./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/egcd.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/egcd.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 01ca8c8e30ceefcd4f6e4832a31edd1224d925e8551df750bd60cc922035a838 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:47:36,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:47:36,070 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 01:47:36,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:47:36,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:47:36,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:47:36,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:47:36,088 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:47:36,088 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:47:36,088 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:47:36,088 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:47:36,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:47:36,088 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:47:36,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:47:36,089 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:47:36,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:47:36,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:47:36,089 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 01:47:36,089 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:47:36,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 01:47:36,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:47:36,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:47:36,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:47:36,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:47:36,090 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:47:36,090 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:47:36,090 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 01:47:36,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:47:36,090 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:47:36,090 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:47:36,090 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:47:36,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:47:36,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:47:36,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:47:36,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:47:36,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:47:36,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:47:36,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:47:36,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:47:36,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:47:36,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:47:36,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:47:36,091 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:47:36,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:47:36,091 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:47:36,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:47:36,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:47:36,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:47:36,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:47:36,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:47:36,092 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 -> 01ca8c8e30ceefcd4f6e4832a31edd1224d925e8551df750bd60cc922035a838 [2025-01-10 01:47:36,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:47:36,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:47:36,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:47:36,333 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:47:36,333 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:47:36,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/egcd.c [2025-01-10 01:47:37,489 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/45b81cc14/6f9e4edb2e384d87953477b9b8c95a19/FLAG946f94f26 [2025-01-10 01:47:37,695 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:47:37,696 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench/egcd.c [2025-01-10 01:47:37,715 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/45b81cc14/6f9e4edb2e384d87953477b9b8c95a19/FLAG946f94f26 [2025-01-10 01:47:37,733 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/45b81cc14/6f9e4edb2e384d87953477b9b8c95a19 [2025-01-10 01:47:37,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:47:37,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:47:37,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:47:37,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:47:37,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:47:37,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:47:37" (1/1) ... [2025-01-10 01:47:37,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13cd50e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37, skipping insertion in model container [2025-01-10 01:47:37,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:47:37" (1/1) ... [2025-01-10 01:47:37,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:47:37,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:47:37,882 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:47:37,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:47:37,905 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:47:37,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37 WrapperNode [2025-01-10 01:47:37,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:47:37,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:47:37,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:47:37,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:47:37,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37" (1/1) ... [2025-01-10 01:47:37,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37" (1/1) ... [2025-01-10 01:47:37,938 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 121 [2025-01-10 01:47:37,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:47:37,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:47:37,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:47:37,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:47:37,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37" (1/1) ... [2025-01-10 01:47:37,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37" (1/1) ... [2025-01-10 01:47:37,951 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37" (1/1) ... [2025-01-10 01:47:37,963 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2025-01-10 01:47:37,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37" (1/1) ... [2025-01-10 01:47:37,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37" (1/1) ... [2025-01-10 01:47:37,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37" (1/1) ... [2025-01-10 01:47:37,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37" (1/1) ... [2025-01-10 01:47:37,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37" (1/1) ... [2025-01-10 01:47:37,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37" (1/1) ... [2025-01-10 01:47:37,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37" (1/1) ... [2025-01-10 01:47:37,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:47:37,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:47:37,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:47:37,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:47:37,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37" (1/1) ... [2025-01-10 01:47:37,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:47:38,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:38,016 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 01:47:38,019 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 01:47:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 01:47:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 01:47:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 01:47:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 01:47:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 01:47:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:47:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:47:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 01:47:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 01:47:38,087 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:47:38,089 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:47:38,478 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2025-01-10 01:47:38,478 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:47:38,488 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:47:38,489 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 01:47:38,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:47:38 BoogieIcfgContainer [2025-01-10 01:47:38,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:47:38,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:47:38,491 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:47:38,494 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:47:38,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:47:37" (1/3) ... [2025-01-10 01:47:38,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681b4105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:47:38, skipping insertion in model container [2025-01-10 01:47:38,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:47:37" (2/3) ... [2025-01-10 01:47:38,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681b4105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:47:38, skipping insertion in model container [2025-01-10 01:47:38,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:47:38" (3/3) ... [2025-01-10 01:47:38,495 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd.c [2025-01-10 01:47:38,505 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:47:38,506 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd.c that has 3 procedures, 140 locations, 1 initial locations, 1 loop locations, and 56 error locations. [2025-01-10 01:47:38,546 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:47:38,553 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;@7f87baed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:47:38,553 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2025-01-10 01:47:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 72 states have (on average 1.8472222222222223) internal successors, (133), 128 states have internal predecessors, (133), 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 01:47:38,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-10 01:47:38,560 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:38,561 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:38,561 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:38,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:38,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1723874379, now seen corresponding path program 1 times [2025-01-10 01:47:38,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:38,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693203200] [2025-01-10 01:47:38,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:38,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:38,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 01:47:38,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 01:47:38,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:38,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:38,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:47:38,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:38,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693203200] [2025-01-10 01:47:38,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693203200] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:47:38,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927043234] [2025-01-10 01:47:38,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:38,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:38,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:38,675 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 01:47:38,676 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 01:47:38,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 01:47:38,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 01:47:38,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:38,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:38,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 01:47:38,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:47:38,736 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:38,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927043234] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:38,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:47:38,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 01:47:38,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94067596] [2025-01-10 01:47:38,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:38,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 01:47:38,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:38,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 01:47:38,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 01:47:38,756 INFO L87 Difference]: Start difference. First operand has 140 states, 72 states have (on average 1.8472222222222223) internal successors, (133), 128 states have internal predecessors, (133), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:47:38,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:38,780 INFO L93 Difference]: Finished difference Result 276 states and 306 transitions. [2025-01-10 01:47:38,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 01:47:38,781 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-01-10 01:47:38,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:38,785 INFO L225 Difference]: With dead ends: 276 [2025-01-10 01:47:38,786 INFO L226 Difference]: Without dead ends: 133 [2025-01-10 01:47:38,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 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 01:47:38,789 INFO L435 NwaCegarLoop]: 147 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, 147 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 01:47:38,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:47:38,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2025-01-10 01:47:38,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2025-01-10 01:47:38,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 67 states have (on average 1.8507462686567164) internal successors, (124), 122 states have internal predecessors, (124), 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 01:47:38,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 140 transitions. [2025-01-10 01:47:38,818 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 140 transitions. Word has length 14 [2025-01-10 01:47:38,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:38,818 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 140 transitions. [2025-01-10 01:47:38,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:47:38,819 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 140 transitions. [2025-01-10 01:47:38,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-10 01:47:38,819 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:38,819 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:38,825 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 01:47:39,021 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 01:47:39,022 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:39,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:39,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1332694411, now seen corresponding path program 1 times [2025-01-10 01:47:39,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:39,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339049565] [2025-01-10 01:47:39,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:39,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:39,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 01:47:39,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 01:47:39,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:39,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:39,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [623053380] [2025-01-10 01:47:39,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:39,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:39,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:39,048 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 01:47:39,050 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 01:47:39,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 01:47:39,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 01:47:39,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:39,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:39,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:47:39,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:39,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:47:39,116 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:39,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:39,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339049565] [2025-01-10 01:47:39,117 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:39,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623053380] [2025-01-10 01:47:39,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623053380] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:39,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:39,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:47:39,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402580110] [2025-01-10 01:47:39,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:39,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:47:39,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:39,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:47:39,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:47:39,118 INFO L87 Difference]: Start difference. First operand 133 states and 140 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:47:39,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:39,289 INFO L93 Difference]: Finished difference Result 217 states and 263 transitions. [2025-01-10 01:47:39,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:47:39,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2025-01-10 01:47:39,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:39,291 INFO L225 Difference]: With dead ends: 217 [2025-01-10 01:47:39,291 INFO L226 Difference]: Without dead ends: 213 [2025-01-10 01:47:39,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 01:47:39,292 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 73 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:39,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 136 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:47:39,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2025-01-10 01:47:39,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 171. [2025-01-10 01:47:39,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 100 states have (on average 1.86) internal successors, (186), 155 states have internal predecessors, (186), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 01:47:39,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 212 transitions. [2025-01-10 01:47:39,306 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 212 transitions. Word has length 14 [2025-01-10 01:47:39,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:39,306 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 212 transitions. [2025-01-10 01:47:39,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:47:39,307 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 212 transitions. [2025-01-10 01:47:39,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-10 01:47:39,307 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:39,307 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:39,313 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 01:47:39,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:39,511 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:39,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:39,512 INFO L85 PathProgramCache]: Analyzing trace with hash 819076109, now seen corresponding path program 1 times [2025-01-10 01:47:39,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:39,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449976249] [2025-01-10 01:47:39,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:39,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:39,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 01:47:39,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 01:47:39,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:39,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:39,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [895118413] [2025-01-10 01:47:39,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:39,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:39,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:39,538 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 01:47:39,539 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 01:47:39,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 01:47:39,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 01:47:39,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:39,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:39,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:47:39,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:39,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:47:39,595 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:39,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:39,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449976249] [2025-01-10 01:47:39,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:39,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895118413] [2025-01-10 01:47:39,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895118413] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:39,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:39,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:47:39,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450431826] [2025-01-10 01:47:39,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:39,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:47:39,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:39,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:47:39,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:47:39,597 INFO L87 Difference]: Start difference. First operand 171 states and 212 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:47:39,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:39,754 INFO L93 Difference]: Finished difference Result 271 states and 335 transitions. [2025-01-10 01:47:39,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:47:39,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2025-01-10 01:47:39,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:39,756 INFO L225 Difference]: With dead ends: 271 [2025-01-10 01:47:39,756 INFO L226 Difference]: Without dead ends: 263 [2025-01-10 01:47:39,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 01:47:39,757 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 84 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:39,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 196 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:47:39,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2025-01-10 01:47:39,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 223. [2025-01-10 01:47:39,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 146 states have (on average 1.8082191780821917) internal successors, (264), 201 states have internal predecessors, (264), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-01-10 01:47:39,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 302 transitions. [2025-01-10 01:47:39,774 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 302 transitions. Word has length 16 [2025-01-10 01:47:39,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:39,775 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 302 transitions. [2025-01-10 01:47:39,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:47:39,775 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 302 transitions. [2025-01-10 01:47:39,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-01-10 01:47:39,775 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:39,775 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:39,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 01:47:39,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:39,976 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:39,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:39,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1153127055, now seen corresponding path program 1 times [2025-01-10 01:47:39,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:39,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63928244] [2025-01-10 01:47:39,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:39,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:39,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 01:47:39,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 01:47:39,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:39,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:39,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [990205029] [2025-01-10 01:47:39,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:39,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:39,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:39,992 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 01:47:39,994 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 01:47:40,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 01:47:40,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 01:47:40,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:40,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:40,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:47:40,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:40,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:47:40,091 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:40,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:40,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63928244] [2025-01-10 01:47:40,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:40,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990205029] [2025-01-10 01:47:40,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990205029] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:40,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:40,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:47:40,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535102393] [2025-01-10 01:47:40,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:40,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:47:40,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:40,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:47:40,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:47:40,093 INFO L87 Difference]: Start difference. First operand 223 states and 302 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:47:40,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:40,311 INFO L93 Difference]: Finished difference Result 257 states and 321 transitions. [2025-01-10 01:47:40,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:47:40,311 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2025-01-10 01:47:40,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:40,313 INFO L225 Difference]: With dead ends: 257 [2025-01-10 01:47:40,313 INFO L226 Difference]: Without dead ends: 243 [2025-01-10 01:47:40,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 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 01:47:40,313 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 61 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:40,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 122 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:47:40,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2025-01-10 01:47:40,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 189. [2025-01-10 01:47:40,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 117 states have (on average 1.7264957264957266) internal successors, (202), 172 states have internal predecessors, (202), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-10 01:47:40,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 230 transitions. [2025-01-10 01:47:40,323 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 230 transitions. Word has length 18 [2025-01-10 01:47:40,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:40,323 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 230 transitions. [2025-01-10 01:47:40,324 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:47:40,324 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 230 transitions. [2025-01-10 01:47:40,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-10 01:47:40,324 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:40,324 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:40,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 01:47:40,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:40,525 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:40,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:40,526 INFO L85 PathProgramCache]: Analyzing trace with hash -557260191, now seen corresponding path program 1 times [2025-01-10 01:47:40,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:40,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976794593] [2025-01-10 01:47:40,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:40,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:40,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 01:47:40,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 01:47:40,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:40,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:40,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1674643025] [2025-01-10 01:47:40,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:40,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:40,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:40,547 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 01:47:40,549 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 01:47:40,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 01:47:40,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 01:47:40,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:40,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:40,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:47:40,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:47:40,604 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:40,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:40,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976794593] [2025-01-10 01:47:40,604 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:40,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674643025] [2025-01-10 01:47:40,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674643025] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:40,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:40,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:47:40,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902882065] [2025-01-10 01:47:40,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:40,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:47:40,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:40,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:47:40,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:47:40,605 