./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 870f3f117c59e986b23526e49a2d44ed8c8e543941d3d310e77e3939c7927e70 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:24:14,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:24:14,750 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:24:14,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:24:14,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:24:14,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:24:14,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:24:14,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:24:14,768 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:24:14,768 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:24:14,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:24:14,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:24:14,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:24:14,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:24:14,768 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:24:14,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:24:14,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:24:14,769 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:24:14,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:24:14,769 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:24:14,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:24:14,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:24:14,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:24:14,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:24:14,769 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:24:14,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:24:14,769 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:24:14,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:24:14,770 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:24:14,770 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:24:14,770 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:24:14,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:24:14,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:24:14,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:24:14,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:24:14,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:24:14,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:24:14,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:24:14,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:24:14,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:24:14,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:24:14,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:24:14,770 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:24:14,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:24:14,770 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:24:14,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:24:14,771 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:24:14,771 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:24:14,771 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:24:14,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:24:14,771 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 870f3f117c59e986b23526e49a2d44ed8c8e543941d3d310e77e3939c7927e70 [2025-01-10 02:24:14,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:24:14,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:24:14,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:24:14,984 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:24:14,984 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:24:14,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c [2025-01-10 02:24:16,147 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7a8ebfc6a/fe66b2a57c344ae5a57e3fb202a7684c/FLAG53d8e6739 [2025-01-10 02:24:16,351 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:24:16,352 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c [2025-01-10 02:24:16,372 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7a8ebfc6a/fe66b2a57c344ae5a57e3fb202a7684c/FLAG53d8e6739 [2025-01-10 02:24:16,386 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7a8ebfc6a/fe66b2a57c344ae5a57e3fb202a7684c [2025-01-10 02:24:16,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:24:16,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:24:16,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:24:16,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:24:16,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:24:16,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:24:16" (1/1) ... [2025-01-10 02:24:16,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cfdea61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16, skipping insertion in model container [2025-01-10 02:24:16,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:24:16" (1/1) ... [2025-01-10 02:24:16,403 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:24:16,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:24:16,514 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:24:16,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:24:16,536 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:24:16,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16 WrapperNode [2025-01-10 02:24:16,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:24:16,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:24:16,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:24:16,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:24:16,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16" (1/1) ... [2025-01-10 02:24:16,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16" (1/1) ... [2025-01-10 02:24:16,570 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2025-01-10 02:24:16,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:24:16,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:24:16,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:24:16,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:24:16,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16" (1/1) ... [2025-01-10 02:24:16,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16" (1/1) ... [2025-01-10 02:24:16,578 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16" (1/1) ... [2025-01-10 02:24:16,586 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 02:24:16,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16" (1/1) ... [2025-01-10 02:24:16,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16" (1/1) ... [2025-01-10 02:24:16,593 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16" (1/1) ... [2025-01-10 02:24:16,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16" (1/1) ... [2025-01-10 02:24:16,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16" (1/1) ... [2025-01-10 02:24:16,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16" (1/1) ... [2025-01-10 02:24:16,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16" (1/1) ... [2025-01-10 02:24:16,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:24:16,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:24:16,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:24:16,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:24:16,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16" (1/1) ... [2025-01-10 02:24:16,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:24:16,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:16,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 02:24:16,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 02:24:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:24:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:24:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:24:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:24:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:24:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:24:16,678 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:24:16,679 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:24:16,907 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2025-01-10 02:24:16,907 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:24:16,918 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:24:16,918 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 02:24:16,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:24:16 BoogieIcfgContainer [2025-01-10 02:24:16,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:24:16,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:24:16,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:24:16,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:24:16,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:24:16" (1/3) ... [2025-01-10 02:24:16,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6d971e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:24:16, skipping insertion in model container [2025-01-10 02:24:16,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:24:16" (2/3) ... [2025-01-10 02:24:16,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6d971e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:24:16, skipping insertion in model container [2025-01-10 02:24:16,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:24:16" (3/3) ... [2025-01-10 02:24:16,924 INFO L128 eAbstractionObserver]: Analyzing ICFG ps4-ll_unwindbound50.c [2025-01-10 02:24:16,933 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:24:16,934 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps4-ll_unwindbound50.c that has 2 procedures, 142 locations, 1 initial locations, 1 loop locations, and 62 error locations. [2025-01-10 02:24:16,967 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:24:16,975 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@e7a8535, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:24:16,975 INFO L334 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2025-01-10 02:24:16,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 75 states have (on average 1.88) internal successors, (141), 137 states have internal predecessors, (141), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:24:16,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-10 02:24:16,980 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:16,980 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-10 02:24:16,980 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:16,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:16,983 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2025-01-10 02:24:16,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:16,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985921584] [2025-01-10 02:24:16,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:16,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:17,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 02:24:17,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 02:24:17,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:17,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:17,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:17,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:17,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985921584] [2025-01-10 02:24:17,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985921584] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:24:17,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:24:17,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:24:17,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233410220] [2025-01-10 02:24:17,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:24:17,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:24:17,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:17,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:24:17,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:24:17,118 INFO L87 Difference]: Start difference. First operand has 142 states, 75 states have (on average 1.88) internal successors, (141), 137 states have internal predecessors, (141), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-01-10 02:24:17,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:17,165 INFO L93 Difference]: Finished difference Result 270 states and 294 transitions. [2025-01-10 02:24:17,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:24:17,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2025-01-10 02:24:17,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:17,171 INFO L225 Difference]: With dead ends: 270 [2025-01-10 02:24:17,172 INFO L226 Difference]: Without dead ends: 124 [2025-01-10 02:24:17,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:24:17,178 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 132 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:17,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 252 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:24:17,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-01-10 02:24:17,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2025-01-10 02:24:17,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 70 states have (on average 1.7428571428571429) internal successors, (122), 120 states have internal predecessors, (122), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:24:17,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2025-01-10 02:24:17,204 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 4 [2025-01-10 02:24:17,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:17,205 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2025-01-10 02:24:17,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-01-10 02:24:17,205 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2025-01-10 02:24:17,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 02:24:17,205 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:17,205 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 02:24:17,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 02:24:17,206 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:17,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:17,206 INFO L85 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2025-01-10 02:24:17,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:17,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142248619] [2025-01-10 02:24:17,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:17,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:17,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 02:24:17,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 02:24:17,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:17,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:17,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:17,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:17,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142248619] [2025-01-10 02:24:17,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142248619] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:24:17,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:24:17,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:24:17,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783569351] [2025-01-10 02:24:17,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:24:17,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:24:17,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:17,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:24:17,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:24:17,235 INFO L87 