/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 --traceabstraction.abstraction.used.for.commutativity.in.por VARIABLES_GLOBAL -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 09:05:17,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 09:05:17,802 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-01-26 09:05:17,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 09:05:17,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 09:05:17,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 09:05:17,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 09:05:17,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 09:05:17,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 09:05:17,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 09:05:17,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 09:05:17,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 09:05:17,841 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 09:05:17,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 09:05:17,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 09:05:17,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 09:05:17,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 09:05:17,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 09:05:17,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 09:05:17,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 09:05:17,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 09:05:17,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 09:05:17,847 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 09:05:17,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 09:05:17,847 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 09:05:17,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 09:05:17,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 09:05:17,848 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 09:05:17,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 09:05:17,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 09:05:17,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 09:05:17,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 09:05:17,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 09:05:17,850 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 09:05:17,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 09:05:17,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 09:05:17,850 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 09:05:17,850 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 09:05:17,850 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-01-26 09:05:17,850 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR -> VARIABLES_GLOBAL [2024-01-26 09:05:18,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 09:05:18,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 09:05:18,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 09:05:18,106 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 09:05:18,106 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 09:05:18,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2024-01-26 09:05:19,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 09:05:19,458 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 09:05:19,458 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2024-01-26 09:05:19,466 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dc0a86a26/05ef8e487ca347b7b9bfec06879ca130/FLAG4e6fa1b81 [2024-01-26 09:05:19,482 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dc0a86a26/05ef8e487ca347b7b9bfec06879ca130 [2024-01-26 09:05:19,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 09:05:19,485 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 09:05:19,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 09:05:19,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 09:05:19,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 09:05:19,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 09:05:19" (1/1) ... [2024-01-26 09:05:19,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237f4f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:05:19, skipping insertion in model container [2024-01-26 09:05:19,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 09:05:19" (1/1) ... [2024-01-26 09:05:19,517 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 09:05:19,658 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-more-mts.wvr.c[2572,2585] [2024-01-26 09:05:19,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 09:05:19,677 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 09:05:19,697 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-more-mts.wvr.c[2572,2585] [2024-01-26 09:05:19,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 09:05:19,714 INFO L206 MainTranslator]: Completed translation [2024-01-26 09:05:19,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:05:19 WrapperNode [2024-01-26 09:05:19,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 09:05:19,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 09:05:19,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 09:05:19,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 09:05:19,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:05:19" (1/1) ... [2024-01-26 09:05:19,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:05:19" (1/1) ... [2024-01-26 09:05:19,760 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 13, calls inlined = 19, statements flattened = 234 [2024-01-26 09:05:19,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 09:05:19,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 09:05:19,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 09:05:19,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 09:05:19,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:05:19" (1/1) ... [2024-01-26 09:05:19,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:05:19" (1/1) ... [2024-01-26 09:05:19,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:05:19" (1/1) ... [2024-01-26 09:05:19,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:05:19" (1/1) ... [2024-01-26 09:05:19,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:05:19" (1/1) ... [2024-01-26 09:05:19,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:05:19" (1/1) ... [2024-01-26 09:05:19,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:05:19" (1/1) ... [2024-01-26 09:05:19,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:05:19" (1/1) ... [2024-01-26 09:05:19,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 09:05:19,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 09:05:19,798 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 09:05:19,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 09:05:19,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:05:19" (1/1) ... [2024-01-26 09:05:19,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 09:05:19,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:05:19,835 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 09:05:19,847 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 09:05:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 09:05:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 09:05:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 09:05:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 09:05:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 09:05:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 09:05:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 09:05:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 09:05:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 09:05:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 09:05:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 09:05:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 09:05:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 09:05:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 09:05:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 09:05:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 09:05:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 09:05:19,877 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 09:05:19,982 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 09:05:19,983 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 09:05:20,340 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 09:05:20,450 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 09:05:20,451 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-01-26 09:05:20,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 09:05:20 BoogieIcfgContainer [2024-01-26 09:05:20,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 09:05:20,454 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 09:05:20,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 09:05:20,457 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 09:05:20,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 09:05:19" (1/3) ... [2024-01-26 09:05:20,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51661326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 09:05:20, skipping insertion in model container [2024-01-26 09:05:20,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:05:19" (2/3) ... [2024-01-26 09:05:20,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51661326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 09:05:20, skipping insertion in model container [2024-01-26 09:05:20,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 09:05:20" (3/3) ... [2024-01-26 09:05:20,462 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-mts.wvr.c [2024-01-26 09:05:20,471 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 09:05:20,507 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 09:05:20,507 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 09:05:20,507 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 09:05:20,652 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-26 09:05:20,704 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 09:05:20,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 09:05:20,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:05:20,712 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 09:05:20,728 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 09:05:20,791 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 09:05:20,797 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 09:05:20,802 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;@106cb7fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 09:05:20,803 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-26 09:05:22,084 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:05:22,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:05:22,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1769075012, now seen corresponding path program 1 times [2024-01-26 09:05:22,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:05:22,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004040580] [2024-01-26 09:05:22,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:05:22,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:05:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:05:22,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 09:05:22,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:05:22,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004040580] [2024-01-26 09:05:22,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004040580] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 09:05:22,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 09:05:22,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 09:05:22,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244017699] [2024-01-26 09:05:22,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 09:05:22,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 09:05:22,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:05:22,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 