INFO L87 Difference]: Start difference. First operand 189 states and 230 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:47:40,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:40,713 INFO L93 Difference]: Finished difference Result 349 states and 447 transitions. [2025-01-10 01:47:40,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:47:40,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 25 [2025-01-10 01:47:40,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:40,716 INFO L225 Difference]: With dead ends: 349 [2025-01-10 01:47:40,716 INFO L226 Difference]: Without dead ends: 341 [2025-01-10 01:47:40,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 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 01:47:40,716 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 84 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:40,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 190 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:47:40,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2025-01-10 01:47:40,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 266. [2025-01-10 01:47:40,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 185 states have (on average 1.7081081081081082) internal successors, (316), 240 states have internal predecessors, (316), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:40,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 362 transitions. [2025-01-10 01:47:40,733 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 362 transitions. Word has length 25 [2025-01-10 01:47:40,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:40,733 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 362 transitions. [2025-01-10 01:47:40,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:47:40,734 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 362 transitions. [2025-01-10 01:47:40,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 01:47:40,734 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:40,734 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:40,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 01:47:40,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:40,935 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:40,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:40,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1343870211, now seen corresponding path program 1 times [2025-01-10 01:47:40,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:40,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909620708] [2025-01-10 01:47:40,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:40,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:40,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 01:47:40,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 01:47:40,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:40,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:40,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [85071769] [2025-01-10 01:47:40,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:40,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:40,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:40,954 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 01:47:40,954 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 01:47:40,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 01:47:40,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 01:47:40,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:40,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:40,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:47:40,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:47:41,052 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:41,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:41,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909620708] [2025-01-10 01:47:41,052 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:41,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85071769] [2025-01-10 01:47:41,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85071769] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:41,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:41,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:47:41,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93394165] [2025-01-10 01:47:41,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:41,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:47:41,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:41,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:47:41,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:47:41,053 INFO L87 Difference]: Start difference. First operand 266 states and 362 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:47:41,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:41,196 INFO L93 Difference]: Finished difference Result 319 states and 427 transitions. [2025-01-10 01:47:41,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:47:41,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2025-01-10 01:47:41,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:41,198 INFO L225 Difference]: With dead ends: 319 [2025-01-10 01:47:41,198 INFO L226 Difference]: Without dead ends: 317 [2025-01-10 01:47:41,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 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 01:47:41,199 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 230 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:41,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 135 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:47:41,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-01-10 01:47:41,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 266. [2025-01-10 01:47:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 185 states have (on average 1.6864864864864866) internal successors, (312), 240 states have internal predecessors, (312), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:41,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 358 transitions. [2025-01-10 01:47:41,209 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 358 transitions. Word has length 27 [2025-01-10 01:47:41,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:41,209 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 358 transitions. [2025-01-10 01:47:41,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:47:41,210 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 358 transitions. [2025-01-10 01:47:41,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-10 01:47:41,210 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:41,210 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:41,216 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 01:47:41,410 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,SelfDestructingSolverStorable5 [2025-01-10 01:47:41,411 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:41,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:41,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1289696360, now seen corresponding path program 1 times [2025-01-10 01:47:41,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:41,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489282836] [2025-01-10 01:47:41,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:41,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:41,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 01:47:41,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 01:47:41,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:41,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:41,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1578446048] [2025-01-10 01:47:41,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:41,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:41,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:41,438 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 01:47:41,438 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 01:47:41,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 01:47:41,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 01:47:41,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:41,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:41,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:47:41,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:41,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:47:41,519 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:41,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:41,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489282836] [2025-01-10 01:47:41,519 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:41,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578446048] [2025-01-10 01:47:41,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578446048] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:41,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:41,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:47:41,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14249699] [2025-01-10 01:47:41,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:41,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:47:41,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:41,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:47:41,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:47:41,520 INFO L87 Difference]: Start difference. First operand 266 states and 358 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:47:41,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:41,679 INFO L93 Difference]: Finished difference Result 319 states and 423 transitions. [2025-01-10 01:47:41,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:47:41,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2025-01-10 01:47:41,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:41,681 INFO L225 Difference]: With dead ends: 319 [2025-01-10 01:47:41,681 INFO L226 Difference]: Without dead ends: 317 [2025-01-10 01:47:41,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 25 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 01:47:41,682 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 169 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:41,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 150 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:47:41,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-01-10 01:47:41,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 266. [2025-01-10 01:47:41,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 185 states have (on average 1.664864864864865) internal successors, (308), 240 states have internal predecessors, (308), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:41,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 354 transitions. [2025-01-10 01:47:41,696 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 354 transitions. Word has length 28 [2025-01-10 01:47:41,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:41,696 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 354 transitions. [2025-01-10 01:47:41,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:47:41,696 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 354 transitions. [2025-01-10 01:47:41,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 01:47:41,697 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:41,697 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:41,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 01:47:41,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:41,901 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:41,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:41,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1325881435, now seen corresponding path program 1 times [2025-01-10 01:47:41,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:41,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441901677] [2025-01-10 01:47:41,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:41,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:41,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 01:47:41,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 01:47:41,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:41,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:41,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [855043145] [2025-01-10 01:47:41,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:41,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:41,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:41,918 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 01:47:41,919 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 01:47:41,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 01:47:41,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 01:47:41,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:41,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:41,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:47:41,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:41,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:47:41,977 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:41,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:41,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441901677] [2025-01-10 01:47:41,977 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:41,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855043145] [2025-01-10 01:47:41,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855043145] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:41,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:41,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:47:41,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259567594] [2025-01-10 01:47:41,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:41,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:47:41,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:41,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:47:41,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:47:41,978 INFO L87 Difference]: Start difference. First operand 266 states and 354 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:47:42,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:42,169 INFO L93 Difference]: Finished difference Result 339 states and 427 transitions. [2025-01-10 01:47:42,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:47:42,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2025-01-10 01:47:42,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:42,171 INFO L225 Difference]: With dead ends: 339 [2025-01-10 01:47:42,171 INFO L226 Difference]: Without dead ends: 337 [2025-01-10 01:47:42,171 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 01:47:42,172 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 140 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:42,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 159 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:47:42,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-01-10 01:47:42,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 267. [2025-01-10 01:47:42,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 186 states have (on average 1.6451612903225807) internal successors, (306), 241 states have internal predecessors, (306), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 352 transitions. [2025-01-10 01:47:42,189 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 352 transitions. Word has length 29 [2025-01-10 01:47:42,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:42,189 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 352 transitions. [2025-01-10 01:47:42,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:47:42,189 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 352 transitions. [2025-01-10 01:47:42,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 01:47:42,190 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:42,190 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:42,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-10 01:47:42,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:42,390 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:42,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:42,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1847348538, now seen corresponding path program 1 times [2025-01-10 01:47:42,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:42,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992392367] [2025-01-10 01:47:42,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:42,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:42,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 01:47:42,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 01:47:42,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:42,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:42,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [787518311] [2025-01-10 01:47:42,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:42,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:42,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:42,405 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 01:47:42,407 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 01:47:42,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 01:47:42,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 01:47:42,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:42,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:42,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:47:42,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:47:42,479 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:42,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:42,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992392367] [2025-01-10 01:47:42,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:42,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787518311] [2025-01-10 01:47:42,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787518311] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:42,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:42,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:47:42,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202908433] [2025-01-10 01:47:42,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:42,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:47:42,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:42,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:47:42,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:47:42,480 INFO L87 Difference]: Start difference. First operand 267 states and 352 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:47:42,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:42,752 INFO L93 Difference]: Finished difference Result 339 states and 423 transitions. [2025-01-10 01:47:42,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:47:42,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2025-01-10 01:47:42,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:42,754 INFO L225 Difference]: With dead ends: 339 [2025-01-10 01:47:42,754 INFO L226 Difference]: Without dead ends: 337 [2025-01-10 01:47:42,754 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 01:47:42,755 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 139 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:42,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 162 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:47:42,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-01-10 01:47:42,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 268. [2025-01-10 01:47:42,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 187 states have (on average 1.625668449197861) internal successors, (304), 242 states have internal predecessors, (304), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:42,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 350 transitions. [2025-01-10 01:47:42,767 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 350 transitions. Word has length 30 [2025-01-10 01:47:42,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:42,770 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 350 transitions. [2025-01-10 01:47:42,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:47:42,770 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 350 transitions. [2025-01-10 01:47:42,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 01:47:42,771 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:42,772 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:42,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-10 01:47:42,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:42,977 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:42,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:42,978 INFO L85 PathProgramCache]: Analyzing trace with hash 278458531, now seen corresponding path program 1 times [2025-01-10 01:47:42,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:42,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591645773] [2025-01-10 01:47:42,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:42,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:42,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 01:47:42,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 01:47:42,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:42,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:42,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [361038595] [2025-01-10 01:47:42,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:42,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:42,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:42,996 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 01:47:42,998 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 01:47:43,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 01:47:43,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 01:47:43,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:43,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:43,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:47:43,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:43,102 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 01:47:43,102 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:43,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:43,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591645773] [2025-01-10 01:47:43,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:43,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361038595] [2025-01-10 01:47:43,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361038595] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:43,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:43,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:47:43,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790100288] [2025-01-10 01:47:43,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:43,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:47:43,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:43,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:47:43,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:47:43,103 INFO L87 Difference]: Start difference. First operand 268 states and 350 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 01:47:43,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:43,284 INFO L93 Difference]: Finished difference Result 290 states and 369 transitions. [2025-01-10 01:47:43,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:47:43,285 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2025-01-10 01:47:43,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:43,286 INFO L225 Difference]: With dead ends: 290 [2025-01-10 01:47:43,286 INFO L226 Difference]: Without dead ends: 288 [2025-01-10 01:47:43,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 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 01:47:43,287 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 208 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:43,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 145 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:47:43,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-01-10 01:47:43,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 269. [2025-01-10 01:47:43,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 188 states have (on average 1.6117021276595744) internal successors, (303), 243 states have internal predecessors, (303), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 349 transitions. [2025-01-10 01:47:43,301 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 349 transitions. Word has length 38 [2025-01-10 01:47:43,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:43,301 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 349 transitions. [2025-01-10 01:47:43,301 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 01:47:43,301 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 349 transitions. [2025-01-10 01:47:43,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 01:47:43,301 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:43,302 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:43,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-10 01:47:43,503 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,SelfDestructingSolverStorable9 [2025-01-10 01:47:43,503 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:43,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:43,504 INFO L85 PathProgramCache]: Analyzing trace with hash 42279941, now seen corresponding path program 1 times [2025-01-10 01:47:43,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:43,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519784334] [2025-01-10 01:47:43,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:43,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:43,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 01:47:43,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 01:47:43,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:43,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:43,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2015132928] [2025-01-10 01:47:43,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:43,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:43,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:43,530 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 01:47:43,532 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 01:47:43,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 01:47:43,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 01:47:43,563 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:43,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:43,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:47:43,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 01:47:43,632 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:43,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:43,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519784334] [2025-01-10 01:47:43,633 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:43,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015132928] [2025-01-10 01:47:43,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015132928] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:43,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:43,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:47:43,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984839137] [2025-01-10 01:47:43,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:43,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:47:43,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:43,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:47:43,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:47:43,634 INFO L87 Difference]: Start difference. First operand 269 states and 349 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 01:47:43,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:43,792 INFO L93 Difference]: Finished difference Result 290 states and 366 transitions. [2025-01-10 01:47:43,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:47:43,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2025-01-10 01:47:43,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:43,794 INFO L225 Difference]: With dead ends: 290 [2025-01-10 01:47:43,794 INFO L226 Difference]: Without dead ends: 288 [2025-01-10 01:47:43,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 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 01:47:43,795 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 153 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:43,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 160 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:47:43,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-01-10 01:47:43,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 270. [2025-01-10 01:47:43,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 189 states have (on average 1.597883597883598) internal successors, (302), 244 states have internal predecessors, (302), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:43,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 348 transitions. [2025-01-10 01:47:43,803 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 348 transitions. Word has length 39 [2025-01-10 01:47:43,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:43,803 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 348 transitions. [2025-01-10 01:47:43,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 01:47:43,804 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 348 transitions. [2025-01-10 01:47:43,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 01:47:43,804 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:43,804 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:43,810 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 01:47:44,009 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,SelfDestructingSolverStorable10 [2025-01-10 01:47:44,010 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:44,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:44,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1310678245, now seen corresponding path program 1 times [2025-01-10 01:47:44,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:44,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501464672] [2025-01-10 01:47:44,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:44,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:44,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 01:47:44,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 01:47:44,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:44,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:44,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1899620879] [2025-01-10 01:47:44,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:44,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:44,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:44,036 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 01:47:44,037 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 01:47:44,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 01:47:44,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 01:47:44,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:44,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:44,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:47:44,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:44,096 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 01:47:44,096 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:44,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:44,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501464672] [2025-01-10 