./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_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/hard2_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 5506d4c7458a400c41a33af3f6404f1e04b9f2e97e99f1fb53b74acf6bf59baf --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:13:50,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:13:50,428 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:13:50,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:13:50,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:13:50,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:13:50,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:13:50,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:13:50,448 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:13:50,448 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:13:50,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:13:50,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:13:50,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:13:50,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:13:50,449 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:13:50,450 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:13:50,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:13:50,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:13:50,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:13:50,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:13:50,451 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 -> 5506d4c7458a400c41a33af3f6404f1e04b9f2e97e99f1fb53b74acf6bf59baf [2025-01-10 02:13:50,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:13:50,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:13:50,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:13:50,813 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:13:50,814 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:13:50,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c [2025-01-10 02:13:52,002 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/41cc2fd04/e0b5c6bd760445b2a5acaab5a64cda4d/FLAGd98a84fbe [2025-01-10 02:13:52,264 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:13:52,266 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c [2025-01-10 02:13:52,272 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/41cc2fd04/e0b5c6bd760445b2a5acaab5a64cda4d/FLAGd98a84fbe [2025-01-10 02:13:52,576 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/41cc2fd04/e0b5c6bd760445b2a5acaab5a64cda4d [2025-01-10 02:13:52,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:13:52,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:13:52,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:13:52,580 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:13:52,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:13:52,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:13:52" (1/1) ... [2025-01-10 02:13:52,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200b0d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52, skipping insertion in model container [2025-01-10 02:13:52,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:13:52" (1/1) ... [2025-01-10 02:13:52,593 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:13:52,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:13:52,738 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:13:52,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:13:52,764 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:13:52,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52 WrapperNode [2025-01-10 02:13:52,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:13:52,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:13:52,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:13:52,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:13:52,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52" (1/1) ... [2025-01-10 02:13:52,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52" (1/1) ... [2025-01-10 02:13:52,793 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2025-01-10 02:13:52,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:13:52,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:13:52,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:13:52,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:13:52,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52" (1/1) ... [2025-01-10 02:13:52,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52" (1/1) ... [2025-01-10 02:13:52,804 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52" (1/1) ... [2025-01-10 02:13:52,812 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2025-01-10 02:13:52,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52" (1/1) ... [2025-01-10 02:13:52,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52" (1/1) ... [2025-01-10 02:13:52,816 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52" (1/1) ... [2025-01-10 02:13:52,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52" (1/1) ... [2025-01-10 02:13:52,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52" (1/1) ... [2025-01-10 02:13:52,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52" (1/1) ... [2025-01-10 02:13:52,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52" (1/1) ... [2025-01-10 02:13:52,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:13:52,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:13:52,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:13:52,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:13:52,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52" (1/1) ... [2025-01-10 02:13:52,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:13:52,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:52,863 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 02:13:52,874 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 02:13:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:13:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:13:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 02:13:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:13:52,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:13:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:13:52,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:13:52,938 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:13:52,940 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:13:53,135 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2025-01-10 02:13:53,135 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:13:53,144 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:13:53,144 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 02:13:53,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:13:53 BoogieIcfgContainer [2025-01-10 02:13:53,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:13:53,146 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:13:53,146 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:13:53,150 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:13:53,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:13:52" (1/3) ... [2025-01-10 02:13:53,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c40b301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:13:53, skipping insertion in model container [2025-01-10 02:13:53,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:13:52" (2/3) ... [2025-01-10 02:13:53,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c40b301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:13:53, skipping insertion in model container [2025-01-10 02:13:53,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:13:53" (3/3) ... [2025-01-10 02:13:53,154 INFO L128 eAbstractionObserver]: Analyzing ICFG hard2_unwindbound50.c [2025-01-10 02:13:53,165 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:13:53,166 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard2_unwindbound50.c that has 2 procedures, 82 locations, 1 initial locations, 2 loop locations, and 28 error locations. [2025-01-10 02:13:53,202 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:13:53,210 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;@5d990d2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:13:53,211 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2025-01-10 02:13:53,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 45 states have (on average 1.8) internal successors, (81), 73 states have internal predecessors, (81), 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 02:13:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-10 02:13:53,216 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:53,217 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-10 02:13:53,217 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:53,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:53,221 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2025-01-10 02:13:53,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:53,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775813229] [2025-01-10 02:13:53,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:53,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:53,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 02:13:53,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 02:13:53,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:53,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:53,357 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 02:13:53,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:53,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775813229] [2025-01-10 02:13:53,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775813229] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:53,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:13:53,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:13:53,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666617222] [2025-01-10 02:13:53,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:53,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:13:53,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:53,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:13:53,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:13:53,379 INFO L87 Difference]: Start difference. First operand has 82 states, 45 states have (on average 1.8) internal successors, (81), 73 states have internal predecessors, (81), 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) 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 02:13:53,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:53,442 INFO L93 Difference]: Finished difference Result 165 states and 202 transitions. [2025-01-10 02:13:53,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:13:53,445 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 02:13:53,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:53,449 INFO L225 Difference]: With dead ends: 165 [2025-01-10 02:13:53,449 INFO L226 Difference]: Without dead ends: 78 [2025-01-10 02:13:53,453 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 02:13:53,455 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 4 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 253 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 02:13:53,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 253 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:13:53,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-01-10 02:13:53,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2025-01-10 02:13:53,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 44 states have (on average 1.7272727272727273) internal successors, (76), 71 states have internal predecessors, (76), 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 02:13:53,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 86 transitions. [2025-01-10 02:13:53,493 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 86 transitions. Word has length 4 [2025-01-10 02:13:53,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:53,493 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 86 transitions. [2025-01-10 02:13:53,493 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 02:13:53,494 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2025-01-10 02:13:53,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-01-10 02:13:53,495 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:53,495 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:53,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 02:13:53,496 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:53,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:53,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1496348935, now seen corresponding path program 1 times [2025-01-10 02:13:53,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:53,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131735526] [2025-01-10 02:13:53,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:53,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:53,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-10 02:13:53,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-10 02:13:53,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:53,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:13:53,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1722328163] [2025-01-10 02:13:53,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:53,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:53,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:53,534 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 02:13:53,539 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 02:13:53,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-10 02:13:53,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-10 02:13:53,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:53,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:53,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:13:53,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:53,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:13:53,628 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:13:53,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:53,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131735526] [2025-01-10 02:13:53,629 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:53,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722328163] [2025-01-10 02:13:53,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722328163] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:53,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:13:53,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:13:53,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780357612] [2025-01-10 02:13:53,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:53,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:13:53,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:53,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:13:53,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:13:53,631 INFO L87 Difference]: Start difference. First operand 78 states and 86 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:13:53,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:53,727 INFO L93 Difference]: Finished difference Result 167 states and 191 transitions. [2025-01-10 02:13:53,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:13:53,727 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2025-01-10 02:13:53,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:53,728 INFO L225 Difference]: With dead ends: 167 [2025-01-10 02:13:53,728 INFO L226 Difference]: Without dead ends: 113 [2025-01-10 02:13:53,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 02:13:53,729 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 29 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:53,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 118 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:13:53,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-01-10 02:13:53,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 101. [2025-01-10 02:13:53,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 62 states have (on average 1.6774193548387097) internal successors, (104), 89 states have internal predecessors, (104), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 02:13:53,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 124 transitions. [2025-01-10 02:13:53,744 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 124 transitions. Word has length 17 [2025-01-10 02:13:53,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:53,745 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 124 transitions. [2025-01-10 02:13:53,745 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:13:53,745 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2025-01-10 02:13:53,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-10 02:13:53,746 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:53,746 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:53,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 02:13:53,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:53,947 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:53,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:53,949 INFO L85 PathProgramCache]: Analyzing trace with hash 328891425, now seen corresponding path program 1 times [2025-01-10 02:13:53,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:53,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232061974] [2025-01-10 02:13:53,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:53,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:53,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 02:13:53,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 02:13:53,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:53,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:54,079 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:13:54,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:54,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232061974] [2025-01-10 02:13:54,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232061974] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:54,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:13:54,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:13:54,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939966326] [2025-01-10 02:13:54,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:54,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:13:54,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:54,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:13:54,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:13:54,081 INFO L87 Difference]: Start difference. First operand 101 states and 124 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:54,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:54,120 INFO L93 Difference]: Finished difference Result 113 states and 131 transitions. [2025-01-10 02:13:54,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:13:54,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2025-01-10 02:13:54,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:54,121 INFO L225 Difference]: With dead ends: 113 [2025-01-10 02:13:54,121 INFO L226 Difference]: Without dead ends: 111 [2025-01-10 02:13:54,122 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 02:13:54,122 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 23 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:54,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 131 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:13:54,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2025-01-10 02:13:54,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 101. [2025-01-10 02:13:54,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 62 states have (on average 1.6451612903225807) internal successors, (102), 89 states have internal predecessors, (102), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 02:13:54,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 122 transitions. [2025-01-10 02:13:54,128 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 122 transitions. Word has length 25 [2025-01-10 02:13:54,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:54,128 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 122 transitions. [2025-01-10 02:13:54,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:54,129 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 122 transitions. [2025-01-10 02:13:54,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-10 02:13:54,129 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:54,129 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:54,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 02:13:54,129 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:54,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:54,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1605698107, now seen corresponding path program 1 times [2025-01-10 02:13:54,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:54,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634481546] [2025-01-10 02:13:54,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:54,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:54,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 02:13:54,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 02:13:54,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:54,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:13:54,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:54,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634481546] [2025-01-10 02:13:54,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634481546] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:54,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:13:54,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:13:54,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736215955] [2025-01-10 02:13:54,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:54,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:13:54,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:54,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:13:54,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:13:54,243 INFO L87 Difference]: Start difference. First operand 101 states and 122 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:54,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:54,321 INFO L93 Difference]: Finished difference Result 124 states and 137 transitions. [2025-01-10 02:13:54,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:13:54,322 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2025-01-10 02:13:54,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:54,323 INFO L225 Difference]: With dead ends: 124 [2025-01-10 02:13:54,323 INFO L226 Difference]: Without dead ends: 123 [2025-01-10 02:13:54,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:13:54,323 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 46 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:54,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 380 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:13:54,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-01-10 02:13:54,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 105. [2025-01-10 02:13:54,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 65 states have (on average 1.6) internal successors, (104), 92 states have internal predecessors, (104), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 02:13:54,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2025-01-10 02:13:54,330 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 26 [2025-01-10 02:13:54,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:54,330 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2025-01-10 02:13:54,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2025-01-10 02:13:54,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 02:13:54,331 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:54,331 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:54,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 02:13:54,331 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:54,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:54,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1762966159, now seen corresponding path program 1 times [2025-01-10 02:13:54,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:54,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947581586] [2025-01-10 02:13:54,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:54,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:54,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 02:13:54,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 02:13:54,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:54,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:54,402 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:13:54,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:54,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947581586] [2025-01-10 02:13:54,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947581586] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:54,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:13:54,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:13:54,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155759676] [2025-01-10 02:13:54,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:54,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:13:54,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:54,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:13:54,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:13:54,404 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:54,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:54,466 INFO L93 Difference]: Finished difference Result 123 states and 139 transitions. [2025-01-10 02:13:54,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:13:54,466 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2025-01-10 02:13:54,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:54,467 INFO L225 Difference]: With dead ends: 123 [2025-01-10 02:13:54,467 INFO L226 Difference]: Without dead ends: 114 [2025-01-10 02:13:54,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:13:54,468 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 21 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:54,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 419 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:13:54,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-01-10 02:13:54,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2025-01-10 02:13:54,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 68 states have (on average 1.5441176470588236) internal successors, (105), 95 states have internal predecessors, (105), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 02:13:54,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2025-01-10 02:13:54,474 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 27 [2025-01-10 02:13:54,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:54,474 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2025-01-10 02:13:54,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:54,475 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2025-01-10 02:13:54,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 02:13:54,475 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:54,475 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:54,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 02:13:54,475 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:54,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:54,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1993361642, now seen corresponding path program 1 times [2025-01-10 02:13:54,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:54,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859078876] [2025-01-10 02:13:54,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:54,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:54,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:13:54,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:13:54,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:54,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:13:54,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1353379495] [2025-01-10 02:13:54,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:54,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:54,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:54,501 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 02:13:54,503 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 02:13:54,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:13:54,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:13:54,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:54,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:54,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:13:54,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:54,565 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:13:54,565 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:13:54,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:54,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859078876] [2025-01-10 02:13:54,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:54,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353379495] [2025-01-10 02:13:54,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353379495] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:54,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:13:54,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:13:54,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230714844] [2025-01-10 02:13:54,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:54,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:13:54,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:54,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:13:54,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:13:54,570 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:54,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:54,671 INFO L93 Difference]: Finished difference Result 149 states and 175 