Difference]: Start difference. First operand 124 states and 126 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2025-01-10 02:24:17,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:17,268 INFO L93 Difference]: Finished difference Result 185 states and 187 transitions. [2025-01-10 02:24:17,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:24:17,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5 [2025-01-10 02:24:17,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:17,270 INFO L225 Difference]: With dead ends: 185 [2025-01-10 02:24:17,270 INFO L226 Difference]: Without dead ends: 128 [2025-01-10 02:24:17,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:24:17,271 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 3 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:17,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 362 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:24:17,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-01-10 02:24:17,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-01-10 02:24:17,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 74 states have (on average 1.7027027027027026) internal successors, (126), 124 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:24:17,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2025-01-10 02:24:17,279 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 5 [2025-01-10 02:24:17,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:17,279 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2025-01-10 02:24:17,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2025-01-10 02:24:17,280 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2025-01-10 02:24:17,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 02:24:17,280 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:17,280 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:17,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 02:24:17,281 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:17,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:17,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1805858121, now seen corresponding path program 1 times [2025-01-10 02:24:17,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:17,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500859305] [2025-01-10 02:24:17,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:17,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:17,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 02:24:17,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 02:24:17,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:17,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:17,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:17,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:17,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500859305] [2025-01-10 02:24:17,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500859305] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:24:17,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:24:17,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:24:17,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176510298] [2025-01-10 02:24:17,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:24:17,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:24:17,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:17,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:24:17,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:24:17,335 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2025-01-10 02:24:17,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:17,445 INFO L93 Difference]: Finished difference Result 233 states and 245 transitions. [2025-01-10 02:24:17,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:24:17,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) Word has length 7 [2025-01-10 02:24:17,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:17,446 INFO L225 Difference]: With dead ends: 233 [2025-01-10 02:24:17,446 INFO L226 Difference]: Without dead ends: 222 [2025-01-10 02:24:17,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:24:17,447 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 92 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:17,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 191 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:24:17,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2025-01-10 02:24:17,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 180. [2025-01-10 02:24:17,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 124 states have (on average 1.6693548387096775) internal successors, (207), 174 states have internal predecessors, (207), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:24:17,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 215 transitions. [2025-01-10 02:24:17,456 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 215 transitions. Word has length 7 [2025-01-10 02:24:17,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:17,456 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 215 transitions. [2025-01-10 02:24:17,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2025-01-10 02:24:17,456 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 215 transitions. [2025-01-10 02:24:17,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-10 02:24:17,457 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:17,457 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:17,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 02:24:17,457 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:17,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:17,458 INFO L85 PathProgramCache]: Analyzing trace with hash -441017269, now seen corresponding path program 1 times [2025-01-10 02:24:17,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:17,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830705286] [2025-01-10 02:24:17,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:17,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:17,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 02:24:17,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 02:24:17,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:17,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:17,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1424020716] [2025-01-10 02:24:17,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:17,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:17,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:17,478 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:17,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 02:24:17,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 02:24:17,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 02:24:17,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:17,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:17,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:24:17,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:17,546 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:24:17,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:17,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830705286] [2025-01-10 02:24:17,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:17,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424020716] [2025-01-10 02:24:17,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424020716] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:24:17,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:24:17,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:24:17,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617199641] [2025-01-10 02:24:17,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:24:17,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:24:17,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:17,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:24:17,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:24:17,549 INFO L87 Difference]: Start difference. First operand 180 states and 215 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2025-01-10 02:24:17,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:17,750 INFO L93 Difference]: Finished difference Result 213 states and 223 transitions. [2025-01-10 02:24:17,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:24:17,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) Word has length 10 [2025-01-10 02:24:17,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:17,751 INFO L225 Difference]: With dead ends: 213 [2025-01-10 02:24:17,751 INFO L226 Difference]: Without dead ends: 186 [2025-01-10 02:24:17,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:24:17,752 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 52 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:17,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 102 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:24:17,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2025-01-10 02:24:17,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 184. [2025-01-10 02:24:17,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 128 states have (on average 1.46875) internal successors, (188), 178 states have internal predecessors, (188), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:24:17,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 196 transitions. [2025-01-10 02:24:17,771 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 196 transitions. Word has length 10 [2025-01-10 02:24:17,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:17,771 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 196 transitions. [2025-01-10 02:24:17,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2025-01-10 02:24:17,771 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 196 transitions. [2025-01-10 02:24:17,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-10 02:24:17,771 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:17,775 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:17,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-10 02:24:17,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:17,976 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:17,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:17,977 INFO L85 PathProgramCache]: Analyzing trace with hash -214514351, now seen corresponding path program 1 times [2025-01-10 02:24:17,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:17,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315175867] [2025-01-10 02:24:17,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:17,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:17,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 02:24:17,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 02:24:17,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:17,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:18,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:18,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:18,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315175867] [2025-01-10 02:24:18,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315175867] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:24:18,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:24:18,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:24:18,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120214707] [2025-01-10 02:24:18,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:24:18,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:24:18,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:18,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:24:18,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:24:18,047 INFO L87 Difference]: Start difference. First operand 184 states and 196 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2025-01-10 02:24:18,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:18,242 INFO L93 Difference]: Finished difference Result 201 states and 207 transitions. [2025-01-10 02:24:18,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:24:18,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) Word has length 15 [2025-01-10 02:24:18,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:18,243 INFO L225 Difference]: With dead ends: 201 [2025-01-10 02:24:18,243 INFO L226 Difference]: Without dead ends: 167 [2025-01-10 02:24:18,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:24:18,244 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 67 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:18,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 203 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:24:18,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2025-01-10 02:24:18,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 156. [2025-01-10 02:24:18,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 101 states have (on average 1.5346534653465347) internal successors, (155), 151 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:24:18,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 161 transitions. [2025-01-10 02:24:18,252 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 161 transitions. Word has length 15 [2025-01-10 02:24:18,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:18,253 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 161 transitions. [2025-01-10 02:24:18,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2025-01-10 02:24:18,253 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 161 transitions. [2025-01-10 02:24:18,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-10 02:24:18,253 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:18,253 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:18,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 02:24:18,253 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:18,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:18,259 INFO L85 PathProgramCache]: Analyzing trace with hash 691485682, now seen corresponding path program 1 times [2025-01-10 02:24:18,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:18,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043793205] [2025-01-10 02:24:18,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:18,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:18,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:24:18,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:24:18,285 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:18,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:18,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:18,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:18,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043793205] [2025-01-10 02:24:18,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043793205] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:24:18,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:24:18,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:24:18,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498713928] [2025-01-10 02:24:18,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:24:18,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:24:18,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:18,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:24:18,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:24:18,357 INFO L87 Difference]: Start difference. First operand 156 