09:05:22,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 09:05:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:22,419 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:05:22,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 58.0) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 09:05:22,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:23,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:23,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 09:05:23,086 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:05:23,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:05:23,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1224980583, now seen corresponding path program 1 times [2024-01-26 09:05:23,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:05:23,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626777814] [2024-01-26 09:05:23,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:05:23,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:05:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:05:23,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 09:05:23,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:05:23,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626777814] [2024-01-26 09:05:23,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626777814] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 09:05:23,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 09:05:23,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-26 09:05:23,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068039310] [2024-01-26 09:05:23,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 09:05:23,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-26 09:05:23,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:05:23,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-26 09:05:23,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-01-26 09:05:23,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:23,692 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:05:23,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 09:05:23,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:23,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:24,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:24,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:05:24,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 09:05:24,534 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:05:24,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:05:24,535 INFO L85 PathProgramCache]: Analyzing trace with hash 331448368, now seen corresponding path program 1 times [2024-01-26 09:05:24,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:05:24,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347319367] [2024-01-26 09:05:24,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:05:24,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:05:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:05:24,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 09:05:24,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:05:24,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347319367] [2024-01-26 09:05:24,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347319367] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 09:05:24,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 09:05:24,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-01-26 09:05:24,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897474759] [2024-01-26 09:05:24,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 09:05:24,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-01-26 09:05:24,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:05:24,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-01-26 09:05:24,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-01-26 09:05:24,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:24,879 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:05:24,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.7) internal successors, (117), 10 states have internal predecessors, (117), 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 09:05:24,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:24,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:05:24,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:25,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:25,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:05:25,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:05:25,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-26 09:05:25,556 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:05:25,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:05:25,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1372684986, now seen corresponding path program 1 times [2024-01-26 09:05:25,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:05:25,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706902316] [2024-01-26 09:05:25,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:05:25,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:05:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:05:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 09:05:25,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:05:25,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706902316] [2024-01-26 09:05:25,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706902316] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:05:25,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162539903] [2024-01-26 09:05:25,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:05:25,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:05:25,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:05:25,838 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 09:05:25,846 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 09:05:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:05:25,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 6 conjunts are in the unsatisfiable core [2024-01-26 09:05:25,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:05:26,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 09:05:26,097 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:05:26,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 09:05:26,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162539903] provided 1 perfect and 1 imperfect interpolant sequences [2024-01-26 09:05:26,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-01-26 09:05:26,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2024-01-26 09:05:26,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429005301] [2024-01-26 09:05:26,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 09:05:26,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-01-26 09:05:26,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:05:26,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-01-26 09:05:26,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-01-26 09:05:26,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:26,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:05:26,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 09:05:26,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:26,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:05:26,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:05:26,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:26,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:26,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:05:26,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:05:26,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:05:26,428 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 09:05:26,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:05:26,628 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:05:26,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:05:26,629 INFO L85 PathProgramCache]: Analyzing trace with hash -536348462, now seen corresponding path program 1 times [2024-01-26 09:05:26,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:05:26,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182036339] [2024-01-26 09:05:26,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:05:26,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:05:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:05:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 09:05:28,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:05:28,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182036339] [2024-01-26 09:05:28,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182036339] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:05:28,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057156066] [2024-01-26 09:05:28,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:05:28,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:05:28,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:05:28,785 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 09:05:28,801 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 09:05:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:05:28,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 77 conjunts are in the unsatisfiable core [2024-01-26 09:05:28,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:05:29,116 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 09:05:29,201 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-01-26 09:05:29,202 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 14 treesize of output 13 [2024-01-26 09:05:29,286 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2024-01-26 09:05:29,287 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 16 treesize of output 22 [2024-01-26 09:05:30,000 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-01-26 09:05:30,000 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 20 treesize of output 30 [2024-01-26 09:05:30,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-01-26 09:05:31,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-01-26 09:05:31,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 treesize of output 1 [2024-01-26 09:05:31,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-01-26 09:05:32,727 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 09:05:32,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 34 [2024-01-26 09:05:33,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 09:05:33,102 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:05:35,981 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ c_~A~0.offset (* c_~N~0 4) (- 4)))) (and (forall ((v_ArrVal_113 (Array Int Int)) (v_ArrVal_114 (Array Int Int))) (let ((.cse1 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_113) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_114) c_~A~0.base))) (let ((.cse0 (+ (select .cse1 .cse2) c_~mts3~0))) (or (= .cse0 0) (< 0 (+ (select .cse1 c_~A~0.offset) c_~mts1~0 1)) (< .cse0 0))))) (forall ((v_ArrVal_113 (Array Int Int)) (v_ArrVal_114 (Array Int Int))) (let ((.cse3 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_113) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_114) c_~A~0.base))) (or (< (+ (select .cse3 .cse2) c_~sum~0 c_~mts2~0) 1) (< 0 (+ (select .cse3 c_~A~0.offset) c_~mts1~0 1))))))) is different from false [2024-01-26 09:05:36,090 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~A~0.offset (* c_~N~0 4) (- 4)))) (and (forall ((v_ArrVal_113 (Array Int Int)) (v_ArrVal_112 (Array Int Int)) (v_ArrVal_114 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_112) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_113) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_114) c_~A~0.base))) (or (< (+ (select .cse0 .cse1) c_~sum~0 c_~mts2~0) 1) (< 0 (+ c_~mts1~0 (select .cse0 c_~A~0.offset) 1))))) (forall ((v_ArrVal_113 (Array Int Int)) (v_ArrVal_112 (Array Int Int)) (v_ArrVal_114 (Array Int Int))) (let ((.cse3 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_112) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_113) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_114) c_~A~0.base))) (let ((.cse2 (+ (select .cse3 .cse1) c_~mts3~0))) (or (= .cse2 0) (< .cse2 0) (< 0 (+ c_~mts1~0 (select .cse3 c_~A~0.offset) 1)))))))) is different from false [2024-01-26 09:05:36,309 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_main_#t~ret20#1.offset| (* c_~N~0 4) (- 4)))) (and (forall ((v_ArrVal_113 (Array Int Int)) (v_ArrVal_112 (Array Int Int)) (v_ArrVal_114 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_112) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_113) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_114) |c_ULTIMATE.start_main_#t~ret20#1.base|))) (or (< 0 (+ c_~mts1~0 (select .cse0 |c_ULTIMATE.start_main_#t~ret20#1.offset|) 1)) (< (+ c_~sum~0 c_~mts2~0 (select .cse0 .cse1)) 1)))) (forall ((v_ArrVal_113 (Array Int Int)) (v_ArrVal_112 (Array Int Int)) (v_ArrVal_114 (Array Int Int))) (let ((.cse2 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_112) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_113) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_114) |c_ULTIMATE.start_main_#t~ret20#1.base|))) (let ((.cse3 (+ c_~mts3~0 (select .cse2 .cse1)))) (or (< 0 (+ c_~mts1~0 (select .cse2 |c_ULTIMATE.start_main_#t~ret20#1.offset|) 1)) (< .cse3 0) (= .cse3 0))))))) is different from false [2024-01-26 09:05:36,369 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ (* c_~N~0 4) (- 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (and (forall ((v_ArrVal_113 (Array Int Int)) (v_ArrVal_112 (Array Int Int)) (v_ArrVal_114 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_112) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_113) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_114) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (< 0 (+ (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) c_~mts1~0 1)) (< (+ (select .cse0 .cse1) c_~sum~0 c_~mts2~0) 1)))) (forall ((v_ArrVal_113 (Array Int Int)) (v_ArrVal_112 (Array Int Int)) (v_ArrVal_114 (Array Int Int))) (let ((.cse2 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_112) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_113) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_114) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (let ((.cse3 (+ (select .cse2 .cse1) c_~mts3~0))) (or (< 0 (+ (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) c_~mts1~0 1)) (= .cse3 0) (< .cse3 0))))))) is different from false [2024-01-26 09:05:36,400 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ (* c_~N~0 4) (- 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_113 (Array Int Int)) (v_ArrVal_112 (Array Int Int)) (v_ArrVal_114 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_112) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_113) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_114) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (< (+ c_~sum~0 (select .cse0 .cse1) c_~mts2~0) 1) (< 0 (+ (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) c_~mts1~0 1))))) (forall ((v_ArrVal_113 (Array Int Int)) (v_ArrVal_112 (Array Int Int)) (v_ArrVal_114 (Array Int Int))) (let ((.cse2 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_112) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_113) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_114) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse3 (+ c_~mts3~0 (select .cse2 .cse1)))) (or (< 0 (+ (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) c_~mts1~0 1)) (< .cse3 0) (= .cse3 0))))))) is different from false [2024-01-26 09:05:36,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 09:05:36,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 102 treesize of output 78 [2024-01-26 09:05:36,959 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 09:05:36,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 972 treesize of output 936 [2024-01-26 09:05:36,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 09:05:36,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 448 treesize of output 424 [2024-01-26 09:05:37,009 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 09:05:37,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 416 treesize of output 360 [2024-01-26 09:05:37,030 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 09:05:37,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 183 treesize of output 175 [2024-01-26 09:05:37,825 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 09:05:37,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 63 treesize of output 51 [2024-01-26 09:05:37,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 263 [2024-01-26 09:05:37,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 255 treesize of output 239 [2024-01-26 09:05:37,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 117 [2024-01-26 09:05:37,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 227 [2024-01-26 09:05:41,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 09:05:41,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057156066] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 09:05:41,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 09:05:41,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 41, 41] total 105 [2024-01-26 09:05:41,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040808025] [2024-01-26 09:05:41,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 09:05:41,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2024-01-26 09:05:41,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:05:41,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2024-01-26 09:05:41,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1016, Invalid=8876, Unknown=28, NotChecked=1000, Total=10920 [2024-01-26 09:05:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:41,337 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:05:41,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 4.238095238095238) internal successors, (445), 105 states have internal predecessors, (445), 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 09:05:41,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:41,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:05:41,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:05:41,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:05:41,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:49,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:49,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:05:49,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:05:49,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:05:49,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:05:49,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-01-26 09:05:50,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:05:50,186 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:05:50,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:05:50,187 INFO L85 PathProgramCache]: Analyzing trace with hash 533732468, now seen corresponding path program 2 times [2024-01-26 09:05:50,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:05:50,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130028005] [2024-01-26 09:05:50,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:05:50,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:05:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:05:50,525 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-01-26 09:05:50,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:05:50,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130028005] [2024-01-26 09:05:50,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130028005] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:05:50,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198551150] [2024-01-26 09:05:50,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 09:05:50,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:05:50,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:05:50,527 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 09:05:50,530 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 09:05:50,685 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 09:05:50,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 09:05:50,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 10 conjunts are in the unsatisfiable core [2024-01-26 09:05:50,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:05:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-01-26 09:05:50,939 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:05:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-01-26 09:05:51,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198551150] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 09:05:51,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 09:05:51,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 22 [2024-01-26 09:05:51,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598251054] [2024-01-26 09:05:51,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 09:05:51,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-01-26 09:05:51,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:05:51,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-01-26 09:05:51,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2024-01-26 09:05:51,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:51,121 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:05:51,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 12.863636363636363) internal successors, (283), 22 states have internal predecessors, (283), 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 09:05:51,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:51,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:05:51,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:05:51,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:05:51,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:05:51,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:52,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:05:52,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:05:52,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:05:52,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:05:52,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:05:52,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-01-26 09:05:52,926 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 09:05:53,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:05:53,121 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:05:53,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:05:53,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1673532772, now seen corresponding path program 1 times [2024-01-26 09:05:53,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:05:53,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889528117] [2024-01-26 09:05:53,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:05:53,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:05:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:05:56,430 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 09:05:56,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:05:56,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889528117] [2024-01-26 09:05:56,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889528117] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:05:56,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135211522] [2024-01-26 09:05:56,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:05:56,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:05:56,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:05:56,441 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 09:05:56,445 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 