./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound10.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/egcd3-ll_valuebound10.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 776d32abf1ae3b62e7ad4a02cd7c02c0cc6433852a1fe73b7d30c6e216da832a --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:00:27,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:00:27,517 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:00:27,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:00:27,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:00:27,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:00:27,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:00:27,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:00:27,546 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:00:27,546 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:00:27,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:00:27,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:00:27,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:00:27,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:00:27,547 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:00:27,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:00:27,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:00:27,547 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:00:27,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:00:27,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:00:27,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:00:27,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:00:27,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:00:27,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:00:27,548 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:00:27,548 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:00:27,548 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:00:27,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:00:27,548 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:00:27,548 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:00:27,548 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:00:27,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:00:27,548 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:00:27,548 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:00:27,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:00:27,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:00:27,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:00:27,549 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:00:27,549 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:00:27,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:00:27,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:00:27,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:00:27,550 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:00:27,550 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:00:27,550 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:00:27,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:00:27,550 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:00:27,551 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:00:27,551 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:00:27,551 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:00:27,551 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 -> 776d32abf1ae3b62e7ad4a02cd7c02c0cc6433852a1fe73b7d30c6e216da832a [2025-01-10 02:00:27,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:00:27,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:00:27,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:00:27,786 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:00:27,786 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:00:27,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound10.c [2025-01-10 02:00:29,009 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72f6b8524/f10c0d661f934949976bc11e0e31a5d1/FLAG983928d27 [2025-01-10 02:00:29,272 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:00:29,274 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound10.c [2025-01-10 02:00:29,282 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72f6b8524/f10c0d661f934949976bc11e0e31a5d1/FLAG983928d27 [2025-01-10 02:00:29,588 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72f6b8524/f10c0d661f934949976bc11e0e31a5d1 [2025-01-10 02:00:29,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:00:29,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:00:29,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:00:29,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:00:29,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:00:29,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:00:29" (1/1) ... [2025-01-10 02:00:29,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49bb72c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29, skipping insertion in model container [2025-01-10 02:00:29,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:00:29" (1/1) ... [2025-01-10 02:00:29,630 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:00:29,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:00:29,821 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:00:29,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:00:29,841 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:00:29,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29 WrapperNode [2025-01-10 02:00:29,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:00:29,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:00:29,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:00:29,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:00:29,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29" (1/1) ... [2025-01-10 02:00:29,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29" (1/1) ... [2025-01-10 02:00:29,861 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 130 [2025-01-10 02:00:29,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:00:29,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:00:29,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:00:29,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:00:29,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29" (1/1) ... [2025-01-10 02:00:29,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29" (1/1) ... [2025-01-10 02:00:29,869 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29" (1/1) ... [2025-01-10 02:00:29,883 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 02:00:29,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29" (1/1) ... [2025-01-10 02:00:29,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29" (1/1) ... [2025-01-10 02:00:29,886 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29" (1/1) ... [2025-01-10 02:00:29,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29" (1/1) ... [2025-01-10 02:00:29,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29" (1/1) ... [2025-01-10 02:00:29,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29" (1/1) ... [2025-01-10 02:00:29,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29" (1/1) ... [2025-01-10 02:00:29,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:00:29,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:00:29,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:00:29,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:00:29,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29" (1/1) ... [2025-01-10 02:00:29,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:00:29,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:29,921 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 02:00:29,927 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 02:00:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:00:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 02:00:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 02:00:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:00:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:00:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:00:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:00:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:00:29,987 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:00:29,988 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:00:30,311 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2025-01-10 02:00:30,312 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:00:30,320 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:00:30,320 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-10 02:00:30,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:00:30 BoogieIcfgContainer [2025-01-10 02:00:30,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:00:30,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:00:30,322 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:00:30,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:00:30,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:00:29" (1/3) ... [2025-01-10 02:00:30,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba3c17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:00:30, skipping insertion in model container [2025-01-10 02:00:30,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:29" (2/3) ... [2025-01-10 02:00:30,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba3c17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:00:30, skipping insertion in model container [2025-01-10 02:00:30,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:00:30" (3/3) ... [2025-01-10 02:00:30,328 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd3-ll_valuebound10.c [2025-01-10 02:00:30,338 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:00:30,340 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd3-ll_valuebound10.c that has 3 procedures, 131 locations, 1 initial locations, 3 loop locations, and 50 error locations. [2025-01-10 02:00:30,376 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:00:30,387 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;@509f482e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:00:30,388 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2025-01-10 02:00:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 69 states have (on average 1.8405797101449275) internal successors, (127), 119 states have internal predecessors, (127), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 02:00:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-10 02:00:30,398 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:30,398 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:30,399 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:30,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:30,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1842101361, now seen corresponding path program 1 times [2025-01-10 02:00:30,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:30,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270195769] [2025-01-10 02:00:30,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:30,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:30,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 02:00:30,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 02:00:30,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:30,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:30,500 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-10 02:00:30,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:30,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270195769] [2025-01-10 02:00:30,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270195769] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:30,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640834608] [2025-01-10 02:00:30,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:30,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:30,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:30,504 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 02:00:30,505 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 02:00:30,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 02:00:30,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 02:00:30,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:30,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:30,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 02:00:30,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:30,560 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-10 02:00:30,560 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:30,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640834608] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:30,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:00:30,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 02:00:30,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281236603] [2025-01-10 02:00:30,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:30,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:00:30,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:30,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:00:30,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:00:30,585 INFO L87 Difference]: Start difference. First operand has 131 states, 69 states have (on average 1.8405797101449275) internal successors, (127), 119 states have internal predecessors, (127), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:30,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:30,604 INFO L93 Difference]: Finished difference Result 258 states and 294 transitions. [2025-01-10 02:00:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:00:30,606 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2025-01-10 02:00:30,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:30,610 INFO L225 Difference]: With dead ends: 258 [2025-01-10 02:00:30,610 INFO L226 Difference]: Without dead ends: 124 [2025-01-10 02:00:30,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:00:30,622 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:30,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:00:30,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-01-10 02:00:30,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2025-01-10 02:00:30,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 64 states have (on average 1.8125) internal successors, (116), 113 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:00:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 132 transitions. [2025-01-10 02:00:30,666 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 132 transitions. Word has length 26 [2025-01-10 02:00:30,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:30,667 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 132 transitions. [2025-01-10 02:00:30,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 132 transitions. [2025-01-10 02:00:30,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-10 02:00:30,668 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:30,668 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:30,682 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 02:00:30,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-10 02:00:30,869 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:30,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:30,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1885995310, now seen corresponding path program 1 times [2025-01-10 02:00:30,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:30,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459738833] [2025-01-10 02:00:30,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:30,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:30,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 02:00:30,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 02:00:30,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:30,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:31,055 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:00:31,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:31,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459738833] [2025-01-10 02:00:31,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459738833] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:31,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:31,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:00:31,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885388720] [2025-01-10 02:00:31,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:31,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:00:31,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:31,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:00:31,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:00:31,059 INFO L87 Difference]: Start difference. First operand 124 states and 132 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:31,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:31,344 INFO L93 Difference]: Finished difference Result 210 states and 230 transitions. [2025-01-10 02:00:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:00:31,344 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2025-01-10 02:00:31,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:31,346 INFO L225 Difference]: With dead ends: 210 [2025-01-10 02:00:31,346 INFO L226 Difference]: Without dead ends: 182 [2025-01-10 02:00:31,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:00:31,348 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 200 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:31,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 317 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:00:31,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2025-01-10 02:00:31,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 125. [2025-01-10 02:00:31,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 65 states have (on average 1.8) internal successors, (117), 114 states have internal predecessors, (117), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:00:31,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 133 transitions. [2025-01-10 02:00:31,366 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 133 transitions. Word has length 26 [2025-01-10 02:00:31,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:31,367 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 133 transitions. [2025-01-10 02:00:31,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:31,367 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 133 transitions. [2025-01-10 02:00:31,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 02:00:31,367 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:31,367 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:31,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 02:00:31,368 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:31,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:31,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1663686539, now seen corresponding path program 1 times [2025-01-10 