states and 161 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:24:18,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:18,371 INFO L93 Difference]: Finished difference Result 158 states and 161 transitions. [2025-01-10 02:24:18,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:24:18,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2025-01-10 02:24:18,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:18,373 INFO L225 Difference]: With dead ends: 158 [2025-01-10 02:24:18,373 INFO L226 Difference]: Without dead ends: 156 [2025-01-10 02:24:18,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:24:18,374 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:18,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 242 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:24:18,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-01-10 02:24:18,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2025-01-10 02:24:18,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 151 states have internal predecessors, (153), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:24:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 159 transitions. [2025-01-10 02:24:18,384 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 159 transitions. Word has length 35 [2025-01-10 02:24:18,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:18,387 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 159 transitions. [2025-01-10 02:24:18,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:24:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 159 transitions. [2025-01-10 02:24:18,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 02:24:18,388 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:18,388 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:18,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 02:24:18,388 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:18,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:18,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1371245366, now seen corresponding path program 1 times [2025-01-10 02:24:18,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:18,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762426533] [2025-01-10 02:24:18,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:18,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:18,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:24:18,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:24:18,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:18,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:18,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [301528712] [2025-01-10 02:24:18,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:18,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:18,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:18,416 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:18,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 02:24:18,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:24:18,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:24:18,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:18,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:18,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:24:18,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:18,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:18,513 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:24:18,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:18,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762426533] [2025-01-10 02:24:18,513 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:18,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301528712] [2025-01-10 02:24:18,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301528712] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:24:18,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:24:18,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:24:18,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896621978] [2025-01-10 02:24:18,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:24:18,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:24:18,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:18,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:24:18,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:24:18,515 INFO L87 Difference]: Start difference. First operand 156 states and 159 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:24:18,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:18,709 INFO L93 Difference]: Finished difference Result 256 states and 280 transitions. [2025-01-10 02:24:18,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:24:18,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2025-01-10 02:24:18,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:18,710 INFO L225 Difference]: With dead ends: 256 [2025-01-10 02:24:18,711 INFO L226 Difference]: Without dead ends: 230 [2025-01-10 02:24:18,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:24:18,712 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 71 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:18,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 121 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:24:18,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2025-01-10 02:24:18,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 221. [2025-01-10 02:24:18,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4695121951219512) internal successors, (241), 214 states have internal predecessors, (241), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:24:18,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2025-01-10 02:24:18,721 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 40 [2025-01-10 02:24:18,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:18,721 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2025-01-10 02:24:18,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:24:18,721 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2025-01-10 02:24:18,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-10 02:24:18,722 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:18,722 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:18,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 02:24:18,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:18,927 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:18,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:18,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1336855546, now seen corresponding path program 1 times [2025-01-10 02:24:18,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:18,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035274264] [2025-01-10 02:24:18,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:18,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:18,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:24:18,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:24:18,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:18,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:19,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:19,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:19,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035274264] [2025-01-10 02:24:19,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035274264] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:24:19,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:24:19,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:24:19,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127498155] [2025-01-10 02:24:19,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:24:19,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:24:19,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:19,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:24:19,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:24:19,014 INFO L87 Difference]: Start difference. First operand 221 states and 251 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:24:19,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:19,092 INFO L93 Difference]: Finished difference Result 222 states and 251 transitions. [2025-01-10 02:24:19,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:24:19,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2025-01-10 02:24:19,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:19,094 INFO L225 Difference]: With dead ends: 222 [2025-01-10 02:24:19,094 INFO L226 Difference]: Without dead ends: 221 [2025-01-10 02:24:19,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:24:19,096 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 34 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:19,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 185 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:24:19,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-01-10 02:24:19,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2025-01-10 02:24:19,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4634146341463414) internal successors, (240), 214 states have internal predecessors, (240), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:24:19,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2025-01-10 02:24:19,107 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 43 [2025-01-10 02:24:19,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:19,107 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2025-01-10 02:24:19,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:24:19,107 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2025-01-10 02:24:19,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-01-10 02:24:19,108 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:19,108 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:19,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 02:24:19,108 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:19,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:19,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1507150918, now seen corresponding path program 1 times [2025-01-10 02:24:19,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:19,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392422603] [2025-01-10 02:24:19,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:19,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:19,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 02:24:19,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 02:24:19,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:19,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:19,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:19,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:19,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392422603] [2025-01-10 02:24:19,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392422603] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:24:19,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:24:19,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:24:19,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829671694] [2025-01-10 02:24:19,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:24:19,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:24:19,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:19,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:24:19,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:24:19,183 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:24:19,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:19,332 INFO L93 Difference]: Finished difference Result 222 states and 250 transitions. [2025-01-10 02:24:19,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:24:19,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2025-01-10 02:24:19,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:19,333 INFO L225 Difference]: With dead ends: 222 [2025-01-10 02:24:19,333 INFO L226 Difference]: Without dead ends: 221 [2025-01-10 02:24:19,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:24:19,334 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 30 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:19,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 210 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:24:19,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-01-10 02:24:19,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2025-01-10 02:24:19,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4573170731707317) internal successors, (239), 214 states have internal predecessors, (239), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:24:19,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 249 transitions. [2025-01-10 02:24:19,339 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 249 transitions. Word has length 44 [2025-01-10 02:24:19,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:19,339 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 249 transitions. [2025-01-10 02:24:19,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:24:19,340 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 249 transitions. [2025-01-10 02:24:19,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-01-10 02:24:19,340 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:19,340 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:19,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-10 02:24:19,340 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:19,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:19,341 INFO L85 PathProgramCache]: Analyzing trace with hash 55150060, now seen corresponding path program 1 times [2025-01-10 02:24:19,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:19,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968684497] [2025-01-10 02:24:19,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:19,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:19,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-10 02:24:19,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-10 02:24:19,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:19,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:19,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:19,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:19,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968684497] [2025-01-10 02:24:19,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968684497] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:24:19,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958371816] [2025-01-10 02:24:19,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:19,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:19,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:19,421 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:19,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 02:24:19,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-10 02:24:19,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-10 02:24:19,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:19,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:19,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:24:19,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:19,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:19,544 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:24:19,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958371816] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:24:19,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:24:19,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-01-10 