01:47:44,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:44,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899620879] [2025-01-10 01:47:44,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899620879] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:44,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:44,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:47:44,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037033424] [2025-01-10 01:47:44,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:44,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:47:44,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:44,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:47:44,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:47:44,097 INFO L87 Difference]: Start difference. First operand 270 states and 348 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 01:47:44,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:44,324 INFO L93 Difference]: Finished difference Result 298 states and 355 transitions. [2025-01-10 01:47:44,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:47:44,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-01-10 01:47:44,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:44,326 INFO L225 Difference]: With dead ends: 298 [2025-01-10 01:47:44,326 INFO L226 Difference]: Without dead ends: 296 [2025-01-10 01:47:44,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 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 01:47:44,326 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 76 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:44,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 234 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:47:44,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2025-01-10 01:47:44,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 271. [2025-01-10 01:47:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 190 states have (on average 1.5842105263157895) internal successors, (301), 245 states have internal predecessors, (301), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 347 transitions. [2025-01-10 01:47:44,338 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 347 transitions. Word has length 40 [2025-01-10 01:47:44,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:44,338 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 347 transitions. [2025-01-10 01:47:44,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 01:47:44,338 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 347 transitions. [2025-01-10 01:47:44,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-10 01:47:44,338 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:44,338 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:44,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-10 01:47:44,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:44,539 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:44,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:44,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1976320007, now seen corresponding path program 1 times [2025-01-10 01:47:44,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:44,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289647963] [2025-01-10 01:47:44,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:44,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:44,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 01:47:44,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 01:47:44,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:44,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:44,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1991950987] [2025-01-10 01:47:44,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:44,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:44,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:44,552 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 01:47:44,553 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 01:47:44,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 01:47:44,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 01:47:44,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:44,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:44,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:47:44,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:44,657 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 01:47:44,657 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:44,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:44,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289647963] [2025-01-10 01:47:44,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:44,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991950987] [2025-01-10 01:47:44,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991950987] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:44,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:44,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:47:44,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232700730] [2025-01-10 01:47:44,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:44,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:47:44,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:44,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:47:44,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:47:44,658 INFO L87 Difference]: Start difference. First operand 271 states and 347 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 01:47:44,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:44,982 INFO L93 Difference]: Finished difference Result 298 states and 352 transitions. [2025-01-10 01:47:44,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:47:44,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2025-01-10 01:47:44,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:44,984 INFO L225 Difference]: With dead ends: 298 [2025-01-10 01:47:44,984 INFO L226 Difference]: Without dead ends: 296 [2025-01-10 01:47:44,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 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 01:47:44,984 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 76 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:44,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 237 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:47:44,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2025-01-10 01:47:44,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 272. [2025-01-10 01:47:44,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 191 states have (on average 1.5706806282722514) internal successors, (300), 246 states have internal predecessors, (300), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:44,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 346 transitions. [2025-01-10 01:47:44,994 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 346 transitions. Word has length 41 [2025-01-10 01:47:44,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:44,994 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 346 transitions. [2025-01-10 01:47:44,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 01:47:44,995 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 346 transitions. [2025-01-10 01:47:44,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-01-10 01:47:44,997 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:44,997 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:45,004 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 01:47:45,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:45,198 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:45,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:45,198 INFO L85 PathProgramCache]: Analyzing trace with hash 998395005, now seen corresponding path program 1 times [2025-01-10 01:47:45,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:45,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437120111] [2025-01-10 01:47:45,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:45,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:45,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 01:47:45,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 01:47:45,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:45,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:45,255 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:47:45,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:45,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437120111] [2025-01-10 01:47:45,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437120111] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:45,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:45,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:47:45,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052085284] [2025-01-10 01:47:45,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:45,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:47:45,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:45,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:47:45,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:47:45,256 INFO L87 Difference]: Start difference. First operand 272 states and 346 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:47:45,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:45,287 INFO L93 Difference]: Finished difference Result 272 states and 346 transitions. [2025-01-10 01:47:45,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:47:45,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2025-01-10 01:47:45,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:45,288 INFO L225 Difference]: With dead ends: 272 [2025-01-10 01:47:45,288 INFO L226 Difference]: Without dead ends: 270 [2025-01-10 01:47:45,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:47:45,288 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:45,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 197 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:47:45,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2025-01-10 01:47:45,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2025-01-10 01:47:45,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 191 states have (on average 1.5392670157068062) internal successors, (294), 244 states have internal predecessors, (294), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:45,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 340 transitions. [2025-01-10 01:47:45,296 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 340 transitions. Word has length 48 [2025-01-10 01:47:45,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:45,296 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 340 transitions. [2025-01-10 01:47:45,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:47:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 340 transitions. [2025-01-10 01:47:45,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-01-10 01:47:45,297 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:45,297 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:45,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 01:47:45,297 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:45,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:45,297 INFO L85 PathProgramCache]: Analyzing trace with hash 885474202, now seen corresponding path program 1 times [2025-01-10 01:47:45,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:45,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004786820] [2025-01-10 01:47:45,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:45,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:45,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 01:47:45,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 01:47:45,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:45,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:45,330 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:47:45,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:45,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004786820] [2025-01-10 01:47:45,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004786820] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:45,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:45,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:47:45,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371958274] [2025-01-10 01:47:45,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:45,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:47:45,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:45,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:47:45,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:47:45,331 INFO L87 Difference]: Start difference. First operand 270 states and 340 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:47:45,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:45,368 INFO L93 Difference]: Finished difference Result 270 states and 340 transitions. [2025-01-10 01:47:45,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:47:45,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 49 [2025-01-10 01:47:45,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:45,370 INFO L225 Difference]: With dead ends: 270 [2025-01-10 01:47:45,370 INFO L226 Difference]: Without dead ends: 268 [2025-01-10 01:47:45,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:47:45,370 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 45 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:45,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 196 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:47:45,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2025-01-10 01:47:45,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2025-01-10 01:47:45,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 191 states have (on average 1.4973821989528795) internal successors, (286), 242 states have internal predecessors, (286), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:45,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 332 transitions. [2025-01-10 01:47:45,378 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 332 transitions. Word has length 49 [2025-01-10 01:47:45,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:45,378 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 332 transitions. [2025-01-10 01:47:45,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:47:45,378 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 332 transitions. [2025-01-10 01:47:45,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-10 01:47:45,379 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:45,379 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:45,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-10 01:47:45,379 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:45,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:45,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1679938315, now seen corresponding path program 1 times [2025-01-10 01:47:45,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:45,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852809390] [2025-01-10 01:47:45,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:45,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:45,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 01:47:45,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 01:47:45,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:45,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:45,502 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-01-10 01:47:45,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:45,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852809390] [2025-01-10 01:47:45,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852809390] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:47:45,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478565453] [2025-01-10 01:47:45,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:45,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:45,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:45,505 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 01:47:45,507 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 01:47:45,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 01:47:45,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 01:47:45,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:45,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:45,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 01:47:45,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-01-10 01:47:45,659 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:47:45,771 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-01-10 01:47:45,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478565453] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:47:45,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:47:45,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-01-10 01:47:45,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947617121] [2025-01-10 01:47:45,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:47:45,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:47:45,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:45,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:47:45,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:47:45,773 INFO L87 Difference]: Start difference. First operand 268 states and 332 transitions. Second operand has 13 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 8 states have call successors, (15) [2025-01-10 01:47:46,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:46,104 INFO L93 Difference]: Finished difference Result 332 states and 389 transitions. [2025-01-10 01:47:46,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:47:46,105 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 8 states have call successors, (15) Word has length 50 [2025-01-10 01:47:46,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:46,106 INFO L225 Difference]: With dead ends: 332 [2025-01-10 01:47:46,106 INFO L226 Difference]: Without dead ends: 331 [2025-01-10 01:47:46,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:47:46,107 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 648 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:46,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 387 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:47:46,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2025-01-10 01:47:46,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 268. [2025-01-10 01:47:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 191 states have (on average 1.486910994764398) internal successors, (284), 242 states have internal predecessors, (284), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:46,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 330 transitions. [2025-01-10 01:47:46,117 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 330 transitions. Word has length 50 [2025-01-10 01:47:46,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:46,118 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 330 transitions. [2025-01-10 01:47:46,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 8 states have call successors, (15) [2025-01-10 01:47:46,118 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 330 transitions. [2025-01-10 01:47:46,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-10 01:47:46,118 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:46,118 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:46,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-01-10 01:47:46,318 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,SelfDestructingSolverStorable15 [2025-01-10 01:47:46,319 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:46,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:46,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1679924413, now seen corresponding path program 1 times [2025-01-10 01:47:46,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:46,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221747922] [2025-01-10 01:47:46,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:46,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:46,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 01:47:46,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 01:47:46,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:46,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-01-10 01:47:46,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:46,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221747922] [2025-01-10 01:47:46,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221747922] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:46,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:46,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 01:47:46,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443654611] [2025-01-10 01:47:46,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:46,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:47:46,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:46,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:47:46,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:47:46,404 INFO L87 Difference]: Start difference. First operand 268 states and 330 transitions. Second operand has 7 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:47:46,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:46,663 INFO L93 Difference]: Finished difference Result 271 states and 333 transitions. [2025-01-10 01:47:46,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:47:46,664 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 50 [2025-01-10 01:47:46,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:46,665 INFO L225 Difference]: With dead ends: 271 [2025-01-10 01:47:46,665 INFO L226 Difference]: Without dead ends: 270 [2025-01-10 01:47:46,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:47:46,666 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 272 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:46,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 264 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:47:46,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2025-01-10 01:47:46,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2025-01-10 01:47:46,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 193 states have (on average 1.4818652849740932) internal successors, (286), 244 states have internal predecessors, (286), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:46,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 332 transitions. [2025-01-10 01:47:46,677 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 332 transitions. Word has length 50 [2025-01-10 01:47:46,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:46,677 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 332 transitions. [2025-01-10 01:47:46,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:47:46,677 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 332 transitions. [2025-01-10 01:47:46,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-10 01:47:46,678 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:46,678 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:46,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-10 01:47:46,679 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:46,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:46,679 INFO L85 PathProgramCache]: Analyzing trace with hash 2083513504, now seen corresponding path program 1 times [2025-01-10 01:47:46,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:46,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801233346] [2025-01-10 01:47:46,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:46,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:46,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 01:47:46,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 01:47:46,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:46,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:46,730 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:47:46,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:46,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801233346] [2025-01-10 01:47:46,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801233346] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:46,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:46,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:47:46,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136207422] [2025-01-10 01:47:46,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:46,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:47:46,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:46,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:47:46,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:47:46,731 INFO L87 Difference]: Start difference. First operand 270 states and 332 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 01:47:46,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:46,851 INFO L93 Difference]: Finished difference Result 326 states and 400 transitions. [2025-01-10 01:47:46,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:47:46,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 53 [2025-01-10 01:47:46,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:46,852 INFO L225 Difference]: With dead ends: 326 [2025-01-10 01:47:46,852 INFO L226 Difference]: Without dead ends: 322 [2025-01-10 01:47:46,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:47:46,853 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 42 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:46,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 136 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:47:46,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2025-01-10 01:47:46,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 280. [2025-01-10 01:47:46,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 203 states have (on average 1.4630541871921183) internal successors, (297), 254 states have internal predecessors, (297), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:46,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 343 transitions. [2025-01-10 01:47:46,863 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 343 transitions. Word has length 53 [2025-01-10 01:47:46,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:46,863 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 343 transitions. [2025-01-10 01:47:46,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 01:47:46,863 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 343 transitions. [2025-01-10 01:47:46,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-10 01:47:46,864 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:46,864 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:46,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-10 01:47:46,864 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:46,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:46,864 INFO L85 PathProgramCache]: Analyzing trace with hash 801720889, now seen corresponding path program 1 times [2025-01-10 01:47:46,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:46,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290970529] [2025-01-10 01:47:46,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:46,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:46,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 01:47:46,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 01:47:46,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:46,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:46,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54937522] [2025-01-10 01:47:46,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:46,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:46,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:46,875 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 01:47:46,876 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 01:47:46,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 01:47:46,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 01:47:46,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:46,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:46,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:47:46,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:47:47,019 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:47:47,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:47,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290970529] [2025-01-10 01:47:47,111 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:47,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54937522] [2025-01-10 01:47:47,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54937522] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:47:47,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:47:47,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-01-10 01:47:47,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640645448] [2025-01-10 01:47:47,111 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:47:47,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:47:47,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:47,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:47:47,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:47:47,112 INFO L87 Difference]: Start difference. First operand 280 states and 343 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 01:47:47,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:47,246 INFO L93 Difference]: Finished difference Result 320 states and 394 transitions. [2025-01-10 01:47:47,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:47:47,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 55 [2025-01-10 01:47:47,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:47,247 INFO L225 Difference]: With dead ends: 320 [2025-01-10 01:47:47,247 INFO L226 Difference]: Without dead ends: 318 [2025-01-10 01:47:47,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:47:47,248 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 70 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:47,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 129 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:47:47,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2025-01-10 01:47:47,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 281. [2025-01-10 01:47:47,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 204 states have (on average 1.4558823529411764) internal successors, (297), 255 states have internal predecessors, (297), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:47,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 343 transitions. [2025-01-10 01:47:47,258 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 343 transitions. Word has length 55 [2025-01-10 01:47:47,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:47,258 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 343 transitions. [2025-01-10 01:47:47,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 01:47:47,259 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 343 transitions. [2025-01-10 01:47:47,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-01-10 01:47:47,259 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:47,259 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:47,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-01-10 01:47:47,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:47,460 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:47,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:47,460 