./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound100.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 4da533f9027cb26869f2cd2349cd7115ebf62144e1d11b018683e8601f934a1d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:55:17,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:55:17,909 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 01:55:17,915 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:55:17,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:55:17,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:55:17,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:55:17,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:55:17,935 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:55:17,935 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:55:17,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:55:17,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:55:17,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:55:17,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:55:17,935 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:55:17,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:55:17,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:55:17,937 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 01:55:17,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:55:17,937 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 01:55:17,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:55:17,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:55:17,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:55:17,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:55:17,938 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:55:17,938 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:55:17,938 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 01:55:17,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:55:17,938 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:55:17,939 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:55:17,939 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:55:17,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:55:17,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:55:17,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:55:17,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:55:17,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:55:17,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:55:17,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:55:17,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:55:17,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:55:17,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:55:17,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:55:17,940 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:55:17,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:55:17,940 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:55:17,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:55:17,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:55:17,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:55:17,941 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:55:17,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:55:17,941 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 -> 4da533f9027cb26869f2cd2349cd7115ebf62144e1d11b018683e8601f934a1d [2025-01-10 01:55:18,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:55:18,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:55:18,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:55:18,171 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:55:18,171 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:55:18,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound100.c [2025-01-10 01:55:19,312 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cd37f2b49/8868ce968e5b4be1b3ae02773cfd0c36/FLAG8f5072677 [2025-01-10 01:55:19,506 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:55:19,512 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound100.c [2025-01-10 01:55:19,522 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cd37f2b49/8868ce968e5b4be1b3ae02773cfd0c36/FLAG8f5072677 [2025-01-10 01:55:19,869 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cd37f2b49/8868ce968e5b4be1b3ae02773cfd0c36 [2025-01-10 01:55:19,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:55:19,872 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:55:19,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:55:19,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:55:19,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:55:19,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:55:19" (1/1) ... [2025-01-10 01:55:19,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323a0cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:19, skipping insertion in model container [2025-01-10 01:55:19,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:55:19" (1/1) ... [2025-01-10 01:55:19,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:55:19,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:55:20,006 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:55:20,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:55:20,034 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:55:20,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:20 WrapperNode [2025-01-10 01:55:20,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:55:20,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:55:20,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:55:20,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:55:20,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:20" (1/1) ... [2025-01-10 01:55:20,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:20" (1/1) ... [2025-01-10 01:55:20,059 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2025-01-10 01:55:20,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:55:20,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:55:20,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:55:20,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:55:20,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:20" (1/1) ... [2025-01-10 01:55:20,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:20" (1/1) ... [2025-01-10 01:55:20,070 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:20" (1/1) ... [2025-01-10 01:55:20,085 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 01:55:20,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:20" (1/1) ... [2025-01-10 01:55:20,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:20" (1/1) ... [2025-01-10 01:55:20,089 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:20" (1/1) ... [2025-01-10 01:55:20,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:20" (1/1) ... [2025-01-10 01:55:20,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:20" (1/1) ... [2025-01-10 01:55:20,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:20" (1/1) ... [2025-01-10 01:55:20,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:20" (1/1) ... [2025-01-10 01:55:20,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:55:20,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:55:20,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:55:20,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:55:20,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:20" (1/1) ... [2025-01-10 01:55:20,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:55:20,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:20,129 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 01:55:20,136 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 01:55:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 01:55:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 01:55:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 01:55:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 01:55:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:55:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:55:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 01:55:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 01:55:20,186 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:55:20,188 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:55:20,439 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2025-01-10 01:55:20,439 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:55:20,451 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:55:20,451 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 01:55:20,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:55:20 BoogieIcfgContainer [2025-01-10 01:55:20,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:55:20,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:55:20,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:55:20,457 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:55:20,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:55:19" (1/3) ... [2025-01-10 01:55:20,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6de628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:55:20, skipping insertion in model container [2025-01-10 01:55:20,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:55:20" (2/3) ... [2025-01-10 01:55:20,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6de628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:55:20, skipping insertion in model container [2025-01-10 01:55:20,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:55:20" (3/3) ... [2025-01-10 01:55:20,459 INFO L128 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_valuebound100.c [2025-01-10 01:55:20,470 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:55:20,471 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohendiv-ll_valuebound100.c that has 3 procedures, 90 locations, 1 initial locations, 2 loop locations, and 30 error locations. [2025-01-10 01:55:20,515 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:55:20,527 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;@2f278292, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:55:20,528 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2025-01-10 01:55:20,531 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 47 states have (on average 1.7659574468085106) internal successors, (83), 77 states have internal predecessors, (83), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 01:55:20,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-01-10 01:55:20,534 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:20,535 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:20,535 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:20,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:20,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1619245445, now seen corresponding path program 1 times [2025-01-10 01:55:20,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:20,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813760579] [2025-01-10 