09:05:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:05:56,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 61 conjunts are in the unsatisfiable core [2024-01-26 09:05:56,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:05:58,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-01-26 09:05:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 09:05:58,904 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:06:01,042 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 09:06:01,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 32 [2024-01-26 09:06:01,918 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 09:06:01,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135211522] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 09:06:01,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 09:06:01,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 35, 37] total 107 [2024-01-26 09:06:01,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481185217] [2024-01-26 09:06:01,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 09:06:01,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-01-26 09:06:01,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:06:01,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-01-26 09:06:01,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1394, Invalid=9948, Unknown=0, NotChecked=0, Total=11342 [2024-01-26 09:06:01,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:06:01,927 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:06:01,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 6.299065420560748) internal successors, (674), 107 states have internal predecessors, (674), 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 09:06:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:06:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:06:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:06:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:06:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:06:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-01-26 09:06:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:06:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:06:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:06:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:06:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:06:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:06:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-01-26 09:06:07,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-01-26 09:06:07,543 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 09:06:07,735 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,SelfDestructingSolverStorable6 [2024-01-26 09:06:07,735 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:06:07,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:06:07,736 INFO L85 PathProgramCache]: Analyzing trace with hash 2122230886, now seen corresponding path program 2 times [2024-01-26 09:06:07,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:06:07,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479653050] [2024-01-26 09:06:07,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:06:07,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:06:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:06:12,336 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 09:06:12,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:06:12,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479653050] [2024-01-26 09:06:12,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479653050] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:06:12,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954935750] [2024-01-26 09:06:12,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 09:06:12,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:06:12,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:06:12,341 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 09:06:12,343 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 09:06:12,528 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 09:06:12,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 09:06:12,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 72 conjunts are in the unsatisfiable core [2024-01-26 09:06:12,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:06:15,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 37 [2024-01-26 09:06:15,845 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 09:06:15,846 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:06:18,900 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 09:06:18,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 32 [2024-01-26 09:06:20,454 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 09:06:20,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954935750] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 09:06:20,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 09:06:20,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 41, 43] total 131 [2024-01-26 09:06:20,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418302435] [2024-01-26 09:06:20,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 09:06:20,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2024-01-26 09:06:20,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:06:20,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2024-01-26 09:06:20,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1591, Invalid=15439, Unknown=0, NotChecked=0, Total=17030 [2024-01-26 09:06:20,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:06:20,464 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:06:20,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 6.893129770992366) internal successors, (903), 131 states have internal predecessors, (903), 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 09:06:20,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:06:20,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:06:20,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:06:20,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:06:20,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:06:20,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-01-26 09:06:20,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-01-26 09:06:20,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:06:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:06:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:06:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:06:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:06:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:06:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-01-26 09:06:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-01-26 09:06:30,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-01-26 09:06:30,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-01-26 09:06:30,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:06:30,841 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:06:30,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:06:30,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1468644912, now seen corresponding path program 3 times [2024-01-26 09:06:30,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:06:30,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047988085] [2024-01-26 09:06:30,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:06:30,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:06:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:06:34,650 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 09:06:34,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:06:34,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047988085] [2024-01-26 09:06:34,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047988085] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:06:34,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086210322] [2024-01-26 09:06:34,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 09:06:34,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:06:34,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:06:34,653 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 09:06:34,659 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 09:06:34,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-01-26 09:06:34,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 09:06:34,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 50 conjunts are in the unsatisfiable core [2024-01-26 09:06:34,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:06:37,401 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 09:06:37,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 47 [2024-01-26 09:06:37,700 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 166 proven. 1 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-01-26 09:06:37,700 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:06:40,611 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 09:06:40,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 34 [2024-01-26 09:06:41,377 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-01-26 09:06:41,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086210322] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 09:06:41,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 09:06:41,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 33, 32] total 107 [2024-01-26 09:06:41,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753775947] [2024-01-26 09:06:41,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 09:06:41,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-01-26 09:06:41,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:06:41,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-01-26 09:06:41,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1002, Invalid=10340, Unknown=0, NotChecked=0, Total=11342 [2024-01-26 09:06:41,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:06:41,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:06:41,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 8.065420560747663) internal successors, (863), 107 states have internal predecessors, (863), 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 09:06:41,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:06:41,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:06:41,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:06:41,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:06:41,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:06:41,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-01-26 09:06:41,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-01-26 09:06:41,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-01-26 09:06:41,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:07:59,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:07:59,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:07:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:07:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:07:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:07:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:07:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:07:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:07:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:07:59,826 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 09:08:00,021 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,SelfDestructingSolverStorable8 [2024-01-26 09:08:00,022 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:08:00,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:08:00,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1166252340, now seen corresponding path program 1 times [2024-01-26 09:08:00,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:08:00,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977188633] [2024-01-26 09:08:00,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:08:00,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:08:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:08:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 515 proven. 