INFO L85 PathProgramCache]: Analyzing trace with hash -916456175, now seen corresponding path program 1 times [2025-01-10 01:47:47,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:47,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734258966] [2025-01-10 01:47:47,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:47,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:47,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-10 01:47:47,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-10 01:47:47,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:47,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:47,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [975405821] [2025-01-10 01:47:47,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:47,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:47,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:47,474 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 01:47:47,475 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 01:47:47,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-10 01:47:47,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-10 01:47:47,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:47,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:47,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:47:47,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:47,629 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:47:47,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:47:47,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:47,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734258966] [2025-01-10 01:47:47,762 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:47,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975405821] [2025-01-10 01:47:47,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975405821] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:47:47,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:47:47,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-01-10 01:47:47,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608658061] [2025-01-10 01:47:47,762 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:47:47,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:47:47,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:47,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:47:47,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:47:47,763 INFO L87 Difference]: Start difference. First operand 281 states and 343 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 01:47:47,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:47,919 INFO L93 Difference]: Finished difference Result 320 states and 392 transitions. [2025-01-10 01:47:47,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:47:47,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 56 [2025-01-10 01:47:47,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:47,921 INFO L225 Difference]: With dead ends: 320 [2025-01-10 01:47:47,921 INFO L226 Difference]: Without dead ends: 318 [2025-01-10 01:47:47,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:47:47,921 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 70 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:47,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 130 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:47:47,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2025-01-10 01:47:47,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 282. [2025-01-10 01:47:47,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 205 states have (on average 1.448780487804878) internal successors, (297), 256 states have internal predecessors, (297), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:47,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 343 transitions. [2025-01-10 01:47:47,930 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 343 transitions. Word has length 56 [2025-01-10 01:47:47,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:47,931 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 343 transitions. [2025-01-10 01:47:47,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 01:47:47,931 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 343 transitions. [2025-01-10 01:47:47,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-01-10 01:47:47,931 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:47,931 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:47,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-01-10 01:47:48,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:48,132 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:48,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:48,132 INFO L85 PathProgramCache]: Analyzing trace with hash 961235005, now seen corresponding path program 1 times [2025-01-10 01:47:48,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:48,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783294581] [2025-01-10 01:47:48,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:48,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:48,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-10 01:47:48,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-10 01:47:48,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:48,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:48,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [418181529] [2025-01-10 01:47:48,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:48,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:48,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:48,143 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 01:47:48,144 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 01:47:48,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-10 01:47:48,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-10 01:47:48,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:48,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:48,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:47:48,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:48,217 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-01-10 01:47:48,217 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:48,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:48,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783294581] [2025-01-10 01:47:48,217 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:48,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418181529] [2025-01-10 01:47:48,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418181529] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:48,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:48,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:47:48,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263907955] [2025-01-10 01:47:48,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:48,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:47:48,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:48,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:47:48,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:47:48,218 INFO L87 Difference]: Start difference. First operand 282 states and 343 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 01:47:48,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:48,368 INFO L93 Difference]: Finished difference Result 333 states and 390 transitions. [2025-01-10 01:47:48,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:47:48,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 59 [2025-01-10 01:47:48,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:48,369 INFO L225 Difference]: With dead ends: 333 [2025-01-10 01:47:48,369 INFO L226 Difference]: Without dead ends: 332 [2025-01-10 01:47:48,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 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 01:47:48,370 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 107 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:48,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 157 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:47:48,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-01-10 01:47:48,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 282. [2025-01-10 01:47:48,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 205 states have (on average 1.4439024390243902) internal successors, (296), 256 states have internal predecessors, (296), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:48,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 342 transitions. [2025-01-10 01:47:48,380 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 342 transitions. Word has length 59 [2025-01-10 01:47:48,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:48,380 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 342 transitions. [2025-01-10 01:47:48,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 01:47:48,380 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 342 transitions. [2025-01-10 01:47:48,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-01-10 01:47:48,381 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:48,381 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:48,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-01-10 01:47:48,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:48,582 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:48,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:48,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1747925943, now seen corresponding path program 1 times [2025-01-10 01:47:48,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:48,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222127950] [2025-01-10 01:47:48,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:48,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:48,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 01:47:48,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 01:47:48,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:48,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:48,675 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-10 01:47:48,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:48,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222127950] [2025-01-10 01:47:48,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222127950] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:47:48,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144337464] [2025-01-10 01:47:48,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:48,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:48,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:48,677 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 01:47:48,678 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 01:47:48,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 01:47:48,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 01:47:48,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:48,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:48,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:47:48,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:48,862 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 01:47:48,863 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:48,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144337464] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:48,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:47:48,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 01:47:48,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387000085] [2025-01-10 01:47:48,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:48,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:47:48,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:48,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:47:48,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:47:48,864 INFO L87 Difference]: Start difference. First operand 282 states and 342 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:49,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:49,154 INFO L93 Difference]: Finished difference Result 318 states and 389 transitions. [2025-01-10 01:47:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:47:49,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 61 [2025-01-10 01:47:49,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:49,156 INFO L225 Difference]: With dead ends: 318 [2025-01-10 01:47:49,156 INFO L226 Difference]: Without dead ends: 317 [2025-01-10 01:47:49,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:47:49,157 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 62 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:49,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 121 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:47:49,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-01-10 01:47:49,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 283. [2025-01-10 01:47:49,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 206 states have (on average 1.4368932038834952) internal successors, (296), 257 states have internal predecessors, (296), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:49,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 342 transitions. [2025-01-10 01:47:49,167 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 342 transitions. Word has length 61 [2025-01-10 01:47:49,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:49,167 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 342 transitions. [2025-01-10 01:47:49,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:49,167 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 342 transitions. [2025-01-10 01:47:49,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-01-10 01:47:49,168 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:49,168 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:49,174 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 01:47:49,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:49,369 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:49,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:49,369 INFO L85 PathProgramCache]: Analyzing trace with hash -266485867, now seen corresponding path program 1 times [2025-01-10 01:47:49,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:49,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464228506] [2025-01-10 01:47:49,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:49,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:49,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-10 01:47:49,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-10 01:47:49,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:49,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:49,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2132051464] [2025-01-10 01:47:49,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:49,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:49,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:49,379 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 01:47:49,381 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 01:47:49,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-10 01:47:49,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-10 01:47:49,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:49,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:49,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:47:49,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:49,479 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-10 01:47:49,479 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:49,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:49,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464228506] [2025-01-10 01:47:49,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:49,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132051464] [2025-01-10 01:47:49,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132051464] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:49,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:47:49,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:47:49,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612666947] [2025-01-10 01:47:49,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:49,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:47:49,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:49,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:47:49,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:47:49,480 INFO L87 Difference]: Start difference. First operand 283 states and 342 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 01:47:49,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:49,649 INFO L93 Difference]: Finished difference Result 335 states and 387 transitions. [2025-01-10 01:47:49,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:47:49,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 60 [2025-01-10 01:47:49,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:49,650 INFO L225 Difference]: With dead ends: 335 [2025-01-10 01:47:49,650 INFO L226 Difference]: Without dead ends: 332 [2025-01-10 01:47:49,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 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 01:47:49,651 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 107 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:49,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 161 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:47:49,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-01-10 01:47:49,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 286. [2025-01-10 01:47:49,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 209 states have (on average 1.430622009569378) internal successors, (299), 260 states have internal predecessors, (299), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:49,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 345 transitions. [2025-01-10 01:47:49,669 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 345 transitions. Word has length 60 [2025-01-10 01:47:49,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:49,669 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 345 transitions. [2025-01-10 01:47:49,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 01:47:49,669 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 345 transitions. [2025-01-10 01:47:49,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-01-10 01:47:49,669 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:49,669 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:49,675 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 01:47:49,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:49,874 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:49,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:49,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1648870479, now seen corresponding path program 1 times [2025-01-10 01:47:49,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:49,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548801670] [2025-01-10 01:47:49,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:49,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:49,877 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-10 01:47:49,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-10 01:47:49,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:49,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-10 01:47:49,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:49,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548801670] [2025-01-10 01:47:49,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548801670] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:47:49,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051676496] [2025-01-10 01:47:49,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:49,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:49,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:49,974 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 01:47:49,975 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 01:47:49,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-10 01:47:50,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-10 01:47:50,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:50,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:50,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:47:50,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:50,136 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 01:47:50,136 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:47:50,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051676496] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:47:50,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:47:50,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2025-01-10 01:47:50,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920935220] [2025-01-10 01:47:50,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:47:50,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:47:50,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:50,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:47:50,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:47:50,137 INFO L87 Difference]: Start difference. First operand 286 states and 345 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:50,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:50,393 INFO L93 Difference]: Finished difference Result 318 states and 384 transitions. [2025-01-10 01:47:50,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:47:50,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2025-01-10 01:47:50,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:50,394 INFO L225 Difference]: With dead ends: 318 [2025-01-10 01:47:50,395 INFO L226 Difference]: Without dead ends: 317 [2025-01-10 01:47:50,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:47:50,395 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 59 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:50,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 130 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:47:50,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-01-10 01:47:50,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 287. [2025-01-10 01:47:50,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 210 states have (on average 1.4238095238095239) internal successors, (299), 261 states have internal predecessors, (299), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:47:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 345 transitions. [2025-01-10 01:47:50,405 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 345 transitions. Word has length 62 [2025-01-10 01:47:50,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:50,405 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 345 transitions. [2025-01-10 01:47:50,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:50,405 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 345 transitions. [2025-01-10 01:47:50,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-01-10 01:47:50,405 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:50,405 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:50,412 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 01:47:50,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:50,606 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:50,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:50,606 INFO L85 PathProgramCache]: Analyzing trace with hash -2005098715, now seen corresponding path program 1 times [2025-01-10 01:47:50,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:50,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687344116] [2025-01-10 01:47:50,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:50,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:50,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-10 01:47:50,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-10 01:47:50,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:50,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:50,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [544381180] [2025-01-10 01:47:50,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:50,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:50,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:50,617 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 01:47:50,619 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 01:47:50,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-10 01:47:50,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-10 01:47:50,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:50,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:50,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:47:50,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-10 01:47:50,867 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:47:50,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:50,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687344116] [2025-01-10 01:47:50,942 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:50,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544381180] [2025-01-10 01:47:50,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544381180] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:47:50,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:47:50,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:47:50,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126126443] [2025-01-10 01:47:50,942 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:47:50,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:47:50,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:50,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:47:50,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:47:50,943 INFO L87 Difference]: Start difference. First operand 287 states and 345 transitions. Second operand has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:51,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:51,244 INFO L93 Difference]: Finished difference Result 468 states and 591 transitions. [2025-01-10 01:47:51,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:47:51,244 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 66 [2025-01-10 01:47:51,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:51,246 INFO L225 Difference]: With dead ends: 468 [2025-01-10 01:47:51,246 INFO L226 Difference]: Without dead ends: 464 [2025-01-10 01:47:51,246 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:47:51,246 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 327 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:51,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 301 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:47:51,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2025-01-10 01:47:51,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 361. [2025-01-10 01:47:51,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 275 states have (on average 1.4654545454545456) internal successors, (403), 326 states have internal predecessors, (403), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-01-10 01:47:51,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 467 transitions. [2025-01-10 01:47:51,260 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 467 transitions. Word has length 66 [2025-01-10 01:47:51,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:51,260 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 467 transitions. [2025-01-10 01:47:51,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:51,264 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 467 transitions. [2025-01-10 01:47:51,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-01-10 01:47:51,264 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:51,264 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:51,271 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 01:47:51,464 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,SelfDestructingSolverStorable24 [2025-01-10 01:47:51,465 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:51,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:51,465 INFO L85 PathProgramCache]: Analyzing trace with hash -2028517966, now seen corresponding path program 1 times [2025-01-10 01:47:51,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:51,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379103499] [2025-01-10 01:47:51,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:51,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:51,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-01-10 01:47:51,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-01-10 01:47:51,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:51,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:51,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1212484411] [2025-01-10 01:47:51,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:51,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:51,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:51,475 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 01:47:51,477 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 01:47:51,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-01-10 01:47:51,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-01-10 01:47:51,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:51,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:51,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:47:51,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:51,696 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-10 01:47:51,696 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:47:52,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:52,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379103499] [2025-01-10 01:47:52,155 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:52,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212484411] [2025-01-10 01:47:52,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212484411] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:47:52,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:47:52,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:47:52,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911829004] [2025-01-10 01:47:52,155 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:47:52,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:47:52,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:52,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:47:52,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:47:52,157 INFO L87 Difference]: Start difference. First operand 361 states and 467 transitions. Second operand has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:52,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:52,494 INFO L93 Difference]: Finished difference Result 390 states and 492 transitions. [2025-01-10 01:47:52,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:47:52,495 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 67 [2025-01-10 01:47:52,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:52,496 INFO L225 Difference]: With dead ends: 390 [2025-01-10 01:47:52,496 INFO L226 Difference]: Without dead ends: 384 [2025-01-10 01:47:52,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:47:52,496 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 140 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:52,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 381 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:47:52,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2025-01-10 01:47:52,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 355. [2025-01-10 01:47:52,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 