01:55:20,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:20,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:20,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 01:55:20,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 01:55:20,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:20,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 01:55:20,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:20,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813760579] [2025-01-10 01:55:20,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813760579] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:20,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946432603] [2025-01-10 01:55:20,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:20,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:20,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:20,643 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 01:55:20,644 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 01:55:20,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 01:55:20,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 01:55:20,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:20,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:20,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 01:55:20,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:20,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 01:55:20,694 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:55:20,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946432603] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:20,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:20,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 01:55:20,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146042247] [2025-01-10 01:55:20,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:20,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 01:55:20,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:20,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 01:55:20,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 01:55:20,713 INFO L87 Difference]: Start difference. First operand has 90 states, 47 states have (on average 1.7659574468085106) internal successors, (83), 77 states have internal predecessors, (83), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:55:20,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:20,728 INFO L93 Difference]: Finished difference Result 176 states and 211 transitions. [2025-01-10 01:55:20,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 01:55:20,729 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2025-01-10 01:55:20,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:20,737 INFO L225 Difference]: With dead ends: 176 [2025-01-10 01:55:20,737 INFO L226 Difference]: Without dead ends: 83 [2025-01-10 01:55:20,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 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 01:55:20,742 INFO L435 NwaCegarLoop]: 98 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, 98 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 01:55:20,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:55:20,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2025-01-10 01:55:20,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2025-01-10 01:55:20,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 42 states have (on average 1.7380952380952381) internal successors, (73), 71 states have internal predecessors, (73), 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 01:55:20,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2025-01-10 01:55:20,770 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 20 [2025-01-10 01:55:20,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:20,770 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2025-01-10 01:55:20,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:55:20,771 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2025-01-10 01:55:20,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-01-10 01:55:20,772 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:20,772 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:20,778 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 01:55:20,973 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 01:55:20,973 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:20,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:20,974 INFO L85 PathProgramCache]: Analyzing trace with hash 206997123, now seen corresponding path program 1 times [2025-01-10 01:55:20,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:20,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310426139] [2025-01-10 01:55:20,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:20,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:20,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 01:55:20,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 01:55:20,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:20,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:21,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [391648547] [2025-01-10 01:55:21,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:21,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:21,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:21,003 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 01:55:21,005 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 01:55:21,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 01:55:21,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 01:55:21,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:21,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:21,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:55:21,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:55:21,059 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:55:21,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:21,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310426139] [2025-01-10 01:55:21,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:21,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391648547] [2025-01-10 01:55:21,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391648547] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:21,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:21,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:55:21,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253033977] [2025-01-10 01:55:21,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:21,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:55:21,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:21,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:55:21,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:55:21,061 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:55:21,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:21,160 INFO L93 Difference]: Finished difference Result 106 states and 116 transitions. [2025-01-10 01:55:21,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:55:21,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2025-01-10 01:55:21,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:21,164 INFO L225 Difference]: With dead ends: 106 [2025-01-10 01:55:21,164 INFO L226 Difference]: Without dead ends: 104 [2025-01-10 01:55:21,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 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 01:55:21,164 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 18 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:21,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 157 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:55:21,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-01-10 01:55:21,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 85. [2025-01-10 01:55:21,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 44 states have (on average 1.7045454545454546) internal successors, (75), 73 states have internal predecessors, (75), 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 01:55:21,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions. [2025-01-10 01:55:21,177 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 20 [2025-01-10 01:55:21,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:21,177 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 93 transitions. [2025-01-10 01:55:21,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:55:21,177 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2025-01-10 01:55:21,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 01:55:21,178 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:21,178 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:21,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:21,382 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 01:55:21,382 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:21,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:21,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1207432918, now seen corresponding path program 1 times [2025-01-10 01:55:21,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:21,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738450490] [2025-01-10 01:55:21,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:21,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:21,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 01:55:21,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 01:55:21,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:21,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:21,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1150652440] [2025-01-10 01:55:21,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:21,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:21,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:21,402 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 01:55:21,404 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 01:55:21,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 01:55:21,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 01:55:21,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:21,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:21,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:55:21,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:21,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:55:21,466 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:55:21,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:21,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738450490] [2025-01-10 01:55:21,467 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:21,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150652440] [2025-01-10 01:55:21,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150652440] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:21,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:21,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:55:21,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172104584] [2025-01-10 