152 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-01-26 09:08:00,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:08:00,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977188633] [2024-01-26 09:08:00,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977188633] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:08:00,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183159522] [2024-01-26 09:08:00,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:08:00,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:08:00,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:08:00,908 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 09:08:00,911 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 09:08:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:08:01,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 22 conjunts are in the unsatisfiable core [2024-01-26 09:08:01,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:08:01,963 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 615 proven. 52 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-01-26 09:08:01,963 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:08:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 615 proven. 52 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-01-26 09:08:02,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183159522] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 09:08:02,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 09:08:02,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2024-01-26 09:08:02,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149513751] [2024-01-26 09:08:02,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 09:08:02,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-01-26 09:08:02,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:08:02,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-01-26 09:08:02,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=2399, Unknown=0, NotChecked=0, Total=2862 [2024-01-26 09:08:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:08:02,552 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:08:02,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 11.462962962962964) internal successors, (619), 54 states have internal predecessors, (619), 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 09:08:02,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:08:02,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:08:02,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:08:02,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:08:02,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:08:02,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:08:02,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:08:02,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:08:02,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:08:02,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:08:05,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:08:05,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:08:05,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:08:05,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:08:05,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:08:05,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:08:05,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:08:05,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:08:05,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:08:05,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:08:05,880 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 09:08:06,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:08:06,075 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:08:06,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:08:06,076 INFO L85 PathProgramCache]: Analyzing trace with hash -482866346, now seen corresponding path program 2 times [2024-01-26 09:08:06,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:08:06,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783328393] [2024-01-26 09:08:06,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:08:06,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:08:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:08:07,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 549 proven. 217 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-01-26 09:08:07,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:08:07,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783328393] [2024-01-26 09:08:07,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783328393] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:08:07,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783938820] [2024-01-26 09:08:07,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 09:08:07,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:08:07,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:08:07,198 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 09:08:07,204 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 09:08:07,451 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 09:08:07,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 09:08:07,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 26 conjunts are in the unsatisfiable core [2024-01-26 09:08:07,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:08:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 681 proven. 85 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-01-26 09:08:08,350 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:08:09,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 681 proven. 85 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-01-26 09:08:09,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783938820] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 09:08:09,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 09:08:09,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2024-01-26 09:08:09,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146501986] [2024-01-26 09:08:09,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 09:08:09,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-01-26 09:08:09,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:08:09,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-01-26 09:08:09,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=3402, Unknown=0, NotChecked=0, Total=4032 [2024-01-26 09:08:09,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:08:09,020 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:08:09,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 11.09375) internal successors, (710), 64 states have internal predecessors, (710), 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 09:08:09,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:08:09,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:08:09,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:08:09,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:08:09,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:08:09,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:08:09,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:08:09,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:08:09,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:08:09,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:08:09,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:08:12,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:08:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:08:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:08:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:08:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:08:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:08:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:08:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:08:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:08:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:08:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:08:12,957 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 09:08:13,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:08:13,150 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:08:13,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:08:13,151 INFO L85 PathProgramCache]: Analyzing trace with hash -453802528, now seen corresponding path program 3 times [2024-01-26 09:08:13,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:08:13,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529627342] [2024-01-26 09:08:13,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:08:13,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:08:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:08:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 56 proven. 276 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2024-01-26 09:08:14,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:08:14,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529627342] [2024-01-26 09:08:14,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529627342] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:08:14,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883606909] [2024-01-26 09:08:14,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 09:08:14,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:08:14,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:08:14,569 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 09:08:14,578 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 09:08:14,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-01-26 09:08:14,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 09:08:14,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 65 conjunts are in the unsatisfiable core [2024-01-26 09:08:14,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:08:16,197 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 09:08:16,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 19 [2024-01-26 09:08:16,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 468 proven. 196 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-01-26 09:08:16,910 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:08:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 405 proven. 