275 states have (on average 1.410909090909091) internal successors, (388), 320 states have internal predecessors, (388), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-01-10 01:47:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 452 transitions. [2025-01-10 01:47:52,519 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 452 transitions. Word has length 67 [2025-01-10 01:47:52,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:52,520 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 452 transitions. [2025-01-10 01:47:52,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:52,520 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 452 transitions. [2025-01-10 01:47:52,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-01-10 01:47:52,520 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:52,520 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:52,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-01-10 01:47:52,720 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,SelfDestructingSolverStorable25 [2025-01-10 01:47:52,721 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:52,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:52,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1540452551, now seen corresponding path program 1 times [2025-01-10 01:47:52,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:52,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643418815] [2025-01-10 01:47:52,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:52,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:52,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-10 01:47:52,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-10 01:47:52,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:52,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:52,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1148164261] [2025-01-10 01:47:52,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:52,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:52,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:52,735 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 01:47:52,737 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 01:47:52,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-10 01:47:52,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-10 01:47:52,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:52,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:52,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:47:52,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-10 01:47:53,023 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:47:53,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:53,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643418815] [2025-01-10 01:47:53,137 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:53,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148164261] [2025-01-10 01:47:53,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148164261] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:47:53,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:47:53,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:47:53,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138310101] [2025-01-10 01:47:53,138 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:47:53,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:47:53,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:53,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:47:53,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:47:53,139 INFO L87 Difference]: Start difference. First operand 355 states and 452 transitions. Second operand has 9 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:53,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:53,742 INFO L93 Difference]: Finished difference Result 496 states and 655 transitions. [2025-01-10 01:47:53,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:47:53,743 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2025-01-10 01:47:53,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:53,744 INFO L225 Difference]: With dead ends: 496 [2025-01-10 01:47:53,744 INFO L226 Difference]: Without dead ends: 489 [2025-01-10 01:47:53,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:47:53,745 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 394 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:53,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 280 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:47:53,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2025-01-10 01:47:53,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 446. [2025-01-10 01:47:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 356 states have (on average 1.4606741573033708) internal successors, (520), 401 states have internal predecessors, (520), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-01-10 01:47:53,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 604 transitions. [2025-01-10 01:47:53,771 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 604 transitions. Word has length 68 [2025-01-10 01:47:53,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:53,771 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 604 transitions. [2025-01-10 01:47:53,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:53,771 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 604 transitions. [2025-01-10 01:47:53,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-01-10 01:47:53,771 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:53,771 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:53,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-01-10 01:47:53,972 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,SelfDestructingSolverStorable26 [2025-01-10 01:47:53,973 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:53,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:53,974 INFO L85 PathProgramCache]: Analyzing trace with hash 509388884, now seen corresponding path program 1 times [2025-01-10 01:47:53,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:53,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788741222] [2025-01-10 01:47:53,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:53,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:53,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-10 01:47:53,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-10 01:47:53,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:53,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:53,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [744489011] [2025-01-10 01:47:53,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:53,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:53,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:53,986 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 01:47:53,988 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 01:47:54,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-10 01:47:54,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-10 01:47:54,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:54,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:54,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:47:54,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:54,261 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-10 01:47:54,261 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:47:54,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:54,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788741222] [2025-01-10 01:47:54,481 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:54,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744489011] [2025-01-10 01:47:54,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744489011] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:47:54,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:47:54,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:47:54,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883249037] [2025-01-10 01:47:54,481 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:47:54,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:47:54,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:54,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:47:54,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:47:54,483 INFO L87 Difference]: Start difference. First operand 446 states and 604 transitions. Second operand has 9 states, 7 states have (on average 6.857142857142857) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:55,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:55,008 INFO L93 Difference]: Finished difference Result 547 states and 738 transitions. [2025-01-10 01:47:55,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:47:55,009 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.857142857142857) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2025-01-10 01:47:55,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:55,010 INFO L225 Difference]: With dead ends: 547 [2025-01-10 01:47:55,010 INFO L226 Difference]: Without dead ends: 545 [2025-01-10 01:47:55,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:47:55,011 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 345 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:55,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 294 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:47:55,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2025-01-10 01:47:55,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 480. [2025-01-10 01:47:55,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 386 states have (on average 1.455958549222798) internal successors, (562), 431 states have internal predecessors, (562), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-10 01:47:55,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 654 transitions. [2025-01-10 01:47:55,027 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 654 transitions. Word has length 69 [2025-01-10 01:47:55,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:55,027 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 654 transitions. [2025-01-10 01:47:55,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.857142857142857) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 654 transitions. [2025-01-10 01:47:55,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-01-10 01:47:55,028 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:55,028 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:55,034 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 01:47:55,230 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,SelfDestructingSolverStorable27 [2025-01-10 01:47:55,230 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:55,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:55,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1388813719, now seen corresponding path program 1 times [2025-01-10 01:47:55,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:55,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865110150] [2025-01-10 01:47:55,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:55,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:55,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-01-10 01:47:55,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-01-10 01:47:55,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:55,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:55,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [259540086] [2025-01-10 01:47:55,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:55,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:55,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:55,245 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 01:47:55,247 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 01:47:55,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-01-10 01:47:55,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-01-10 01:47:55,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:55,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:55,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 01:47:55,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:47:55,614 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:47:55,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:55,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865110150] [2025-01-10 01:47:55,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:55,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259540086] [2025-01-10 01:47:55,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259540086] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:47:55,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:47:55,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 01:47:55,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577337953] [2025-01-10 01:47:55,666 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:47:55,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:47:55,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:55,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:47:55,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:47:55,667 INFO L87 Difference]: Start difference. First operand 480 states and 654 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:56,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:56,707 INFO L93 Difference]: Finished difference Result 548 states and 732 transitions. [2025-01-10 01:47:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:47:56,707 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2025-01-10 01:47:56,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:56,709 INFO L225 Difference]: With dead ends: 548 [2025-01-10 01:47:56,709 INFO L226 Difference]: Without dead ends: 494 [2025-01-10 01:47:56,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2025-01-10 01:47:56,710 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 403 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:56,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 257 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1403 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 01:47:56,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2025-01-10 01:47:56,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 397. [2025-01-10 01:47:56,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 313 states have (on average 1.4664536741214058) internal successors, (459), 358 states have internal predecessors, (459), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-01-10 01:47:56,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 531 transitions. [2025-01-10 01:47:56,731 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 531 transitions. Word has length 70 [2025-01-10 01:47:56,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:56,731 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 531 transitions. [2025-01-10 01:47:56,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:56,731 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 531 transitions. [2025-01-10 01:47:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-10 01:47:56,732 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:56,732 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:56,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-01-10 01:47:56,932 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,SelfDestructingSolverStorable28 [2025-01-10 01:47:56,932 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:56,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:56,932 INFO L85 PathProgramCache]: Analyzing trace with hash -103552266, now seen corresponding path program 1 times [2025-01-10 01:47:56,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:56,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043231523] [2025-01-10 01:47:56,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:56,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:56,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-10 01:47:56,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-10 01:47:56,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:56,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:56,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2028180977] [2025-01-10 01:47:56,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:56,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:56,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:56,945 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 01:47:56,947 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 01:47:56,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-10 01:47:56,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-10 01:47:56,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:56,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:56,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:47:56,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:57,175 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-10 01:47:57,175 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:47:57,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:57,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043231523] [2025-01-10 01:47:57,272 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:57,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028180977] [2025-01-10 01:47:57,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028180977] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:47:57,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:47:57,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:47:57,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44220797] [2025-01-10 01:47:57,272 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:47:57,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:47:57,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:57,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:47:57,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:47:57,272 INFO L87 Difference]: Start difference. First operand 397 states and 531 transitions. Second operand has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:57,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:57,858 INFO L93 Difference]: Finished difference Result 444 states and 599 transitions. [2025-01-10 01:47:57,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:47:57,858 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2025-01-10 01:47:57,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:57,860 INFO L225 Difference]: With dead ends: 444 [2025-01-10 01:47:57,860 INFO L226 Difference]: Without dead ends: 440 [2025-01-10 01:47:57,860 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:47:57,860 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 188 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:57,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 320 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:47:57,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-01-10 01:47:57,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 427. [2025-01-10 01:47:57,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 343 states have (on average 1.4577259475218658) internal successors, (500), 385 states have internal predecessors, (500), 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 01:47:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 578 transitions. [2025-01-10 01:47:57,878 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 578 transitions. Word has length 71 [2025-01-10 01:47:57,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:57,879 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 578 transitions. [2025-01-10 01:47:57,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:47:57,879 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 578 transitions. [2025-01-10 01:47:57,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-01-10 01:47:57,881 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:57,881 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:57,889 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 01:47:58,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:58,082 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:58,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:58,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1886495375, now seen corresponding path program 1 times [2025-01-10 01:47:58,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:58,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704609679] [2025-01-10 01:47:58,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:58,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:58,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-10 01:47:58,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-10 01:47:58,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:58,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:58,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2127522757] [2025-01-10 01:47:58,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:58,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:58,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:58,103 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 01:47:58,105 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 01:47:58,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-10 01:47:58,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-10 01:47:58,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:58,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:58,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:47:58,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:58,309 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-01-10 01:47:58,309 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:47:58,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:47:58,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704609679] [2025-01-10 01:47:58,376 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:47:58,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127522757] [2025-01-10 01:47:58,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127522757] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:47:58,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:47:58,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:47:58,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761108689] [2025-01-10 01:47:58,376 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:47:58,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:47:58,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:47:58,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:47:58,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:47:58,377 INFO L87 Difference]: Start difference. First operand 427 states and 578 transitions. Second operand has 8 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-01-10 01:47:58,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:47:58,662 INFO L93 Difference]: Finished difference Result 693 states and 979 transitions. [2025-01-10 01:47:58,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:47:58,662 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 77 [2025-01-10 01:47:58,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:47:58,664 INFO L225 Difference]: With dead ends: 693 [2025-01-10 01:47:58,664 INFO L226 Difference]: Without dead ends: 691 [2025-01-10 01:47:58,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:47:58,665 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 407 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:47:58,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 246 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:47:58,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2025-01-10 01:47:58,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 645. [2025-01-10 01:47:58,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 535 states have (on average 1.480373831775701) internal successors, (792), 577 states have internal predecessors, (792), 65 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-01-10 01:47:58,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 922 transitions. [2025-01-10 01:47:58,687 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 922 transitions. Word has length 77 [2025-01-10 01:47:58,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:47:58,687 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 922 transitions. [2025-01-10 01:47:58,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-01-10 01:47:58,687 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 922 transitions. [2025-01-10 01:47:58,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-01-10 01:47:58,687 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:47:58,688 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:47:58,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-01-10 01:47:58,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2025-01-10 01:47:58,888 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:47:58,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:47:58,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1648185451, now seen corresponding path program 1 times [2025-01-10 01:47:58,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:47:58,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536555475] [2025-01-10 01:47:58,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:58,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:47:58,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-10 01:47:58,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-10 01:47:58,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:58,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:47:58,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2052033900] [2025-01-10 01:47:58,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:47:58,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:47:58,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:47:58,899 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 01:47:58,901 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 01:47:58,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-10 01:47:58,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-10 01:47:58,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:47:58,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:47:58,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:47:58,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:47:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-01-10 01:47:59,147 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:00,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:00,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536555475] [2025-01-10 01:48:00,613 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:48:00,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052033900] [2025-01-10 01:48:00,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052033900] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:48:00,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:48:00,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:48:00,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9343252] [2025-01-10 01:48:00,613 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:48:00,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:48:00,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:00,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:48:00,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2025-01-10 01:48:00,613 INFO L87 Difference]: Start difference. First operand 645 states and 922 transitions. Second operand has 8 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-01-10 01:48:00,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:00,838 INFO L93 Difference]: Finished difference Result 648 states and 922 transitions. [2025-01-10 01:48:00,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:48:00,839 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 78 [2025-01-10 01:48:00,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:00,841 INFO L225 Difference]: With dead ends: 648 [2025-01-10 01:48:00,841 INFO L226 Difference]: Without dead ends: 642 [2025-01-10 01:48:00,843 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2025-01-10 01:48:00,843 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 160 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:00,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 276 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:48:00,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2025-01-10 01:48:00,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 519. [2025-01-10 01:48:00,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 428 states have (on average 1.3785046728971964) internal successors, (590), 464 states have internal predecessors, (590), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-01-10 01:48:00,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 694 transitions. [2025-01-10 01:48:00,864 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 694 transitions. Word has length 78 [2025-01-10 01:48:00,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:00,864 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 694 transitions. [2025-01-10 01:48:00,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-01-10 01:48:00,864 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 694 transitions. [2025-01-10 01:48:00,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-01-10 01:48:00,864 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:00,865 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:00,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-01-10 01:48:01,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:01,065 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:01,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:01,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1026573293, now seen corresponding path program 1 times [2025-01-10 01:48:01,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:01,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009903337] [2025-01-10 01:48:01,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:01,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:01,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-10 01:48:01,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-10 01:48:01,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:01,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:48:01,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [889954133] [2025-01-10 01:48:01,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:01,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:01,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:01,075 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:48:01,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-01-10 01:48:01,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-10 01:48:01,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-10 01:48:01,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:01,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:01,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 01:48:01,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:01,349 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-01-10 01:48:01,349 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:01,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:01,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009903337] [2025-01-10 01:48:01,381 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:48:01,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889954133] [2025-01-10 01:48:01,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889954133] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:48:01,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:48:01,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 