transitions. [2025-01-10 02:13:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:13:54,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2025-01-10 02:13:54,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:54,672 INFO L225 Difference]: With dead ends: 149 [2025-01-10 02:13:54,672 INFO L226 Difference]: Without dead ends: 145 [2025-01-10 02:13:54,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 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 02:13:54,673 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 45 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:54,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 105 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:13:54,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2025-01-10 02:13:54,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2025-01-10 02:13:54,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 86 states have (on average 1.558139534883721) internal successors, (134), 113 states have internal predecessors, (134), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:13:54,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 158 transitions. [2025-01-10 02:13:54,680 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 158 transitions. Word has length 29 [2025-01-10 02:13:54,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:54,680 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 158 transitions. [2025-01-10 02:13:54,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:54,681 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 158 transitions. [2025-01-10 02:13:54,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:13:54,681 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:54,681 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:54,687 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 02:13:54,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:54,885 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:54,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:54,886 INFO L85 PathProgramCache]: Analyzing trace with hash -244664895, now seen corresponding path program 1 times [2025-01-10 02:13:54,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:54,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89639266] [2025-01-10 02:13:54,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:54,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:54,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:13:54,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:13:54,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:54,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:54,969 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:13:54,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:54,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89639266] [2025-01-10 02:13:54,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89639266] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:54,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063062307] [2025-01-10 02:13:54,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:54,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:54,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:54,975 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 02:13:54,976 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 02:13:54,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:13:55,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:13:55,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:55,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:55,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:13:55,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:13:55,101 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:13:55,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063062307] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:55,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:55,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-10 02:13:55,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382735683] [2025-01-10 02:13:55,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:55,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:13:55,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:55,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:13:55,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:13:55,102 INFO L87 Difference]: Start difference. First operand 129 states and 158 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:55,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:55,135 INFO L93 Difference]: Finished difference Result 138 states and 166 transitions. [2025-01-10 02:13:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:13:55,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2025-01-10 02:13:55,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:55,137 INFO L225 Difference]: With dead ends: 138 [2025-01-10 02:13:55,137 INFO L226 Difference]: Without dead ends: 137 [2025-01-10 02:13:55,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:13:55,137 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 19 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 198 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 02:13:55,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 198 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:13:55,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2025-01-10 02:13:55,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2025-01-10 02:13:55,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 89 states have (on average 1.5280898876404494) internal successors, (136), 115 states have internal predecessors, (136), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:13:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 160 transitions. [2025-01-10 02:13:55,150 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 160 transitions. Word has length 30 [2025-01-10 02:13:55,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:55,150 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 160 transitions. [2025-01-10 02:13:55,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 160 transitions. [2025-01-10 02:13:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 02:13:55,151 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:55,151 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 02:13:55,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 02:13:55,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:55,351 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:55,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:55,352 INFO L85 PathProgramCache]: Analyzing trace with hash -65121192, now seen corresponding path program 1 times [2025-01-10 02:13:55,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:55,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898107401] [2025-01-10 02:13:55,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:55,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:55,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:13:55,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:13:55,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:55,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:13:55,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [445396716] [2025-01-10 02:13:55,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:55,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:55,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:55,365 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 02:13:55,366 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 02:13:55,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:13:55,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:13:55,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:55,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:55,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:13:55,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:55,481 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:13:55,481 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:13:55,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:55,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898107401] [2025-01-10 02:13:55,482 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:55,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445396716] [2025-01-10 02:13:55,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445396716] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:55,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:13:55,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:13:55,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139407388] [2025-01-10 02:13:55,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:55,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:13:55,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:55,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:13:55,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:13:55,482 INFO L87 Difference]: Start difference. First operand 132 states and 160 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:55,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:55,528 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2025-01-10 02:13:55,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:13:55,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2025-01-10 02:13:55,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:55,529 INFO L225 Difference]: With dead ends: 146 [2025-01-10 02:13:55,529 INFO L226 Difference]: Without dead ends: 144 [2025-01-10 02:13:55,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 02:13:55,530 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 38 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:55,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 96 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:13:55,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2025-01-10 02:13:55,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 133. [2025-01-10 02:13:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 90 states have (on average 1.5) internal successors, (135), 116 states have internal predecessors, (135), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:13:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 159 transitions. [2025-01-10 02:13:55,546 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 159 transitions. Word has length 31 [2025-01-10 02:13:55,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:55,547 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 159 transitions. [2025-01-10 02:13:55,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:55,547 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2025-01-10 02:13:55,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 02:13:55,548 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:55,548 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:55,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 02:13:55,753 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,SelfDestructingSolverStorable7 [2025-01-10 02:13:55,753 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:55,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:55,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1005322887, now seen corresponding path program 1 times [2025-01-10 02:13:55,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:55,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597612929] [2025-01-10 02:13:55,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:55,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:55,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:13:55,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:13:55,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:55,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:55,828 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:13:55,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:55,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597612929] [2025-01-10 02:13:55,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597612929] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:55,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903976178] [2025-01-10 02:13:55,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:55,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:55,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:55,834 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 02:13:55,839 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 02:13:55,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:13:55,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:13:55,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:55,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:55,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:13:55,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:13:55,919 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:13:55,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903976178] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:55,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:55,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-10 02:13:55,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801005945] [2025-01-10 02:13:55,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:55,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:13:55,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:55,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:13:55,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:13:55,921 INFO L87 Difference]: Start difference. First operand 133 states and 159 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:55,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:55,986 INFO L93 Difference]: Finished difference Result 138 states and 164 transitions. [2025-01-10 02:13:55,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:13:55,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2025-01-10 02:13:55,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:55,989 INFO L225 Difference]: With dead ends: 138 [2025-01-10 02:13:55,989 INFO L226 Difference]: Without dead ends: 137 [2025-01-10 02:13:55,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:13:55,989 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 16 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:55,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 269 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:13:55,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2025-01-10 02:13:55,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2025-01-10 02:13:55,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 90 states have (on average 1.488888888888889) internal successors, (134), 115 states have internal predecessors, (134), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:13:55,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 158 transitions. [2025-01-10 02:13:55,996 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 158 transitions. Word has length 31 [2025-01-10 02:13:55,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:55,996 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 158 transitions. [2025-01-10 02:13:55,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:55,996 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 158 transitions. [2025-01-10 02:13:55,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-10 02:13:55,996 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:55,997 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 02:13:56,002 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 02:13:56,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:56,198 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:56,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:56,198 INFO L85 PathProgramCache]: Analyzing trace with hash -2018756862, now seen corresponding path program 1 times [2025-01-10 02:13:56,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:56,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522729836] [2025-01-10 02:13:56,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:56,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:56,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:13:56,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:13:56,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:56,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:13:56,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:56,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522729836] [2025-01-10 02:13:56,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522729836] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:56,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:13:56,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:13:56,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854258823] [2025-01-10 02:13:56,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:56,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:13:56,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:56,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:13:56,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:13:56,246 INFO L87 Difference]: Start difference. First operand 132 states and 158 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:56,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:56,447 INFO L93 Difference]: Finished difference Result 152 states and 184 transitions. [2025-01-10 02:13:56,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:13:56,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2025-01-10 02:13:56,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:56,448 INFO L225 Difference]: With dead ends: 152 [2025-01-10 02:13:56,448 INFO L226 Difference]: Without dead ends: 151 [2025-01-10 02:13:56,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:13:56,449 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 90 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:56,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 159 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:13:56,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2025-01-10 02:13:56,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 140. [2025-01-10 02:13:56,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 98 states have (on average 1.489795918367347) internal successors, (146), 123 states have internal predecessors, (146), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:13:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 170 transitions. [2025-01-10 02:13:56,457 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 170 transitions. Word has length 32 [2025-01-10 02:13:56,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:56,457 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 170 transitions. [2025-01-10 02:13:56,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:13:56,457 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 170 transitions. [2025-01-10 02:13:56,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 02:13:56,458 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:56,458 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 02:13:56,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 02:13:56,458 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:56,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:56,458 INFO L85 PathProgramCache]: Analyzing trace with hash 767217160, now seen corresponding path program 1 times [2025-01-10 02:13:56,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:56,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069936060] [2025-01-10 02:13:56,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:56,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:56,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:13:56,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:13:56,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:56,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:56,517 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:13:56,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:56,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069936060] [2025-01-10 02:13:56,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069936060] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:56,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130514468] [2025-01-10 02:13:56,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:56,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:56,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:56,519 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 02:13:56,526 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 02:13:56,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:13:56,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:13:56,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:56,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:56,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:13:56,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:56,601 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:13:56,602 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:56,667 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:13:56,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130514468] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:13:56,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:13:56,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2025-01-10 02:13:56,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28463733] [2025-01-10 02:13:56,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:56,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 02:13:56,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:56,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 02:13:56,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:13:56,669 INFO L87 Difference]: Start difference. First operand 140 states and 170 transitions. Second operand has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-01-10 02:13:56,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:56,773 INFO L93 Difference]: Finished difference Result 281 states and 342 transitions. [2025-01-10 02:13:56,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 02:13:56,773 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 34 [2025-01-10 02:13:56,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:56,774 INFO L225 Difference]: With dead ends: 281 [2025-01-10 02:13:56,774 INFO L226 Difference]: Without dead ends: 202 [2025-01-10 02:13:56,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:13:56,775 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 65 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:56,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 398 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:13:56,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2025-01-10 02:13:56,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 180. [2025-01-10 02:13:56,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 130 states have (on average 1.476923076923077) internal successors, (192), 155 states have internal predecessors, (192), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-10 02:13:56,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 228 transitions. [2025-01-10 02:13:56,785 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 228 transitions. Word has length 34 [2025-01-10 02:13:56,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:56,785 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 228 transitions. [2025-01-10 02:13:56,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-01-10 02:13:56,786 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 228 transitions. [2025-01-10 02:13:56,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-10 02:13:56,786 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:56,786 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:56,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-10 02:13:56,987 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,SelfDestructingSolverStorable10 [2025-01-10 02:13:56,987 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:56,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:56,988 INFO L85 PathProgramCache]: Analyzing trace with hash -874625494, now seen corresponding path program 1 times [2025-01-10 02:13:56,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:56,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252958922] [2025-01-10 02:13:56,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:56,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:56,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:13:56,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:13:56,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:56,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:13:56,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [591507949] [2025-01-10 02:13:56,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:56,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:56,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:57,007 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 02:13:57,011 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 02:13:57,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:13:57,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:13:57,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:57,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:57,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:13:57,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:57,141 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 02:13:57,142 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:13:57,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:57,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252958922] [2025-01-10 02:13:57,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:57,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591507949] [2025-01-10 02:13:57,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591507949] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:57,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:13:57,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:13:57,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058389876] [2025-01-10 02:13:57,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:57,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:13:57,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:57,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:13:57,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:13:57,143 INFO L87 Difference]: Start difference. First operand 180 states and 228 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:13:57,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:57,219 INFO L93 Difference]: Finished difference Result 216 states and 267 transitions. [2025-01-10 02:13:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:13:57,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2025-01-10 02:13:57,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:57,220 INFO L225 Difference]: With dead ends: 216 [2025-01-10 02:13:57,220 INFO L226 Difference]: Without dead ends: 207 [2025-01-10 02:13:57,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 02:13:57,222 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 79 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:57,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 125 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:13:57,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2025-01-10 02:13:57,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 189. [2025-01-10 02:13:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 141 states have (on average 1.3971631205673758) internal successors, (197), 162 states have internal predecessors, (197), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:13:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 237 transitions. [2025-01-10 02:13:57,235 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 237 transitions. Word has length 43 [2025-01-10 02:13:57,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:57,236 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 237 transitions. [2025-01-10 02:13:57,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:13:57,236 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 237 transitions. [2025-01-10 02:13:57,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-01-10 02:13:57,238 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:57,238 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:57,251 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 02:13:57,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:57,439 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:57,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:57,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1343586486, now seen corresponding path program 1 times [2025-01-10 02:13:57,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:57,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692164210] [2025-01-10 02:13:57,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:57,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:57,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 02:13:57,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 02:13:57,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:57,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:13:57,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1413770921] [2025-01-10 02:13:57,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:57,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:57,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:57,453 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 02:13:57,458 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 02:13:57,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 02:13:57,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 02:13:57,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:57,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:57,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:13:57,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:57,568 