02:00:31,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:31,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441181034] [2025-01-10 02:00:31,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:31,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:31,376 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 02:00:31,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 02:00:31,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:31,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:31,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [777811798] [2025-01-10 02:00:31,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:31,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:31,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:31,397 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 02:00:31,417 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 02:00:31,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 02:00:31,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 02:00:31,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:31,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:31,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:00:31,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:31,456 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:31,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:31,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:31,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441181034] [2025-01-10 02:00:31,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:31,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777811798] [2025-01-10 02:00:31,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777811798] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:31,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:31,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:00:31,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857289499] [2025-01-10 02:00:31,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:31,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:00:31,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:31,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:00:31,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:00:31,458 INFO L87 Difference]: Start difference. First operand 125 states and 133 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:31,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:31,519 INFO L93 Difference]: Finished difference Result 194 states and 210 transitions. [2025-01-10 02:00:31,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:00:31,520 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2025-01-10 02:00:31,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:31,521 INFO L225 Difference]: With dead ends: 194 [2025-01-10 02:00:31,521 INFO L226 Difference]: Without dead ends: 192 [2025-01-10 02:00:31,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 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 02:00:31,522 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 63 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:31,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 235 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:31,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2025-01-10 02:00:31,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 159. [2025-01-10 02:00:31,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 95 states have (on average 1.8421052631578947) internal successors, (175), 144 states have internal predecessors, (175), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:00:31,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 199 transitions. [2025-01-10 02:00:31,530 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 199 transitions. Word has length 27 [2025-01-10 02:00:31,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:31,531 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 199 transitions. [2025-01-10 02:00:31,531 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:31,531 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 199 transitions. [2025-01-10 02:00:31,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-10 02:00:31,531 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:31,531 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:31,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 02:00:31,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:31,733 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:31,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:31,733 INFO L85 PathProgramCache]: Analyzing trace with hash 34675536, now seen corresponding path program 1 times [2025-01-10 02:00:31,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:31,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654258966] [2025-01-10 02:00:31,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:31,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:31,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 02:00:31,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 02:00:31,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:31,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:31,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [654712134] [2025-01-10 02:00:31,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:31,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:31,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:31,755 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 02:00:31,757 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 02:00:31,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 02:00:31,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 02:00:31,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:31,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:31,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:00:31,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:31,820 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:31,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:31,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654258966] [2025-01-10 02:00:31,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:31,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654712134] [2025-01-10 02:00:31,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654712134] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:31,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:31,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:00:31,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357490068] [2025-01-10 02:00:31,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:31,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:00:31,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:31,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:00:31,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:00:31,821 INFO L87 Difference]: Start difference. First operand 159 states and 199 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:31,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:31,984 INFO L93 Difference]: Finished difference Result 190 states and 208 transitions. [2025-01-10 02:00:31,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:00:31,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2025-01-10 02:00:31,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:31,986 INFO L225 Difference]: With dead ends: 190 [2025-01-10 02:00:31,986 INFO L226 Difference]: Without dead ends: 186 [2025-01-10 02:00:31,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 02:00:31,986 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 56 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:31,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 217 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:31,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2025-01-10 02:00:32,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 162. [2025-01-10 02:00:32,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 98 states have (on average 1.7959183673469388) internal successors, (176), 147 states have internal predecessors, (176), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:00:32,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 200 transitions. [2025-01-10 02:00:32,003 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 200 transitions. Word has length 28 [2025-01-10 02:00:32,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:32,004 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 200 transitions. [2025-01-10 02:00:32,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:32,004 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 200 transitions. [2025-01-10 02:00:32,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 02:00:32,004 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:32,004 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:32,010 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 02:00:32,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:32,209 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:32,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:32,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1074931821, now seen corresponding path program 1 times [2025-01-10 02:00:32,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:32,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16005621] [2025-01-10 02:00:32,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:32,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:32,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:00:32,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:00:32,228 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:32,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:32,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1449417389] [2025-01-10 02:00:32,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:32,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:32,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:32,232 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 02:00:32,234 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 02:00:32,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:00:32,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:00:32,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:32,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:32,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:00:32,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:32,358 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:32,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:32,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16005621] [2025-01-10 02:00:32,358 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:32,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449417389] [2025-01-10 02:00:32,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449417389] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:32,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:32,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:00:32,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675847467] [2025-01-10 02:00:32,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:32,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:00:32,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:32,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:00:32,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:00:32,360 INFO L87 Difference]: Start difference. First operand 162 states and 200 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:32,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:32,494 INFO L93 Difference]: Finished difference Result 181 states and 200 transitions. [2025-01-10 02:00:32,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:00:32,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2025-01-10 02:00:32,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:32,496 INFO L225 Difference]: With dead ends: 181 [2025-01-10 02:00:32,496 INFO L226 Difference]: Without dead ends: 180 [2025-01-10 02:00:32,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 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 02:00:32,497 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 136 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:32,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 196 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:32,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2025-01-10 02:00:32,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 162. [2025-01-10 02:00:32,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 98 states have (on average 1.7857142857142858) internal successors, (175), 147 states have internal predecessors, (175), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:00:32,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 199 transitions. [2025-01-10 02:00:32,511 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 199 transitions. Word has length 29 [2025-01-10 02:00:32,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:32,511 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 199 transitions. [2025-01-10 02:00:32,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:32,511 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 199 transitions. [2025-01-10 02:00:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:00:32,512 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:32,512 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:32,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 02:00:32,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:32,713 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:32,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:32,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1036544014, now seen corresponding path program 1 times [2025-01-10 02:00:32,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:32,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228736770] [2025-01-10 02:00:32,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:32,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:32,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:00:32,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:00:32,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:32,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:32,791 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:32,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:32,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228736770] [2025-01-10 02:00:32,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228736770] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:32,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:32,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:00:32,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331140411] [2025-01-10 02:00:32,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:32,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:00:32,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:32,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:00:32,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:00:32,792 INFO L87 Difference]: Start difference. First operand 162 states and 199 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:33,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:33,054 INFO L93 Difference]: Finished difference Result 185 states and 203 transitions. [2025-01-10 02:00:33,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:00:33,054 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2025-01-10 02:00:33,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:33,055 INFO L225 Difference]: With dead ends: 185 [2025-01-10 02:00:33,055 INFO L226 Difference]: Without dead ends: 184 [2025-01-10 02:00:33,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:00:33,056 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 52 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:33,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 409 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:00:33,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2025-01-10 02:00:33,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 163. [2025-01-10 02:00:33,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7777777777777777) internal successors, (176), 148 states have internal predecessors, (176), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:00:33,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 200 transitions. [2025-01-10 02:00:33,063 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 200 transitions. Word has length 30 [2025-01-10 02:00:33,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:33,064 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 200 transitions. [2025-01-10 02:00:33,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:33,064 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 200 transitions. [2025-01-10 02:00:33,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:00:33,064 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:33,064 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:33,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 02:00:33,065 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:33,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:33,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1036851852, now seen corresponding path program 1 times [2025-01-10 02:00:33,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:33,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166021281] [2025-01-10 02:00:33,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:33,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:33,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:00:33,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:00:33,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:33,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:33,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [507565463] [2025-01-10 02:00:33,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:33,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:33,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:33,076 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 02:00:33,078 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 02:00:33,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:00:33,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:00:33,104 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:33,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:33,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:00:33,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:33,139 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:33,139 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:33,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:33,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166021281] [2025-01-10 02:00:33,140 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:33,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507565463] [2025-01-10 