01:48:01,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824702188] [2025-01-10 01:48:01,381 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:48:01,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:48:01,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:01,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:48:01,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:48:01,382 INFO L87 Difference]: Start difference. First operand 519 states and 694 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-10 01:48:01,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:01,816 INFO L93 Difference]: Finished difference Result 567 states and 744 transitions. [2025-01-10 01:48:01,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:48:01,816 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 81 [2025-01-10 01:48:01,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:01,818 INFO L225 Difference]: With dead ends: 567 [2025-01-10 01:48:01,818 INFO L226 Difference]: Without dead ends: 565 [2025-01-10 01:48:01,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:48:01,818 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 293 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:01,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 173 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:48:01,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2025-01-10 01:48:01,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 526. [2025-01-10 01:48:01,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 435 states have (on average 1.3655172413793104) internal successors, (594), 471 states have internal predecessors, (594), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-01-10 01:48:01,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 698 transitions. [2025-01-10 01:48:01,837 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 698 transitions. Word has length 81 [2025-01-10 01:48:01,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:01,839 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 698 transitions. [2025-01-10 01:48:01,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-10 01:48:01,839 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 698 transitions. [2025-01-10 01:48:01,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-10 01:48:01,839 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:01,839 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:01,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-01-10 01:48:02,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:02,040 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:02,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:02,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1759000935, now seen corresponding path program 1 times [2025-01-10 01:48:02,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:02,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614240618] [2025-01-10 01:48:02,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:02,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:02,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-10 01:48:02,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 01:48:02,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:02,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:48:02,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033272211] [2025-01-10 01:48:02,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:02,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:02,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:02,050 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:48:02,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-01-10 01:48:02,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-10 01:48:02,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 01:48:02,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:02,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:02,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 01:48:02,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:02,327 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-01-10 01:48:02,328 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:02,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:02,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614240618] [2025-01-10 01:48:02,409 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:48:02,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033272211] [2025-01-10 01:48:02,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033272211] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:48:02,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:48:02,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:48:02,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610012822] [2025-01-10 01:48:02,409 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:48:02,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:48:02,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:02,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:48:02,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:48:02,410 INFO L87 Difference]: Start difference. First operand 526 states and 698 transitions. Second operand has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-01-10 01:48:02,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:02,769 INFO L93 Difference]: Finished difference Result 544 states and 720 transitions. [2025-01-10 01:48:02,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:48:02,769 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 82 [2025-01-10 01:48:02,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:02,771 INFO L225 Difference]: With dead ends: 544 [2025-01-10 01:48:02,771 INFO L226 Difference]: Without dead ends: 540 [2025-01-10 01:48:02,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:48:02,771 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 158 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:02,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 292 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:48:02,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2025-01-10 01:48:02,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 525. [2025-01-10 01:48:02,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 437 states have (on average 1.3363844393592677) internal successors, (584), 470 states have internal predecessors, (584), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-01-10 01:48:02,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 688 transitions. [2025-01-10 01:48:02,790 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 688 transitions. Word has length 82 [2025-01-10 01:48:02,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:02,790 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 688 transitions. [2025-01-10 01:48:02,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-01-10 01:48:02,790 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 688 transitions. [2025-01-10 01:48:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-01-10 01:48:02,790 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:02,790 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:02,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-01-10 01:48:02,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-01-10 01:48:02,991 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:02,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:02,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1547655787, now seen corresponding path program 1 times [2025-01-10 01:48:02,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:02,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751858444] [2025-01-10 01:48:02,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:02,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:02,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-01-10 01:48:02,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-01-10 01:48:02,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:02,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:03,075 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:03,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:03,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751858444] [2025-01-10 01:48:03,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751858444] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:48:03,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205839756] [2025-01-10 01:48:03,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:03,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:03,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:03,077 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:48:03,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-01-10 01:48:03,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-01-10 01:48:03,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-01-10 01:48:03,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:03,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:03,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:48:03,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:03,244 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:03,244 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:03,359 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:03,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205839756] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:48:03,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:48:03,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 13 [2025-01-10 01:48:03,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729200637] [2025-01-10 01:48:03,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:48:03,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:48:03,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:03,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:48:03,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:48:03,361 INFO L87 Difference]: Start difference. First operand 525 states and 688 transitions. Second operand has 14 states, 13 states have (on average 9.923076923076923) internal successors, (129), 14 states have internal predecessors, (129), 8 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2025-01-10 01:48:03,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:03,737 INFO L93 Difference]: Finished difference Result 527 states and 688 transitions. [2025-01-10 01:48:03,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-10 01:48:03,737 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.923076923076923) internal successors, (129), 14 states have internal predecessors, (129), 8 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) Word has length 91 [2025-01-10 01:48:03,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:03,738 INFO L225 Difference]: With dead ends: 527 [2025-01-10 01:48:03,738 INFO L226 Difference]: Without dead ends: 526 [2025-01-10 01:48:03,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=268, Invalid=602, Unknown=0, NotChecked=0, Total=870 [2025-01-10 01:48:03,740 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 510 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:03,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 363 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:48:03,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2025-01-10 01:48:03,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 524. [2025-01-10 01:48:03,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 437 states have (on average 1.3272311212814645) internal successors, (580), 469 states have internal predecessors, (580), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-01-10 01:48:03,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 684 transitions. [2025-01-10 01:48:03,760 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 684 transitions. Word has length 91 [2025-01-10 01:48:03,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:03,761 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 684 transitions. [2025-01-10 01:48:03,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.923076923076923) internal successors, (129), 14 states have internal predecessors, (129), 8 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2025-01-10 01:48:03,761 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 684 transitions. [2025-01-10 01:48:03,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-01-10 01:48:03,761 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:03,761 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:03,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-01-10 01:48:03,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-01-10 01:48:03,962 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:03,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:03,962 INFO L85 PathProgramCache]: Analyzing trace with hash -46318905, now seen corresponding path program 1 times [2025-01-10 01:48:03,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:03,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114464719] [2025-01-10 01:48:03,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:03,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:03,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-01-10 01:48:03,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-01-10 01:48:03,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:03,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:04,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:04,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114464719] [2025-01-10 01:48:04,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114464719] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:48:04,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199185587] [2025-01-10 01:48:04,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:04,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:04,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:04,021 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:48:04,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-01-10 01:48:04,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-01-10 01:48:04,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-01-10 01:48:04,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:04,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:04,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:48:04,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:04,208 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:04,208 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:04,317 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:04,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199185587] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:48:04,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:48:04,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-01-10 01:48:04,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338703361] [2025-01-10 01:48:04,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:48:04,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:48:04,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:04,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:48:04,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:48:04,319 INFO L87 Difference]: Start difference. First operand 524 states and 684 transitions. Second operand has 14 states, 13 states have (on average 12.076923076923077) internal successors, (157), 14 states have internal predecessors, (157), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-01-10 01:48:04,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:04,662 INFO L93 Difference]: Finished difference Result 548 states and 708 transitions. [2025-01-10 01:48:04,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-10 01:48:04,662 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.076923076923077) internal successors, (157), 14 states have internal predecessors, (157), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 91 [2025-01-10 01:48:04,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:04,664 INFO L225 Difference]: With dead ends: 548 [2025-01-10 01:48:04,664 INFO L226 Difference]: Without dead ends: 547 [2025-01-10 01:48:04,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=283, Invalid=647, Unknown=0, NotChecked=0, Total=930 [2025-01-10 01:48:04,664 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 543 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:04,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 471 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:48:04,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2025-01-10 01:48:04,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 523. [2025-01-10 01:48:04,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 437 states have (on average 1.3180778032036613) internal successors, (576), 468 states have internal predecessors, (576), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-01-10 01:48:04,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 680 transitions. [2025-01-10 01:48:04,689 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 680 transitions. Word has length 91 [2025-01-10 01:48:04,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:04,689 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 680 transitions. [2025-01-10 01:48:04,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.076923076923077) internal successors, (157), 14 states have internal predecessors, (157), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-01-10 01:48:04,689 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 680 transitions. [2025-01-10 01:48:04,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-01-10 01:48:04,689 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:04,689 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:04,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-01-10 01:48:04,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-01-10 01:48:04,894 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:04,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:04,894 INFO L85 PathProgramCache]: Analyzing trace with hash 733120208, now seen corresponding path program 1 times [2025-01-10 01:48:04,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:04,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524171697] [2025-01-10 01:48:04,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:04,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:04,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-01-10 01:48:04,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-01-10 01:48:04,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:04,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:04,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:04,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524171697] [2025-01-10 01:48:04,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524171697] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:48:04,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163831079] [2025-01-10 01:48:04,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:04,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:04,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:04,941 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:48:04,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-01-10 01:48:04,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-01-10 01:48:04,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-01-10 01:48:04,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:04,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:04,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:48:04,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:05,083 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:05,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:05,169 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:05,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163831079] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:48:05,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:48:05,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-01-10 01:48:05,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080700408] [2025-01-10 01:48:05,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:48:05,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:48:05,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:05,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:48:05,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:48:05,170 INFO L87 Difference]: Start difference. First operand 523 states and 680 transitions. Second operand has 8 states, 7 states have (on average 22.571428571428573) internal successors, (158), 8 states have internal predecessors, (158), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-01-10 01:48:05,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:05,446 INFO L93 Difference]: Finished difference Result 930 states and 1250 transitions. [2025-01-10 01:48:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:48:05,446 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 22.571428571428573) internal successors, (158), 8 states have internal predecessors, (158), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 92 [2025-01-10 01:48:05,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:05,449 INFO L225 Difference]: With dead ends: 930 [2025-01-10 01:48:05,449 INFO L226 Difference]: Without dead ends: 928 [2025-01-10 01:48:05,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:48:05,450 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 221 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:05,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 241 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:48:05,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2025-01-10 01:48:05,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 738. [2025-01-10 01:48:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 631 states have (on average 1.3312202852614896) internal successors, (840), 662 states have internal predecessors, (840), 73 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2025-01-10 01:48:05,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 986 transitions. [2025-01-10 01:48:05,494 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 986 transitions. Word has length 92 [2025-01-10 01:48:05,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:05,495 INFO L471 AbstractCegarLoop]: Abstraction has 738 states and 986 transitions. [2025-01-10 01:48:05,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 22.571428571428573) internal successors, (158), 8 states have internal predecessors, (158), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-01-10 01:48:05,495 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 986 transitions. [2025-01-10 01:48:05,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-01-10 01:48:05,495 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:05,495 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:05,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-01-10 01:48:05,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:05,696 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:05,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:05,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1616060892, now seen corresponding path program 1 times [2025-01-10 01:48:05,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:05,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857509120] [2025-01-10 01:48:05,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:05,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:05,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-01-10 01:48:05,704 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-01-10 01:48:05,704 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:05,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:05,752 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:05,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:05,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857509120] [2025-01-10 01:48:05,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857509120] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:48:05,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159945800] [2025-01-10 01:48:05,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:05,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:05,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:05,754 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:48:05,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-01-10 01:48:05,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-01-10 01:48:05,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-01-10 01:48:05,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:05,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:05,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:48:05,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:05,920 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:05,920 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:05,999 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:05,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159945800] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:48:05,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:48:05,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-01-10 01:48:05,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901669730] [2025-01-10 01:48:05,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:48:05,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:48:05,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:06,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:48:06,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:48:06,000 INFO L87 Difference]: Start difference. First operand 738 states and 986 transitions. Second operand has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-01-10 01:48:06,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:06,363 INFO L93 Difference]: Finished difference Result 1320 states and 1805 transitions. [2025-01-10 01:48:06,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:48:06,363 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 94 [2025-01-10 01:48:06,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:06,366 INFO L225 Difference]: With dead ends: 1320 [2025-01-10 01:48:06,366 INFO L226 Difference]: Without dead ends: 1318 [2025-01-10 01:48:06,367 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:48:06,367 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 268 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:06,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 285 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:48:06,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2025-01-10 01:48:06,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1034. [2025-01-10 01:48:06,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 897 states have (on average 1.3411371237458194) internal successors, (1203), 928 states have internal predecessors, (1203), 103 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2025-01-10 01:48:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1409 transitions. [2025-01-10 01:48:06,420 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1409 transitions. Word has length 94 [2025-01-10 01:48:06,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:06,420 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1409 transitions. [2025-01-10 01:48:06,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-01-10 01:48:06,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1409 transitions. [2025-01-10 01:48:06,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-01-10 01:48:06,420 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:06,420 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:06,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-01-10 01:48:06,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-01-10 01:48:06,621 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:06,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:06,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1022524839, now seen corresponding path program 1 times [2025-01-10 01:48:06,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:06,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270367572] [2025-01-10 01:48:06,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:06,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:06,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-10 01:48:06,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-10 01:48:06,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:06,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:48:06,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1163138622] [2025-01-10 01:48:06,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:06,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:06,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:06,633 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:48:06,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-01-10 01:48:06,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-10 01:48:06,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-10 01:48:06,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:06,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:06,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-10 01:48:06,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:07,033 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-01-10 01:48:07,034 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:07,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:07,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270367572] [2025-01-10 01:48:07,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:48:07,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163138622] [2025-01-10 01:48:07,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163138622] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:48:07,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:48:07,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 01:48:07,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148008643] [2025-01-10 01:48:07,103 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:48:07,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:48:07,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:07,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:48:07,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:48:07,103 INFO L87 Difference]: Start difference. First operand 1034 states and 1409 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 01:48:07,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:07,770 INFO L93 Difference]: Finished difference Result 1110 states and 1512 transitions. [2025-01-10 01:48:07,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:48:07,770 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 96 [2025-01-10 01:48:07,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:07,773 INFO L225 Difference]: With dead ends: 1110 [2025-01-10 01:48:07,773 INFO L226 Difference]: Without dead ends: 1106 [2025-01-10 01:48:07,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2025-01-10 01:48:07,774 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 352 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:07,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 405 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:48:07,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2025-01-10 