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 02:13:57,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:57,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:57,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692164210] [2025-01-10 02:13:57,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:57,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413770921] [2025-01-10 02:13:57,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413770921] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:57,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:57,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-01-10 02:13:57,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558157259] [2025-01-10 02:13:57,748 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:57,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:13:57,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:57,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:13:57,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:13:57,749 INFO L87 Difference]: Start difference. First operand 189 states and 237 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:13:57,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:57,844 INFO L93 Difference]: Finished difference Result 286 states and 361 transitions. [2025-01-10 02:13:57,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:13:57,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2025-01-10 02:13:57,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:57,846 INFO L225 Difference]: With dead ends: 286 [2025-01-10 02:13:57,846 INFO L226 Difference]: Without dead ends: 282 [2025-01-10 02:13:57,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 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 02:13:57,847 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 66 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:57,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 166 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:13:57,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2025-01-10 02:13:57,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 250. [2025-01-10 02:13:57,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 196 states have (on average 1.433673469387755) internal successors, (281), 217 states have internal predecessors, (281), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-10 02:13:57,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 333 transitions. [2025-01-10 02:13:57,875 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 333 transitions. Word has length 44 [2025-01-10 02:13:57,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:57,875 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 333 transitions. [2025-01-10 02:13:57,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:13:57,881 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 333 transitions. [2025-01-10 02:13:57,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-01-10 02:13:57,881 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:57,881 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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 02:13:57,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-10 02:13:58,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:58,082 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:58,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:58,083 INFO L85 PathProgramCache]: Analyzing trace with hash 177539779, now seen corresponding path program 1 times [2025-01-10 02:13:58,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:58,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919732456] [2025-01-10 02:13:58,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:58,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:58,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:13:58,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:13:58,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:58,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 02:13:58,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:58,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919732456] [2025-01-10 02:13:58,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919732456] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:58,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:13:58,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:13:58,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480321393] [2025-01-10 02:13:58,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:58,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:13:58,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:58,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:13:58,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:13:58,211 INFO L87 Difference]: Start difference. First operand 250 states and 333 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:13:58,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:58,368 INFO L93 Difference]: Finished difference Result 255 states and 337 transitions. [2025-01-10 02:13:58,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:13:58,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2025-01-10 02:13:58,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:58,369 INFO L225 Difference]: With dead ends: 255 [2025-01-10 02:13:58,369 INFO L226 Difference]: Without dead ends: 233 [2025-01-10 02:13:58,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:13:58,370 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 25 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:58,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 123 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:13:58,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-01-10 02:13:58,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2025-01-10 02:13:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 182 states have (on average 1.4615384615384615) internal successors, (266), 203 states have internal predecessors, (266), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-01-10 02:13:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 314 transitions. [2025-01-10 02:13:58,392 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 314 transitions. Word has length 49 [2025-01-10 02:13:58,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:58,392 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 314 transitions. [2025-01-10 02:13:58,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:13:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 314 transitions. [2025-01-10 02:13:58,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-01-10 02:13:58,392 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:58,393 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:58,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 02:13:58,393 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:58,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:58,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1685686716, now seen corresponding path program 1 times [2025-01-10 02:13:58,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:58,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696142767] [2025-01-10 02:13:58,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:58,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:58,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:13:58,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:13:58,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:58,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:58,447 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 02:13:58,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:58,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696142767] [2025-01-10 02:13:58,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696142767] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:58,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244338184] [2025-01-10 02:13:58,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:58,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:58,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:58,452 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 02:13:58,457 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 02:13:58,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:13:58,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:13:58,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:58,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:58,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:13:58,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:58,521 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 02:13:58,521 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:13:58,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244338184] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:58,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:58,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 02:13:58,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458095395] [2025-01-10 02:13:58,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:58,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:13:58,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:58,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:13:58,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:13:58,522 INFO L87 Difference]: Start difference. First operand 233 states and 314 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:13:58,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:58,586 INFO L93 Difference]: Finished difference Result 336 states and 463 transitions. [2025-01-10 02:13:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:13:58,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2025-01-10 02:13:58,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:58,588 INFO L225 Difference]: With dead ends: 336 [2025-01-10 02:13:58,588 INFO L226 Difference]: Without dead ends: 334 [2025-01-10 02:13:58,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 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 02:13:58,588 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 59 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:58,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 152 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:13:58,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2025-01-10 02:13:58,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 306. [2025-01-10 02:13:58,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 248 states have (on average 1.4838709677419355) internal successors, (368), 268 states have internal predecessors, (368), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-01-10 02:13:58,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 432 transitions. [2025-01-10 02:13:58,601 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 432 transitions. Word has length 51 [2025-01-10 02:13:58,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:58,601 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 432 transitions. [2025-01-10 02:13:58,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:13:58,602 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 432 transitions. [2025-01-10 02:13:58,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:13:58,602 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:58,602 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:58,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 02:13:58,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:58,803 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:58,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:58,803 INFO L85 PathProgramCache]: Analyzing trace with hash -716682120, now seen corresponding path program 1 times [2025-01-10 02:13:58,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:58,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594127445] [2025-01-10 02:13:58,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:58,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:58,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:13:58,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:13:58,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:58,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:58,906 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 02:13:58,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:58,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594127445] [2025-01-10 02:13:58,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594127445] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:58,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983024806] [2025-01-10 02:13:58,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:58,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:58,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:58,913 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 02:13:58,918 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 02:13:58,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:13:58,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:13:58,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:58,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:58,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:13:58,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:59,050 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:13:59,051 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:13:59,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983024806] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:59,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:59,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2025-01-10 02:13:59,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634460581] [2025-01-10 02:13:59,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:59,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:13:59,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:59,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:13:59,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:13:59,052 INFO L87 Difference]: Start difference. First operand 306 states and 432 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:13:59,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:59,102 INFO L93 Difference]: Finished difference Result 306 states and 432 transitions. [2025-01-10 02:13:59,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:13:59,103 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2025-01-10 02:13:59,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:59,104 INFO L225 Difference]: With dead ends: 306 [2025-01-10 02:13:59,105 INFO L226 Difference]: Without dead ends: 305 [2025-01-10 02:13:59,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:13:59,106 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 111 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:59,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 187 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:13:59,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2025-01-10 02:13:59,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2025-01-10 02:13:59,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 248 states have (on average 1.435483870967742) internal successors, (356), 267 states have internal predecessors, (356), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-01-10 02:13:59,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 420 transitions. [2025-01-10 02:13:59,125 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 420 transitions. Word has length 52 [2025-01-10 02:13:59,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:59,125 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 420 transitions. [2025-01-10 02:13:59,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:13:59,125 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 420 transitions. [2025-01-10 02:13:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:13:59,126 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:59,126 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:59,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-10 02:13:59,330 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,SelfDestructingSolverStorable15 [2025-01-10 02:13:59,330 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:59,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:59,331 INFO L85 PathProgramCache]: Analyzing trace with hash -716680582, now seen corresponding path program 1 times [2025-01-10 02:13:59,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:59,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513882874] [2025-01-10 02:13:59,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:59,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:59,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:13:59,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:13:59,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:59,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:59,382 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 02:13:59,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:59,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513882874] [2025-01-10 02:13:59,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513882874] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:59,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555991817] [2025-01-10 02:13:59,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:59,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:59,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:59,387 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 02:13:59,389 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 02:13:59,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:13:59,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:13:59,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:59,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:59,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:13:59,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 02:13:59,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:59,540 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 02:13:59,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555991817] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:13:59,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:13:59,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-10 02:13:59,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227519433] [2025-01-10 02:13:59,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:59,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:13:59,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:59,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:13:59,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:13:59,542 INFO L87 Difference]: Start difference. First operand 305 states and 420 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-01-10 02:13:59,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:59,669 INFO L93 Difference]: Finished difference Result 472 states and 642 transitions. [2025-01-10 02:13:59,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:13:59,669 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 52 [2025-01-10 02:13:59,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:59,671 INFO L225 Difference]: With dead ends: 472 [2025-01-10 02:13:59,671 INFO L226 Difference]: Without dead ends: 470 [2025-01-10 02:13:59,672 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:13:59,675 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 193 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:59,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 266 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:13:59,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2025-01-10 02:13:59,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 411. [2025-01-10 02:13:59,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 341 states have (on average 1.4486803519061584) internal successors, (494), 360 states have internal predecessors, (494), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-01-10 02:13:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 584 transitions. [2025-01-10 02:13:59,693 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 584 transitions. Word has length 52 [2025-01-10 02:13:59,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:59,693 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 584 transitions. [2025-01-10 02:13:59,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-01-10 02:13:59,694 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 584 transitions. [2025-01-10 02:13:59,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-10 02:13:59,694 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:59,694 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:59,700 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 02:13:59,898 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,SelfDestructingSolverStorable16 [2025-01-10 02:13:59,898 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:13:59,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:59,899 INFO L85 PathProgramCache]: Analyzing trace with hash -742309164, now seen corresponding path program 1 times [2025-01-10 02:13:59,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:59,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856028347] [2025-01-10 02:13:59,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:59,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:59,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:13:59,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:13:59,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:59,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:59,964 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 02:13:59,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:59,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856028347] [2025-01-10 02:13:59,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856028347] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:59,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84522388] [2025-01-10 02:13:59,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:59,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:59,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:59,967 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 02:13:59,968 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 02:13:59,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:13:59,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:14:00,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:00,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:00,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:14:00,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:00,082 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:14:00,082 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 02:14:00,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84522388] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:14:00,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:14:00,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2025-01-10 02:14:00,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691160700] [2025-01-10 02:14:00,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:00,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-10 02:14:00,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:00,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-10 02:14:00,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:14:00,187 INFO L87 Difference]: Start difference. First operand 411 states and 584 transitions. Second operand has 19 states, 18 states have (on average 4.111111111111111) internal successors, (74), 19 states have internal predecessors, (74), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2025-01-10 02:14:00,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:00,419 INFO L93 Difference]: Finished difference Result 475 states and 638 transitions. [2025-01-10 02:14:00,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-10 02:14:00,419 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.111111111111111) internal successors, (74), 19 states have internal predecessors, (74), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 53 [2025-01-10 02:14:00,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:00,421 INFO L225 Difference]: With dead ends: 475 [2025-01-10 02:14:00,421 INFO L226 Difference]: Without dead ends: 469 [2025-01-10 02:14:00,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2025-01-10 02:14:00,422 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 341 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:00,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 608 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:14:00,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2025-01-10 02:14:00,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 440. [2025-01-10 02:14:00,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 368 states have (on average 1.4048913043478262) internal successors, (517), 387 states have internal predecessors, (517), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-01-10 02:14:00,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 607 transitions. [2025-01-10 02:14:00,448 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 607 transitions. Word has length 53 [2025-01-10 02:14:00,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:00,448 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 607 transitions. [2025-01-10 02:14:00,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.111111111111111) internal successors, (74), 19 states have internal predecessors, (74), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2025-01-10 02:14:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 607 transitions. [2025-01-10 02:14:00,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-01-10 02:14:00,449 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:00,449 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-01-10 02:14:00,455 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 02:14:00,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 02:14:00,650 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:00,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:00,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1217958983, now seen corresponding path program 2 times [2025-01-10 02:14:00,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:00,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069653460] [2025-01-10 02:14:00,651 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:14:00,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:00,655 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 70 statements into 2 equivalence classes. [2025-01-10 02:14:00,660 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 70 of 70 statements. [2025-01-10 02:14:00,661 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:14:00,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:14:00,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1789843504] [2025-01-10 02:14:00,661 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:14:00,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:00,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:00,663 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 02:14:00,665 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 02:14:00,685 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 70 statements into 2 equivalence classes. [2025-01-10 02:14:00,700 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 70 of 70 statements. [2025-01-10 02:14:00,700 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:14:00,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:00,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:14:00,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:00,792 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 02:14:00,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:00,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:00,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069653460] [2025-01-10 02:14:00,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:14:00,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789843504] [2025-01-10 02:14:00,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789843504] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:00,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:14:00,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-01-10 02:14:00,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101656045] [2025-01-10 02:14:00,913 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:00,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:14:00,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:00,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:14:00,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:14:00,913 INFO L87 Difference]: Start difference. First operand 440 states and 607 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 02:14:01,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:01,046 INFO L93 Difference]: Finished difference Result 581 states and 792 transitions. [2025-01-10 02:14:01,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:14:01,046 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 70 [2025-01-10 02:14:01,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:01,048 INFO L225 Difference]: With dead ends: 581 [2025-01-10 02:14:01,048 INFO L226 Difference]: Without dead ends: 577 [2025-01-10 02:14:01,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:14:01,049 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 106 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:01,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 183 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:14:01,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-01-10 02:14:01,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 490. [2025-01-10 02:14:01,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 412 states have (on average 1.3907766990291262) internal