02:24:19,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025279898] [2025-01-10 02:24:19,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:24:19,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:24:19,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:19,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:24:19,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:24:19,547 INFO L87 Difference]: Start difference. First operand 221 states and 249 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:24:19,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:19,604 INFO L93 Difference]: Finished difference Result 304 states and 342 transitions. [2025-01-10 02:24:19,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:24:19,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2025-01-10 02:24:19,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:19,609 INFO L225 Difference]: With dead ends: 304 [2025-01-10 02:24:19,609 INFO L226 Difference]: Without dead ends: 303 [2025-01-10 02:24:19,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:24:19,609 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 85 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:19,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 564 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:24:19,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2025-01-10 02:24:19,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 238. [2025-01-10 02:24:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 179 states have (on average 1.458100558659218) internal successors, (261), 230 states have internal predecessors, (261), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:24:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 275 transitions. [2025-01-10 02:24:19,623 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 275 transitions. Word has length 47 [2025-01-10 02:24:19,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:19,623 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 275 transitions. [2025-01-10 02:24:19,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:24:19,623 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 275 transitions. [2025-01-10 02:24:19,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-01-10 02:24:19,627 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:19,627 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:19,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 02:24:19,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:19,827 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:19,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:19,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1459601489, now seen corresponding path program 1 times [2025-01-10 02:24:19,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:19,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854675179] [2025-01-10 02:24:19,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:19,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:19,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:24:19,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:24:19,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:19,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:19,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1370433722] [2025-01-10 02:24:19,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:19,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:19,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:19,846 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:19,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 02:24:19,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:24:19,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:24:19,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:19,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:19,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:24:19,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:20,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:20,016 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:20,179 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:20,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:20,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854675179] [2025-01-10 02:24:20,180 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:20,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370433722] [2025-01-10 02:24:20,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370433722] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:24:20,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:24:20,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2025-01-10 02:24:20,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825221881] [2025-01-10 02:24:20,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:24:20,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:24:20,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:20,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:24:20,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:24:20,183 INFO L87 Difference]: Start difference. First operand 238 states and 275 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:24:20,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:20,675 INFO L93 Difference]: Finished difference Result 280 states and 340 transitions. [2025-01-10 02:24:20,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:24:20,676 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2025-01-10 02:24:20,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:20,677 INFO L225 Difference]: With dead ends: 280 [2025-01-10 02:24:20,678 INFO L226 Difference]: Without dead ends: 277 [2025-01-10 02:24:20,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:24:20,679 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 200 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:20,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 147 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:24:20,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-01-10 02:24:20,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 235. [2025-01-10 02:24:20,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 179 states have (on average 1.4301675977653632) internal successors, (256), 227 states have internal predecessors, (256), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:24:20,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 270 transitions. [2025-01-10 02:24:20,688 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 270 transitions. Word has length 49 [2025-01-10 02:24:20,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:20,689 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 270 transitions. [2025-01-10 02:24:20,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:24:20,689 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 270 transitions. [2025-01-10 02:24:20,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-01-10 02:24:20,690 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:20,690 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:20,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 02:24:20,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-01-10 02:24:20,895 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:20,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:20,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1459601624, now seen corresponding path program 1 times [2025-01-10 02:24:20,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:20,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75633250] [2025-01-10 02:24:20,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:20,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:20,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:24:20,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:24:20,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:20,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:20,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:20,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75633250] [2025-01-10 02:24:20,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75633250] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:24:20,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696465780] [2025-01-10 02:24:20,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:20,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:20,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:20,952 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:20,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 02:24:20,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:24:20,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:24:20,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:20,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:20,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:24:20,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:21,021 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:21,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696465780] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:24:21,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:24:21,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2025-01-10 02:24:21,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47357114] [2025-01-10 02:24:21,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:24:21,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:24:21,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:21,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:24:21,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:24:21,080 INFO L87 Difference]: Start difference. First operand 235 states and 270 transitions. Second operand has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:24:21,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:21,172 INFO L93 Difference]: Finished difference Result 472 states and 493 transitions. [2025-01-10 02:24:21,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 02:24:21,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2025-01-10 02:24:21,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:21,174 INFO L225 Difference]: With dead ends: 472 [2025-01-10 02:24:21,174 INFO L226 Difference]: Without dead ends: 390 [2025-01-10 02:24:21,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:24:21,175 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 188 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:21,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 911 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:24:21,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-01-10 02:24:21,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 295. [2025-01-10 02:24:21,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 235 states have (on average 1.4553191489361703) internal successors, (342), 283 states have internal predecessors, (342), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:24:21,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 358 transitions. [2025-01-10 02:24:21,183 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 358 transitions. Word has length 49 [2025-01-10 02:24:21,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:21,183 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 358 transitions. [2025-01-10 02:24:21,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:24:21,183 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 358 transitions. [2025-01-10 02:24:21,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-10 02:24:21,183 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:21,184 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:21,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-10 02:24:21,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-01-10 02:24:21,384 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:21,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:21,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1996994047, now seen corresponding path program 1 times [2025-01-10 02:24:21,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:21,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110379810] [2025-01-10 02:24:21,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:21,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:21,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 02:24:21,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 02:24:21,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:21,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:21,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [296027581] [2025-01-10 02:24:21,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:21,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:21,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:21,402 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:21,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 02:24:21,421 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 02:24:21,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 02:24:21,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:21,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:21,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:24:21,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:21,572 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:21,572 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:21,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:21,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110379810] [2025-01-10 02:24:21,653 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:21,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296027581] [2025-01-10 02:24:21,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296027581] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:24:21,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:24:21,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 02:24:21,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682020847] [2025-01-10 02:24:21,653 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:24:21,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:24:21,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:21,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:24:21,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:24:21,654 INFO L87 Difference]: Start difference. First operand 295 states and 358 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:24:22,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:22,015 INFO L93 Difference]: Finished difference Result 316 states and 364 transitions. [2025-01-10 02:24:22,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:24:22,015 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2025-01-10 02:24:22,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:22,017 INFO L225 Difference]: With dead ends: 316 [2025-01-10 02:24:22,017 INFO L226 Difference]: Without dead ends: 304 [2025-01-10 02:24:22,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:24:22,017 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 187 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:22,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 230 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:24:22,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2025-01-10 