02:00:33,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507565463] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:33,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:33,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:00:33,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98065416] [2025-01-10 02:00:33,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:33,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:00:33,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:33,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:00:33,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:00:33,141 INFO L87 Difference]: Start difference. First operand 163 states and 200 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:33,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:33,266 INFO L93 Difference]: Finished difference Result 182 states and 200 transitions. [2025-01-10 02:00:33,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:00:33,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2025-01-10 02:00:33,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:33,267 INFO L225 Difference]: With dead ends: 182 [2025-01-10 02:00:33,267 INFO L226 Difference]: Without dead ends: 181 [2025-01-10 02:00:33,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 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 02:00:33,268 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 135 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:33,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 196 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:33,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2025-01-10 02:00:33,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 163. [2025-01-10 02:00:33,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7676767676767677) internal successors, (175), 148 states have internal predecessors, (175), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:00:33,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 199 transitions. [2025-01-10 02:00:33,275 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 199 transitions. Word has length 30 [2025-01-10 02:00:33,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:33,275 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 199 transitions. [2025-01-10 02:00:33,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:33,275 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 199 transitions. [2025-01-10 02:00:33,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 02:00:33,275 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:33,276 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:33,281 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 02:00:33,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:33,480 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:33,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:33,481 INFO L85 PathProgramCache]: Analyzing trace with hash -2068093225, now seen corresponding path program 1 times [2025-01-10 02:00:33,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:33,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188849635] [2025-01-10 02:00:33,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:33,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:33,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:00:33,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:00:33,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:33,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:33,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [569761416] [2025-01-10 02:00:33,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:33,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:33,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:33,492 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 02:00:33,494 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 02:00:33,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:00:33,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:00:33,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:33,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:33,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:00:33,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:33,553 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:33,553 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:33,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:33,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188849635] [2025-01-10 02:00:33,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:33,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569761416] [2025-01-10 02:00:33,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569761416] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:33,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:33,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:00:33,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242048151] [2025-01-10 02:00:33,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:33,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:00:33,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:33,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:00:33,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:00:33,555 INFO L87 Difference]: Start difference. First operand 163 states and 199 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:33,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:33,694 INFO L93 Difference]: Finished difference Result 183 states and 201 transitions. [2025-01-10 02:00:33,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:00:33,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2025-01-10 02:00:33,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:33,696 INFO L225 Difference]: With dead ends: 183 [2025-01-10 02:00:33,696 INFO L226 Difference]: Without dead ends: 182 [2025-01-10 02:00:33,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 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 02:00:33,696 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 52 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:33,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 285 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:33,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2025-01-10 02:00:33,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 164. [2025-01-10 02:00:33,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 100 states have (on average 1.76) internal successors, (176), 149 states have internal predecessors, (176), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:00:33,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 200 transitions. [2025-01-10 02:00:33,703 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 200 transitions. Word has length 31 [2025-01-10 02:00:33,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:33,704 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 200 transitions. [2025-01-10 02:00:33,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:33,704 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 200 transitions. [2025-01-10 02:00:33,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 02:00:33,704 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:33,704 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:33,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 02:00:33,909 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,SelfDestructingSolverStorable7 [2025-01-10 02:00:33,909 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:33,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:33,910 INFO L85 PathProgramCache]: Analyzing trace with hash -2077636273, now seen corresponding path program 1 times [2025-01-10 02:00:33,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:33,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759875245] [2025-01-10 02:00:33,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:33,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:33,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:00:33,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:00:33,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:33,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:33,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [208254869] [2025-01-10 02:00:33,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:33,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:33,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:33,921 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 02:00:33,922 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 02:00:33,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:00:33,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:00:33,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:33,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:33,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:00:33,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:33,972 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:33,972 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:33,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:33,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759875245] [2025-01-10 02:00:33,973 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:33,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208254869] [2025-01-10 02:00:33,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208254869] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:33,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:33,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:00:33,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391878626] [2025-01-10 02:00:33,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:33,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:00:33,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:33,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:00:33,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:00:33,973 INFO L87 Difference]: Start difference. First operand 164 states and 200 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:34,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:34,105 INFO L93 Difference]: Finished difference Result 190 states and 206 transitions. [2025-01-10 02:00:34,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:00:34,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2025-01-10 02:00:34,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:34,106 INFO L225 Difference]: With dead ends: 190 [2025-01-10 02:00:34,106 INFO L226 Difference]: Without dead ends: 189 [2025-01-10 02:00:34,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 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 02:00:34,107 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 55 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:34,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 316 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:34,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-01-10 02:00:34,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 164. [2025-01-10 02:00:34,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 100 states have (on average 1.75) internal successors, (175), 149 states have internal predecessors, (175), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:00:34,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 199 transitions. [2025-01-10 02:00:34,115 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 199 transitions. Word has length 31 [2025-01-10 02:00:34,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:34,115 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 199 transitions. [2025-01-10 02:00:34,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:34,115 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 199 transitions. [2025-01-10 02:00:34,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-10 02:00:34,115 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:34,116 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:34,121 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 02:00:34,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:34,317 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:34,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:34,317 INFO L85 PathProgramCache]: Analyzing trace with hash 313619604, now seen corresponding path program 1 times [2025-01-10 02:00:34,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:34,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064138699] [2025-01-10 02:00:34,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:34,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:34,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:00:34,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:00:34,325 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:34,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:34,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [466668800] [2025-01-10 02:00:34,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:34,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:34,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:34,328 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 02:00:34,330 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 02:00:34,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:00:34,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:00:34,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:34,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:34,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:00:34,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:34,366 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:34,366 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:34,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:34,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064138699] [2025-01-10 02:00:34,366 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:34,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466668800] [2025-01-10 02:00:34,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466668800] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:34,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:34,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:00:34,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073712139] [2025-01-10 02:00:34,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:34,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:00:34,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:34,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:00:34,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:00:34,368 INFO L87 Difference]: Start difference. First operand 164 states and 199 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:34,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:34,446 INFO L93 Difference]: Finished difference Result 274 states and 350 transitions. [2025-01-10 02:00:34,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:00:34,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2025-01-10 02:00:34,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:34,448 INFO L225 Difference]: With dead ends: 274 [2025-01-10 02:00:34,448 INFO L226 Difference]: Without dead ends: 268 [2025-01-10 02:00:34,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 02:00:34,449 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 55 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:34,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 212 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:34,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2025-01-10 02:00:34,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 236. [2025-01-10 02:00:34,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 164 states have (on average 1.7195121951219512) internal successors, (282), 213 states have internal predecessors, (282), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:00:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 322 transitions. [2025-01-10 02:00:34,464 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 322 transitions. Word has length 32 [2025-01-10 02:00:34,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:34,464 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 322 transitions. [2025-01-10 02:00:34,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 322 transitions. [2025-01-10 02:00:34,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-10 02:00:34,465 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:34,466 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:34,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-10 02:00:34,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:34,671 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:34,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:34,671 INFO L85 PathProgramCache]: Analyzing trace with hash 17785046, now seen corresponding path program 1 times [2025-01-10 02:00:34,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:34,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045197510] [2025-01-10 02:00:34,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:34,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:34,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:00:34,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:00:34,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:34,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:34,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1985448884] [2025-01-10 02:00:34,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:34,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:34,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:34,687 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 02:00:34,689 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 02:00:34,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:00:34,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:00:34,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:34,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:34,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:00:34,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:34,771 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:34,771 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:34,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:34,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045197510] [2025-01-10 02:00:34,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:34,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985448884] [2025-01-10 02:00:34,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985448884] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:34,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:34,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:00:34,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711267880] [2025-01-10 02:00:34,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:34,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:00:34,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:34,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:00:34,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:00:34,773 