01:48:07,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1060. [2025-01-10 01:48:07,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1060 states, 920 states have (on average 1.3391304347826087) internal successors, (1232), 951 states have internal predecessors, (1232), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2025-01-10 01:48:07,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1444 transitions. [2025-01-10 01:48:07,818 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1444 transitions. Word has length 96 [2025-01-10 01:48:07,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:07,818 INFO L471 AbstractCegarLoop]: Abstraction has 1060 states and 1444 transitions. [2025-01-10 01:48:07,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 01:48:07,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1444 transitions. [2025-01-10 01:48:07,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-01-10 01:48:07,818 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:07,818 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:07,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-01-10 01:48:08,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-01-10 01:48:08,023 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:08,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:08,023 INFO L85 PathProgramCache]: Analyzing trace with hash 327505917, now seen corresponding path program 2 times [2025-01-10 01:48:08,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:08,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838727126] [2025-01-10 01:48:08,023 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:48:08,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:08,027 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 96 statements into 2 equivalence classes. [2025-01-10 01:48:08,032 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 96 of 96 statements. [2025-01-10 01:48:08,032 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:48:08,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:48:08,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [312314501] [2025-01-10 01:48:08,033 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:48:08,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:08,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:08,036 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:48:08,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-01-10 01:48:08,058 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 96 statements into 2 equivalence classes. [2025-01-10 01:48:08,074 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 96 of 96 statements. [2025-01-10 01:48:08,074 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:48:08,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:08,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:48:08,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:08,304 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:08,304 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:08,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:08,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838727126] [2025-01-10 01:48:08,432 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:48:08,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312314501] [2025-01-10 01:48:08,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312314501] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:48:08,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:48:08,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 01:48:08,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662054853] [2025-01-10 01:48:08,432 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:48:08,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:48:08,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:08,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:48:08,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:48:08,433 INFO L87 Difference]: Start difference. First operand 1060 states and 1444 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:48:08,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:08,871 INFO L93 Difference]: Finished difference Result 1194 states and 1621 transitions. [2025-01-10 01:48:08,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:48:08,872 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 96 [2025-01-10 01:48:08,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:08,875 INFO L225 Difference]: With dead ends: 1194 [2025-01-10 01:48:08,875 INFO L226 Difference]: Without dead ends: 1192 [2025-01-10 01:48:08,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:48:08,875 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 127 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:08,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 333 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:48:08,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2025-01-10 01:48:08,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1068. [2025-01-10 01:48:08,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 927 states have (on average 1.3333333333333333) internal successors, (1236), 958 states have internal predecessors, (1236), 107 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2025-01-10 01:48:08,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1450 transitions. [2025-01-10 01:48:08,922 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1450 transitions. Word has length 96 [2025-01-10 01:48:08,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:08,922 INFO L471 AbstractCegarLoop]: Abstraction has 1068 states and 1450 transitions. [2025-01-10 01:48:08,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:48:08,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1450 transitions. [2025-01-10 01:48:08,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-10 01:48:08,923 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:08,923 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:08,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-01-10 01:48:09,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-01-10 01:48:09,123 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:09,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:09,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1633498895, now seen corresponding path program 1 times [2025-01-10 01:48:09,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:09,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401249156] [2025-01-10 01:48:09,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:09,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:09,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-10 01:48:09,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-10 01:48:09,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:09,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:48:09,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2086346223] [2025-01-10 01:48:09,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:09,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:09,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:09,135 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:48:09,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-01-10 01:48:09,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-10 01:48:09,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-10 01:48:09,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:09,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:09,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 01:48:09,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:09,517 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-01-10 01:48:09,517 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:09,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:09,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401249156] [2025-01-10 01:48:09,636 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:48:09,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086346223] [2025-01-10 01:48:09,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086346223] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:48:09,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:48:09,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 01:48:09,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302944467] [2025-01-10 01:48:09,636 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:48:09,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:48:09,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:09,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:48:09,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:48:09,637 INFO L87 Difference]: Start difference. First operand 1068 states and 1450 transitions. Second operand has 13 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 01:48:10,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:10,094 INFO L93 Difference]: Finished difference Result 1115 states and 1506 transitions. [2025-01-10 01:48:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:48:10,094 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 97 [2025-01-10 01:48:10,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:10,097 INFO L225 Difference]: With dead ends: 1115 [2025-01-10 01:48:10,097 INFO L226 Difference]: Without dead ends: 1113 [2025-01-10 01:48:10,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2025-01-10 01:48:10,098 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 378 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:10,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 273 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:48:10,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2025-01-10 01:48:10,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 1076. [2025-01-10 01:48:10,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 934 states have (on average 1.3340471092077089) internal successors, (1246), 965 states have internal predecessors, (1246), 108 states have call successors, (108), 2 states have call predecessors, (108), 2 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2025-01-10 01:48:10,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1462 transitions. [2025-01-10 01:48:10,159 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1462 transitions. Word has length 97 [2025-01-10 01:48:10,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:10,159 INFO L471 AbstractCegarLoop]: Abstraction has 1076 states and 1462 transitions. [2025-01-10 01:48:10,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 01:48:10,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1462 transitions. [2025-01-10 01:48:10,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-10 01:48:10,160 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:10,160 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:10,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-01-10 01:48:10,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:10,361 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:10,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:10,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1562748877, now seen corresponding path program 2 times [2025-01-10 01:48:10,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:10,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473927589] [2025-01-10 01:48:10,362 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:48:10,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:10,365 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-01-10 01:48:10,375 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-01-10 01:48:10,375 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:48:10,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:48:10,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [994577797] [2025-01-10 01:48:10,375 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:48:10,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:10,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:10,380 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:48:10,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-01-10 01:48:10,400 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-01-10 01:48:10,417 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-01-10 01:48:10,417 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:48:10,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:10,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:48:10,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:10,648 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-01-10 01:48:10,648 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:10,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:10,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473927589] [2025-01-10 01:48:10,741 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:48:10,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994577797] [2025-01-10 01:48:10,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994577797] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:48:10,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:48:10,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:48:10,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429906987] [2025-01-10 01:48:10,741 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:48:10,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:48:10,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:10,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:48:10,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:48:10,742 INFO L87 Difference]: Start difference. First operand 1076 states and 1462 transitions. Second operand has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 8 states have internal predecessors, (66), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 01:48:11,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:11,106 INFO L93 Difference]: Finished difference Result 1133 states and 1523 transitions. [2025-01-10 01:48:11,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:48:11,107 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 8 states have internal predecessors, (66), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 97 [2025-01-10 01:48:11,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:11,110 INFO L225 Difference]: With dead ends: 1133 [2025-01-10 01:48:11,110 INFO L226 Difference]: Without dead ends: 1131 [2025-01-10 01:48:11,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:48:11,111 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 146 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:11,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 268 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:48:11,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2025-01-10 01:48:11,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1069. [2025-01-10 01:48:11,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1069 states, 928 states have (on average 1.3308189655172413) internal successors, (1235), 959 states have internal predecessors, (1235), 107 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2025-01-10 01:48:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1449 transitions. [2025-01-10 01:48:11,158 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1449 transitions. Word has length 97 [2025-01-10 01:48:11,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:11,159 INFO L471 AbstractCegarLoop]: Abstraction has 1069 states and 1449 transitions. [2025-01-10 01:48:11,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 8 states have internal predecessors, (66), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 01:48:11,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1449 transitions. [2025-01-10 01:48:11,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-01-10 01:48:11,159 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:11,159 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 01:48:11,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-01-10 01:48:11,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2025-01-10 01:48:11,364 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:11,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:11,364 INFO L85 PathProgramCache]: Analyzing trace with hash 901141851, now seen corresponding path program 1 times [2025-01-10 01:48:11,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:11,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601902023] [2025-01-10 01:48:11,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:11,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:11,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 01:48:11,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 01:48:11,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:11,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:48:11,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1129757204] [2025-01-10 01:48:11,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:11,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:11,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:11,380 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:48:11,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-01-10 01:48:11,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 01:48:11,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 01:48:11,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:11,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:11,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:48:11,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:11,656 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:11,656 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:13,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:13,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601902023] [2025-01-10 01:48:13,066 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:48:13,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129757204] [2025-01-10 01:48:13,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129757204] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:48:13,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:48:13,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 01:48:13,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015074279] [2025-01-10 01:48:13,066 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:48:13,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:48:13,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:13,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:48:13,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=34, Unknown=1, NotChecked=0, Total=56 [2025-01-10 01:48:13,067 INFO L87 Difference]: Start difference. First operand 1069 states and 1449 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:48:13,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:13,548 INFO L93 Difference]: Finished difference Result 1192 states and 1637 transitions. [2025-01-10 01:48:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:48:13,548 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 98 [2025-01-10 01:48:13,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:13,551 INFO L225 Difference]: With dead ends: 1192 [2025-01-10 01:48:13,551 INFO L226 Difference]: Without dead ends: 1188 [2025-01-10 01:48:13,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=62, Invalid=93, Unknown=1, NotChecked=0, Total=156 [2025-01-10 01:48:13,552 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 195 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:13,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 279 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:48:13,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2025-01-10 01:48:13,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1050. [2025-01-10 01:48:13,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 915 states have (on average 1.2863387978142076) internal successors, (1177), 942 states have internal predecessors, (1177), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-01-10 01:48:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1387 transitions. [2025-01-10 01:48:13,606 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1387 transitions. Word has length 98 [2025-01-10 01:48:13,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:13,607 INFO L471 AbstractCegarLoop]: Abstraction has 1050 states and 1387 transitions. [2025-01-10 01:48:13,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:48:13,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1387 transitions. [2025-01-10 01:48:13,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-01-10 01:48:13,607 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:13,607 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:13,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2025-01-10 01:48:13,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:13,809 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:13,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:13,809 INFO L85 PathProgramCache]: Analyzing trace with hash -2129373645, now seen corresponding path program 1 times [2025-01-10 01:48:13,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:13,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307242795] [2025-01-10 01:48:13,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:13,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:13,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-01-10 01:48:13,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-10 01:48:13,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:13,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:48:13,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [85317542] [2025-01-10 01:48:13,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:13,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:13,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:13,822 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:48:13,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-01-10 01:48:13,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-01-10 01:48:13,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-10 01:48:13,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:13,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:13,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:48:13,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:14,116 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:14,116 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:14,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:14,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307242795] [2025-01-10 01:48:14,225 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:48:14,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85317542] [2025-01-10 01:48:14,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85317542] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:48:14,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:48:14,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-01-10 01:48:14,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549932958] [2025-01-10 01:48:14,226 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:48:14,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:48:14,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:14,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:48:14,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:48:14,226 INFO L87 Difference]: Start difference. First operand 1050 states and 1387 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:48:14,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:14,431 INFO L93 Difference]: Finished difference Result 1083 states and 1429 transitions. [2025-01-10 01:48:14,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:48:14,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 99 [2025-01-10 01:48:14,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:14,434 INFO L225 Difference]: With dead ends: 1083 [2025-01-10 01:48:14,434 INFO L226 Difference]: Without dead ends: 1081 [2025-01-10 01:48:14,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:48:14,435 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 118 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:14,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 158 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:48:14,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2025-01-10 01:48:14,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1056. [2025-01-10 01:48:14,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 920 states have (on average 1.2858695652173913) internal successors, (1183), 947 states have internal predecessors, (1183), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2025-01-10 01:48:14,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1395 transitions. [2025-01-10 01:48:14,477 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1395 transitions. Word has length 99 [2025-01-10 01:48:14,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:14,477 INFO L471 AbstractCegarLoop]: Abstraction has 1056 states and 1395 transitions. [2025-01-10 01:48:14,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:48:14,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1395 transitions. [2025-01-10 01:48:14,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-01-10 01:48:14,478 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:14,478 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:14,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2025-01-10 01:48:14,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2025-01-10 01:48:14,678 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:14,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:14,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1436881393, now seen corresponding path program 2 times [2025-01-10 01:48:14,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:14,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416070103] [2025-01-10 01:48:14,679 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:48:14,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:14,682 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 99 statements into 2 equivalence classes. [2025-01-10 01:48:14,693 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 99 of 99 statements. [2025-01-10 01:48:14,693 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:48:14,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:48:14,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1263967011] [2025-01-10 01:48:14,693 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:48:14,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:14,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:14,695 INFO L229 MonitoredProcess]: Starting monitored process 42 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 01:48:14,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-01-10 01:48:14,716 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 99 statements into 2 equivalence classes. [2025-01-10 01:48:14,731 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 99 of 99 statements. [2025-01-10 01:48:14,731 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:48:14,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:14,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:48:14,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:14,940 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:14,940 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:15,169 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:15,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:15,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416070103] [2025-01-10 01:48:15,169 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:48:15,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263967011] [2025-01-10 01:48:15,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263967011] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:48:15,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:48:15,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2025-01-10 01:48:15,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581753492] [2025-01-10 01:48:15,169 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:48:15,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:48:15,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:15,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:48:15,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:48:15,170 INFO L87 Difference]: Start difference. First operand 1056 states and 1395 transitions. Second operand has 9 states, 8 states have (on average 15.25) internal successors, (122), 9 states have internal predecessors, (122), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-01-10 01:48:17,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:17,252 INFO L93 Difference]: Finished difference Result 1126 states and 1477 transitions. [2025-01-10 01:48:17,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:48:17,252 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 15.25) internal successors, (122), 9 states have internal predecessors, (122), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 99 [2025-01-10 01:48:17,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:17,255 INFO L225 Difference]: With dead ends: 1126 [2025-01-10 01:48:17,255 INFO L226 Difference]: Without dead ends: 1124 [2025-01-10 01:48:17,256 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:48:17,256 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 275 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:17,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 390 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-01-10 01:48:17,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2025-01-10 01:48:17,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1069. [2025-01-10 01:48:17,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1069 states, 935 states have (on average 1.2791443850267379) internal successors, (1196), 961 states have internal predecessors, (1196), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-01-10 01:48:17,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1406 transitions. [2025-01-10 01:48:17,305 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1406 transitions. Word has length 99 [2025-01-10 01:48:17,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:17,305 INFO L471 AbstractCegarLoop]: Abstraction has 1069 states and 1406 transitions. [2025-01-10 01:48:17,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 15.25) internal successors, (122), 9 states have internal predecessors, (122), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-01-10 01:48:17,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1406 transitions. [2025-01-10 01:48:17,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-01-10 01:48:17,306 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:17,306 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:17,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2025-01-10 01:48:17,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2025-01-10 01:48:17,507 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:17,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:17,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1586073507, now seen corresponding path program 1 times [2025-01-10 01:48:17,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:17,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247935517] [2025-01-10 01:48:17,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:17,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:17,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 01:48:17,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 