02:24:22,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 290. [2025-01-10 02:24:22,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 236 states have (on average 1.3728813559322033) internal successors, (324), 277 states have internal predecessors, (324), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:24:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 340 transitions. [2025-01-10 02:24:22,025 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 340 transitions. Word has length 50 [2025-01-10 02:24:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:22,025 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 340 transitions. [2025-01-10 02:24:22,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:24:22,025 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 340 transitions. [2025-01-10 02:24:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-01-10 02:24:22,025 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:22,025 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:22,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 02:24:22,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-01-10 02:24:22,226 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:22,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:22,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1929656231, now seen corresponding path program 1 times [2025-01-10 02:24:22,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:22,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641080342] [2025-01-10 02:24:22,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:22,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:22,230 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-10 02:24:22,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-10 02:24:22,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:22,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:22,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1632548894] [2025-01-10 02:24:22,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:22,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:22,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:22,240 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:22,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 02:24:22,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-10 02:24:22,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-10 02:24:22,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:22,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:22,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:24:22,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:22,526 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:22,526 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:24:22,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:22,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641080342] [2025-01-10 02:24:22,526 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:22,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632548894] [2025-01-10 02:24:22,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632548894] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:24:22,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:24:22,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 02:24:22,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103243489] [2025-01-10 02:24:22,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:24:22,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:24:22,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:22,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:24:22,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:24:22,527 INFO L87 Difference]: Start difference. First operand 290 states and 340 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:24:22,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:22,717 INFO L93 Difference]: Finished difference Result 300 states and 350 transitions. [2025-01-10 02:24:22,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:24:22,717 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2025-01-10 02:24:22,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:22,718 INFO L225 Difference]: With dead ends: 300 [2025-01-10 02:24:22,719 INFO L226 Difference]: Without dead ends: 229 [2025-01-10 02:24:22,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:24:22,720 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 100 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:22,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 63 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:24:22,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2025-01-10 02:24:22,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 217. [2025-01-10 02:24:22,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 189 states have (on average 1.1851851851851851) internal successors, (224), 206 states have internal predecessors, (224), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:24:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 234 transitions. [2025-01-10 02:24:22,727 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 234 transitions. Word has length 57 [2025-01-10 02:24:22,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:22,727 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 234 transitions. [2025-01-10 02:24:22,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:24:22,728 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 234 transitions. [2025-01-10 02:24:22,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-01-10 02:24:22,729 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:22,729 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:22,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 02:24:22,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:22,930 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:22,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:22,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1579444947, now seen corresponding path program 1 times [2025-01-10 02:24:22,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:22,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22722593] [2025-01-10 02:24:22,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:22,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:22,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-10 02:24:22,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-10 02:24:22,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:22,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:22,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [374108497] [2025-01-10 02:24:22,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:22,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:22,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:22,951 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:22,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 02:24:22,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-10 02:24:22,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-10 02:24:22,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:22,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:22,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:24:22,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:23,145 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:24:23,145 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:23,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:23,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22722593] [2025-01-10 02:24:23,314 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:23,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374108497] [2025-01-10 02:24:23,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374108497] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:24:23,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:24:23,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-01-10 02:24:23,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472965487] [2025-01-10 02:24:23,315 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:24:23,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:24:23,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:23,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:24:23,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:24:23,316 INFO L87 Difference]: Start difference. First operand 217 states and 234 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:24:23,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:23,442 INFO L93 Difference]: Finished difference Result 217 states and 234 transitions. [2025-01-10 02:24:23,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:24:23,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 77 [2025-01-10 02:24:23,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:23,443 INFO L225 Difference]: With dead ends: 217 [2025-01-10 02:24:23,444 INFO L226 Difference]: Without dead ends: 215 [2025-01-10 02:24:23,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:24:23,445 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 63 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:23,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 48 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:24:23,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-01-10 02:24:23,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2025-01-10 02:24:23,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 189 states have (on average 1.1587301587301588) internal successors, (219), 204 states have internal predecessors, (219), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:24:23,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 229 transitions. [2025-01-10 02:24:23,452 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 229 transitions. Word has length 77 [2025-01-10 02:24:23,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:23,452 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 229 transitions. [2025-01-10 02:24:23,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:24:23,453 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 229 transitions. [2025-01-10 02:24:23,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-01-10 02:24:23,453 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:23,453 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:23,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-10 02:24:23,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-01-10 02:24:23,654 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:23,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:23,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1718153224, now seen corresponding path program 1 times [2025-01-10 02:24:23,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:23,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475692235] [2025-01-10 02:24:23,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:23,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:23,660 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-10 02:24:23,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-10 02:24:23,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:23,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:23,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1029544123] [2025-01-10 02:24:23,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:23,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:23,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:23,674 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:23,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-10 02:24:23,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-10 02:24:23,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-10 02:24:23,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:23,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:23,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:24:23,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:23,872 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:24:23,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:23,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:23,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475692235] [2025-01-10 02:24:23,937 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:23,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029544123] [2025-01-10 02:24:23,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029544123] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:24:23,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:24:23,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 02:24:23,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091251810] [2025-01-10 02:24:23,937 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:24:23,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:24:23,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:23,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:24:23,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:24:23,939 INFO L87 Difference]: Start difference. First operand 215 states and 229 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:24:24,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:24,084 INFO L93 Difference]: Finished difference Result 224 states and 237 transitions. [2025-01-10 02:24:24,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:24:24,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 78 [2025-01-10 02:24:24,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:24,086 INFO L225 Difference]: With dead ends: 224 [2025-01-10 02:24:24,086 INFO L226 Difference]: Without dead ends: 220 [2025-01-10 02:24:24,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:24:24,087 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 6 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:24,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 111 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:24:24,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2025-01-10 02:24:24,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2025-01-10 02:24:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 194 states have (on average 1.1494845360824741) internal successors, (223), 209 states have internal predecessors, (223), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:24:24,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 233 transitions. [2025-01-10 02:24:24,094 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 233 transitions. Word has length 78 [2025-01-10 02:24:24,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:24,094 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 233 transitions. [2025-01-10 02:24:24,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:24:24,094 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 233 transitions. [2025-01-10 02:24:24,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-01-10 02:24:24,095 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:24,095 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:24,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-10 02:24:24,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:24,295 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:24,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:24,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1917413353, now seen corresponding path program 1 times [2025-01-10 