successors, (573), 431 states have internal predecessors, (573), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-01-10 02:14:01,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 675 transitions. [2025-01-10 02:14:01,067 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 675 transitions. Word has length 70 [2025-01-10 02:14:01,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:01,067 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 675 transitions. [2025-01-10 02:14:01,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 02:14:01,068 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 675 transitions. [2025-01-10 02:14:01,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-01-10 02:14:01,068 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:01,068 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2025-01-10 02:14:01,074 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 02:14:01,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:01,269 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:01,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:01,270 INFO L85 PathProgramCache]: Analyzing trace with hash 533823658, now seen corresponding path program 1 times [2025-01-10 02:14:01,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:01,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995553990] [2025-01-10 02:14:01,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:01,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:01,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-10 02:14:01,278 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-10 02:14:01,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:01,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:01,309 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-01-10 02:14:01,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:01,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995553990] [2025-01-10 02:14:01,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995553990] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:14:01,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:14:01,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:14:01,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726946089] [2025-01-10 02:14:01,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:14:01,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:14:01,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:01,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:14:01,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:14:01,311 INFO L87 Difference]: Start difference. First operand 490 states and 675 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:01,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:01,347 INFO L93 Difference]: Finished difference Result 490 states and 675 transitions. [2025-01-10 02:14:01,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:14:01,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 77 [2025-01-10 02:14:01,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:01,349 INFO L225 Difference]: With dead ends: 490 [2025-01-10 02:14:01,349 INFO L226 Difference]: Without dead ends: 489 [2025-01-10 02:14:01,350 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 02:14:01,350 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:01,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 114 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:14:01,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2025-01-10 02:14:01,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2025-01-10 02:14:01,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 412 states have (on average 1.3713592233009708) internal successors, (565), 430 states have internal predecessors, (565), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-01-10 02:14:01,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 667 transitions. [2025-01-10 02:14:01,369 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 667 transitions. Word has length 77 [2025-01-10 02:14:01,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:01,370 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 667 transitions. [2025-01-10 02:14:01,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:01,370 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 667 transitions. [2025-01-10 02:14:01,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-01-10 02:14:01,370 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:01,370 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2025-01-10 02:14:01,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-01-10 02:14:01,371 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:01,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:01,371 INFO L85 PathProgramCache]: Analyzing trace with hash -631335670, now seen corresponding path program 1 times [2025-01-10 02:14:01,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:01,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922735549] [2025-01-10 02:14:01,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:01,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:01,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-10 02:14:01,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-10 02:14:01,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:01,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:01,494 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 02:14:01,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:01,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922735549] [2025-01-10 02:14:01,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922735549] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:01,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209440998] [2025-01-10 02:14:01,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:01,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:01,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:01,497 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 02:14:01,499 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 02:14:01,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-10 02:14:01,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-10 02:14:01,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:01,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:01,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 02:14:01,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:01,644 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 02:14:01,644 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:14:01,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209440998] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:14:01,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:14:01,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 02:14:01,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740235329] [2025-01-10 02:14:01,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:14:01,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:14:01,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:01,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:14:01,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:14:01,646 INFO L87 Difference]: Start difference. First operand 489 states and 667 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:14:01,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:01,717 INFO L93 Difference]: Finished difference Result 514 states and 689 transitions. [2025-01-10 02:14:01,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:14:01,717 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), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2025-01-10 02:14:01,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:01,719 INFO L225 Difference]: With dead ends: 514 [2025-01-10 02:14:01,719 INFO L226 Difference]: Without dead ends: 513 [2025-01-10 02:14:01,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:14:01,719 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 40 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:01,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 126 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:14:01,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2025-01-10 02:14:01,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 489. [2025-01-10 02:14:01,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 412 states have (on average 1.3616504854368932) internal successors, (561), 430 states have internal predecessors, (561), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-01-10 02:14:01,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 663 transitions. [2025-01-10 02:14:01,741 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 663 transitions. Word has length 78 [2025-01-10 02:14:01,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:01,741 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 663 transitions. [2025-01-10 02:14:01,741 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), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:14:01,741 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 663 transitions. [2025-01-10 02:14:01,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-01-10 02:14:01,741 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:01,741 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2025-01-10 02:14:01,747 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 02:14:01,942 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 02:14:01,942 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:01,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:01,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1903430828, now seen corresponding path program 1 times [2025-01-10 02:14:01,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:01,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833665875] [2025-01-10 02:14:01,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:01,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:01,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-10 02:14:01,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-10 02:14:01,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:01,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:02,047 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 02:14:02,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:02,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833665875] [2025-01-10 02:14:02,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833665875] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:02,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991416887] [2025-01-10 02:14:02,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:02,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:02,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:02,050 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 02:14:02,051 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 02:14:02,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-10 02:14:02,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-10 02:14:02,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:02,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:02,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:14:02,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-01-10 02:14:02,212 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:14:02,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991416887] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:14:02,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:14:02,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-01-10 02:14:02,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083291248] [2025-01-10 02:14:02,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:14:02,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:14:02,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:02,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:14:02,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:14:02,214 INFO L87 Difference]: Start difference. First operand 489 states and 663 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:02,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:02,317 INFO L93 Difference]: Finished difference Result 522 states and 700 transitions. [2025-01-10 02:14:02,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:14:02,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 79 [2025-01-10 02:14:02,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:02,319 INFO L225 Difference]: With dead ends: 522 [2025-01-10 02:14:02,319 INFO L226 Difference]: Without dead ends: 521 [2025-01-10 02:14:02,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:14:02,321 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 88 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:02,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 113 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:14:02,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2025-01-10 02:14:02,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 501. [2025-01-10 02:14:02,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 424 states have (on average 1.3514150943396226) internal successors, (573), 442 states have internal predecessors, (573), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-01-10 02:14:02,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 675 transitions. [2025-01-10 02:14:02,362 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 675 transitions. Word has length 79 [2025-01-10 02:14:02,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:02,362 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 675 transitions. [2025-01-10 02:14:02,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 675 transitions. [2025-01-10 02:14:02,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-01-10 02:14:02,362 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:02,362 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2025-01-10 02:14:02,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-10 02:14:02,563 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 02:14:02,563 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:02,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:02,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1123186356, now seen corresponding path program 1 times [2025-01-10 02:14:02,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:02,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082075482] [2025-01-10 02:14:02,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:02,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:02,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-10 02:14:02,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-10 02:14:02,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:02,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:02,710 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 02:14:02,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:02,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082075482] [2025-01-10 02:14:02,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082075482] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:02,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614125207] [2025-01-10 02:14:02,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:02,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:02,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:02,714 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 02:14:02,719 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 02:14:02,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-10 02:14:02,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-10 02:14:02,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:02,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:02,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:14:02,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:02,891 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-01-10 02:14:02,892 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:14:02,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614125207] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:14:02,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:14:02,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-01-10 02:14:02,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195109569] [2025-01-10 02:14:02,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:14:02,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:14:02,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:02,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:14:02,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:14:02,893 INFO L87 Difference]: Start difference. First operand 501 states and 675 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:02,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:02,980 INFO L93 Difference]: Finished difference Result 517 states and 688 transitions. [2025-01-10 02:14:02,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:14:02,980 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 80 [2025-01-10 02:14:02,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:02,982 INFO L225 Difference]: With dead ends: 517 [2025-01-10 02:14:02,982 INFO L226 Difference]: Without dead ends: 515 [2025-01-10 02:14:02,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:14:02,983 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 43 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:02,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 110 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:14:02,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2025-01-10 02:14:03,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 505. [2025-01-10 02:14:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 428 states have (on average 1.3294392523364487) internal successors, (569), 446 states have internal predecessors, (569), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-01-10 02:14:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 671 transitions. [2025-01-10 02:14:03,018 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 671 transitions. Word has length 80 [2025-01-10 02:14:03,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:03,018 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 671 transitions. [2025-01-10 02:14:03,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:03,018 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 671 transitions. [2025-01-10 02:14:03,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-01-10 02:14:03,018 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:03,019 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:14:03,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-01-10 02:14:03,219 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 02:14:03,219 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:03,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:03,220 INFO L85 PathProgramCache]: Analyzing trace with hash 763367358, now seen corresponding path program 1 times [2025-01-10 02:14:03,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:03,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131390127] [2025-01-10 02:14:03,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:03,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:03,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-10 02:14:03,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-10 02:14:03,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:03,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:03,352 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-10 02:14:03,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:03,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131390127] [2025-01-10 02:14:03,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131390127] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:03,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546061145] [2025-01-10 02:14:03,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:03,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:03,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:03,356 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 02:14:03,362 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 02:14:03,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-10 02:14:03,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-10 02:14:03,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:03,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:03,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:14:03,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-10 02:14:03,490 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:03,630 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-10 02:14:03,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546061145] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:14:03,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:14:03,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2025-01-10 02:14:03,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980160439] [2025-01-10 02:14:03,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:03,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-10 02:14:03,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:03,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-10 02:14:03,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2025-01-10 02:14:03,632 INFO L87 Difference]: Start difference. First operand 505 states and 671 transitions. Second operand has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 21 states have internal predecessors, (92), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2025-01-10 02:14:03,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:03,912 INFO L93 Difference]: Finished difference Result 702 states and 911 transitions. [2025-01-10 02:14:03,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-01-10 02:14:03,912 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 21 states have internal predecessors, (92), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 84 [2025-01-10 02:14:03,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:03,915 INFO L225 Difference]: With dead ends: 702 [2025-01-10 02:14:03,915 INFO L226 Difference]: Without dead ends: 569 [2025-01-10 02:14:03,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=355, Invalid=1127, Unknown=0, NotChecked=0, Total=1482 [2025-01-10 02:14:03,917 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 124 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:03,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 605 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:14:03,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2025-01-10 02:14:03,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 551. [2025-01-10 02:14:03,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 464 states have (on average 1.3060344827586208) internal successors, (606), 482 states have internal predecessors, (606), 57 states have call successors, (57), 11 states have call predecessors, (57), 11 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-01-10 02:14:03,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 720 transitions. [2025-01-10 02:14:03,954 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 720 transitions. Word has length 84 [2025-01-10 02:14:03,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:03,954 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 720 transitions. [2025-01-10 02:14:03,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 21 states have internal predecessors, (92), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2025-01-10 02:14:03,954 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 720 transitions. [2025-01-10 02:14:03,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-01-10 02:14:03,956 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:03,956 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:14:03,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-01-10 02:14:04,156 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 02:14:04,157 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:04,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:04,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1328952029, now seen corresponding path program 1 times [2025-01-10 02:14:04,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:04,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780635988] [2025-01-10 02:14:04,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:04,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:04,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-10 02:14:04,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-10 02:14:04,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:04,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:14:04,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311375268] [2025-01-10 02:14:04,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:04,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:04,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:04,181 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 02:14:04,185 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 02:14:04,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-10 02:14:04,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-10 02:14:04,222 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:04,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:04,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 02:14:04,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:04,393 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-01-10 02:14:04,393 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:04,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:04,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780635988] [2025-01-10 02:14:04,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:14:04,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311375268] [2025-01-10 02:14:04,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311375268] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:04,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:14:04,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 02:14:04,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139887841] [2025-01-10 02:14:04,791 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:04,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:14:04,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:04,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:14:04,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:14:04,792 INFO L87 Difference]: Start difference. First operand 551 states and 720 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:04,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:04,906 INFO L93 Difference]: Finished difference Result 677 states and 903 transitions. [2025-01-10 02:14:04,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:14:04,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2025-01-10 02:14:04,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:04,909 INFO L225 Difference]: With dead ends: 677 [2025-01-10 02:14:04,909 INFO L226 Difference]: Without dead ends: 676 [2025-01-10 02:14:04,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:14:04,909 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 141 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:04,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 103 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:14:04,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2025-01-10 02:14:04,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 632. [2025-01-10 02:14:04,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 539 states have (on average 1.3320964749536177) internal successors, (718), 557 states have internal predecessors, (718), 63 states have call successors, (63), 11 states have call predecessors, (63), 11 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2025-01-10 02:14:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 844 transitions. [2025-01-10 02:14:04,946 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 844 transitions. Word has length 85 [2025-01-10 02:14:04,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:04,947 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 844 transitions. [2025-01-10 02:14:04,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:04,947 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 844 transitions. [2025-01-10 02:14:04,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-10 02:14:04,948 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:04,948 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:14:04,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-10 02:14:05,148 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 02:14:05,150 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:05,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:05,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1752160147, now seen corresponding path program 1 times [2025-01-10 02:14:05,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:05,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158443368] [2025-01-10 02:14:05,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:05,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:05,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:14:05,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:14:05,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:05,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:14:05,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [854288875] [2025-01-10 02:14:05,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:05,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:05,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:05,173 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 02:14:05,174 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 02:14:05,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:14:05,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:14:05,228 