01:48:17,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:17,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:48:17,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [589052369] [2025-01-10 01:48:17,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:17,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:17,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:17,523 INFO L229 MonitoredProcess]: Starting monitored process 43 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 01:48:17,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-01-10 01:48:17,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 01:48:17,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 01:48:17,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:17,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:17,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 01:48:17,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:17,828 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:17,829 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2025-01-10 01:48:17,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:17,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247935517] [2025-01-10 01:48:17,938 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:48:17,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589052369] [2025-01-10 01:48:17,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589052369] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 01:48:17,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:48:17,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-01-10 01:48:17,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313923750] [2025-01-10 01:48:17,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:48:17,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:48:17,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:17,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:48:17,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:48:17,939 INFO L87 Difference]: Start difference. First operand 1069 states and 1406 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 01:48:18,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:18,263 INFO L93 Difference]: Finished difference Result 1069 states and 1406 transitions. [2025-01-10 01:48:18,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:48:18,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 100 [2025-01-10 01:48:18,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:18,269 INFO L225 Difference]: With dead ends: 1069 [2025-01-10 01:48:18,271 INFO L226 Difference]: Without dead ends: 1068 [2025-01-10 01:48:18,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 189 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:48:18,272 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 80 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:18,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 106 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:48:18,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2025-01-10 01:48:18,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1068. [2025-01-10 01:48:18,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 935 states have (on average 1.2577540106951872) internal successors, (1176), 960 states have internal predecessors, (1176), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-01-10 01:48:18,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1386 transitions. [2025-01-10 01:48:18,321 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1386 transitions. Word has length 100 [2025-01-10 01:48:18,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:18,321 INFO L471 AbstractCegarLoop]: Abstraction has 1068 states and 1386 transitions. [2025-01-10 01:48:18,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 01:48:18,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1386 transitions. [2025-01-10 01:48:18,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-01-10 01:48:18,322 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:18,322 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 01:48:18,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2025-01-10 01:48:18,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-01-10 01:48:18,522 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:18,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:18,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1923638411, now seen corresponding path program 1 times [2025-01-10 01:48:18,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:18,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166881548] [2025-01-10 01:48:18,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:18,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:18,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-01-10 01:48:18,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-01-10 01:48:18,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:18,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:48:18,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2038632217] [2025-01-10 01:48:18,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:18,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:18,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:18,533 INFO L229 MonitoredProcess]: Starting monitored process 44 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 01:48:18,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-01-10 01:48:18,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-01-10 01:48:18,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-01-10 01:48:18,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:18,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:18,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 01:48:18,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:18,854 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:48:18,854 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:19,026 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-01-10 01:48:19,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:19,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166881548] [2025-01-10 01:48:19,026 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:48:19,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038632217] [2025-01-10 01:48:19,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038632217] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 01:48:19,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:48:19,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-01-10 01:48:19,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981793695] [2025-01-10 01:48:19,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:48:19,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:48:19,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:19,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:48:19,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:48:19,027 INFO L87 Difference]: Start difference. First operand 1068 states and 1386 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 01:48:19,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:19,788 INFO L93 Difference]: Finished difference Result 1068 states and 1386 transitions. [2025-01-10 01:48:19,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:48:19,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 101 [2025-01-10 01:48:19,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:19,791 INFO L225 Difference]: With dead ends: 1068 [2025-01-10 01:48:19,791 INFO L226 Difference]: Without dead ends: 1065 [2025-01-10 01:48:19,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 191 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:48:19,791 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 80 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:19,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 106 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:48:19,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2025-01-10 01:48:19,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2025-01-10 01:48:19,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 935 states have (on average 1.2320855614973263) internal successors, (1152), 957 states have internal predecessors, (1152), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-01-10 01:48:19,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1362 transitions. [2025-01-10 01:48:19,841 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1362 transitions. Word has length 101 [2025-01-10 01:48:19,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:19,841 INFO L471 AbstractCegarLoop]: Abstraction has 1065 states and 1362 transitions. [2025-01-10 01:48:19,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 01:48:19,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1362 transitions. [2025-01-10 01:48:19,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-01-10 01:48:19,841 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:19,842 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:19,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2025-01-10 01:48:20,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,44 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:20,042 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:20,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:20,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1177151853, now seen corresponding path program 1 times [2025-01-10 01:48:20,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:20,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745426717] [2025-01-10 01:48:20,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:20,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:20,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-10 01:48:20,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-10 01:48:20,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:20,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:20,096 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-01-10 01:48:20,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:20,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745426717] [2025-01-10 01:48:20,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745426717] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:48:20,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:48:20,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:48:20,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488015041] [2025-01-10 01:48:20,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:48:20,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:48:20,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:20,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:48:20,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:48:20,098 INFO L87 Difference]: Start difference. First operand 1065 states and 1362 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-01-10 01:48:20,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:20,531 INFO L93 Difference]: Finished difference Result 1087 states and 1382 transitions. [2025-01-10 01:48:20,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:48:20,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 103 [2025-01-10 01:48:20,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:20,534 INFO L225 Difference]: With dead ends: 1087 [2025-01-10 01:48:20,534 INFO L226 Difference]: Without dead ends: 1075 [2025-01-10 01:48:20,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:48:20,537 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 142 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:20,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 172 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:48:20,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2025-01-10 01:48:20,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1053. [2025-01-10 01:48:20,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 925 states have (on average 1.227027027027027) internal successors, (1135), 946 states have internal predecessors, (1135), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2025-01-10 01:48:20,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1343 transitions. [2025-01-10 01:48:20,601 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1343 transitions. Word has length 103 [2025-01-10 01:48:20,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:20,601 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1343 transitions. [2025-01-10 01:48:20,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-01-10 01:48:20,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1343 transitions. [2025-01-10 01:48:20,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-10 01:48:20,602 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:20,602 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:20,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2025-01-10 01:48:20,602 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:20,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:20,603 INFO L85 PathProgramCache]: Analyzing trace with hash 547950305, now seen corresponding path program 2 times [2025-01-10 01:48:20,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:20,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525286683] [2025-01-10 01:48:20,603 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:48:20,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:20,607 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 107 statements into 2 equivalence classes. [2025-01-10 01:48:20,619 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 107 of 107 statements. [2025-01-10 01:48:20,619 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:48:20,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:48:20,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [530362275] [2025-01-10 01:48:20,620 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:48:20,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:20,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:20,622 INFO L229 MonitoredProcess]: Starting monitored process 45 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 01:48:20,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-01-10 01:48:20,643 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 107 statements into 2 equivalence classes. [2025-01-10 01:48:20,662 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 107 of 107 statements. [2025-01-10 01:48:20,662 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:48:20,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:48:20,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 01:48:20,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:48:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-01-10 01:48:20,959 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:48:21,204 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-01-10 01:48:21,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:48:21,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525286683] [2025-01-10 01:48:21,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:48:21,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530362275] [2025-01-10 01:48:21,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530362275] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:48:21,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:48:21,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-01-10 01:48:21,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090122796] [2025-01-10 01:48:21,205 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:48:21,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:48:21,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:48:21,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:48:21,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:48:21,205 INFO L87 Difference]: Start difference. First operand 1053 states and 1343 transitions. Second operand has 14 states, 13 states have (on average 9.923076923076923) internal successors, (129), 14 states have internal predecessors, (129), 8 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2025-01-10 01:48:22,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:48:22,233 INFO L93 Difference]: Finished difference Result 1237 states and 1579 transitions. [2025-01-10 01:48:22,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-10 01:48:22,233 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.923076923076923) internal successors, (129), 14 states have internal predecessors, (129), 8 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) Word has length 107 [2025-01-10 01:48:22,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:48:22,236 INFO L225 Difference]: With dead ends: 1237 [2025-01-10 01:48:22,236 INFO L226 Difference]: Without dead ends: 1235 [2025-01-10 01:48:22,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=225, Invalid=705, Unknown=0, NotChecked=0, Total=930 [2025-01-10 01:48:22,238 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 374 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:48:22,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 424 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:48:22,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1235 states. [2025-01-10 01:48:22,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1235 to 1009. [2025-01-10 01:48:22,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 887 states have (on average 1.2153325817361893) internal successors, (1078), 907 states have internal predecessors, (1078), 99 states have call successors, (99), 2 states have call predecessors, (99), 2 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2025-01-10 01:48:22,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1276 transitions. [2025-01-10 01:48:22,299 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1276 transitions. Word has length 107 [2025-01-10 01:48:22,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:48:22,299 INFO L471 AbstractCegarLoop]: Abstraction has 1009 states and 1276 transitions. [2025-01-10 01:48:22,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.923076923076923) internal successors, (129), 14 states have internal predecessors, (129), 8 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2025-01-10 01:48:22,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1276 transitions. [2025-01-10 01:48:22,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-01-10 01:48:22,300 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:48:22,300 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:22,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2025-01-10 01:48:22,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-01-10 01:48:22,501 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-01-10 01:48:22,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:48:22,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1516470246, now seen corresponding path program 1 times [2025-01-10 01:48:22,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:48:22,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030078404] [2025-01-10 01:48:22,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:22,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:48:22,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-10 01:48:22,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-10 01:48:22,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:22,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:48:22,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2067751813] [2025-01-10 01:48:22,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:48:22,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:48:22,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:48:22,513 INFO L229 MonitoredProcess]: Starting monitored process 46 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 01:48:22,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-01-10 01:48:22,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-10 01:48:22,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-10 01:48:22,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:22,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 01:48:22,550 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 01:48:22,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-10 01:48:22,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-10 01:48:22,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:48:22,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 01:48:22,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 01:48:22,585 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-10 01:48:22,587 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 56 remaining) [2025-01-10 01:48:22,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 56 remaining) [2025-01-10 01:48:22,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 56 remaining) [2025-01-10 01:48:22,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 56 remaining) [2025-01-10 01:48:22,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 56 remaining) [2025-01-10 01:48:22,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 56 remaining) [2025-01-10 01:48:22,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 56 remaining) [2025-01-10 01:48:22,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 56 remaining) [2025-01-10 01:48:22,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 56 remaining) [2025-01-10 01:48:22,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 56 remaining) [2025-01-10 01:48:22,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 56 remaining) [2025-01-10 01:48:22,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 56 remaining) [2025-01-10 01:48:22,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 56 remaining) [2025-01-10 01:48:22,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 56 remaining) [2025-01-10 01:48:22,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 56 remaining) [2025-01-10 01:48:22,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 56 remaining) [2025-01-10 01:48:22,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 56 remaining) [2025-01-10 01:48:22,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 56 remaining) [2025-01-10 01:48:22,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 56 remaining) [2025-01-10 01:48:22,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 56 remaining) [2025-01-10 01:48:22,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 56 remaining) [2025-01-10 01:48:22,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 56 remaining) [2025-01-10 01:48:22,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2025-01-10 01:48:22,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-01-10 01:48:22,793 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:48:22,820 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 01:48:22,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 01:48:22 BoogieIcfgContainer [2025-01-10 01:48:22,823 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 01:48:22,824 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 01:48:22,824 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 01:48:22,824 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 01:48:22,824 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:47:38" (3/4) ... [2025-01-10 01:48:22,825 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-01-10 01:48:22,866 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 32. [2025-01-10 01:48:22,924 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 01:48:22,926 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 01:48:22,926 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 01:48:22,926 INFO L158 Benchmark]: Toolchain (without parser) took 45190.06ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 123.2MB in the beginning and 99.0MB in the end (delta: 24.2MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2025-01-10 01:48:22,926 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:48:22,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.30ms. Allocated memory is still 167.8MB. Free memory was 122.1MB in the beginning and 111.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 01:48:22,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.69ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 109.9MB in the end (delta: 816.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:48:22,927 INFO L158 Benchmark]: Boogie Preprocessor took 40.13ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 108.8MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 01:48:22,927 INFO L158 Benchmark]: RCFGBuilder took 507.34ms. Allocated memory is still 167.8MB. Free memory was 108.8MB in the beginning and 86.7MB in the end (delta: 22.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 01:48:22,927 INFO L158 Benchmark]: TraceAbstraction took 44332.70ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 86.7MB in the beginning and 106.8MB in the end (delta: -20.2MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2025-01-10 01:48:22,927 INFO L158 Benchmark]: Witness Printer took 102.20ms. Allocated memory is still 243.3MB. Free memory was 106.8MB in the beginning and 99.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 01:48:22,928 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 170.30ms. Allocated memory is still 167.8MB. Free memory was 122.1MB in the beginning and 111.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.69ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 109.9MB in the end (delta: 816.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.13ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 108.8MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 507.34ms. Allocated memory is still 167.8MB. Free memory was 108.8MB in the beginning and 86.7MB in the end (delta: 22.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 44332.70ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 86.7MB in the beginning and 106.8MB in the end (delta: -20.2MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. * Witness Printer took 102.20ms. Allocated memory is still 243.3MB. Free memory was 106.8MB in the beginning and 99.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 35]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int a, b, p, q, r, s; [L20] int x, y; [L21] x = __VERIFIER_nondet_int() [L22] y = __VERIFIER_nondet_int() [L23] CALL assume_abort_if_not(x >= 1) VAL [\old(cond)=1] [L8] COND FALSE !(!cond) VAL [\old(cond)=1] [L23] RET assume_abort_if_not(x >= 1) VAL [x=1073741824, y=1073741825] [L24] CALL assume_abort_if_not(y >= 1) VAL [\old(cond)=1] [L8] COND FALSE !(!cond) VAL [\old(cond)=1] [L24] RET assume_abort_if_not(y >= 1) VAL [x=1073741824, y=1073741825] [L26] a = x [L27] b = y [L28] p = 1 [L29] q = 0 [L30] r = 0 [L31] s = 1 VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR r * q VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s - r * q VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L34] CALL __VERIFIER_assert(1 == p * s - r * q) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L34] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR y * r VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR x * p VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR y * r + x * p VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L35] CALL __VERIFIER_assert(a == y * r + x * p) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L35] RET __VERIFIER_assert(a == y * r + x * p) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR x * q VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR y * s VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR x * q + y * s VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L36] CALL __VERIFIER_assert(b == x * q + y * s) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L36] RET __VERIFIER_assert(b == x * q + y * s) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L38] COND FALSE !(!(a != b)) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L41] COND FALSE !(a > b) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L46] EXPR b - a [L46] b = b - a VAL [a=1073741824, b=1, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L47] EXPR q - p [L47] q = q - p VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L48] EXPR s - r [L48] s = s - r VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR r * q VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s - r * q VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L34] CALL __VERIFIER_assert(1 == p * s - r * q) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L34] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR y * r VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR x * p VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR y * r + x * p VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L35] CALL __VERIFIER_assert(a == y * r + x * p) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L35] RET __VERIFIER_assert(a == y * r + x * p) VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR x * q VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR y * s VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR x * q + y * s VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L36] CALL __VERIFIER_assert(b == x * q + y * s) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L36] RET __VERIFIER_assert(b == x * q + y * s) VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L38] COND FALSE !(!(a != b)) VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L41] COND TRUE a > b VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L42] EXPR a - b [L42] a = a - b VAL [a=1073741823, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L43] EXPR p - q [L43] p = p - q VAL [a=1073741823, b=1, p=2, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L44] EXPR r - s [L44] r = r - s VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L34] EXPR r * q VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s - r * q VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L34] CALL __VERIFIER_assert(1 == p * s - r * q) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L34] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L35] y * r VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L35] x * p VAL [a=1073741823, b=1, q=-1, r=-1, s=1, y=1073741825] - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 140 locations, 56 error locations. Started 1 CEGAR loops. OverallTime: 44.3s, OverallIterations: 50, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 17.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9910 SdHoareTripleChecker+Valid, 15.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9645 mSDsluCounter, 11275 SdHoareTripleChecker+Invalid, 13.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7596 mSDsCounter, 727 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20135 IncrementalHoareTripleChecker+Invalid, 20862 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 727 mSolverCounterUnsat, 3679 mSDtfsCounter, 20135 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4105 GetRequests, 3695 SyntacticMatches, 5 SemanticMatches, 405 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1076occurred in iteration=41, InterpolantAutomatonStates: 363, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 49 MinimizatonAttempts, 2684 StatesRemovedByMinimization, 43 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 6221 NumberOfCodeBlocks, 6221 NumberOfCodeBlocksAsserted, 103 NumberOfCheckSat, 4466 ConstructedInterpolants, 0 QuantifiedInterpolants, 26728 SizeOfPredicates, 60 NumberOfNonLiveVariables, 6209 ConjunctsInSsa, 399 ConjunctsInUnsatCore, 66 InterpolantComputations, 24 PerfectInterpolantSequences, 2555/3425 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-01-10 01:48:22,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)