INFO L87 Difference]: Start difference. First operand 236 states and 322 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:34,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:34,899 INFO L93 Difference]: Finished difference Result 261 states and 326 transitions. [2025-01-10 02:00:34,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:00:34,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2025-01-10 02:00:34,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:34,902 INFO L225 Difference]: With dead ends: 261 [2025-01-10 02:00:34,902 INFO L226 Difference]: Without dead ends: 260 [2025-01-10 02:00:34,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 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 02:00:34,902 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 98 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:34,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 239 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:34,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2025-01-10 02:00:34,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 236. [2025-01-10 02:00:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 164 states have (on average 1.7073170731707317) internal successors, (280), 213 states have internal predecessors, (280), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:00:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 320 transitions. [2025-01-10 02:00:34,914 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 320 transitions. Word has length 32 [2025-01-10 02:00:34,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:34,914 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 320 transitions. [2025-01-10 02:00:34,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:34,914 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 320 transitions. [2025-01-10 02:00:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 02:00:34,916 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:34,916 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 02:00:34,922 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 02:00:35,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:35,117 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:35,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:35,118 INFO L85 PathProgramCache]: Analyzing trace with hash 740733238, now seen corresponding path program 1 times [2025-01-10 02:00:35,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:35,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676636247] [2025-01-10 02:00:35,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:35,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:35,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:00:35,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:00:35,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:35,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:35,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:35,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676636247] [2025-01-10 02:00:35,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676636247] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:35,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:35,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:00:35,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649537126] [2025-01-10 02:00:35,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:35,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:00:35,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:35,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:00:35,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:00:35,263 INFO L87 Difference]: Start difference. First operand 236 states and 320 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:35,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:35,342 INFO L93 Difference]: Finished difference Result 265 states and 330 transitions. [2025-01-10 02:00:35,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:00:35,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2025-01-10 02:00:35,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:35,344 INFO L225 Difference]: With dead ends: 265 [2025-01-10 02:00:35,344 INFO L226 Difference]: Without dead ends: 264 [2025-01-10 02:00:35,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:00:35,344 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 55 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:35,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 349 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:35,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2025-01-10 02:00:35,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 241. [2025-01-10 02:00:35,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 169 states have (on average 1.698224852071006) internal successors, (287), 218 states have internal predecessors, (287), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:00:35,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 327 transitions. [2025-01-10 02:00:35,353 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 327 transitions. Word has length 34 [2025-01-10 02:00:35,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:35,353 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 327 transitions. [2025-01-10 02:00:35,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 327 transitions. [2025-01-10 02:00:35,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-10 02:00:35,354 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:35,354 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 02:00:35,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-10 02:00:35,354 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:35,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:35,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1487894043, now seen corresponding path program 1 times [2025-01-10 02:00:35,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:35,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724961754] [2025-01-10 02:00:35,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:35,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:35,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:00:35,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:00:35,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:35,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:35,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [425387278] [2025-01-10 02:00:35,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:35,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:35,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:35,367 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 02:00:35,368 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 02:00:35,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:00:35,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:00:35,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:35,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:35,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:00:35,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:35,433 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:35,433 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:35,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:35,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724961754] [2025-01-10 02:00:35,433 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:35,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425387278] [2025-01-10 02:00:35,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425387278] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:35,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:35,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:00:35,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546009351] [2025-01-10 02:00:35,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:35,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:00:35,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:35,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:00:35,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:00:35,434 INFO L87 Difference]: Start difference. First operand 241 states and 327 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:35,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:35,573 INFO L93 Difference]: Finished difference Result 282 states and 338 transitions. [2025-01-10 02:00:35,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:00:35,573 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2025-01-10 02:00:35,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:35,574 INFO L225 Difference]: With dead ends: 282 [2025-01-10 02:00:35,574 INFO L226 Difference]: Without dead ends: 281 [2025-01-10 02:00:35,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:00:35,575 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 149 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:35,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 346 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:35,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2025-01-10 02:00:35,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 243. [2025-01-10 02:00:35,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 171 states have (on average 1.6900584795321638) internal successors, (289), 220 states have internal predecessors, (289), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:00:35,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 329 transitions. [2025-01-10 02:00:35,584 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 329 transitions. Word has length 35 [2025-01-10 02:00:35,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:35,585 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 329 transitions. [2025-01-10 02:00:35,585 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:35,585 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 329 transitions. [2025-01-10 02:00:35,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-10 02:00:35,585 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:35,585 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 02:00:35,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-10 02:00:35,785 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,SelfDestructingSolverStorable12 [2025-01-10 02:00:35,786 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:35,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:35,786 INFO L85 PathProgramCache]: Analyzing trace with hash -357932731, now seen corresponding path program 1 times [2025-01-10 02:00:35,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:35,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401089953] [2025-01-10 02:00:35,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:35,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:35,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:00:35,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:00:35,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:35,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:35,884 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:00:35,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:35,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401089953] [2025-01-10 02:00:35,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401089953] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:35,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604642208] [2025-01-10 02:00:35,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:35,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:35,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:35,890 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 02:00:35,892 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 02:00:35,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:00:35,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:00:35,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:35,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:35,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:00:35,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:35,960 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:36,071 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:36,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604642208] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:00:36,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:00:36,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 15 [2025-01-10 02:00:36,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215496738] [2025-01-10 02:00:36,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:36,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 02:00:36,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:36,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 02:00:36,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:00:36,074 INFO L87 Difference]: Start difference. First operand 243 states and 329 transitions. Second operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 14 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:00:37,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:37,198 INFO L93 Difference]: Finished difference Result 867 states and 1152 transitions. [2025-01-10 02:00:37,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-10 02:00:37,198 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 14 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2025-01-10 02:00:37,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:37,201 INFO L225 Difference]: With dead ends: 867 [2025-01-10 02:00:37,201 INFO L226 Difference]: Without dead ends: 839 [2025-01-10 02:00:37,202 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=316, Invalid=944, Unknown=0, NotChecked=0, Total=1260 [2025-01-10 02:00:37,202 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 1761 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 1731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:37,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 1297 Invalid, 1731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 1481 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 02:00:37,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2025-01-10 02:00:37,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 246. [2025-01-10 02:00:37,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 174 states have (on average 1.6896551724137931) internal successors, (294), 223 states have internal predecessors, (294), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:00:37,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 334 transitions. [2025-01-10 02:00:37,216 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 334 transitions. Word has length 37 [2025-01-10 02:00:37,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:37,216 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 334 transitions. [2025-01-10 02:00:37,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 14 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:00:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 334 transitions. [2025-01-10 02:00:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 02:00:37,216 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:37,216 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-01-10 02:00:37,222 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 02:00:37,421 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,SelfDestructingSolverStorable13 [2025-01-10 02:00:37,421 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:37,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:37,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1788986232, now seen corresponding path program 1 times [2025-01-10 02:00:37,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:37,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861045098] [2025-01-10 02:00:37,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:37,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:37,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:00:37,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:00:37,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:37,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:37,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [434000257] [2025-01-10 02:00:37,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:37,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:37,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:37,434 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 02:00:37,435 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 02:00:37,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:00:37,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:00:37,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:37,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:37,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:00:37,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:00:37,592 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:37,770 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:00:37,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:37,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861045098] [2025-01-10 02:00:37,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:37,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434000257] [2025-01-10 02:00:37,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434000257] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:00:37,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:00:37,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2025-01-10 02:00:37,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231717751] [2025-01-10 02:00:37,771 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:37,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:00:37,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:37,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:00:37,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:00:37,772 INFO L87 Difference]: Start difference. First operand 246 states and 334 transitions. Second operand has 12 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 02:00:38,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:38,304 INFO L93 Difference]: Finished difference Result 431 states and 559 transitions. [2025-01-10 02:00:38,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:00:38,305 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) Word has length 38 [2025-01-10 02:00:38,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:38,306 INFO L225 Difference]: With dead ends: 431 [2025-01-10 02:00:38,306 INFO L226 Difference]: Without dead ends: 428 [2025-01-10 02:00:38,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:00:38,307 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 541 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:38,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 