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:05,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:05,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 02:14:05,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:05,376 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-01-10 02:14:05,377 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:05,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:05,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158443368] [2025-01-10 02:14:05,774 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:14:05,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854288875] [2025-01-10 02:14:05,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854288875] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:05,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:14:05,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-01-10 02:14:05,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657532989] [2025-01-10 02:14:05,775 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:05,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:14:05,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:05,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:14:05,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:14:05,775 INFO L87 Difference]: Start difference. First operand 632 states and 844 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:05,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:05,877 INFO L93 Difference]: Finished difference Result 642 states and 849 transitions. [2025-01-10 02:14:05,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:14:05,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2025-01-10 02:14:05,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:05,879 INFO L225 Difference]: With dead ends: 642 [2025-01-10 02:14:05,879 INFO L226 Difference]: Without dead ends: 639 [2025-01-10 02:14:05,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:14:05,880 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 66 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:05,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 103 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:14:05,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2025-01-10 02:14:05,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 630. [2025-01-10 02:14:05,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 539 states have (on average 1.2838589981447124) internal successors, (692), 555 states have internal predecessors, (692), 63 states have call successors, (63), 11 states have call predecessors, (63), 11 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2025-01-10 02:14:05,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 818 transitions. [2025-01-10 02:14:05,922 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 818 transitions. Word has length 86 [2025-01-10 02:14:05,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:05,922 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 818 transitions. [2025-01-10 02:14:05,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:05,923 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 818 transitions. [2025-01-10 02:14:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-01-10 02:14:05,923 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:05,923 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:14:05,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-10 02:14:06,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:06,125 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:06,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:06,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1517610203, now seen corresponding path program 1 times [2025-01-10 02:14:06,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:06,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665467055] [2025-01-10 02:14:06,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:06,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:06,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-10 02:14:06,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-10 02:14:06,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:06,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-01-10 02:14:06,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:06,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665467055] [2025-01-10 02:14:06,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665467055] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:14:06,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:14:06,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:14:06,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671814728] [2025-01-10 02:14:06,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:14:06,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:14:06,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:06,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:14:06,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:14:06,186 INFO L87 Difference]: Start difference. First operand 630 states and 818 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:06,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:06,427 INFO L93 Difference]: Finished difference Result 639 states and 826 transitions. [2025-01-10 02:14:06,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:14:06,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 87 [2025-01-10 02:14:06,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:06,429 INFO L225 Difference]: With dead ends: 639 [2025-01-10 02:14:06,430 INFO L226 Difference]: Without dead ends: 638 [2025-01-10 02:14:06,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:14:06,430 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 71 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:06,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 174 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:14:06,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2025-01-10 02:14:06,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 629. [2025-01-10 02:14:06,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 539 states have (on average 1.25417439703154) internal successors, (676), 554 states have internal predecessors, (676), 63 states have call successors, (63), 11 states have call predecessors, (63), 11 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2025-01-10 02:14:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 802 transitions. [2025-01-10 02:14:06,461 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 802 transitions. Word has length 87 [2025-01-10 02:14:06,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:06,462 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 802 transitions. [2025-01-10 02:14:06,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:06,462 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 802 transitions. [2025-01-10 02:14:06,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-01-10 02:14:06,464 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:06,464 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:14:06,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-01-10 02:14:06,465 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:06,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:06,465 INFO L85 PathProgramCache]: Analyzing trace with hash 198724053, now seen corresponding path program 1 times [2025-01-10 02:14:06,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:06,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133756213] [2025-01-10 02:14:06,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:06,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:06,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-01-10 02:14:06,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-01-10 02:14:06,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:06,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:06,603 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 02:14:06,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:06,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133756213] [2025-01-10 02:14:06,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133756213] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:06,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99445091] [2025-01-10 02:14:06,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:06,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:06,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:06,608 INFO L229 MonitoredProcess]: Starting monitored process 21 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 02:14:06,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-10 02:14:06,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-01-10 02:14:06,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-01-10 02:14:06,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:06,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:06,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-10 02:14:06,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:06,961 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 02:14:06,962 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:07,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99445091] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:07,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:14:07,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-01-10 02:14:07,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291196751] [2025-01-10 02:14:07,428 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:07,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 02:14:07,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:07,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 02:14:07,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2025-01-10 02:14:07,429 INFO L87 Difference]: Start difference. First operand 629 states and 802 transitions. Second operand has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-01-10 02:14:08,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:08,364 INFO L93 Difference]: Finished difference Result 956 states and 1254 transitions. [2025-01-10 02:14:08,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-01-10 02:14:08,365 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 88 [2025-01-10 02:14:08,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:08,368 INFO L225 Difference]: With dead ends: 956 [2025-01-10 02:14:08,368 INFO L226 Difference]: Without dead ends: 947 [2025-01-10 02:14:08,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=353, Invalid=1287, Unknown=0, NotChecked=0, Total=1640 [2025-01-10 02:14:08,369 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 541 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:08,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 421 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 02:14:08,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2025-01-10 02:14:08,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 742. [2025-01-10 02:14:08,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 642 states have (on average 1.264797507788162) internal successors, (812), 657 states have internal predecessors, (812), 73 states have call successors, (73), 11 states have call predecessors, (73), 11 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2025-01-10 02:14:08,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 958 transitions. [2025-01-10 02:14:08,420 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 958 transitions. Word has length 88 [2025-01-10 02:14:08,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:08,420 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 958 transitions. [2025-01-10 02:14:08,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-01-10 02:14:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 958 transitions. [2025-01-10 02:14:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-01-10 02:14:08,422 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:08,422 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1] [2025-01-10 02:14:08,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-01-10 02:14:08,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-01-10 02:14:08,623 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:08,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:08,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1396550732, now seen corresponding path program 1 times [2025-01-10 02:14:08,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:08,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931371385] [2025-01-10 02:14:08,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:08,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:08,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-10 02:14:08,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-10 02:14:08,647 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:08,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:14:08,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1638359345] [2025-01-10 02:14:08,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:08,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:08,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:08,652 INFO L229 MonitoredProcess]: Starting monitored process 22 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 02:14:08,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-10 02:14:08,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-10 02:14:08,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-10 02:14:08,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:08,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:08,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-10 02:14:08,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 3 proven. 47 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-01-10 02:14:08,993 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:09,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:09,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931371385] [2025-01-10 02:14:09,358 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:14:09,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638359345] [2025-01-10 02:14:09,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638359345] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:09,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:14:09,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:14:09,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226155582] [2025-01-10 02:14:09,359 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:09,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:14:09,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:09,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:14:09,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:14:09,360 INFO L87 Difference]: Start difference. First operand 742 states and 958 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 02:14:09,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:09,659 INFO L93 Difference]: Finished difference Result 766 states and 973 transitions. [2025-01-10 02:14:09,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:14:09,660 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 102 [2025-01-10 02:14:09,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:09,664 INFO L225 Difference]: With dead ends: 766 [2025-01-10 02:14:09,664 INFO L226 Difference]: Without dead ends: 591 [2025-01-10 02:14:09,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:14:09,664 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 20 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:09,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 313 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:14:09,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2025-01-10 02:14:09,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 589. [2025-01-10 02:14:09,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 501 states have (on average 1.253493013972056) internal successors, (628), 516 states have internal predecessors, (628), 61 states have call successors, (61), 11 states have call predecessors, (61), 11 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2025-01-10 02:14:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 750 transitions. [2025-01-10 02:14:09,704 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 750 transitions. Word has length 102 [2025-01-10 02:14:09,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:09,704 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 750 transitions. [2025-01-10 02:14:09,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 02:14:09,704 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 750 transitions. [2025-01-10 02:14:09,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-01-10 02:14:09,706 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:09,706 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1] [2025-01-10 02:14:09,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-01-10 02:14:09,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-01-10 02:14:09,907 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:09,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:09,908 INFO L85 PathProgramCache]: Analyzing trace with hash -2055452938, now seen corresponding path program 1 times [2025-01-10 02:14:09,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:09,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390166486] [2025-01-10 02:14:09,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:09,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:09,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 02:14:09,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 02:14:09,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:09,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-01-10 02:14:09,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:09,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390166486] [2025-01-10 02:14:09,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390166486] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:14:09,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:14:09,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:14:09,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615413262] [2025-01-10 02:14:09,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:14:09,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:14:09,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:09,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:14:09,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:14:09,962 INFO L87 Difference]: Start difference. First operand 589 states and 750 transitions. Second operand has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 02:14:10,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:10,085 INFO L93 Difference]: Finished difference Result 593 states and 751 transitions. [2025-01-10 02:14:10,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:14:10,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 104 [2025-01-10 02:14:10,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:10,087 INFO L225 Difference]: With dead ends: 593 [2025-01-10 02:14:10,088 INFO L226 Difference]: Without dead ends: 550 [2025-01-10 02:14:10,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:14:10,089 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 32 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:10,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 229 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:14:10,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2025-01-10 02:14:10,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 545. [2025-01-10 02:14:10,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 463 states have (on average 1.2699784017278617) internal successors, (588), 477 states have internal predecessors, (588), 57 states have call successors, (57), 10 states have call predecessors, (57), 10 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-01-10 02:14:10,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 702 transitions. [2025-01-10 02:14:10,116 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 702 transitions. Word has length 104 [2025-01-10 02:14:10,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:10,116 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 702 transitions. [2025-01-10 02:14:10,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 02:14:10,116 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 702 transitions. [2025-01-10 02:14:10,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-01-10 02:14:10,117 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:10,117 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1] [2025-01-10 02:14:10,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-01-10 02:14:10,117 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:10,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:10,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1565033674, now seen corresponding path program 1 times [2025-01-10 02:14:10,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:10,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909714441] [2025-01-10 02:14:10,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:10,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:10,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-10 02:14:10,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:14:10,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:10,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:10,163 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-10 02:14:10,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:10,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909714441] [2025-01-10 02:14:10,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909714441] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:10,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977960587] [2025-01-10 02:14:10,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:10,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:10,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:10,166 INFO L229 MonitoredProcess]: Starting monitored process 23 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 02:14:10,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-10 02:14:10,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-10 02:14:10,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:14:10,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:10,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:10,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:14:10,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:10,255 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-10 02:14:10,256 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-10 02:14:10,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977960587] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:14:10,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:14:10,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-01-10 02:14:10,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74275454] [2025-01-10 02:14:10,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:10,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:14:10,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:10,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:14:10,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:14:10,352 INFO L87 Difference]: Start difference. First operand 545 states and 702 transitions. Second operand has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-01-10 02:14:10,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:10,580 INFO L93 Difference]: Finished difference Result 1065 states and 1359 transitions. [2025-01-10 02:14:10,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 02:14:10,580 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 106 [2025-01-10 02:14:10,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:10,583 INFO L225 Difference]: With dead ends: 1065 [2025-01-10 02:14:10,583 INFO L226 Difference]: Without dead ends: 1063 [2025-01-10 02:14:10,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:14:10,584 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 445 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:10,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 432 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:14:10,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2025-01-10 02:14:10,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 705. [2025-01-10 02:14:10,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 605 states have (on average 1.2793388429752066) internal successors, (774), 619 states have internal predecessors, (774), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-01-10 02:14:10,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 924 transitions. [2025-01-10 02:14:10,618 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 924 transitions. Word has length 106 [2025-01-10 02:14:10,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:10,619 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 924 transitions. [2025-01-10 02:14:10,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-01-10 02:14:10,619 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 924 transitions. [2025-01-10 02:14:10,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-01-10 02:14:10,620 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:10,620 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-01-10 02:14:10,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-01-10 02:14:10,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2025-01-10 02:14:10,821 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:10,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:10,821 INFO L85 PathProgramCache]: Analyzing trace with hash 932747090, now seen corresponding path program 2 times [2025-01-10 02:14:10,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:10,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688594537] [2025-01-10 02:14:10,821 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:14:10,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:10,827 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 114 statements into 2 equivalence classes. [2025-01-10 02:14:10,839 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 114 of 114 statements. [2025-01-10 02:14:10,839 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:14:10,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:14:10,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1765766787] [2025-01-10 02:14:10,841 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:14:10,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:10,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:10,846 INFO L229 MonitoredProcess]: Starting monitored process 24 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 02:14:10,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-01-10 02:14:10,873 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 114 statements into 2 equivalence classes. [2025-01-10 02:14:10,896 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 114 of 114 statements. [2025-01-10 02:14:10,896 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:14:10,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:10,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 02:14:10,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:11,313 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-10 02:14:11,313 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:15,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:15,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688594537] [2025-01-10 02:14:15,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:14:15,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765766787] [2025-01-10 02:14:15,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765766787] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:15,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:14:15,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:14:15,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696485002] [2025-01-10 02:14:15,832 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:15,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:14:15,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:15,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:14:15,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=219, Unknown=1, NotChecked=0, Total=272 [2025-01-10 02:14:15,833 INFO L87 Difference]: Start difference. First operand 705 states and 924 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-01-10 02:14:16,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:16,344 INFO L93 Difference]: Finished difference Result 733 states and 959 transitions. [2025-01-10 02:14:16,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:14:16,345 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 114 [2025-01-10 02:14:16,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:16,347 INFO L225 Difference]: With dead ends: 733 [2025-01-10 02:14:16,347 INFO L226 Difference]: Without dead ends: 732 [2025-01-10 02:14:16,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=62, Invalid=243, Unknown=1, NotChecked=0, Total=306 [2025-01-10 02:14:16,348 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 34 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:16,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 545 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:14:16,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2025-01-10 02:14:16,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 705. [2025-01-10 02:14:16,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 605 states have (on average 1.2776859504132232) internal successors, (773), 619 states have internal predecessors, (773), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-01-10 02:14:16,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 923 transitions. [2025-01-10 02:14:16,380 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 923 transitions. Word has length 114 [2025-01-10 02:14:16,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:16,380 