) (let ((.cse19 (store .cse27 (+ ~C~0.offset 4) (+ .cse1 .cse8)))) (let ((.cse26 (store |c_#memory_int| c_~C~0.base .cse19))) (let ((.cse20 (select .cse26 c_~A~0.base)) (.cse21 (select .cse26 c_~B~0.base))) (= (mod (let ((.cse2 (select .cse21 (+ 8 c_~B~0.offset))) (.cse7 (select .cse20 (+ c_~A~0.offset 8)))) (let ((.cse17 (store .cse19 (+ ~C~0.offset 8) (+ .cse2 .cse7)))) (let ((.cse18 (store |c_#memory_int| c_~C~0.base .cse17))) (let ((.cse9 (select (select .cse18 c_~B~0.base) (+ 12 c_~B~0.offset))) (.cse12 (select (select .cse18 c_~A~0.base) (+ c_~A~0.offset 12)))) (let ((.cse15 (store .cse17 (+ ~C~0.offset 12) (+ .cse9 .cse12)))) (let ((.cse16 (store |c_#memory_int| c_~C~0.base .cse15))) (let ((.cse3 (select (select .cse16 c_~B~0.base) (+ 16 c_~B~0.offset))) (.cse11 (select (select .cse16 c_~A~0.base) (+ c_~A~0.offset 16)))) (let ((.cse13 (store .cse15 (+ ~C~0.offset 16) (+ .cse3 .cse11)))) (let ((.cse14 (store |c_#memory_int| c_~C~0.base .cse13))) (let ((.cse5 (select (select .cse14 c_~A~0.base) (+ c_~A~0.offset 20))) (.cse10 (select (select .cse14 c_~B~0.base) (+ 20 c_~B~0.offset)))) (let ((.cse4 (store |c_#memory_int| c_~C~0.base (store .cse13 (+ ~C~0.offset 20) (+ .cse5 .cse10))))) (+ .cse0 .cse1 .cse2 .cse3 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 24)) .cse5 .cse6 .cse7 .cse8 c_~csum~0 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 24)) .cse9 .cse10 .cse11 .cse12)))))))))))) 4294967296) (mod (let ((.cse22 (* c_thread1Thread1of1ForFork2_~i~0 4))) (+ (select .cse20 (+ c_~A~0.offset .cse22 8)) (select .cse21 (+ .cse22 8 c_~B~0.offset)) (select .cse23 (+ .cse22 c_~B~0.offset)) c_~asum~0 c_~bsum~0 (select .cse24 (+ c_~A~0.offset .cse22 4)) (select .cse25 (+ .cse22 4 c_~B~0.offset)))) 4294967296)))))))))))) is different from false [2024-01-26 05:58:19,318 WARN L854 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int)) (let ((.cse3 (select |c_#memory_int| c_~B~0.base)) (.cse4 (select |c_#memory_int| c_~A~0.base))) (let ((.cse6 (select .cse4 c_~A~0.offset)) (.cse12 (select .cse3 c_~B~0.offset))) (let ((.cse27 (store (select |c_#memory_int| c_~C~0.base) ~C~0.offset (+ .cse6 .cse12)))) (let ((.cse28 (store |c_#memory_int| c_~C~0.base .cse27))) (let ((.cse5 (select .cse28 c_~B~0.base))) (let ((.cse7 (select .cse5 (+ 4 c_~B~0.offset))) (.cse14 (select (select .cse28 c_~A~0.base) (+ c_~A~0.offset 4)))) (let ((.cse25 (store .cse27 (+ ~C~0.offset 4) (+ .cse7 .cse14)))) (let ((.cse26 (store |c_#memory_int| c_~C~0.base .cse25))) (let ((.cse0 (select .cse26 c_~A~0.base)) (.cse2 (select .cse26 c_~B~0.base))) (= (mod (let ((.cse1 (* c_thread1Thread1of1ForFork2_~i~0 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 8)) (select .cse2 (+ .cse1 8 c_~B~0.offset)) (select .cse3 (+ .cse1 c_~B~0.offset)) c_~asum~0 |c_thread1Thread1of1ForFork2_#t~mem2| c_~bsum~0 (select .cse4 (+ c_~A~0.offset .cse1 4)) (select .cse5 (+ .cse1 4 c_~B~0.offset)))) 4294967296) (mod (let ((.cse8 (select .cse2 (+ 8 c_~B~0.offset))) (.cse13 (select .cse0 (+ c_~A~0.offset 8)))) (let ((.cse23 (store .cse25 (+ ~C~0.offset 8) (+ .cse8 .cse13)))) (let ((.cse24 (store |c_#memory_int| c_~C~0.base .cse23))) (let ((.cse15 (select (select .cse24 c_~B~0.base) (+ 12 c_~B~0.offset))) (.cse18 (select (select .cse24 c_~A~0.base) (+ c_~A~0.offset 12)))) (let ((.cse21 (store .cse23 (+ ~C~0.offset 12) (+ .cse15 .cse18)))) (let ((.cse22 (store |c_#memory_int| c_~C~0.base .cse21))) (let ((.cse9 (select (select .cse22 c_~B~0.base) (+ 16 c_~B~0.offset))) (.cse17 (select (select .cse22 c_~A~0.base) (+ c_~A~0.offset 16)))) (let ((.cse19 (store .cse21 (+ ~C~0.offset 16) (+ .cse9 .cse17)))) (let ((.cse20 (store |c_#memory_int| c_~C~0.base .cse19))) (let ((.cse11 (select (select .cse20 c_~A~0.base) (+ c_~A~0.offset 20))) (.cse16 (select (select .cse20 c_~B~0.base) (+ 20 c_~B~0.offset)))) (let ((.cse10 (store |c_#memory_int| c_~C~0.base (store .cse19 (+ ~C~0.offset 20) (+ .cse11 .cse16))))) (+ .cse6 .cse7 .cse8 .cse9 (select (select .cse10 c_~A~0.base) (+ c_~A~0.offset 24)) .cse11 .cse12 .cse13 .cse14 c_~csum~0 (select (select .cse10 c_~B~0.base) (+ c_~B~0.offset 24)) .cse15 .cse16 .cse17 .cse18)))))))))))) 4294967296)))))))))))) is different from false [2024-01-26 06:02:16,990 WARN L854 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int)) (let ((.cse25 (select |c_#memory_int| c_~B~0.base)) (.cse24 (select |c_#memory_int| c_~A~0.base))) (let ((.cse0 (select .cse24 c_~A~0.offset)) (.cse6 (select .cse25 c_~B~0.offset))) (let ((.cse27 (store (select |c_#memory_int| c_~C~0.base) ~C~0.offset (+ .cse0 .cse6)))) (let ((.cse28 (store |c_#memory_int| c_~C~0.base .cse27))) (let ((.cse22 (select .cse28 c_~B~0.base))) (let ((.cse1 (select .cse22 (+ 4 c_~B~0.offset))) (.cse8 (select (select .cse28 c_~A~0.base) (+ c_~A~0.offset 4)))) (let ((.cse19 (store .cse27 (+ ~C~0.offset 4) (+ .cse1 .cse8)))) (let ((.cse26 (store |c_#memory_int| c_~C~0.base .cse19))) (let ((.cse20 (select .cse26 c_~A~0.base)) (.cse21 (select .cse26 c_~B~0.base))) (= (mod (let ((.cse2 (select .cse21 (+ 8 c_~B~0.offset))) (.cse7 (select .cse20 (+ c_~A~0.offset 8)))) (let ((.cse17 (store .cse19 (+ ~C~0.offset 8) (+ .cse2 .cse7)))) (let ((.cse18 (store |c_#memory_int| c_~C~0.base .cse17))) (let ((.cse9 (select (select .cse18 c_~B~0.base) (+ 12 c_~B~0.offset))) (.cse12 (select (select .cse18 c_~A~0.base) (+ c_~A~0.offset 12)))) (let ((.cse15 (store .cse17 (+ ~C~0.offset 12) (+ .cse9 .cse12)))) (let ((.cse16 (store |c_#memory_int| c_~C~0.base .cse15))) (let ((.cse3 (select (select .cse16 c_~B~0.base) (+ 16 c_~B~0.offset))) (.cse11 (select (select .cse16 c_~A~0.base) (+ c_~A~0.offset 16)))) (let ((.cse13 (store .cse15 (+ ~C~0.offset 16) (+ .cse3 .cse11)))) (let ((.cse14 (store |c_#memory_int| c_~C~0.base .cse13))) (let ((.cse5 (select (select .cse14 c_~A~0.base) (+ c_~A~0.offset 20))) (.cse10 (select (select .cse14 c_~B~0.base) (+ 20 c_~B~0.offset)))) (let ((.cse4 (store |c_#memory_int| c_~C~0.base (store .cse13 (+ ~C~0.offset 20) (+ .cse5 .cse10))))) (+ .cse0 .cse1 .cse2 .cse3 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 24)) .cse5 .cse6 .cse7 .cse8 c_~csum~0 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 24)) .cse9 .cse10 .cse11 .cse12)))))))))))) 4294967296) (mod (let ((.cse23 (* |c_thread1Thread1of1ForFork2_#t~post1| 4))) (+ (select .cse22 (+ 8 .cse23 c_~B~0.offset)) (select .cse20 (+ c_~A~0.offset 12 .cse23)) c_~asum~0 c_~bsum~0 (select .cse21 (+ 12 .cse23 c_~B~0.offset)) (select .cse24 (+ c_~A~0.offset .cse23 4)) (select .cse24 (+ c_~A~0.offset 8 .cse23)) (select .cse25 (+ .cse23 4 c_~B~0.offset)))) 4294967296)))))))))))) is different from false [2024-01-26 06:02:19,186 WARN L854 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int)) (let ((.cse24 (select |c_#memory_int| c_~B~0.base)) (.cse22 (select |c_#memory_int| c_~A~0.base))) (let ((.cse0 (select .cse22 c_~A~0.offset)) (.cse6 (select .cse24 c_~B~0.offset))) (let ((.cse27 (store (select |c_#memory_int| c_~C~0.base) ~C~0.offset (+ .cse0 .cse6)))) (let ((.cse28 (store |c_#memory_int| c_~C~0.base .cse27))) (let ((.cse25 (select .cse28 c_~B~0.base))) (let ((.cse1 (select .cse25 (+ 4 c_~B~0.offset))) (.cse8 (select (select .cse28 c_~A~0.base) (+ c_~A~0.offset 4)))) (let ((.cse19 (store .cse27 (+ ~C~0.offset 4) (+ .cse1 .cse8)))) (let ((.cse26 (store |c_#memory_int| c_~C~0.base .cse19))) (let ((.cse20 (select .cse26 c_~A~0.base)) (.cse21 (select .cse26 c_~B~0.base))) (= (mod (let ((.cse2 (select .cse21 (+ 8 c_~B~0.offset))) (.cse7 (select .cse20 (+ c_~A~0.offset 8)))) (let ((.cse17 (store .cse19 (+ ~C~0.offset 8) (+ .cse2 .cse7)))) (let ((.cse18 (store |c_#memory_int| c_~C~0.base .cse17))) (let ((.cse9 (select (select .cse18 c_~B~0.base) (+ 12 c_~B~0.offset))) (.cse12 (select (select .cse18 c_~A~0.base) (+ c_~A~0.offset 12)))) (let ((.cse15 (store .cse17 (+ ~C~0.offset 12) (+ .cse9 .cse12)))) (let ((.cse16 (store |c_#memory_int| c_~C~0.base .cse15))) (let ((.cse3 (select (select .cse16 c_~B~0.base) (+ 16 c_~B~0.offset))) (.cse11 (select (select .cse16 c_~A~0.base) (+ c_~A~0.offset 16)))) (let ((.cse13 (store .cse15 (+ ~C~0.offset 16) (+ .cse3 .cse11)))) (let ((.cse14 (store |c_#memory_int| c_~C~0.base .cse13))) (let ((.cse5 (select (select .cse14 c_~A~0.base) (+ c_~A~0.offset 20))) (.cse10 (select (select .cse14 c_~B~0.base) (+ 20 c_~B~0.offset)))) (let ((.cse4 (store |c_#memory_int| c_~C~0.base (store .cse13 (+ ~C~0.offset 20) (+ .cse5 .cse10))))) (+ .cse0 .cse1 .cse2 .cse3 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 24)) .cse5 .cse6 .cse7 .cse8 c_~csum~0 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 24)) .cse9 .cse10 .cse11 .cse12)))))))))))) 4294967296) (mod (let ((.cse23 (* c_thread1Thread1of1ForFork2_~i~0 4))) (+ (select .cse22 (+ c_~A~0.offset .cse23 8)) c_~asum~0 (select .cse24 (+ .cse23 4 c_~B~0.offset)) c_~bsum~0 (select .cse20 (+ c_~A~0.offset .cse23 12)) (select .cse22 (+ c_~A~0.offset .cse23 4)) (select .cse21 (+ .cse23 12 c_~B~0.offset)) (select .cse25 (+ .cse23 8 c_~B~0.offset)))) 4294967296)))))))))))) is different from false [2024-01-26 06:02:21,346 WARN L854 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int)) (let ((.cse24 (select |c_#memory_int| c_~B~0.base)) (.cse22 (select |c_#memory_int| c_~A~0.base))) (let ((.cse0 (select .cse22 c_~A~0.offset)) (.cse6 (select .cse24 c_~B~0.offset))) (let ((.cse27 (store (select |c_#memory_int| c_~C~0.base) ~C~0.offset (+ .cse0 .cse6)))) (let ((.cse28 (store |c_#memory_int| c_~C~0.base .cse27))) (let ((.cse25 (select .cse28 c_~B~0.base))) (let ((.cse1 (select .cse25 (+ 4 c_~B~0.offset))) (.cse8 (select (select .cse28 c_~A~0.base) (+ c_~A~0.offset 4)))) (let ((.cse19 (store .cse27 (+ ~C~0.offset 4) (+ .cse1 .cse8)))) (let ((.cse26 (store |c_#memory_int| c_~C~0.base .cse19))) (let ((.cse20 (select .cse26 c_~A~0.base)) (.cse21 (select .cse26 c_~B~0.base))) (= (mod (let ((.cse2 (select .cse21 (+ 8 c_~B~0.offset))) (.cse7 (select .cse20 (+ c_~A~0.offset 8)))) (let ((.cse17 (store .cse19 (+ ~C~0.offset 8) (+ .cse2 .cse7)))) (let ((.cse18 (store |c_#memory_int| c_~C~0.base .cse17))) (let ((.cse9 (select (select .cse18 c_~B~0.base) (+ 12 c_~B~0.offset))) (.cse12 (select (select .cse18 c_~A~0.base) (+ c_~A~0.offset 12)))) (let ((.cse15 (store .cse17 (+ ~C~0.offset 12) (+ .cse9 .cse12)))) (let ((.cse16 (store |c_#memory_int| c_~C~0.base .cse15))) (let ((.cse3 (select (select .cse16 c_~B~0.base) (+ 16 c_~B~0.offset))) (.cse11 (select (select .cse16 c_~A~0.base) (+ c_~A~0.offset 16)))) (let ((.cse13 (store .cse15 (+ ~C~0.offset 16) (+ .cse3 .cse11)))) (let ((.cse14 (store |c_#memory_int| c_~C~0.base .cse13))) (let ((.cse5 (select (select .cse14 c_~A~0.base) (+ c_~A~0.offset 20))) (.cse10 (select (select .cse14 c_~B~0.base) (+ 20 c_~B~0.offset)))) (let ((.cse4 (store |c_#memory_int| c_~C~0.base (store .cse13 (+ ~C~0.offset 20) (+ .cse5 .cse10))))) (+ .cse0 .cse1 .cse2 .cse3 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 24)) .cse5 .cse6 .cse7 .cse8 c_~csum~0 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 24)) .cse9 .cse10 .cse11 .cse12)))))))))))) 4294967296) (mod (let ((.cse23 (* c_thread1Thread1of1ForFork2_~i~0 