02:24:24,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:24,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845675023] [2025-01-10 02:24:24,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:24,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:24,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-10 02:24:24,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-10 02:24:24,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:24,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:24,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1386602597] [2025-01-10 02:24:24,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:24,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:24,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:24,315 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:24,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-10 02:24:24,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-10 02:24:24,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-10 02:24:24,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:24,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:24,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:24:24,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:24:24,526 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:24,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:24,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845675023] [2025-01-10 02:24:24,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:24,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386602597] [2025-01-10 02:24:24,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386602597] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:24:24,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:24:24,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-01-10 02:24:24,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926052046] [2025-01-10 02:24:24,644 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:24:24,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:24:24,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:24,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:24:24,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:24:24,645 INFO L87 Difference]: Start difference. First operand 220 states and 233 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:24:24,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:24,789 INFO L93 Difference]: Finished difference Result 221 states and 233 transitions. [2025-01-10 02:24:24,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:24:24,790 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 81 [2025-01-10 02:24:24,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:24,790 INFO L225 Difference]: With dead ends: 221 [2025-01-10 02:24:24,790 INFO L226 Difference]: Without dead ends: 215 [2025-01-10 02:24:24,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:24:24,791 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 6 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:24,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 118 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:24:24,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-01-10 02:24:24,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2025-01-10 02:24:24,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 189 states have (on average 1.1481481481481481) internal successors, (217), 204 states have internal predecessors, (217), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:24:24,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 227 transitions. [2025-01-10 02:24:24,796 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 227 transitions. Word has length 81 [2025-01-10 02:24:24,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:24,797 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 227 transitions. [2025-01-10 02:24:24,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:24:24,797 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 227 transitions. [2025-01-10 02:24:24,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-10 02:24:24,797 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:24,797 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:24:24,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-10 02:24:24,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 02:24:24,997 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:24,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:24,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1784316206, now seen corresponding path program 1 times [2025-01-10 02:24:24,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:24,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434933150] [2025-01-10 02:24:24,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:24,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:25,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-10 02:24:25,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 02:24:25,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:25,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:25,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [317783237] [2025-01-10 02:24:25,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:25,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:25,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:25,012 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:25,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-10 02:24:25,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-10 02:24:25,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 02:24:25,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:25,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:25,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 02:24:25,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:24:25,168 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:25,360 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:24:25,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:25,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434933150] [2025-01-10 02:24:25,361 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:25,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317783237] [2025-01-10 02:24:25,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317783237] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:24:25,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:24:25,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 02:24:25,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135579931] [2025-01-10 02:24:25,361 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:24:25,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:24:25,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:25,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:24:25,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:24:25,363 INFO L87 Difference]: Start difference. First operand 215 states and 227 transitions. Second operand has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:24:25,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:25,570 INFO L93 Difference]: Finished difference Result 224 states and 235 transitions. [2025-01-10 02:24:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:24:25,571 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 82 [2025-01-10 02:24:25,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:25,571 INFO L225 Difference]: With dead ends: 224 [2025-01-10 02:24:25,571 INFO L226 Difference]: Without dead ends: 218 [2025-01-10 02:24:25,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:24:25,572 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 140 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:25,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 154 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:24:25,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-01-10 02:24:25,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 211. [2025-01-10 02:24:25,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 189 states have (on average 1.1005291005291005) internal successors, (208), 200 states have internal predecessors, (208), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:24:25,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 218 transitions. [2025-01-10 02:24:25,578 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 218 transitions. Word has length 82 [2025-01-10 02:24:25,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:25,578 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 218 transitions. [2025-01-10 02:24:25,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:24:25,578 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 218 transitions. [2025-01-10 02:24:25,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-10 02:24:25,579 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:25,579 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 02:24:25,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-01-10 02:24:25,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 02:24:25,780 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:25,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:25,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1105744896, now seen corresponding path program 2 times [2025-01-10 02:24:25,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:25,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381709480] [2025-01-10 02:24:25,780 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:24:25,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:25,785 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 120 statements into 2 equivalence classes. [2025-01-10 02:24:25,794 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 120 of 120 statements. [2025-01-10 02:24:25,794 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:24:25,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:25,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1093798595] [2025-01-10 02:24:25,794 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:24:25,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:25,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:25,796 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:25,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-10 02:24:25,815 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 120 statements into 2 equivalence classes. [2025-01-10 02:24:25,823 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 36 of 120 statements. [2025-01-10 02:24:25,823 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 02:24:25,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:25,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:24:25,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:26,140 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2025-01-10 02:24:26,140 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:24:26,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:26,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381709480] [2025-01-10 02:24:26,140 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:26,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093798595] [2025-01-10 02:24:26,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093798595] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:24:26,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:24:26,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:24:26,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066479274] [2025-01-10 02:24:26,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:24:26,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:24:26,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:26,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:24:26,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:24:26,142 INFO L87 Difference]: Start difference. First operand 211 states and 218 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:24:26,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:26,218 INFO L93 Difference]: Finished difference Result 213 states and 218 transitions. [2025-01-10 02:24:26,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:24:26,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 120 [2025-01-10 02:24:26,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:26,219 INFO L225 Difference]: With dead ends: 213 [2025-01-10 02:24:26,220 INFO L226 Difference]: Without dead ends: 204 [2025-01-10 02:24:26,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:24:26,220 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 47 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:26,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 57 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:24:26,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2025-01-10 02:24:26,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2025-01-10 02:24:26,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 183 states have (on average 1.0765027322404372) internal successors, (197), 193 states have internal predecessors, (197), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:24:26,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 207 transitions. [2025-01-10 02:24:26,227 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 207 transitions. Word has length 120 [2025-01-10 02:24:26,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:26,227 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 207 transitions. [2025-01-10 02:24:26,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:24:26,227 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 207 transitions. [2025-01-10 02:24:26,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-10 02:24:26,228 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:26,228 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-01-10 02:24:26,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-10 02:24:26,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:26,432 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:26,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:26,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1105743710, now seen corresponding path program 1 times [2025-01-10 02:24:26,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:26,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233317480] [2025-01-10 02:24:26,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:26,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:26,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-10 02:24:26,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-10 02:24:26,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:26,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:26,532 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2025-01-10 02:24:26,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:26,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233317480] [2025-01-10 02:24:26,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233317480] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:24:26,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819264911] [2025-01-10 02:24:26,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:26,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:26,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:26,534 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:26,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-10 02:24:26,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-10 