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 923 transitions. [2025-01-10 02:14:16,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-01-10 02:14:16,380 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 923 transitions. [2025-01-10 02:14:16,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-01-10 02:14:16,381 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:16,381 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-01-10 02:14:16,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-01-10 02:14:16,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:16,586 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:16,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:16,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1074344237, now seen corresponding path program 1 times [2025-01-10 02:14:16,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:16,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304763294] [2025-01-10 02:14:16,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:16,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:16,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-01-10 02:14:16,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-01-10 02:14:16,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:16,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:16,654 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:16,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:16,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304763294] [2025-01-10 02:14:16,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304763294] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:16,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136983458] [2025-01-10 02:14:16,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:16,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:16,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:16,659 INFO L229 MonitoredProcess]: Starting monitored process 25 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 02:14:16,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-01-10 02:14:16,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-01-10 02:14:16,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-01-10 02:14:16,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:16,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:16,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:14:16,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:16,860 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2025-01-10 02:14:16,860 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:14:16,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136983458] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:14:16,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:14:16,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2025-01-10 02:14:16,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859873728] [2025-01-10 02:14:16,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:14:16,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:14:16,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:16,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:14:16,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:14:16,862 INFO L87 Difference]: Start difference. First operand 705 states and 923 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:16,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:16,930 INFO L93 Difference]: Finished difference Result 711 states and 925 transitions. [2025-01-10 02:14:16,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:14:16,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 127 [2025-01-10 02:14:16,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:16,932 INFO L225 Difference]: With dead ends: 711 [2025-01-10 02:14:16,933 INFO L226 Difference]: Without dead ends: 706 [2025-01-10 02:14:16,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:14:16,933 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 10 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:16,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 83 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:14:16,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2025-01-10 02:14:16,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 699. [2025-01-10 02:14:16,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 599 states have (on average 1.2520868113522539) internal successors, (750), 613 states have internal predecessors, (750), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-01-10 02:14:16,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 900 transitions. [2025-01-10 02:14:16,967 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 900 transitions. Word has length 127 [2025-01-10 02:14:16,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:16,967 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 900 transitions. [2025-01-10 02:14:16,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:16,968 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 900 transitions. [2025-01-10 02:14:16,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-01-10 02:14:16,968 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:16,969 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 02:14:16,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-01-10 02:14:17,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-01-10 02:14:17,170 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:17,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:17,170 INFO L85 PathProgramCache]: Analyzing trace with hash 664453745, now seen corresponding path program 2 times [2025-01-10 02:14:17,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:17,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675300218] [2025-01-10 02:14:17,170 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:14:17,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:17,174 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 128 statements into 2 equivalence classes. [2025-01-10 02:14:17,179 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 128 of 128 statements. [2025-01-10 02:14:17,179 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:14:17,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:17,267 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:17,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:17,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675300218] [2025-01-10 02:14:17,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675300218] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:17,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444075137] [2025-01-10 02:14:17,268 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:14:17,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:17,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:17,270 INFO L229 MonitoredProcess]: Starting monitored process 26 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 02:14:17,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-01-10 02:14:17,291 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 128 statements into 2 equivalence classes. [2025-01-10 02:14:17,311 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 128 of 128 statements. [2025-01-10 02:14:17,311 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:14:17,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:17,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:14:17,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:17,384 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:17,384 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:17,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444075137] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:14:17,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:14:17,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2025-01-10 02:14:17,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655974451] [2025-01-10 02:14:17,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:17,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:14:17,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:17,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:14:17,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:14:17,507 INFO L87 Difference]: Start difference. First operand 699 states and 900 transitions. Second operand has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2025-01-10 02:14:17,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:17,620 INFO L93 Difference]: Finished difference Result 722 states and 918 transitions. [2025-01-10 02:14:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:14:17,620 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) Word has length 128 [2025-01-10 02:14:17,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:17,622 INFO L225 Difference]: With dead ends: 722 [2025-01-10 02:14:17,623 INFO L226 Difference]: Without dead ends: 715 [2025-01-10 02:14:17,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 251 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:14:17,623 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 70 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:17,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 260 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:14:17,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2025-01-10 02:14:17,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 699. [2025-01-10 02:14:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 599 states have (on average 1.2454090150250416) internal successors, (746), 613 states have internal predecessors, (746), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-01-10 02:14:17,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 896 transitions. [2025-01-10 02:14:17,653 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 896 transitions. Word has length 128 [2025-01-10 02:14:17,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:17,654 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 896 transitions. [2025-01-10 02:14:17,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2025-01-10 02:14:17,654 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 896 transitions. [2025-01-10 02:14:17,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-01-10 02:14:17,655 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:17,655 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1] [2025-01-10 02:14:17,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-01-10 02:14:17,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-01-10 02:14:17,856 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:17,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:17,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1729782705, now seen corresponding path program 2 times [2025-01-10 02:14:17,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:17,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382089698] [2025-01-10 02:14:17,857 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:14:17,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:17,860 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 130 statements into 2 equivalence classes. [2025-01-10 02:14:17,865 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 130 of 130 statements. [2025-01-10 02:14:17,865 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:14:17,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:17,925 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-01-10 02:14:17,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:17,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382089698] [2025-01-10 02:14:17,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382089698] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:17,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325324825] [2025-01-10 02:14:17,926 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:14:17,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:17,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:17,927 INFO L229 MonitoredProcess]: Starting monitored process 27 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 02:14:17,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-01-10 02:14:17,952 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 130 statements into 2 equivalence classes. [2025-01-10 02:14:17,972 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 130 of 130 statements. [2025-01-10 02:14:17,972 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:14:17,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:17,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 02:14:17,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:18,042 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-01-10 02:14:18,042 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:18,167 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-01-10 02:14:18,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325324825] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:14:18,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:14:18,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-01-10 02:14:18,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961706580] [2025-01-10 02:14:18,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:18,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 02:14:18,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:18,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 02:14:18,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:14:18,169 INFO L87 Difference]: Start difference. First operand 699 states and 896 transitions. Second operand has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 13 states have internal predecessors, (122), 11 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 11 states have call predecessors, (33), 11 states have call successors, (33) [2025-01-10 02:14:18,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:18,515 INFO L93 Difference]: Finished difference Result 1541 states and 2016 transitions. [2025-01-10 02:14:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 02:14:18,516 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 13 states have internal predecessors, (122), 11 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 11 states have call predecessors, (33), 11 states have call successors, (33) Word has length 130 [2025-01-10 02:14:18,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:18,524 INFO L225 Difference]: With dead ends: 1541 [2025-01-10 02:14:18,524 INFO L226 Difference]: Without dead ends: 1539 [2025-01-10 02:14:18,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:14:18,525 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 474 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:18,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 506 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:14:18,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2025-01-10 02:14:18,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 725. [2025-01-10 02:14:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 619 states have (on average 1.235864297253635) internal successors, (765), 633 states have internal predecessors, (765), 81 states have call successors, (81), 10 states have call predecessors, (81), 10 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-01-10 02:14:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 927 transitions. [2025-01-10 02:14:18,560 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 927 transitions. Word has length 130 [2025-01-10 02:14:18,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:18,560 INFO L471 AbstractCegarLoop]: Abstraction has 725 states and 927 transitions. [2025-01-10 02:14:18,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 13 states have internal predecessors, (122), 11 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 11 states have call predecessors, (33), 11 states have call successors, (33) [2025-01-10 02:14:18,561 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 927 transitions. [2025-01-10 02:14:18,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-01-10 02:14:18,562 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:18,562 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-01-10 02:14:18,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-01-10 02:14:18,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:18,763 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:18,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:18,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1726289507, now seen corresponding path program 1 times [2025-01-10 02:14:18,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:18,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629130481] [2025-01-10 02:14:18,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:18,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:18,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-01-10 02:14:18,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-01-10 02:14:18,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:18,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:18,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:18,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629130481] [2025-01-10 02:14:18,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629130481] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:18,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607380690] [2025-01-10 02:14:18,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:18,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:18,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:18,929 INFO L229 MonitoredProcess]: Starting monitored process 28 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 02:14:18,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-01-10 02:14:18,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-01-10 02:14:18,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-01-10 02:14:18,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:18,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:18,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:14:18,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:19,253 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:19,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607380690] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:14:19,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:14:19,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 19 [2025-01-10 02:14:19,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940750021] [2025-01-10 02:14:19,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:19,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-10 02:14:19,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:19,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-10 02:14:19,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2025-01-10 02:14:19,615 INFO L87 Difference]: Start difference. First operand 725 states and 927 transitions. Second operand has 20 states, 19 states have (on average 10.31578947368421) internal successors, (196), 20 states have internal predecessors, (196), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-01-10 02:14:20,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:20,125 INFO L93 Difference]: Finished difference Result 1024 states and 1312 transitions. [2025-01-10 02:14:20,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 02:14:20,126 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 10.31578947368421) internal successors, (196), 20 states have internal predecessors, (196), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 130 [2025-01-10 02:14:20,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:20,129 INFO L225 Difference]: With dead ends: 1024 [2025-01-10 02:14:20,129 INFO L226 Difference]: Without dead ends: 914 [2025-01-10 02:14:20,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=346, Invalid=914, Unknown=0, NotChecked=0, Total=1260 [2025-01-10 02:14:20,130 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 492 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:20,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 718 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:14:20,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2025-01-10 02:14:20,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 711. [2025-01-10 02:14:20,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 601 states have (on average 1.259567387687188) internal successors, (757), 615 states have internal predecessors, (757), 85 states have call successors, (85), 10 states have call predecessors, (85), 10 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-01-10 02:14:20,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 927 transitions. [2025-01-10 02:14:20,176 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 927 transitions. Word has length 130 [2025-01-10 02:14:20,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:20,176 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 927 transitions. [2025-01-10 02:14:20,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 10.31578947368421) internal successors, (196), 20 states have internal predecessors, (196), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-01-10 02:14:20,176 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 927 transitions. [2025-01-10 02:14:20,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-01-10 02:14:20,177 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:20,177 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-01-10 02:14:20,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-01-10 02:14:20,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-01-10 02:14:20,378 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:20,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:20,378 INFO L85 PathProgramCache]: Analyzing trace with hash -397359431, now seen corresponding path program 1 times [2025-01-10 02:14:20,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:20,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327753692] [2025-01-10 02:14:20,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:20,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:20,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-01-10 02:14:20,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-01-10 02:14:20,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:20,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-01-10 02:14:20,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:20,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327753692] [2025-01-10 02:14:20,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327753692] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:20,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963471924] [2025-01-10 02:14:20,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:20,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:20,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:20,516 INFO L229 MonitoredProcess]: Starting monitored process 29 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 02:14:20,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-01-10 02:14:20,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-01-10 02:14:20,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-01-10 02:14:20,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:20,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:20,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:14:20,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:20,772 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:20,772 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:22,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963471924] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:14:22,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:14:22,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2025-01-10 02:14:22,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163158461] [2025-01-10 02:14:22,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:22,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-10 02:14:22,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:22,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-10 02:14:22,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2025-01-10 02:14:22,862 INFO L87 Difference]: Start difference. First operand 711 states and 927 transitions. Second operand has 21 states, 20 states have (on average 10.1) internal successors, (202), 21 states have internal predecessors, (202), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2025-01-10 02:14:23,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:23,281 INFO L93 Difference]: Finished difference Result 956 states and 1278 transitions. [2025-01-10 02:14:23,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:14:23,281 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 10.1) internal successors, (202), 21 states have internal predecessors, (202), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 135 [2025-01-10 02:14:23,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:23,284 INFO L225 Difference]: With dead ends: 956 [2025-01-10 02:14:23,284 INFO L226 Difference]: Without dead ends: 955 [2025-01-10 02:14:23,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2025-01-10 02:14:23,285 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 532 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:23,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 373 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:14:23,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2025-01-10 02:14:23,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 710. [2025-01-10 02:14:23,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 601 states have (on average 1.2529118136439268) internal successors, (753), 614 states have internal predecessors, (753), 85 states have call successors, (85), 10 states have call predecessors, (85), 10 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-01-10 02:14:23,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 923 transitions. [2025-01-10 02:14:23,322 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 923 transitions. Word has length 135 [2025-01-10 02:14:23,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:23,322 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 923 transitions. [2025-01-10 02:14:23,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 10.1) internal successors, (202), 21 states have internal predecessors, (202), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2025-01-10 02:14:23,323 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 923 transitions. [2025-01-10 02:14:23,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-01-10 02:14:23,323 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:23,323 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:14:23,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-01-10 02:14:23,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-01-10 02:14:23,528 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:23,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:23,528 INFO L85 PathProgramCache]: Analyzing trace with hash -397103227, now seen corresponding path program 1 times [2025-01-10 02:14:23,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:23,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384310159] [2025-01-10 02:14:23,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:23,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:23,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-01-10 02:14:23,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-01-10 02:14:23,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:23,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:23,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:23,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384310159] [2025-01-10 02:14:23,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384310159] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:23,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151888101] [2025-01-10 02:14:23,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:23,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:23,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:23,752 INFO L229 MonitoredProcess]: Starting monitored process 30 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 02:14:23,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-01-10 02:14:23,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-01-10 02:14:23,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-01-10 02:14:23,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:23,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:23,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:14:23,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:24,044 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 6 proven. 