4))) (+ (select .cse22 (+ c_~A~0.offset .cse23 8)) c_~asum~0 (select .cse24 (+ .cse23 4 c_~B~0.offset)) c_~bsum~0 (select .cse20 (+ c_~A~0.offset .cse23 12)) (select .cse22 (+ c_~A~0.offset .cse23 4)) |c_thread1Thread1of1ForFork2_#t~mem3| (select .cse21 (+ .cse23 12 c_~B~0.offset)) (select .cse25 (+ .cse23 8 c_~B~0.offset)))) 4294967296)))))))))))) is different from false Received shutdown request... [2024-01-26 06:04:03,514 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 06:04:03,515 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 06:04:03,515 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 06:04:04,120 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 06:04:04,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-01-26 06:04:04,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-01-26 06:04:04,321 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 467 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 313 known predicates. [2024-01-26 06:04:04,325 INFO L445 BasicCegarLoop]: Path program histogram: [13, 1, 1] [2024-01-26 06:04:04,326 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-01-26 06:04:04,327 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 06:04:04,327 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 06:04:04,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 06:04:04 BasicIcfg [2024-01-26 06:04:04,328 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 06:04:04,329 INFO L158 Benchmark]: Toolchain (without parser) took 839674.72ms. Allocated memory was 207.6MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 159.6MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2024-01-26 06:04:04,329 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 207.6MB. Free memory is still 161.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 06:04:04,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.36ms. Allocated memory is still 207.6MB. Free memory was 159.6MB in the beginning and 147.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-01-26 06:04:04,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.30ms. Allocated memory is still 207.6MB. Free memory was 147.2MB in the beginning and 145.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 06:04:04,329 INFO L158 Benchmark]: Boogie Preprocessor took 24.99ms. Allocated memory is still 207.6MB. Free memory was 145.0MB in the beginning and 143.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 06:04:04,329 INFO L158 Benchmark]: RCFGBuilder took 556.33ms. Allocated memory is still 207.6MB. Free memory was 143.2MB in the beginning and 176.5MB in the end (delta: -33.3MB). Peak memory consumption was 27.1MB. Max. memory is 8.0GB. [2024-01-26 06:04:04,330 INFO L158 Benchmark]: TraceAbstraction took 838783.49ms. Allocated memory was 207.6MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 175.9MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2024-01-26 06:04:04,330 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 207.6MB. Free memory is still 161.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 258.36ms. Allocated memory is still 207.6MB. Free memory was 159.6MB in the beginning and 147.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.30ms. Allocated memory is still 207.6MB. Free memory was 147.2MB in the beginning and 145.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.99ms. Allocated memory is still 207.6MB. Free memory was 145.0MB in the beginning and 143.