218 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-01-26 09:08:19,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883606909] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 09:08:19,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 09:08:19,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 47, 42] total 105 [2024-01-26 09:08:19,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15704042] [2024-01-26 09:08:19,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 09:08:19,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2024-01-26 09:08:19,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:08:19,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2024-01-26 09:08:19,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=506, Invalid=10414, Unknown=0, NotChecked=0, Total=10920 [2024-01-26 09:08:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:08:19,859 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:08:19,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 7.809523809523809) internal successors, (820), 105 states have internal predecessors, (820), 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 09:08:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:08:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:08:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:08:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:08:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:08:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:08:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:08:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:08:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:08:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:08:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:08:19,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:05,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:13:05,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:05,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:13:05,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:13:05,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:13:05,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:13:05,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:13:05,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:13:05,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:13:05,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2269 states. [2024-01-26 09:13:05,643 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 09:13:05,836 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,SelfDestructingSolverStorable11 [2024-01-26 09:13:05,837 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:13:05,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:13:05,837 INFO L85 PathProgramCache]: Analyzing trace with hash 69807689, now seen corresponding path program 4 times [2024-01-26 09:13:05,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:13:05,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953256093] [2024-01-26 09:13:05,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:13:05,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:13:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:13:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 550 proven. 291 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2024-01-26 09:13:07,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:13:07,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953256093] [2024-01-26 09:13:07,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953256093] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:13:07,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071236345] [2024-01-26 09:13:07,983 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 09:13:07,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:13:07,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:13:07,985 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 09:13:07,987 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 09:13:08,236 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 09:13:08,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 09:13:08,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 30 conjunts are in the unsatisfiable core [2024-01-26 09:13:08,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:13:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 715 proven. 126 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2024-01-26 09:13:09,283 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:13:10,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 715 proven. 126 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2024-01-26 09:13:10,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071236345] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 09:13:10,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 09:13:10,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 74 [2024-01-26 09:13:10,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690338152] [2024-01-26 09:13:10,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 09:13:10,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-01-26 09:13:10,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:13:10,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-01-26 09:13:10,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=823, Invalid=4579, Unknown=0, NotChecked=0, Total=5402 [2024-01-26 09:13:10,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:10,320 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:13:10,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 10.824324324324325) internal successors, (801), 74 states have internal predecessors, (801), 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 09:13:10,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:10,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:10,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:13:10,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:10,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:13:10,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:13:10,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:13:10,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:13:10,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:13:10,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:13:10,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:13:10,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2269 states. [2024-01-26 09:13:10,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:13:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:13:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:13:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:13:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:13:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:13:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:13:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:13:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2269 states. [2024-01-26 09:13:17,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 09:13:17,931 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 09:13:18,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:13:18,132 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:13:18,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:13:18,132 INFO L85 PathProgramCache]: Analyzing trace with hash -678361473, now seen corresponding path program 5 times [2024-01-26 09:13:18,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:13:18,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808221294] [2024-01-26 09:13:18,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:13:18,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:13:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:13:19,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 347 proven. 541 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2024-01-26 09:13:19,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:13:19,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808221294] [2024-01-26 09:13:19,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808221294] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:13:19,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633326760] [2024-01-26 09:13:19,720 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-01-26 09:13:19,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:13:19,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:13:19,722 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 09:13:19,724 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 09:13:19,998 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-01-26 09:13:19,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 09:13:20,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 34 conjunts are in the unsatisfiable core [2024-01-26 09:13:20,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:13:21,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 512 proven. 376 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2024-01-26 09:13:21,455 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:13:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 512 proven. 376 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2024-01-26 09:13:22,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633326760] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 09:13:22,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 09:13:22,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 84 [2024-01-26 09:13:22,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231294464] [2024-01-26 09:13:22,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 09:13:22,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-01-26 09:13:22,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:13:22,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-01-26 09:13:22,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1003, Invalid=5969, Unknown=0, NotChecked=0, Total=6972 [2024-01-26 09:13:22,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:22,810 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:13:22,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 10.357142857142858) internal successors, (870), 84 states have internal predecessors, (870), 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 09:13:22,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:22,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:22,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:13:22,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:22,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:13:22,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:13:22,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:13:22,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:13:22,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:13:22,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:13:22,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:13:22,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2269 states. [2024-01-26 09:13:22,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 09:13:22,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:30,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:30,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:30,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:13:30,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:30,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:13:30,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:13:30,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:13:30,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:13:30,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:13:30,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:13:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:13:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2269 states. [2024-01-26 09:13:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 09:13:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-01-26 09:13:30,253 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 09:13:30,447 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,SelfDestructingSolverStorable13 [2024-01-26 09:13:30,448 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:13:30,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:13:30,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1477462197, now seen corresponding path program 6 times [2024-01-26 09:13:30,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:13:30,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647006671] [2024-01-26 09:13:30,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:13:30,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:13:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:13:31,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 132 proven. 