320 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-01-10 02:14:24,045 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:24,313 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:24,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151888101] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:14:24,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:14:24,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 36 [2025-01-10 02:14:24,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748981044] [2025-01-10 02:14:24,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:24,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-01-10 02:14:24,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:24,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-01-10 02:14:24,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2025-01-10 02:14:24,318 INFO L87 Difference]: Start difference. First operand 710 states and 923 transitions. Second operand has 37 states, 36 states have (on average 6.222222222222222) internal successors, (224), 37 states have internal predecessors, (224), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2025-01-10 02:14:24,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:24,955 INFO L93 Difference]: Finished difference Result 2139 states and 2840 transitions. [2025-01-10 02:14:24,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-01-10 02:14:24,956 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 6.222222222222222) internal successors, (224), 37 states have internal predecessors, (224), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) Word has length 135 [2025-01-10 02:14:24,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:24,961 INFO L225 Difference]: With dead ends: 2139 [2025-01-10 02:14:24,961 INFO L226 Difference]: Without dead ends: 2131 [2025-01-10 02:14:24,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 776 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=926, Invalid=2980, Unknown=0, NotChecked=0, Total=3906 [2025-01-10 02:14:24,963 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 481 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:24,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 846 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:14:24,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2131 states. [2025-01-10 02:14:25,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2131 to 2036. [2025-01-10 02:14:25,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2036 states, 1796 states have (on average 1.2761692650334076) internal successors, (2292), 1809 states have internal predecessors, (2292), 209 states have call successors, (209), 17 states have call predecessors, (209), 17 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2025-01-10 02:14:25,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 2710 transitions. [2025-01-10 02:14:25,101 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 2710 transitions. Word has length 135 [2025-01-10 02:14:25,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:25,102 INFO L471 AbstractCegarLoop]: Abstraction has 2036 states and 2710 transitions. [2025-01-10 02:14:25,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 6.222222222222222) internal successors, (224), 37 states have internal predecessors, (224), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2025-01-10 02:14:25,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2710 transitions. [2025-01-10 02:14:25,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-01-10 02:14:25,103 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:25,103 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-01-10 02:14:25,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-01-10 02:14:25,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-01-10 02:14:25,304 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:25,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:25,304 INFO L85 PathProgramCache]: Analyzing trace with hash 566759647, now seen corresponding path program 1 times [2025-01-10 02:14:25,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:25,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768660126] [2025-01-10 02:14:25,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:25,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:25,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-01-10 02:14:25,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-01-10 02:14:25,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:25,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:25,644 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:25,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:25,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768660126] [2025-01-10 02:14:25,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768660126] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:25,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657838132] [2025-01-10 02:14:25,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:25,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:25,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:25,649 INFO L229 MonitoredProcess]: Starting monitored process 31 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 02:14:25,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-01-10 02:14:25,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-01-10 02:14:25,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-01-10 02:14:25,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:25,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:25,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:14:25,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:25,997 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:25,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:27,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657838132] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:14:27,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:14:27,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2025-01-10 02:14:27,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537778419] [2025-01-10 02:14:27,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:27,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-10 02:14:27,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:27,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-10 02:14:27,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:14:27,385 INFO L87 Difference]: Start difference. First operand 2036 states and 2710 transitions. Second operand has 22 states, 21 states have (on average 10.19047619047619) internal successors, (214), 22 states have internal predecessors, (214), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-01-10 02:14:28,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:28,352 INFO L93 Difference]: Finished difference Result 2840 states and 3773 transitions. [2025-01-10 02:14:28,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 02:14:28,353 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.19047619047619) internal successors, (214), 22 states have internal predecessors, (214), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 136 [2025-01-10 02:14:28,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:28,361 INFO L225 Difference]: With dead ends: 2840 [2025-01-10 02:14:28,361 INFO L226 Difference]: Without dead ends: 2839 [2025-01-10 02:14:28,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2025-01-10 02:14:28,364 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 488 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:28,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 738 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:14:28,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2839 states. [2025-01-10 02:14:28,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2839 to 2531. [2025-01-10 02:14:28,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2531 states, 2249 states have (on average 1.2738995108937305) internal successors, (2865), 2262 states have internal predecessors, (2865), 251 states have call successors, (251), 17 states have call predecessors, (251), 17 states have return successors, (251), 251 states have call predecessors, (251), 251 states have call successors, (251) [2025-01-10 02:14:28,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2531 states and 3367 transitions. [2025-01-10 02:14:28,482 INFO L78 Accepts]: Start accepts. Automaton has 2531 states and 3367 transitions. Word has length 136 [2025-01-10 02:14:28,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:28,483 INFO L471 AbstractCegarLoop]: Abstraction has 2531 states and 3367 transitions. [2025-01-10 02:14:28,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.19047619047619) internal successors, (214), 22 states have internal predecessors, (214), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-01-10 02:14:28,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 3367 transitions. [2025-01-10 02:14:28,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-01-10 02:14:28,485 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:28,485 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2025-01-10 02:14:28,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-01-10 02:14:28,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-01-10 02:14:28,686 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:28,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:28,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1945923821, now seen corresponding path program 1 times [2025-01-10 02:14:28,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:28,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539201512] [2025-01-10 02:14:28,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:28,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:28,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-01-10 02:14:28,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-01-10 02:14:28,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:28,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-01-10 02:14:28,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:28,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539201512] [2025-01-10 02:14:28,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539201512] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:28,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014110082] [2025-01-10 02:14:28,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:28,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:28,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:28,892 INFO L229 MonitoredProcess]: Starting monitored process 32 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 02:14:28,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-01-10 02:14:28,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-01-10 02:14:28,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-01-10 02:14:28,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:28,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:28,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:14:28,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:29,148 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-10 02:14:29,148 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:29,393 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-01-10 02:14:29,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014110082] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:14:29,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:14:29,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 29 [2025-01-10 02:14:29,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102914349] [2025-01-10 02:14:29,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:29,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-01-10 02:14:29,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:29,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-01-10 02:14:29,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2025-01-10 02:14:29,395 INFO L87 Difference]: Start difference. First operand 2531 states and 3367 transitions. Second operand has 29 states, 29 states have (on average 5.413793103448276) internal successors, (157), 29 states have internal predecessors, (157), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2025-01-10 02:14:30,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:30,036 INFO L93 Difference]: Finished difference Result 3171 states and 4159 transitions. [2025-01-10 02:14:30,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-01-10 02:14:30,037 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 5.413793103448276) internal successors, (157), 29 states have internal predecessors, (157), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 137 [2025-01-10 02:14:30,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:30,050 INFO L225 Difference]: With dead ends: 3171 [2025-01-10 02:14:30,050 INFO L226 Difference]: Without dead ends: 2686 [2025-01-10 02:14:30,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=694, Invalid=2386, Unknown=0, NotChecked=0, Total=3080 [2025-01-10 02:14:30,053 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 240 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:30,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 619 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:14:30,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2686 states. [2025-01-10 02:14:30,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2686 to 2661. [2025-01-10 02:14:30,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2661 states, 2365 states have (on average 1.2634249471458774) internal successors, (2988), 2378 states have internal predecessors, (2988), 259 states have call successors, (259), 23 states have call predecessors, (259), 23 states have return successors, (259), 259 states have call predecessors, (259), 259 states have call successors, (259) [2025-01-10 02:14:30,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2661 states and 3506 transitions. [2025-01-10 02:14:30,189 INFO L78 Accepts]: Start accepts. Automaton has 2661 states and 3506 transitions. Word has length 137 [2025-01-10 02:14:30,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:30,192 INFO L471 AbstractCegarLoop]: Abstraction has 2661 states and 3506 transitions. [2025-01-10 02:14:30,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.413793103448276) internal successors, (157), 29 states have internal predecessors, (157), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2025-01-10 02:14:30,193 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3506 transitions. [2025-01-10 02:14:30,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-01-10 02:14:30,193 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:30,193 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2025-01-10 02:14:30,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-01-10 02:14:30,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-01-10 02:14:30,394 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:30,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:30,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1846029681, now seen corresponding path program 3 times [2025-01-10 02:14:30,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:30,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437058445] [2025-01-10 02:14:30,395 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:14:30,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:30,399 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 140 statements into 6 equivalence classes. [2025-01-10 02:14:30,422 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 140 of 140 statements. [2025-01-10 02:14:30,422 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-10 02:14:30,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:14:30,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38522643] [2025-01-10 02:14:30,426 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:14:30,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:30,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:30,428 INFO L229 MonitoredProcess]: Starting monitored process 33 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 02:14:30,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-01-10 02:14:30,453 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 140 statements into 6 equivalence classes. [2025-01-10 02:14:30,465 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 50 of 140 statements. [2025-01-10 02:14:30,466 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 02:14:30,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:30,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 02:14:30,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:30,827 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2025-01-10 02:14:30,827 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:52,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:52,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437058445] [2025-01-10 02:14:52,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:14:52,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38522643] [2025-01-10 02:14:52,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38522643] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:52,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:14:52,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-01-10 02:14:52,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587117914] [2025-01-10 02:14:52,627 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:52,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:14:52,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:52,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:14:52,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=177, Unknown=4, NotChecked=0, Total=240 [2025-01-10 02:14:52,629 INFO L87 Difference]: Start difference. First operand 2661 states and 3506 transitions. Second operand has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:53,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:53,187 INFO L93 Difference]: Finished difference Result 2724 states and 3568 transitions. [2025-01-10 02:14:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 02:14:53,188 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 140 [2025-01-10 02:14:53,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:53,200 INFO L225 Difference]: With dead ends: 2724 [2025-01-10 02:14:53,200 INFO L226 Difference]: Without dead ends: 2723 [2025-01-10 02:14:53,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 21.2s TimeCoverageRelationStatistics Valid=99, Invalid=277, Unknown=4, NotChecked=0, Total=380 [2025-01-10 02:14:53,201 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 100 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:53,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 165 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:14:53,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2723 states. [2025-01-10 02:14:53,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2723 to 2661. [2025-01-10 02:14:53,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2661 states, 2365 states have (on average 1.255813953488372) internal successors, (2970), 2378 states have internal predecessors, (2970), 259 states have call successors, (259), 23 states have call predecessors, (259), 23 states have return successors, (259), 259 states have call predecessors, (259), 259 states have call successors, (259) [2025-01-10 02:14:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2661 states and 3488 transitions. [2025-01-10 02:14:53,348 INFO L78 Accepts]: Start accepts. Automaton has 2661 states and 3488 transitions. Word has length 140 [2025-01-10 02:14:53,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:53,349 INFO L471 AbstractCegarLoop]: Abstraction has 2661 states and 3488 transitions. [2025-01-10 02:14:53,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:53,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3488 transitions. [2025-01-10 02:14:53,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-01-10 02:14:53,350 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:53,350 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-01-10 02:14:53,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-01-10 02:14:53,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-01-10 02:14:53,551 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:53,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:53,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1989932688, now seen corresponding path program 2 times [2025-01-10 02:14:53,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:53,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037426424] [2025-01-10 02:14:53,551 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:14:53,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:53,562 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 141 statements into 2 equivalence classes. [2025-01-10 02:14:53,601 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 141 of 141 statements. [2025-01-10 02:14:53,601 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:14:53,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:14:53,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1485680055] [2025-01-10 02:14:53,603 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:14:53,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:53,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:53,609 INFO L229 MonitoredProcess]: Starting monitored process 34 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 02:14:53,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-01-10 02:14:53,686 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 141 statements into 2 equivalence classes. [2025-01-10 02:14:53,698 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 26 of 141 statements. [2025-01-10 02:14:53,698 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 02:14:53,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:53,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:14:53,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:53,849 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2025-01-10 02:14:53,849 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:14:53,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:53,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037426424] [2025-01-10 02:14:53,850 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:14:53,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485680055] [2025-01-10 02:14:53,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485680055] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:14:53,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:14:53,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:14:53,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18662878] [2025-01-10 02:14:53,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:14:53,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:14:53,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:53,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:14:53,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:14:53,851 INFO L87 Difference]: Start difference. First operand 2661 states and 3488 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:54,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:54,061 INFO L93 Difference]: Finished difference Result 2661 states and 3488 transitions. [2025-01-10 02:14:54,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:14:54,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 141 [2025-01-10 02:14:54,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:54,068 INFO L225 Difference]: With dead ends: 2661 [2025-01-10 02:14:54,068 INFO L226 Difference]: Without dead ends: 2660 [2025-01-10 02:14:54,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:14:54,070 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 80 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:54,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 80 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:14:54,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2025-01-10 02:14:54,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 2485. [2025-01-10 02:14:54,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 2208 states have (on average 1.225090579710145) internal successors, (2705), 2220 states have internal predecessors, (2705), 241 states have call successors, (241), 23 states have call predecessors, (241), 23 states have return successors, (241), 241 states have call predecessors, (241), 241 states have call successors, (241) [2025-01-10 02:14:54,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3187 transitions. [2025-01-10 02:14:54,236 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3187 transitions. Word has length 141 [2025-01-10 02:14:54,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:54,236 INFO L471 AbstractCegarLoop]: Abstraction has 2485 states and 3187 transitions. [2025-01-10 02:14:54,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:14:54,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3187 transitions. [2025-01-10 02:14:54,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-10 02:14:54,238 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:54,239 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-01-10 02:14:54,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-01-10 02:14:54,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:54,443 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:54,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:54,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1348963944, now seen corresponding path program 4 times [2025-01-10 02:14:54,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:54,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756570359] [2025-01-10 02:14:54,444 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:14:54,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:54,453 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 144 statements into 2 equivalence classes. [2025-01-10 02:14:54,482 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 144 of 144 statements. [2025-01-10 02:14:54,482 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:14:54,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:54,842 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:54,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:54,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756570359] [2025-01-10 02:14:54,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756570359] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:54,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247203728] [2025-01-10 02:14:54,843 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:14:54,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:54,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:54,845 INFO L229 MonitoredProcess]: Starting monitored process 35 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 02:14:54,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-01-10 02:14:54,883 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 144 statements into 2 equivalence classes. [2025-01-10 02:14:54,910 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 144 of 144 statements. [2025-01-10 02:14:54,910 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:14:54,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:54,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 02:14:54,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:55,566 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 02:14:55,566 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:55,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247203728] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:55,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:14:55,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 22 [2025-01-10 02:14:55,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046973325] [2025-01-10 02:14:55,910 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:55,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-10 02:14:55,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:55,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-10 02:14:55,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=563, Unknown=0, NotChecked=0, Total=650 [2025-01-10 02:14:55,911 INFO L87 Difference]: Start difference. First operand 2485 states and 3187 transitions. Second operand has 23 states, 22 states have (on average 7.2727272727272725) internal successors, (160), 23 states have internal predecessors, (160), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2025-01-10 02:14:57,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:57,110 INFO L93 Difference]: Finished difference Result 2609 states and 3339 transitions. [2025-01-10 02:14:57,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 02:14:57,111 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.2727272727272725) internal successors, (160), 23 states have internal predecessors, (160), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 144 [2025-01-10 02:14:57,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:57,116 INFO L225 Difference]: With dead ends: 2609 [2025-01-10 02:14:57,116 INFO L226 Difference]: Without dead ends: 2602 [2025-01-10 02:14:57,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=200, Invalid=1282, Unknown=0, NotChecked=0, Total=1482 [2025-01-10 02:14:57,118 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 264 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:57,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 767 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 02:14:57,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2025-01-10 02:14:57,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2486. [2025-01-10 02:14:57,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2486 states, 2209 states have (on average 1.2236306020823902) internal successors, (2703), 2221 states have internal predecessors, (2703), 241 states have call successors, (241), 23 states have call predecessors, (241), 23 states have return successors, (241), 241 states have call predecessors, (241), 241 states have call successors, (241) [2025-01-10 02:14:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3185 transitions. [2025-01-10 02:14:57,306 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3185 transitions. Word has length 144 [2025-01-10 02:14:57,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:57,306 INFO L471 AbstractCegarLoop]: Abstraction has 2486 states and 3185 transitions. [2025-01-10 02:14:57,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.2727272727272725) internal successors, (160), 23 states have internal predecessors, (160), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2025-01-10 02:14:57,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3185 transitions. [2025-01-10 02:14:57,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-01-10 02:14:57,307 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:57,307 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2025-01-10 02:14:57,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-01-10 02:14:57,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:57,509 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:57,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:57,510 