02:24:26,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-10 02:24:26,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:26,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:26,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:24:26,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:26,678 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:24:26,678 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:26,785 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:24:26,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819264911] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:24:26,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:24:26,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2025-01-10 02:24:26,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342259257] [2025-01-10 02:24:26,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:24:26,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:24:26,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:26,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:24:26,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:24:26,787 INFO L87 Difference]: Start difference. First operand 204 states and 207 transitions. Second operand has 10 states, 9 states have (on average 28.11111111111111) internal successors, (253), 10 states have internal predecessors, (253), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:24:26,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:26,844 INFO L93 Difference]: Finished difference Result 233 states and 235 transitions. [2025-01-10 02:24:26,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:24:26,845 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 28.11111111111111) internal successors, (253), 10 states have internal predecessors, (253), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 120 [2025-01-10 02:24:26,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:26,846 INFO L225 Difference]: With dead ends: 233 [2025-01-10 02:24:26,846 INFO L226 Difference]: Without dead ends: 232 [2025-01-10 02:24:26,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=88, Invalid=122, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:24:26,846 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 127 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:26,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 269 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:24:26,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-01-10 02:24:26,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 203. [2025-01-10 02:24:26,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 183 states have (on average 1.0655737704918034) internal successors, (195), 192 states have internal predecessors, (195), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:24:26,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 205 transitions. [2025-01-10 02:24:26,851 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 205 transitions. Word has length 120 [2025-01-10 02:24:26,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:26,851 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 205 transitions. [2025-01-10 02:24:26,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 28.11111111111111) internal successors, (253), 10 states have internal predecessors, (253), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:24:26,852 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 205 transitions. [2025-01-10 02:24:26,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-01-10 02:24:26,852 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:26,852 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1] [2025-01-10 02:24:26,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-01-10 02:24:27,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:27,053 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:27,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:27,053 INFO L85 PathProgramCache]: Analyzing trace with hash 121560424, now seen corresponding path program 1 times [2025-01-10 02:24:27,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:27,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011011599] [2025-01-10 02:24:27,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:27,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:27,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-10 02:24:27,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-10 02:24:27,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:27,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:27,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [625769971] [2025-01-10 02:24:27,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:27,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:27,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:27,070 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:27,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-10 02:24:27,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-10 02:24:27,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-10 02:24:27,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:27,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:27,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:24:27,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:24:27,209 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:27,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:27,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011011599] [2025-01-10 02:24:27,252 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:27,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625769971] [2025-01-10 02:24:27,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625769971] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:24:27,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:24:27,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 02:24:27,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326464492] [2025-01-10 02:24:27,253 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:24:27,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:24:27,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:27,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:24:27,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:24:27,253 INFO L87 Difference]: Start difference. First operand 203 states and 205 transitions. Second operand has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:24:27,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:27,423 INFO L93 Difference]: Finished difference Result 234 states and 237 transitions. [2025-01-10 02:24:27,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:24:27,424 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 126 [2025-01-10 02:24:27,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:27,425 INFO L225 Difference]: With dead ends: 234 [2025-01-10 02:24:27,425 INFO L226 Difference]: Without dead ends: 232 [2025-01-10 02:24:27,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:24:27,425 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 34 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:27,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 91 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:24:27,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-01-10 02:24:27,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 209. [2025-01-10 02:24:27,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 189 states have (on average 1.0634920634920635) internal successors, (201), 198 states have internal predecessors, (201), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:24:27,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 211 transitions. [2025-01-10 02:24:27,430 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 211 transitions. Word has length 126 [2025-01-10 02:24:27,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:27,430 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 211 transitions. [2025-01-10 02:24:27,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:24:27,430 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 211 transitions. [2025-01-10 02:24:27,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-01-10 02:24:27,431 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:27,431 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2025-01-10 02:24:27,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-10 02:24:27,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-01-10 02:24:27,632 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:27,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:27,633 INFO L85 PathProgramCache]: Analyzing trace with hash 855454122, now seen corresponding path program 1 times [2025-01-10 02:24:27,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:27,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128925358] [2025-01-10 02:24:27,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:27,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:27,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-01-10 02:24:27,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-01-10 02:24:27,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:27,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:27,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [790428148] [2025-01-10 02:24:27,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:27,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:27,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:27,666 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:27,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-10 02:24:27,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-01-10 02:24:27,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-01-10 02:24:27,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:27,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:27,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 02:24:27,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:27,997 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 3 proven. 117 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:24:27,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:28,901 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 3 proven. 117 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:24:28,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:28,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128925358] [2025-01-10 02:24:28,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:28,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790428148] [2025-01-10 02:24:28,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790428148] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:24:28,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:24:28,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2025-01-10 02:24:28,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256785787] [2025-01-10 02:24:28,902 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:24:28,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-10 02:24:28,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:28,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-10 02:24:28,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:24:28,903 INFO L87 Difference]: Start difference. First operand 209 states and 211 transitions. Second operand has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 19 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:24:32,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:24:33,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:33,905 INFO L93 Difference]: Finished difference Result 226 states and 230 transitions. [2025-01-10 02:24:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 02:24:33,906 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 19 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 128 [2025-01-10 02:24:33,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:33,908 INFO L225 Difference]: With dead ends: 226 [2025-01-10 02:24:33,909 INFO L226 Difference]: Without dead ends: 225 [2025-01-10 02:24:33,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2025-01-10 02:24:33,911 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 142 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:33,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 216 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2025-01-10 02:24:33,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2025-01-10 02:24:33,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 208. [2025-01-10 02:24:33,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 189 states have (on average 1.052910052910053) internal successors, (199), 197 states have internal predecessors, (199), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:24:33,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 209 transitions. [2025-01-10 02:24:33,929 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 209 transitions. Word has length 128 [2025-01-10 02:24:33,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:33,929 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 209 transitions. [2025-01-10 02:24:33,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 19 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:24:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2025-01-10 02:24:33,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-10 02:24:33,930 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:33,930 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2025-01-10 02:24:33,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-01-10 02:24:34,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:34,132 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:34,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:34,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1290759183, now seen corresponding path program 2 times [2025-01-10 02:24:34,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:34,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435663101] [2025-01-10 02:24:34,132 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:24:34,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:34,140 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 134 statements into 2 equivalence classes. [2025-01-10 02:24:34,170 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-01-10 02:24:34,170 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:24:34,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:34,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [535635713] [2025-01-10 02:24:34,171 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:24:34,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:34,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:34,173 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:34,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-10 02:24:34,194 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 134 statements into 2 equivalence classes. [2025-01-10 02:24:34,212 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-01-10 02:24:34,213 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:24:34,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:34,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:24:34,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:24:34,482 