815 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2024-01-26 09:13:31,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:13:31,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647006671] [2024-01-26 09:13:31,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647006671] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:13:31,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608901400] [2024-01-26 09:13:31,893 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-01-26 09:13:31,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:13:31,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:13:31,894 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 09:13:31,896 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 09:13:32,247 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-01-26 09:13:32,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 09:13:32,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 1135 conjuncts, 32 conjunts are in the unsatisfiable core [2024-01-26 09:13:32,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:13:33,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 512 proven. 916 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-01-26 09:13:33,732 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:13:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 512 proven. 916 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-01-26 09:13:34,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608901400] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 09:13:34,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 09:13:34,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33, 33] total 81 [2024-01-26 09:13:34,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260222456] [2024-01-26 09:13:34,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 09:13:34,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-01-26 09:13:34,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:13:34,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-01-26 09:13:34,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=450, Invalid=6030, Unknown=0, NotChecked=0, Total=6480 [2024-01-26 09:13:34,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:34,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:13:34,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 15.666666666666666) internal successors, (1269), 81 states have internal predecessors, (1269), 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 09:13:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:13:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:13:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:13:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:13:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:13:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:13:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:13:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:13:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2269 states. [2024-01-26 09:13:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 09:13:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-01-26 09:13:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:46,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:13:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:13:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:13:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:13:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:13:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:13:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:13:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:13:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2269 states. [2024-01-26 09:13:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 09:13:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-01-26 09:13:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:13:46,924 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 09:13:47,118 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,SelfDestructingSolverStorable14 [2024-01-26 09:13:47,118 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:13:47,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:13:47,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1342550443, now seen corresponding path program 7 times [2024-01-26 09:13:47,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:13:47,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519300245] [2024-01-26 09:13:47,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:13:47,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:13:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:13:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2816 backedges. 1539 proven. 464 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2024-01-26 09:13:48,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:13:48,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519300245] [2024-01-26 09:13:48,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519300245] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:13:48,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616485599] [2024-01-26 09:13:48,906 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-01-26 09:13:48,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:13:48,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:13:48,907 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 09:13:48,909 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 09:13:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:13:49,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 1339 conjuncts, 38 conjunts are in the unsatisfiable core [2024-01-26 09:13:49,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:13:50,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2816 backedges. 1771 proven. 232 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2024-01-26 09:13:50,787 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:13:51,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2816 backedges. 1771 proven. 232 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2024-01-26 09:13:51,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616485599] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 09:13:51,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 09:13:51,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 94 [2024-01-26 09:13:51,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616003235] [2024-01-26 09:13:51,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 09:13:51,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-01-26 09:13:51,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:13:51,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-01-26 09:13:51,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1287, Invalid=7455, Unknown=0, NotChecked=0, Total=8742 [2024-01-26 09:13:51,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:51,988 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:13:51,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 10.5) internal successors, (987), 94 states have internal predecessors, (987), 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 09:13:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:13:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:13:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:13:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:13:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:13:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:13:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:13:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:13:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:13:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:13:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2269 states. [2024-01-26 09:13:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 09:13:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-01-26 09:13:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:13:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:14:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:14:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:14:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:14:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:14:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:14:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:14:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:14:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:14:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:14:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:14:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:14:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2269 states. [2024-01-26 09:14:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 09:14:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-01-26 09:14:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:14:02,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-01-26 09:14:02,546 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 09:14:02,740 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,SelfDestructingSolverStorable15 [2024-01-26 09:14:02,741 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:14:02,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:14:02,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1804532597, now seen corresponding path program 8 times [2024-01-26 09:14:02,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:14:02,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892371518] [2024-01-26 09:14:02,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:14:02,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:14:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:14:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2881 backedges. 182 proven. 828 refuted. 0 times theorem prover too weak. 1871 trivial. 0 not checked. [2024-01-26 09:14:04,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:14:04,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892371518] [2024-01-26 09:14:04,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892371518] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:14:04,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019898912] [2024-01-26 09:14:04,647 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 09:14:04,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:14:04,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:14:04,648 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 09:14:04,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-01-26 09:14:04,900 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 09:14:04,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 09:14:04,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 1353 conjuncts, 42 conjunts are in the unsatisfiable core [2024-01-26 09:14:04,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:14:06,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2881 backedges. 1837 proven. 297 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2024-01-26 09:14:06,971 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:14:08,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2881 backedges. 1837 proven. 