INFO L85 PathProgramCache]: Analyzing trace with hash 736320963, now seen corresponding path program 1 times [2025-01-10 02:14:57,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:57,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317420588] [2025-01-10 02:14:57,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:57,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:57,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-01-10 02:14:57,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-01-10 02:14:57,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:57,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:14:57,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806395169] [2025-01-10 02:14:57,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:57,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:57,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:57,529 INFO L229 MonitoredProcess]: Starting monitored process 36 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 02:14:57,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-01-10 02:14:57,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-01-10 02:14:57,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-01-10 02:14:57,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:57,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:57,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:14:57,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:57,759 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2025-01-10 02:14:57,759 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:14:57,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:57,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317420588] [2025-01-10 02:14:57,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:14:57,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806395169] [2025-01-10 02:14:57,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806395169] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:14:57,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:14:57,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:14:57,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611665868] [2025-01-10 02:14:57,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:14:57,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:14:57,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:57,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:14:57,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:14:57,761 INFO L87 Difference]: Start difference. First operand 2486 states and 3185 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:14:57,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:57,913 INFO L93 Difference]: Finished difference Result 2493 states and 3191 transitions. [2025-01-10 02:14:57,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:14:57,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 147 [2025-01-10 02:14:57,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:57,918 INFO L225 Difference]: With dead ends: 2493 [2025-01-10 02:14:57,919 INFO L226 Difference]: Without dead ends: 2491 [2025-01-10 02:14:57,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 144 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 02:14:57,920 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 39 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:57,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 76 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:14:57,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2491 states. [2025-01-10 02:14:58,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2491 to 1936. [2025-01-10 02:14:58,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1936 states, 1713 states have (on average 1.1873905429071805) internal successors, (2034), 1723 states have internal predecessors, (2034), 189 states have call successors, (189), 23 states have call predecessors, (189), 23 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2025-01-10 02:14:58,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2412 transitions. [2025-01-10 02:14:58,043 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2412 transitions. Word has length 147 [2025-01-10 02:14:58,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:58,043 INFO L471 AbstractCegarLoop]: Abstraction has 1936 states and 2412 transitions. [2025-01-10 02:14:58,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:14:58,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2412 transitions. [2025-01-10 02:14:58,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-01-10 02:14:58,044 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:58,045 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:14:58,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-01-10 02:14:58,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2025-01-10 02:14:58,249 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:14:58,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:14:58,250 INFO L85 PathProgramCache]: Analyzing trace with hash 2141471629, now seen corresponding path program 1 times [2025-01-10 02:14:58,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:14:58,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195404967] [2025-01-10 02:14:58,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:58,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:14:58,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-01-10 02:14:58,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-01-10 02:14:58,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:58,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:14:58,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1915878814] [2025-01-10 02:14:58,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:14:58,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:14:58,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:14:58,278 INFO L229 MonitoredProcess]: Starting monitored process 37 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 02:14:58,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-01-10 02:14:58,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-01-10 02:14:58,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-01-10 02:14:58,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:14:58,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:14:58,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-10 02:14:58,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:58,883 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-01-10 02:14:58,884 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:59,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:59,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195404967] [2025-01-10 02:14:59,274 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:14:59,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915878814] [2025-01-10 02:14:59,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915878814] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:59,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:14:59,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:14:59,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106387999] [2025-01-10 02:14:59,274 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:59,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:14:59,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:59,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:14:59,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:14:59,275 INFO L87 Difference]: Start difference. First operand 1936 states and 2412 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-01-10 02:14:59,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:14:59,881 INFO L93 Difference]: Finished difference Result 1938 states and 2413 transitions. [2025-01-10 02:14:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:14:59,881 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 154 [2025-01-10 02:14:59,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:14:59,885 INFO L225 Difference]: With dead ends: 1938 [2025-01-10 02:14:59,885 INFO L226 Difference]: Without dead ends: 1936 [2025-01-10 02:14:59,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:14:59,886 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 14 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:14:59,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 463 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:14:59,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2025-01-10 02:14:59,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1936. [2025-01-10 02:14:59,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1936 states, 1713 states have (on average 1.1868067717454758) internal successors, (2033), 1723 states have internal predecessors, (2033), 189 states have call successors, (189), 23 states have call predecessors, (189), 23 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2025-01-10 02:14:59,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2411 transitions. [2025-01-10 02:14:59,998 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2411 transitions. Word has length 154 [2025-01-10 02:14:59,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:14:59,998 INFO L471 AbstractCegarLoop]: Abstraction has 1936 states and 2411 transitions. [2025-01-10 02:14:59,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-01-10 02:14:59,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2411 transitions. [2025-01-10 02:14:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-01-10 02:14:59,999 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:14:59,999 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 02:15:00,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-01-10 02:15:00,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:15:00,201 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:15:00,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:00,201 INFO L85 PathProgramCache]: Analyzing trace with hash 742955783, now seen corresponding path program 3 times [2025-01-10 02:15:00,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:00,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000625459] [2025-01-10 02:15:00,201 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:15:00,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:00,206 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 158 statements into 9 equivalence classes. [2025-01-10 02:15:00,227 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 158 of 158 statements. [2025-01-10 02:15:00,228 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-10 02:15:00,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:15:00,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1812095032] [2025-01-10 02:15:00,229 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:15:00,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:15:00,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:15:00,233 INFO L229 MonitoredProcess]: Starting monitored process 38 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 02:15:00,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-01-10 02:15:00,258 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 158 statements into 9 equivalence classes. [2025-01-10 02:15:00,274 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 78 of 158 statements. [2025-01-10 02:15:00,274 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 02:15:00,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:00,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-10 02:15:00,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:15:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 120 proven. 50 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2025-01-10 02:15:00,725 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:15:01,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:01,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000625459] [2025-01-10 02:15:01,548 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:15:01,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812095032] [2025-01-10 02:15:01,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812095032] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:15:01,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:15:01,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:15:01,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715361765] [2025-01-10 02:15:01,548 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:15:01,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:15:01,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:01,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:15:01,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:15:01,549 INFO L87 Difference]: Start difference. First operand 1936 states and 2411 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2025-01-10 02:15:02,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:15:02,335 INFO L93 Difference]: Finished difference Result 1998 states and 2477 transitions. [2025-01-10 02:15:02,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-10 02:15:02,335 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 158 [2025-01-10 02:15:02,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:15:02,339 INFO L225 Difference]: With dead ends: 1998 [2025-01-10 02:15:02,340 INFO L226 Difference]: Without dead ends: 1996 [2025-01-10 02:15:02,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=230, Invalid=700, Unknown=0, NotChecked=0, Total=930 [2025-01-10 02:15:02,341 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 228 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:15:02,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 370 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:15:02,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2025-01-10 02:15:02,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1936. [2025-01-10 02:15:02,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1936 states, 1713 states have (on average 1.186223000583771) internal successors, (2032), 1723 states have internal predecessors, (2032), 189 states have call successors, (189), 23 states have call predecessors, (189), 23 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2025-01-10 02:15:02,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2410 transitions. [2025-01-10 02:15:02,454 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2410 transitions. Word has length 158 [2025-01-10 02:15:02,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:15:02,454 INFO L471 AbstractCegarLoop]: Abstraction has 1936 states and 2410 transitions. [2025-01-10 02:15:02,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2025-01-10 02:15:02,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2410 transitions. [2025-01-10 02:15:02,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-01-10 02:15:02,459 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:15:02,475 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1] [2025-01-10 02:15:02,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-01-10 02:15:02,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:15:02,677 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:15:02,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:02,677 INFO L85 PathProgramCache]: Analyzing trace with hash 218002803, now seen corresponding path program 1 times [2025-01-10 02:15:02,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:02,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323683740] [2025-01-10 02:15:02,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:02,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:02,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-01-10 02:15:02,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-01-10 02:15:02,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:02,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:03,236 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-01-10 02:15:03,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:03,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323683740] [2025-01-10 02:15:03,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323683740] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:15:03,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490854284] [2025-01-10 02:15:03,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:03,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:15:03,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:15:03,242 INFO L229 MonitoredProcess]: Starting monitored process 39 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 02:15:03,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-01-10 02:15:03,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-01-10 02:15:03,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-01-10 02:15:03,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:03,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:03,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 02:15:03,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:15:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-01-10 02:15:03,853 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:15:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-01-10 02:15:08,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490854284] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:15:08,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:15:08,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 8] total 31 [2025-01-10 02:15:08,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650039225] [2025-01-10 02:15:08,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:15:08,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-01-10 02:15:08,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:08,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-01-10 02:15:08,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=820, Unknown=0, NotChecked=0, Total=992 [2025-01-10 02:15:08,116 INFO L87 Difference]: Start difference. First operand 1936 states and 2410 transitions. Second operand has 32 states, 31 states have (on average 8.64516129032258) internal successors, (268), 32 states have internal predecessors, (268), 16 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 16 states have call predecessors, (45), 16 states have call successors, (45) [2025-01-10 02:15:10,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:15:10,751 INFO L93 Difference]: Finished difference Result 2219 states and 2774 transitions. [2025-01-10 02:15:10,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-10 02:15:10,752 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 8.64516129032258) internal successors, (268), 32 states have internal predecessors, (268), 16 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 16 states have call predecessors, (45), 16 states have call successors, (45) Word has length 164 [2025-01-10 02:15:10,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:15:10,756 INFO L225 Difference]: With dead ends: 2219 [2025-01-10 02:15:10,756 INFO L226 Difference]: Without dead ends: 2217 [2025-01-10 02:15:10,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 308 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=559, Invalid=1697, Unknown=0, NotChecked=0, Total=2256 [2025-01-10 02:15:10,757 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 880 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:15:10,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 1171 Invalid, 1577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-01-10 02:15:10,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2025-01-10 02:15:10,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 1951. [2025-01-10 02:15:10,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1951 states, 1741 states have (on average 1.1522113727742678) internal successors, (2006), 1750 states have internal predecessors, (2006), 177 states have call successors, (177), 23 states have call predecessors, (177), 23 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2025-01-10 02:15:10,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2360 transitions. [2025-01-10 02:15:10,904 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2360 transitions. Word has length 164 [2025-01-10 02:15:10,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:15:10,904 INFO L471 AbstractCegarLoop]: Abstraction has 1951 states and 2360 transitions. [2025-01-10 02:15:10,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 8.64516129032258) internal successors, (268), 32 states have internal predecessors, (268), 16 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 16 states have call predecessors, (45), 16 states have call successors, (45) [2025-01-10 02:15:10,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2360 transitions. [2025-01-10 02:15:10,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-01-10 02:15:10,906 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:15:10,906 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-01-10 02:15:10,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-01-10 02:15:11,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-01-10 02:15:11,110 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:15:11,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:11,110 INFO L85 PathProgramCache]: Analyzing trace with hash 472203493, now seen corresponding path program 5 times [2025-01-10 02:15:11,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:11,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514765659] [2025-01-10 02:15:11,111 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:15:11,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:11,117 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 170 statements into 7 equivalence classes. [2025-01-10 02:15:11,136 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 170 of 170 statements. [2025-01-10 02:15:11,137 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-01-10 02:15:11,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:15:11,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [318252829] [2025-01-10 02:15:11,138 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:15:11,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:15:11,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:15:11,144 INFO L229 MonitoredProcess]: Starting monitored process 40 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 02:15:11,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-01-10 02:15:11,169 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 170 statements into 7 equivalence classes. [2025-01-10 02:15:11,211 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 170 of 170 statements. [2025-01-10 02:15:11,211 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-01-10 02:15:11,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:11,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-01-10 02:15:11,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:15:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-01-10 02:15:12,416 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:15:21,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:21,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514765659] [2025-01-10 02:15:21,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:15:21,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318252829] [2025-01-10 02:15:21,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318252829] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:15:21,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:15:21,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2025-01-10 02:15:21,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670458594] [2025-01-10 02:15:21,192 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:15:21,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-10 02:15:21,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:21,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-10 02:15:21,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=454, Unknown=2, NotChecked=0, Total=552 [2025-01-10 02:15:21,193 INFO L87 Difference]: Start difference. First operand 1951 states and 2360 transitions. Second operand has 19 states, 18 states have (on average 5.166666666666667) internal successors, (93), 19 states have internal predecessors, (93), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-01-10 02:15:22,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:15:22,439 INFO L93 Difference]: Finished difference Result 2035 states and 2465 transitions. [2025-01-10 02:15:22,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-10 02:15:22,440 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.166666666666667) internal successors, (93), 19 states have internal predecessors, (93), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 170 [2025-01-10 02:15:22,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:15:22,448 INFO L225 Difference]: With dead ends: 2035 [2025-01-10 02:15:22,448 INFO L226 Difference]: Without dead ends: 2033 [2025-01-10 02:15:22,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=96, Invalid=454, Unknown=2, NotChecked=0, Total=552 [2025-01-10 02:15:22,453 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 60 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 1793 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:15:22,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 921 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1793 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-01-10 02:15:22,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2033 states. [2025-01-10 02:15:22,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2033 to 1957. [2025-01-10 02:15:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1957 states, 1745 states have (on average 1.151862464183381) internal successors, (2010), 1754 states have internal predecessors, (2010), 179 states have call successors, (179), 23 states have call predecessors, (179), 23 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2025-01-10 02:15:22,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 2368 transitions. [2025-01-10 02:15:22,793 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 2368 transitions. Word has length 170 [2025-01-10 02:15:22,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:15:22,797 INFO L471 AbstractCegarLoop]: Abstraction has 1957 states and 2368 transitions. [2025-01-10 02:15:22,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.166666666666667) internal successors, (93), 19 states have internal predecessors, (93), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-01-10 02:15:22,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2368 transitions. [2025-01-10 02:15:22,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-01-10 02:15:22,799 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:15:22,799 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 02:15:22,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-01-10 02:15:23,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-01-10 02:15:23,000 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 02:15:23,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:23,004 INFO L85 PathProgramCache]: Analyzing trace with hash -505194620, now seen corresponding path program 1 times [2025-01-10 02:15:23,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:23,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039356777] [2025-01-10 02:15:23,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:23,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:23,010 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-01-10 02:15:23,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-01-10 02:15:23,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:23,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:23,413 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 6 proven. 110 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-01-10 02:15:23,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:23,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039356777] [2025-01-10 02:15:23,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039356777] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:15:23,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677425407] [2025-01-10 02:15:23,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:23,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:15:23,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:15:23,415 INFO L229 MonitoredProcess]: Starting monitored process 41 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 02:15:23,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-01-10 02:15:23,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-01-10 02:15:23,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-01-10 02:15:23,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:23,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:23,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 02:15:23,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:15:24,205 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 18 proven. 98 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-01-10 02:15:24,205 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:15:24,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677425407] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:15:24,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:15:24,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2025-01-10 02:15:24,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547848207] [2025-01-10 02:15:24,625 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:15:24,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-10 02:15:24,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:24,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-10 02:15:24,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2025-01-10 02:15:24,627 INFO L87 Difference]: Start difference. First operand 1957 states and 2368 transitions. Second operand has 25 states, 24 states have (on average 8.0) internal successors, (192), 25 states have internal predecessors, (192), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30)