955 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:00:38,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2025-01-10 02:00:38,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 258. [2025-01-10 02:00:38,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 186 states have (on average 1.6612903225806452) internal successors, (309), 234 states have internal predecessors, (309), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 02:00:38,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 351 transitions. [2025-01-10 02:00:38,321 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 351 transitions. Word has length 38 [2025-01-10 02:00:38,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:38,322 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 351 transitions. [2025-01-10 02:00:38,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 02:00:38,322 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 351 transitions. [2025-01-10 02:00:38,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 02:00:38,322 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:38,322 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-01-10 02:00:38,329 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 02:00:38,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:38,525 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:38,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:38,526 INFO L85 PathProgramCache]: Analyzing trace with hash -376001595, now seen corresponding path program 1 times [2025-01-10 02:00:38,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:38,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190983680] [2025-01-10 02:00:38,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:38,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:38,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:00:38,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:00:38,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:38,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:38,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1634534400] [2025-01-10 02:00:38,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:38,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:38,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:38,539 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 02:00:38,540 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 02:00:38,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:00:38,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:00:38,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:38,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:38,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:00:38,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:38,720 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:00:38,721 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:38,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:38,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190983680] [2025-01-10 02:00:38,916 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:38,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634534400] [2025-01-10 02:00:38,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634534400] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:38,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:00:38,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 02:00:38,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643319442] [2025-01-10 02:00:38,916 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:38,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:00:38,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:38,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:00:38,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:00:38,917 INFO L87 Difference]: Start difference. First operand 258 states and 351 transitions. Second operand has 8 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:39,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:39,141 INFO L93 Difference]: Finished difference Result 410 states and 538 transitions. [2025-01-10 02:00:39,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:00:39,142 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2025-01-10 02:00:39,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:39,143 INFO L225 Difference]: With dead ends: 410 [2025-01-10 02:00:39,143 INFO L226 Difference]: Without dead ends: 407 [2025-01-10 02:00:39,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:00:39,144 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 541 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:39,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 423 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:00:39,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2025-01-10 02:00:39,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 342. [2025-01-10 02:00:39,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 261 states have (on average 1.7049808429118773) internal successors, (445), 309 states have internal predecessors, (445), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 02:00:39,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 505 transitions. [2025-01-10 02:00:39,193 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 505 transitions. Word has length 39 [2025-01-10 02:00:39,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:39,193 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 505 transitions. [2025-01-10 02:00:39,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:39,193 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 505 transitions. [2025-01-10 02:00:39,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 02:00:39,194 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:39,194 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 02:00:39,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-10 02:00:39,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:39,394 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:39,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:39,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1228852506, now seen corresponding path program 1 times [2025-01-10 02:00:39,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:39,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461662507] [2025-01-10 02:00:39,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:39,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:39,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:00:39,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:00:39,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:39,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:39,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1293046752] [2025-01-10 02:00:39,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:39,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:39,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:39,407 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 02:00:39,411 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 02:00:39,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:00:39,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:00:39,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:39,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:39,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 02:00:39,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:00:39,572 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:39,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:39,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461662507] [2025-01-10 02:00:39,710 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:39,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293046752] [2025-01-10 02:00:39,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293046752] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:39,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:00:39,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 02:00:39,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83286279] [2025-01-10 02:00:39,710 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:39,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:00:39,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:39,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:00:39,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:00:39,711 INFO L87 Difference]: Start difference. First operand 342 states and 505 transitions. Second operand has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:40,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:40,288 INFO L93 Difference]: Finished difference Result 463 states and 649 transitions. [2025-01-10 02:00:40,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:00:40,292 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-01-10 02:00:40,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:40,294 INFO L225 Difference]: With dead ends: 463 [2025-01-10 02:00:40,294 INFO L226 Difference]: Without dead ends: 462 [2025-01-10 02:00:40,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:00:40,294 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 313 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:40,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 607 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:00:40,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2025-01-10 02:00:40,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 416. [2025-01-10 02:00:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 326 states have (on average 1.7239263803680982) internal successors, (562), 374 states have internal predecessors, (562), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:00:40,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 640 transitions. [2025-01-10 02:00:40,330 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 640 transitions. Word has length 40 [2025-01-10 02:00:40,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:40,330 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 640 transitions. [2025-01-10 02:00:40,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:40,330 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 640 transitions. [2025-01-10 02:00:40,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-10 02:00:40,331 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:40,331 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:40,338 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 02:00:40,531 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,SelfDestructingSolverStorable16 [2025-01-10 02:00:40,532 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:40,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:40,532 INFO L85 PathProgramCache]: Analyzing trace with hash -559970075, now seen corresponding path program 1 times [2025-01-10 02:00:40,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:40,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912618994] [2025-01-10 02:00:40,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:40,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:40,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:00:40,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:00:40,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:40,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:40,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:40,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:40,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912618994] [2025-01-10 02:00:40,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912618994] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:40,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076514981] [2025-01-10 02:00:40,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:40,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:40,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:40,636 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 02:00:40,637 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 02:00:40,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:00:40,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:00:40,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:40,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:40,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:00:40,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:40,716 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:40,716 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:40,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076514981] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:40,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:00:40,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-01-10 02:00:40,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334055403] [2025-01-10 02:00:40,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:40,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:00:40,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:40,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:00:40,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:00:40,717 INFO L87 Difference]: Start difference. First operand 416 states and 640 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:41,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:41,003 INFO L93 Difference]: Finished difference Result 600 states and 841 transitions. [2025-01-10 02:00:41,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:00:41,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2025-01-10 02:00:41,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:41,006 INFO L225 Difference]: With dead ends: 600 [2025-01-10 02:00:41,006 INFO L226 Difference]: Without dead ends: 437 [2025-01-10 02:00:41,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:00:41,006 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 154 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:41,007 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 531 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:00:41,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2025-01-10 02:00:41,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 403. [2025-01-10 02:00:41,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.7229299363057324) internal successors, (541), 361 states have internal predecessors, (541), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:00:41,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 619 transitions. [2025-01-10 02:00:41,080 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 619 transitions. Word has length 41 [2025-01-10 02:00:41,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:41,080 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 619 transitions. [2025-01-10 02:00:41,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 619 transitions. [2025-01-10 02:00:41,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-10 02:00:41,081 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:41,081 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 02:00:41,090 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 02:00:41,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 02:00:41,281 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:41,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:41,282 INFO L85 PathProgramCache]: Analyzing trace with hash -560277913, now seen corresponding path program 1 times [2025-01-10 02:00:41,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:41,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856478288] [2025-01-10 02:00:41,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:41,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:41,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:00:41,289 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:00:41,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:41,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:41,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [3288627] [2025-01-10 02:00:41,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:41,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:41,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:41,292 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 02:00:41,294 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 02:00:41,311 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:00:41,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:00:41,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:41,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:41,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 02:00:41,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:41,534 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:00:41,534 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:41,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:41,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856478288] [2025-01-10 02:00:41,980 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:41,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3288627] [2025-01-10 02:00:41,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3288627] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:41,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:00:41,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 02:00:41,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930562544] [2025-01-10 02:00:41,980 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:41,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:00:41,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:41,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:00:41,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:00:41,981 INFO L87 Difference]: Start difference. First operand 403 states and 619 transitions. Second operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:42,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:42,507 INFO L93 Difference]: Finished difference Result 449 states and 624 transitions. [2025-01-10 02:00:42,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:00:42,508 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2025-01-10 02:00:42,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:42,509 INFO L225 Difference]: With dead ends: 449 [2025-01-10 02:00:42,509 INFO L226 Difference]: Without dead ends: 448 [2025-01-10 02:00:42,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:00:42,510 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 306 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:42,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 622 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:00:42,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2025-01-10 02:00:42,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 403. [2025-01-10 02:00:42,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.713375796178344) internal successors, (538), 361 states have internal predecessors, (538), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:00:42,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 