297 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2024-01-26 09:14:08,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019898912] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 09:14:08,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 09:14:08,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 43, 43] total 122 [2024-01-26 09:14:08,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100090501] [2024-01-26 09:14:08,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 09:14:08,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-01-26 09:14:08,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:14:08,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-01-26 09:14:08,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1347, Invalid=13415, Unknown=0, NotChecked=0, Total=14762 [2024-01-26 09:14:08,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:14:08,959 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:14:08,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 11.459016393442623) internal successors, (1398), 122 states have internal predecessors, (1398), 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 09:14:08,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:14:08,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:14:08,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:14:08,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:14:08,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:14:08,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:14:08,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:14:08,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:14:08,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:14:08,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:14:08,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:14:08,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2269 states. [2024-01-26 09:14:08,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 09:14:08,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-01-26 09:14:08,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:14:08,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-01-26 09:14:08,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:14:31,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:14:31,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:14:31,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:14:31,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:14:31,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:14:31,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:14:31,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:14:31,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:14:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:14:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:14:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:14:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2269 states. [2024-01-26 09:14:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 09:14:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-01-26 09:14:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:14:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-01-26 09:14:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-01-26 09:14:31,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-01-26 09:14:31,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-01-26 09:14:31,529 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:14:31,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:14:31,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1134381703, now seen corresponding path program 9 times [2024-01-26 09:14:31,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:14:31,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85720728] [2024-01-26 09:14:31,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:14:31,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:14:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:14:34,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3767 backedges. 1574 proven. 667 refuted. 0 times theorem prover too weak. 1526 trivial. 0 not checked. [2024-01-26 09:14:34,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:14:34,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85720728] [2024-01-26 09:14:34,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85720728] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:14:34,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836970757] [2024-01-26 09:14:34,041 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 09:14:34,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:14:34,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:14:34,042 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 09:14:34,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-01-26 09:14:34,341 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-01-26 09:14:34,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 09:14:34,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 74 conjunts are in the unsatisfiable core [2024-01-26 09:14:34,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:14:36,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 09:14:36,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 53 [2024-01-26 09:14:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3767 backedges. 1249 proven. 429 refuted. 0 times theorem prover too weak. 2089 trivial. 0 not checked. [2024-01-26 09:14:37,675 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:14:41,475 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 09:14:41,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 13 [2024-01-26 09:14:41,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3767 backedges. 848 proven. 757 refuted. 0 times theorem prover too weak. 2162 trivial. 0 not checked. [2024-01-26 09:14:41,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836970757] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 09:14:41,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 09:14:41,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 49, 44] total 128 [2024-01-26 09:14:41,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250053819] [2024-01-26 09:14:41,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 09:14:41,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-01-26 09:14:41,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:14:41,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-01-26 09:14:41,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=748, Invalid=15508, Unknown=0, NotChecked=0, Total=16256 [2024-01-26 09:14:41,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:14:41,565 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:14:41,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 8.9921875) internal successors, (1151), 128 states have internal predecessors, (1151), 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 09:14:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:14:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:14:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:14:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:14:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:14:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:14:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:14:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:14:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 607 states. [2024-01-26 09:14:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:14:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:14:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2269 states. [2024-01-26 09:14:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 09:14:41,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-01-26 09:14:41,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:14:41,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-01-26 09:14:41,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-01-26 09:14:41,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 615 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2269 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-01-26 09:15:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-01-26 09:15:20,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-01-26 09:15:20,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-01-26 09:15:21,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-01-26 09:15:21,064 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 09:15:21,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 09:15:21,064 INFO L85 PathProgramCache]: Analyzing trace with hash -2003945977, now seen corresponding path program 10 times [2024-01-26 09:15:21,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 09:15:21,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830004619] [2024-01-26 09:15:21,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 09:15:21,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 09:15:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 09:15:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4222 backedges. 1915 proven. 781 refuted. 0 times theorem prover too weak. 1526 trivial. 0 not checked. [2024-01-26 09:15:24,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 09:15:24,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830004619] [2024-01-26 09:15:24,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830004619] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 09:15:24,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112238343] [2024-01-26 09:15:24,269 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 09:15:24,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 09:15:24,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 09:15:24,270 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 09:15:24,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-01-26 09:15:24,556 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 09:15:24,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 09:15:24,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 50 conjunts are in the unsatisfiable core [2024-01-26 09:15:24,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 09:15:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4222 backedges. 2245 proven. 451 refuted. 0 times theorem prover too weak. 1526 trivial. 0 not checked. [2024-01-26 09:15:27,039 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 09:15:28,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4222 backedges. 2245 proven. 451 refuted. 0 times theorem prover too weak. 1526 trivial. 0 not checked. [2024-01-26 09:15:28,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112238343] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 09:15:28,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 09:15:28,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 124 [2024-01-26 09:15:28,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923960820] [2024-01-26 09:15:28,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 09:15:28,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2024-01-26 09:15:28,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 09:15:28,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2024-01-26 09:15:28,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2178, Invalid=13074, Unknown=0, NotChecked=0, Total=15252 [2024-01-26 09:15:28,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:15:28,840 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 09:15:28,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 10.169354838709678) internal successors, (1261), 124 states have internal predecessors, (1261), 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 09:15:28,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 09:15:28,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:15:28,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 09:15:28,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 09:15:28,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-01-26 09:15:28,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:15:28,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-01-26 09:15:28,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-01-26 09:15:28,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 615 states. [2024-01-26 09:15:28,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 09:15:28,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-01-26 09:15:28,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2269 states. [2024-01-26 09:15:28,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 09:15:28,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-01-26 09:15:28,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-01-26 09:15:28,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-01-26 09:15:28,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-01-26 09:15:28,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-01-26 09:15:28,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.