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:24:34,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:34,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435663101] [2025-01-10 02:24:34,721 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:34,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535635713] [2025-01-10 02:24:34,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535635713] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:24:34,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:24:34,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-01-10 02:24:34,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631633681] [2025-01-10 02:24:34,721 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:24:34,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 02:24:34,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:34,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 02:24:34,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:24:34,722 INFO L87 Difference]: Start difference. First operand 208 states and 209 transitions. Second operand has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:24:35,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:35,448 INFO L93 Difference]: Finished difference Result 363 states and 389 transitions. [2025-01-10 02:24:35,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 02:24:35,448 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 134 [2025-01-10 02:24:35,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:35,450 INFO L225 Difference]: With dead ends: 363 [2025-01-10 02:24:35,450 INFO L226 Difference]: Without dead ends: 360 [2025-01-10 02:24:35,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:24:35,450 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 273 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:35,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 352 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 02:24:35,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2025-01-10 02:24:35,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 327. [2025-01-10 02:24:35,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 304 states have (on average 1.069078947368421) internal successors, (325), 312 states have internal predecessors, (325), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 02:24:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 343 transitions. [2025-01-10 02:24:35,461 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 343 transitions. Word has length 134 [2025-01-10 02:24:35,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:35,461 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 343 transitions. [2025-01-10 02:24:35,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:24:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 343 transitions. [2025-01-10 02:24:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-01-10 02:24:35,462 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:35,462 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2025-01-10 02:24:35,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 02:24:35,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:35,666 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:35,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:35,666 INFO L85 PathProgramCache]: Analyzing trace with hash -2086443337, now seen corresponding path program 1 times [2025-01-10 02:24:35,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:35,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287809775] [2025-01-10 02:24:35,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:35,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:35,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-01-10 02:24:35,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-01-10 02:24:35,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:35,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:35,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1322825122] [2025-01-10 02:24:35,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:35,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:35,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:35,691 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:35,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-10 02:24:35,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-01-10 02:24:35,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-01-10 02:24:35,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:35,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:35,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:24:35,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:24:35,865 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:36,160 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:24:36,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:36,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287809775] [2025-01-10 02:24:36,160 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:36,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322825122] [2025-01-10 02:24:36,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322825122] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:24:36,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:24:36,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-01-10 02:24:36,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487463799] [2025-01-10 02:24:36,160 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:24:36,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:24:36,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:36,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:24:36,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:24:36,161 INFO L87 Difference]: Start difference. First operand 327 states and 343 transitions. Second operand has 10 states, 9 states have (on average 28.0) internal successors, (252), 10 states have internal predecessors, (252), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:24:36,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:36,696 INFO L93 Difference]: Finished difference Result 429 states and 460 transitions. [2025-01-10 02:24:36,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:24:36,696 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 28.0) internal successors, (252), 10 states have internal predecessors, (252), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 140 [2025-01-10 02:24:36,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:36,698 INFO L225 Difference]: With dead ends: 429 [2025-01-10 02:24:36,698 INFO L226 Difference]: Without dead ends: 388 [2025-01-10 02:24:36,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:24:36,699 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 262 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:36,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 282 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:24:36,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2025-01-10 02:24:36,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 376. [2025-01-10 02:24:36,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 352 states have (on average 1.0482954545454546) internal successors, (369), 360 states have internal predecessors, (369), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 02:24:36,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 389 transitions. [2025-01-10 02:24:36,711 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 389 transitions. Word has length 140 [2025-01-10 02:24:36,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:36,712 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 389 transitions. [2025-01-10 02:24:36,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 28.0) internal successors, (252), 10 states have internal predecessors, (252), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:24:36,712 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 389 transitions. [2025-01-10 02:24:36,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-01-10 02:24:36,713 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:36,713 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2025-01-10 02:24:36,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-10 02:24:36,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:36,917 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:36,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:36,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1296361333, now seen corresponding path program 1 times [2025-01-10 02:24:36,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:36,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759744090] [2025-01-10 02:24:36,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:36,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:36,925 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-01-10 02:24:36,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-01-10 02:24:36,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:36,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:37,136 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:24:37,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:37,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759744090] [2025-01-10 02:24:37,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759744090] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:24:37,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408646986] [2025-01-10 02:24:37,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:37,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:37,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:37,141 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:37,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-10 02:24:37,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-01-10 02:24:37,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-01-10 02:24:37,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:37,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:37,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:24:37,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:37,329 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:37,330 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:24:37,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408646986] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:24:37,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:24:37,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2025-01-10 02:24:37,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001750467] [2025-01-10 02:24:37,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:24:37,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-10 02:24:37,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:37,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-10 02:24:37,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:24:37,585 INFO L87 Difference]: Start difference. First operand 376 states and 389 transitions. Second operand has 22 states, 22 states have (on average 14.772727272727273) internal successors, (325), 22 states have internal predecessors, (325), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2025-01-10 02:24:37,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:37,831 INFO L93 Difference]: Finished difference Result 498 states and 507 transitions. [2025-01-10 02:24:37,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-10 02:24:37,832 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 14.772727272727273) internal successors, (325), 22 states have internal predecessors, (325), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 176 [2025-01-10 02:24:37,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:37,833 INFO L225 Difference]: With dead ends: 498 [2025-01-10 02:24:37,833 INFO L226 Difference]: Without dead ends: 460 [2025-01-10 02:24:37,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=549, Invalid=1091, Unknown=0, NotChecked=0, Total=1640 [2025-01-10 02:24:37,834 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 136 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:37,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 738 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:24:37,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2025-01-10 02:24:37,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 454. [2025-01-10 02:24:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 423 states have (on average 1.0354609929078014) internal successors, (438), 431 states have internal predecessors, (438), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-10 02:24:37,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 460 transitions. [2025-01-10 02:24:37,848 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 460 transitions. Word has length 176 [2025-01-10 02:24:37,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:37,848 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 460 transitions. [2025-01-10 02:24:37,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 14.772727272727273) internal successors, (325), 22 states have internal predecessors, (325), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2025-01-10 02:24:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 460 transitions. [2025-01-10 02:24:37,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2025-01-10 02:24:37,849 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:37,849 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2025-01-10 02:24:37,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-01-10 02:24:38,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-01-10 02:24:38,050 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:38,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:38,050 INFO L85 PathProgramCache]: Analyzing trace with hash 519938001, now seen corresponding path program 3 times [2025-01-10 02:24:38,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:38,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983264661] [2025-01-10 02:24:38,050 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:24:38,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:38,070 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 302 statements into 8 equivalence classes. [2025-01-10 02:24:38,111 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 302 of 302 statements. [2025-01-10 02:24:38,111 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-01-10 02:24:38,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:38,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [278830885] [2025-01-10 02:24:38,112 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:24:38,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:38,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:38,116 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:24:38,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-10 02:24:38,150 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 302 statements into 8 equivalence classes. [2025-01-10 02:24:40,274 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 302 of 302 statements. [2025-01-10 02:24:40,274 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-01-10 02:24:40,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:40,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-01-10 02:24:40,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 36 proven. 840 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-10 02:24:40,824 INFO L312 TraceCheckSpWp]: Computing backward predicates...