616 transitions. [2025-01-10 02:00:42,549 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 616 transitions. Word has length 41 [2025-01-10 02:00:42,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:42,549 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 616 transitions. [2025-01-10 02:00:42,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:42,549 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 616 transitions. [2025-01-10 02:00:42,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-01-10 02:00:42,549 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:42,549 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 02:00:42,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 02:00:42,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:42,750 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:42,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:42,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1736158019, now seen corresponding path program 1 times [2025-01-10 02:00:42,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:42,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49895653] [2025-01-10 02:00:42,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:42,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:42,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 02:00:42,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 02:00:42,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:42,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:42,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [941039316] [2025-01-10 02:00:42,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:42,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:42,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:42,766 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 02:00:42,767 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 02:00:42,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 02:00:42,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 02:00:42,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:42,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:42,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:00:42,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:42,876 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:42,876 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:42,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:42,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49895653] [2025-01-10 02:00:42,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:42,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941039316] [2025-01-10 02:00:42,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941039316] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:42,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:42,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:00:42,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675067575] [2025-01-10 02:00:42,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:42,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:00:42,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:42,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:00:42,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:00:42,877 INFO L87 Difference]: Start difference. First operand 403 states and 616 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 02:00:43,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:43,166 INFO L93 Difference]: Finished difference Result 430 states and 627 transitions. [2025-01-10 02:00:43,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:00:43,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 42 [2025-01-10 02:00:43,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:43,176 INFO L225 Difference]: With dead ends: 430 [2025-01-10 02:00:43,176 INFO L226 Difference]: Without dead ends: 429 [2025-01-10 02:00:43,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 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 02:00:43,177 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 55 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:43,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 291 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:00:43,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2025-01-10 02:00:43,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 403. [2025-01-10 02:00:43,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.7070063694267517) internal successors, (536), 361 states have internal predecessors, (536), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:00:43,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 614 transitions. [2025-01-10 02:00:43,198 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 614 transitions. Word has length 42 [2025-01-10 02:00:43,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:43,198 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 614 transitions. [2025-01-10 02:00:43,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 02:00:43,198 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 614 transitions. [2025-01-10 02:00:43,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-01-10 02:00:43,199 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:43,199 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 02:00:43,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-10 02:00:43,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:43,400 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:43,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:43,400 INFO L85 PathProgramCache]: Analyzing trace with hash -188746052, now seen corresponding path program 1 times [2025-01-10 02:00:43,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:43,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371051219] [2025-01-10 02:00:43,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:43,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:43,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 02:00:43,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 02:00:43,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:43,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:43,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970626035] [2025-01-10 02:00:43,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:43,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:43,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:43,412 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 02:00:43,420 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 02:00:43,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 02:00:43,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 02:00:43,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:43,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:43,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:00:43,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:00:43,650 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:00:47,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:47,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371051219] [2025-01-10 02:00:47,918 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:47,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970626035] [2025-01-10 02:00:47,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970626035] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:00:47,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:00:47,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-01-10 02:00:47,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839479153] [2025-01-10 02:00:47,918 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:47,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 02:00:47,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:47,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 02:00:47,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=163, Unknown=1, NotChecked=0, Total=210 [2025-01-10 02:00:47,919 INFO L87 Difference]: Start difference. First operand 403 states and 614 transitions. Second operand has 15 states, 14 states have (on average 3.5) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:00:48,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:48,685 INFO L93 Difference]: Finished difference Result 456 states and 626 transitions. [2025-01-10 02:00:48,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:00:48,685 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.5) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 42 [2025-01-10 02:00:48,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:48,687 INFO L225 Difference]: With dead ends: 456 [2025-01-10 02:00:48,687 INFO L226 Difference]: Without dead ends: 451 [2025-01-10 02:00:48,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=71, Invalid=234, Unknown=1, NotChecked=0, Total=306 [2025-01-10 02:00:48,687 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 370 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:48,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 864 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 02:00:48,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2025-01-10 02:00:48,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 329. [2025-01-10 02:00:48,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.6546184738955823) internal successors, (412), 296 states have internal predecessors, (412), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 02:00:48,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 472 transitions. [2025-01-10 02:00:48,705 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 472 transitions. Word has length 42 [2025-01-10 02:00:48,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:48,705 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 472 transitions. [2025-01-10 02:00:48,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.5) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:00:48,705 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 472 transitions. [2025-01-10 02:00:48,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-10 02:00:48,705 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:48,705 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 02:00:48,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-01-10 02:00:48,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:48,906 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:48,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:48,907 INFO L85 PathProgramCache]: Analyzing trace with hash 2013676341, now seen corresponding path program 1 times [2025-01-10 02:00:48,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:48,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40543158] [2025-01-10 02:00:48,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:48,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:48,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:00:48,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:00:48,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:48,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:48,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [244955112] [2025-01-10 02:00:48,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:48,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:48,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:48,915 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 02:00:48,918 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 02:00:48,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:00:48,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:00:48,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:48,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:48,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:00:48,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:49,013 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:49,014 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:49,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:49,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40543158] [2025-01-10 02:00:49,014 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:49,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244955112] [2025-01-10 02:00:49,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244955112] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:49,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:49,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:00:49,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341690196] [2025-01-10 02:00:49,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:49,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:00:49,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:49,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:00:49,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:00:49,015 INFO L87 Difference]: Start difference. First operand 329 states and 472 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, (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 02:00:49,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:49,152 INFO L93 Difference]: Finished difference Result 357 states and 484 transitions. [2025-01-10 02:00:49,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:00:49,155 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, (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 02:00:49,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:49,156 INFO L225 Difference]: With dead ends: 357 [2025-01-10 02:00:49,157 INFO L226 Difference]: Without dead ends: 356 [2025-01-10 02:00:49,157 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 02:00:49,159 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 90 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:49,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 229 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:49,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-01-10 02:00:49,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 329. [2025-01-10 02:00:49,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.6465863453815262) internal successors, (410), 296 states have internal predecessors, (410), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 02:00:49,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 470 transitions. [2025-01-10 02:00:49,196 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 470 transitions. Word has length 43 [2025-01-10 02:00:49,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:49,196 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 470 transitions. [2025-01-10 02:00:49,196 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, (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 02:00:49,196 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 470 transitions. [2025-01-10 02:00:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-10 02:00:49,196 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:49,197 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 02:00:49,211 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 02:00:49,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:49,397 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:49,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:49,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1556160247, now seen corresponding path program 1 times [2025-01-10 02:00:49,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:49,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042235654] [2025-01-10 02:00:49,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:49,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:49,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:00:49,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:00:49,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:49,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:49,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2059137269] [2025-01-10 02:00:49,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:49,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:49,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:49,415 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 02:00:49,415 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 02:00:49,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:00:49,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:00:49,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:49,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:49,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:00:49,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:00:49,655 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:50,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:50,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042235654] [2025-01-10 02:00:50,530 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:50,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059137269] [2025-01-10 02:00:50,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059137269] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:50,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:00:50,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:00:50,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804012027] [2025-01-10 02:00:50,532 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:50,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:00:50,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:50,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:00:50,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:00:50,533 INFO L87 Difference]: Start difference. First operand 329 states and 470 transitions. Second operand has 11 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:00:51,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:51,106 INFO L93 Difference]: Finished difference Result 439 states and 603 transitions. [2025-01-10 02:00:51,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:00:51,110 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 43 [2025-01-10 02:00:51,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:51,111 INFO L225 Difference]: With dead ends: 439 [2025-01-10 02:00:51,111 INFO L226 Difference]: Without dead ends: 438 [2025-01-10 02:00:51,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2025-01-10 02:00:51,112 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 499 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:51,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 488 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:00:51,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2025-01-10 02:00:51,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 403. [2025-01-10 02:00:51,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.6464968152866242) internal successors, (517), 361 states have internal predecessors, (517), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:00:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 595 transitions. [2025-01-10 02:00:51,162 