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 556.33ms. Allocated memory is still 207.6MB. Free memory was 143.2MB in the beginning and 176.5MB in the end (delta: -33.3MB). Peak memory consumption was 27.1MB. Max. memory is 8.0GB. * TraceAbstraction took 838783.49ms. Allocated memory was 207.6MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 175.9MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 243871, independent: 227387, independent conditional: 227387, independent unconditional: 0, dependent: 16484, dependent conditional: 16484, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 229222, independent: 227387, independent conditional: 227387, independent unconditional: 0, dependent: 1835, dependent conditional: 1835, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 229222, independent: 227387, independent conditional: 227387, independent unconditional: 0, dependent: 1835, dependent conditional: 1835, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 250734, independent: 227387, independent conditional: 312, independent unconditional: 227075, dependent: 23347, dependent conditional: 21200, dependent unconditional: 2147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 250734, independent: 227387, independent conditional: 312, independent unconditional: 227075, dependent: 23347, dependent conditional: 7882, dependent unconditional: 15465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 250734, independent: 227387, independent conditional: 312, independent unconditional: 227075, dependent: 23347, dependent conditional: 7882, dependent unconditional: 15465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 753, independent: 487, independent conditional: 10, independent unconditional: 477, dependent: 266, dependent conditional: 262, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 753, independent: 477, independent conditional: 0, independent unconditional: 477, dependent: 276, dependent conditional: 0, dependent unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 276, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 266, dependent conditional: 262, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 276, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 266, dependent conditional: 262, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 667, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 649, dependent conditional: 601, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 250734, independent: 226900, independent conditional: 302, independent unconditional: 226598, dependent: 23081, dependent conditional: 7620, dependent unconditional: 15461, unknown: 753, unknown conditional: 272, unknown unconditional: 481] , Statistics on independence cache: Total cache size (in pairs): 753, Positive cache size: 487, Positive conditional cache size: 10, Positive unconditional cache size: 477, Negative cache size: 266, Negative conditional cache size: 262, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13318, Maximal queried relation: 14, Independence queries for same thread: 14649 - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 467 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 313 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 261 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 838.6s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 41.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1370, 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: 0.5s SsaConstructionTime, 8.8s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 8311 NumberOfCodeBlocks, 8196 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 12224 ConstructedInterpolants, 0 QuantifiedInterpolants, 36566 SizeOfPredicates, 230 NumberOfNonLiveVariables, 7981 ConjunctsInSsa, 246 ConjunctsInUnsatCore, 38 InterpolantComputations, 2 PerfectInterpolantSequences, 9912/12257 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