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 595 transitions. Word has length 43 [2025-01-10 02:00:51,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:51,162 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 595 transitions. [2025-01-10 02:00:51,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:00:51,163 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 595 transitions. [2025-01-10 02:00:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-01-10 02:00:51,163 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:51,163 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:51,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-01-10 02:00:51,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:51,368 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:51,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:51,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1679219884, now seen corresponding path program 1 times [2025-01-10 02:00:51,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:51,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230212157] [2025-01-10 02:00:51,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:51,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:51,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:00:51,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:00:51,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:51,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:51,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [211013736] [2025-01-10 02:00:51,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:51,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:51,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:51,379 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 02:00:51,381 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 02:00:51,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:00:51,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:00:51,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:51,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:51,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 02:00:51,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:00:51,632 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:55,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:55,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230212157] [2025-01-10 02:00:55,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:55,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211013736] [2025-01-10 02:00:55,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211013736] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:55,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:00:55,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:00:55,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828557958] [2025-01-10 02:00:55,855 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:55,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:00:55,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:55,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:00:55,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=213, Unknown=1, NotChecked=0, Total=272 [2025-01-10 02:00:55,855 INFO L87 Difference]: Start difference. First operand 403 states and 595 transitions. Second operand has 11 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:00:56,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:56,474 INFO L93 Difference]: Finished difference Result 445 states and 608 transitions. [2025-01-10 02:00:56,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:00:56,475 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 49 [2025-01-10 02:00:56,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:56,476 INFO L225 Difference]: With dead ends: 445 [2025-01-10 02:00:56,476 INFO L226 Difference]: Without dead ends: 444 [2025-01-10 02:00:56,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=109, Invalid=352, Unknown=1, NotChecked=0, Total=462 [2025-01-10 02:00:56,477 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 626 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:56,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 586 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:00:56,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-01-10 02:00:56,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 403. [2025-01-10 02:00:56,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.6369426751592357) internal successors, (514), 361 states have internal predecessors, (514), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:00:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 592 transitions. [2025-01-10 02:00:56,500 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 592 transitions. Word has length 49 [2025-01-10 02:00:56,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:56,500 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 592 transitions. [2025-01-10 02:00:56,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:00:56,501 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 592 transitions. [2025-01-10 02:00:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-10 02:00:56,501 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:56,501 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:56,507 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 02:00:56,701 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,SelfDestructingSolverStorable23 [2025-01-10 02:00:56,702 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:56,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:56,702 INFO L85 PathProgramCache]: Analyzing trace with hash 516208926, now seen corresponding path program 1 times [2025-01-10 02:00:56,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:56,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575330627] [2025-01-10 02:00:56,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:56,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:56,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 02:00:56,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 02:00:56,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:56,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:56,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1657663708] [2025-01-10 02:00:56,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:56,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:56,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:56,713 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 02:00:56,714 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 02:00:56,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 02:00:56,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 02:00:56,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:56,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:56,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 02:00:56,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:56,904 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:00:56,904 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:01:05,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:01:05,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575330627] [2025-01-10 02:01:05,218 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:01:05,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657663708] [2025-01-10 02:01:05,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657663708] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:01:05,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:01:05,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:01:05,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331241979] [2025-01-10 02:01:05,218 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:01:05,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:01:05,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:01:05,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:01:05,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=218, Unknown=2, NotChecked=0, Total=272 [2025-01-10 02:01:05,219 INFO L87 Difference]: Start difference. First operand 403 states and 592 transitions. Second operand has 11 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:01:05,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:01:05,811 INFO L93 Difference]: Finished difference Result 445 states and 605 transitions. [2025-01-10 02:01:05,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:01:05,811 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 50 [2025-01-10 02:01:05,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:01:05,813 INFO L225 Difference]: With dead ends: 445 [2025-01-10 02:01:05,813 INFO L226 Difference]: Without dead ends: 444 [2025-01-10 02:01:05,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=108, Invalid=352, Unknown=2, NotChecked=0, Total=462 [2025-01-10 02:01:05,813 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 635 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:01:05,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 586 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:01:05,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-01-10 02:01:05,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 403. [2025-01-10 02:01:05,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.627388535031847) internal successors, (511), 361 states have internal predecessors, (511), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:01:05,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 589 transitions. [2025-01-10 02:01:05,850 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 589 transitions. Word has length 50 [2025-01-10 02:01:05,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:01:05,850 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 589 transitions. [2025-01-10 02:01:05,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:01:05,850 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 589 transitions. [2025-01-10 02:01:05,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-01-10 02:01:05,850 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:01:05,851 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:01:05,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-01-10 02:01:06,054 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,SelfDestructingSolverStorable24 [2025-01-10 02:01:06,055 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:01:06,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:01:06,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1436440067, now seen corresponding path program 1 times [2025-01-10 02:01:06,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:01:06,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19933183] [2025-01-10 02:01:06,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:06,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:01:06,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:01:06,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:01:06,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:06,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:01:06,176 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-10 02:01:06,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:01:06,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19933183] [2025-01-10 02:01:06,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19933183] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:01:06,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016107889] [2025-01-10 02:01:06,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:06,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:01:06,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:01:06,179 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 02:01:06,180 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 02:01:06,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:01:06,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:01:06,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:06,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:01:06,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:01:06,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:01:06,272 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-10 02:01:06,273 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:01:06,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016107889] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:01:06,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:01:06,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2025-01-10 02:01:06,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515305131] [2025-01-10 02:01:06,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:01:06,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:01:06,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:01:06,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:01:06,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:01:06,288 INFO L87 Difference]: Start difference. First operand 403 states and 589 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, (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 02:01:06,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:01:06,517 INFO L93 Difference]: Finished difference Result 430 states and 593 transitions. [2025-01-10 02:01:06,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:01:06,518 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, (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 02:01:06,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:01:06,519 INFO L225 Difference]: With dead ends: 430 [2025-01-10 02:01:06,519 INFO L226 Difference]: Without dead ends: 429 [2025-01-10 02:01:06,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:01:06,520 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 250 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:01:06,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 265 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:01:06,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2025-01-10 02:01:06,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 403. [2025-01-10 02:01:06,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.624203821656051) internal successors, (510), 361 states have internal predecessors, (510), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:01:06,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 588 transitions. [2025-01-10 02:01:06,543 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 588 transitions. Word has length 51 [2025-01-10 02:01:06,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:01:06,543 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 588 transitions. [2025-01-10 02:01:06,543 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, (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 02:01:06,543 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 588 transitions. [2025-01-10 02:01:06,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-01-10 02:01:06,544 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:01:06,544 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:01:06,553 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 02:01:06,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-01-10 02:01:06,744 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:01:06,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:01:06,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1177392402, now seen corresponding path program 1 times [2025-01-10 02:01:06,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:01:06,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931233439] [2025-01-10 02:01:06,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:06,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:01:06,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:01:06,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:01:06,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:06,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:01:06,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [403770788] [2025-01-10 02:01:06,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:06,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:01:06,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:01:06,758 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 02:01:06,759 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 02:01:06,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:01:06,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:01:06,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:06,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:01:06,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 02:01:06,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:01:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:01:06,962 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:01:07,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:01:07,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931233439] [2025-01-10 02:01:07,177 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:01:07,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403770788] [2025-01-10 02:01:07,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403770788] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:01:07,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:01:07,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:01:07,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851761593] [2025-01-10 02:01:07,178 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:01:07,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:01:07,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:01:07,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:01:07,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:01:07,179 INFO L87 Difference]: Start difference. First operand 403 states and 588 transitions. Second operand has 11 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:01:07,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:01:07,817 INFO L93 Difference]: Finished difference Result 451 states and 609 transitions. [2025-01-10 02:01:07,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:01:07,817 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 51 [2025-01-10 02:01:07,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:01:07,818 INFO L225 Difference]: With dead ends: 451 [2025-01-10 02:01:07,818 INFO L226 Difference]: Without dead ends: 450 [2025-01-10 02:01:07,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2025-01-10 02:01:07,819 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 579 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:01:07,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 438 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:01:07,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2025-01-10 02:01:07,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 393. [2025-01-10 02:01:07,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 305 states have (on average 1.639344262295082) internal successors, (500), 352 states have internal predecessors, (500), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-01-10 02:01:07,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 576 transitions. [2025-01-10 02:01:07,843 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 576 transitions. Word has length 51 [2025-01-10 02:01:07,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:01:07,844 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 576 transitions. [2025-01-10 02:01:07,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:01:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 576 transitions. [2025-01-10 02:01:07,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:01:07,844 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:01:07,844 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:01:07,850 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 02:01:08,048 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,SelfDestructingSolverStorable26 [2025-01-10 02:01:08,048 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:01:08,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:01:08,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1579969208, now seen corresponding path program 1 times [2025-01-10 02:01:08,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:01:08,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628076539] [2025-01-10 02:01:08,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:08,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:01:08,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:01:08,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:01:08,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:08,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:01:08,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1359570284] [2025-01-10 02:01:08,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:08,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:01:08,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:01:08,063 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 02:01:08,064 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 02:01:08,083 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:01:08,092 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:01:08,092 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:08,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:01:08,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:01:08,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:01:08,192 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-10 02:01:08,192 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:01:08,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:01:08,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628076539] [2025-01-10 02:01:08,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:01:08,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359570284] [2025-01-10 02:01:08,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359570284] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:01:08,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:01:08,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:01:08,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971198603] [2025-01-10 02:01:08,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:01:08,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:01:08,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:01:08,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:01:08,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:01:08,194 INFO L87 Difference]: Start difference. First operand 393 states and 576 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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 02:01:08,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:01:08,449 INFO L93 Difference]: Finished difference Result 420 states and 580 transitions. [2025-01-10 02:01:08,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:01:08,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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 52 [2025-01-10 02:01:08,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:01:08,450 INFO L225 Difference]: With dead ends: 420 [2025-01-10 02:01:08,450 INFO L226 Difference]: Without dead ends: 419 [2025-01-10 02:01:08,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 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 02:01:08,451 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 247 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:01:08,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 267 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:01:08,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2025-01-10 02:01:08,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 393. [2025-01-10 02:01:08,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 305 states have (on average 1.6360655737704919) internal successors, (499), 352 states have internal predecessors, (499), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-01-10 02:01:08,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 575 transitions. [2025-01-10 02:01:08,473 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 575 transitions. Word has length 52 [2025-01-10 02:01:08,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:01:08,473 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 575 transitions. [2025-01-10 02:01:08,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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 02:01:08,473 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 575 transitions. [2025-01-10 02:01:08,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:01:08,474 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:01:08,474 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:01:08,482 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 02:01:08,674 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,SelfDestructingSolverStorable27 [2025-01-10 02:01:08,674 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:01:08,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:01:08,674 INFO L85 PathProgramCache]: Analyzing trace with hash -2139426016, now seen corresponding path program 1 times [2025-01-10 02:01:08,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:01:08,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206004687] [2025-01-10 02:01:08,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:08,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:01:08,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:01:08,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:01:08,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:08,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:01:08,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1406975010] [2025-01-10 02:01:08,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:08,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:01:08,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:01:08,683 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 02:01:08,684 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 02:01:08,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:01:08,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:01:08,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:08,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:01:08,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 02:01:08,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:01:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:01:08,882 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:01:12,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:01:12,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206004687] [2025-01-10 02:01:12,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:01:12,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406975010] [2025-01-10 02:01:12,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406975010] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:01:12,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:01:12,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:01:12,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295838027] [2025-01-10 02:01:12,988 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:01:12,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:01:12,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:01:12,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:01:12,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=214, Unknown=1, NotChecked=0, Total=272 [2025-01-10 02:01:12,989 INFO L87 Difference]: Start difference. First operand 393 states and 575 transitions. Second operand has 11 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:01:13,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:01:13,629 INFO L93 Difference]: Finished difference Result 441 states and 596 transitions. [2025-01-10 02:01:13,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:01:13,629 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 52 [2025-01-10 02:01:13,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:01:13,630 INFO L225 Difference]: With dead ends: 441 [2025-01-10 02:01:13,630 INFO L226 Difference]: Without dead ends: 440 [2025-01-10 02:01:13,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=112, Invalid=393, Unknown=1, NotChecked=0, Total=506 [2025-01-10 02:01:13,631 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 383 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:01:13,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 474 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 944 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:01:13,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-01-10 02:01:13,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 393. [2025-01-10 02:01:13,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 305 states have (on average 1.6295081967213114) internal successors, (497), 352 states have internal predecessors, (497), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-01-10 02:01:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 573 transitions. [2025-01-10 02:01:13,654 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 573 transitions. Word has length 52 [2025-01-10 02:01:13,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:01:13,654 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 573 transitions. [2025-01-10 02:01:13,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:01:13,654 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 573 transitions. [2025-01-10 02:01:13,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-10 02:01:13,654 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:01:13,654 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:01:13,660 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 02:01:13,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-01-10 02:01:13,855 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:01:13,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:01:13,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1897696976, now seen corresponding path program 1 times [2025-01-10 02:01:13,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:01:13,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760485467] [2025-01-10 02:01:13,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:13,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:01:13,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:01:13,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:01:13,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:13,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:01:13,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [698001769] [2025-01-10 02:01:13,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:13,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:01:13,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:01:13,867 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 02:01:13,868 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 02:01:13,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:01:13,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:01:13,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:13,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:01:13,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-01-10 02:01:13,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:01:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:01:14,205 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:01:14,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:01:14,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760485467] [2025-01-10 02:01:14,274 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:01:14,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698001769] [2025-01-10 02:01:14,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698001769] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:01:14,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:01:14,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 02:01:14,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285066310] [2025-01-10 02:01:14,274 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:01:14,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 02:01:14,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:01:14,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 02:01:14,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:01:14,275 INFO L87 Difference]: Start difference. First operand 393 states and 573 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-01-10 02:01:14,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:01:14,914 INFO L93 Difference]: Finished difference Result 439 states and 592 transitions. [2025-01-10 02:01:14,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 02:01:14,914 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 53 [2025-01-10 02:01:14,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:01:14,916 INFO L225 Difference]: With dead ends: 439 [2025-01-10 02:01:14,916 INFO L226 Difference]: Without dead ends: 438 [2025-01-10 02:01:14,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:01:14,916 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 324 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:01:14,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 646 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 02:01:14,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2025-01-10 02:01:14,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 393. [2025-01-10 02:01:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 305 states have (on average 1.6229508196721312) internal successors, (495), 352 states have internal predecessors, (495), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-01-10 02:01:14,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 571 transitions. [2025-01-10 02:01:14,949 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 571 transitions. Word has length 53 [2025-01-10 02:01:14,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:01:14,949 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 571 transitions. [2025-01-10 02:01:14,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-01-10 02:01:14,949 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 571 transitions. [2025-01-10 02:01:14,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-10 02:01:14,949 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:01:14,949 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:01:14,957 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 02:01:15,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:01:15,154 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:01:15,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:01:15,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1300935970, now seen corresponding path program 1 times [2025-01-10 02:01:15,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:01:15,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352641636] [2025-01-10 02:01:15,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:15,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:01:15,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 02:01:15,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 02:01:15,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:15,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:01:15,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [520708373] [2025-01-10 02:01:15,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:15,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:01:15,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:01:15,163 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 02:01:15,165 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 02:01:15,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 02:01:15,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 02:01:15,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:15,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:01:15,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-10 02:01:15,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:01:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:01:15,480 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:01:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:01:27,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:01:27,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352641636] [2025-01-10 02:01:27,747 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:01:27,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520708373] [2025-01-10 02:01:27,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520708373] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:01:27,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:01:27,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2025-01-10 02:01:27,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915026367] [2025-01-10 02:01:27,747 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:01:27,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-10 02:01:27,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:01:27,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-10 02:01:27,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=279, Unknown=3, NotChecked=0, Total=342 [2025-01-10 02:01:27,748 INFO L87 Difference]: Start difference. First operand 393 states and 571 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 02:01:32,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:01:36,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:01:40,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:01:44,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:01:48,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:01:56,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:02:02,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:02:06,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:02:11,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1]