01:55:21,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:21,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:55:21,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:21,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:55:21,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:55:21,470 INFO L87 Difference]: Start difference. First operand 85 states and 93 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 01:55:21,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:21,560 INFO L93 Difference]: Finished difference Result 141 states and 164 transitions. [2025-01-10 01:55:21,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:55:21,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 27 [2025-01-10 01:55:21,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:21,562 INFO L225 Difference]: With dead ends: 141 [2025-01-10 01:55:21,562 INFO L226 Difference]: Without dead ends: 135 [2025-01-10 01:55:21,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:55:21,563 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 44 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:21,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 132 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:55:21,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2025-01-10 01:55:21,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 115. [2025-01-10 01:55:21,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 68 states have (on average 1.7205882352941178) internal successors, (117), 97 states have internal predecessors, (117), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 01:55:21,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 147 transitions. [2025-01-10 01:55:21,573 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 147 transitions. Word has length 27 [2025-01-10 01:55:21,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:21,573 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 147 transitions. [2025-01-10 01:55:21,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 01:55:21,573 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 147 transitions. [2025-01-10 01:55:21,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 01:55:21,573 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:21,574 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:21,581 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 01:55:21,774 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 01:55:21,774 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:21,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:21,775 INFO L85 PathProgramCache]: Analyzing trace with hash -701862708, now seen corresponding path program 1 times [2025-01-10 01:55:21,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:21,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165940749] [2025-01-10 01:55:21,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:21,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:21,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 01:55:21,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 01:55:21,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:21,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:21,968 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 01:55:21,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:21,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165940749] [2025-01-10 01:55:21,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165940749] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:21,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237296560] [2025-01-10 01:55:21,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:21,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:21,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:21,971 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 01:55:21,973 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 01:55:21,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 01:55:22,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 01:55:22,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:22,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:22,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:55:22,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:22,088 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:55:22,088 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:55:22,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237296560] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:22,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:22,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 01:55:22,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482079285] [2025-01-10 01:55:22,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:22,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:55:22,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:22,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:55:22,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:55:22,089 INFO L87 Difference]: Start difference. First operand 115 states and 147 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 01:55:22,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:22,198 INFO L93 Difference]: Finished difference Result 134 states and 154 transitions. [2025-01-10 01:55:22,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:55:22,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 29 [2025-01-10 01:55:22,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:22,199 INFO L225 Difference]: With dead ends: 134 [2025-01-10 01:55:22,200 INFO L226 Difference]: Without dead ends: 131 [2025-01-10 01:55:22,200 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:55:22,200 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 150 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:22,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 138 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:55:22,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-01-10 01:55:22,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 116. [2025-01-10 01:55:22,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 69 states have (on average 1.681159420289855) internal successors, (116), 98 states have internal predecessors, (116), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 01:55:22,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 146 transitions. [2025-01-10 01:55:22,209 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 146 transitions. Word has length 29 [2025-01-10 01:55:22,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:22,209 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 146 transitions. [2025-01-10 01:55:22,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 01:55:22,209 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 146 transitions. [2025-01-10 01:55:22,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 01:55:22,210 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:22,210 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:22,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:22,410 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 01:55:22,411 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:22,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:22,411 INFO L85 PathProgramCache]: Analyzing trace with hash -282907415, now seen corresponding path program 1 times [2025-01-10 01:55:22,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:22,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995875280] [2025-01-10 01:55:22,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:22,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:22,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 01:55:22,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 01:55:22,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:22,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:22,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [796294579] [2025-01-10 01:55:22,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:22,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:22,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:22,435 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 01:55:22,436 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 01:55:22,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 01:55:22,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 01:55:22,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:22,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:22,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:55:22,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:22,528 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:55:22,528 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:55:22,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:22,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995875280] [2025-01-10 01:55:22,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:22,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796294579] [2025-01-10 01:55:22,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796294579] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:22,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:22,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:55:22,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691917486] [2025-01-10 01:55:22,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:22,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:55:22,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:22,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:55:22,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:55:22,530 INFO L87 Difference]: Start difference. First operand 116 states and 146 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 01:55:22,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:22,648 INFO L93 Difference]: Finished difference Result 134 states and 151 transitions. [2025-01-10 01:55:22,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:55:22,648 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 30 [2025-01-10 01:55:22,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:22,649 INFO L225 Difference]: With dead ends: 134 [2025-01-10 01:55:22,649 INFO L226 Difference]: Without dead ends: 127 [2025-01-10 01:55:22,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:55:22,652 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 146 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:22,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 141 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:55:22,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-01-10 01:55:22,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 113. [2025-01-10 01:55:22,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 66 states have (on average 1.6666666666666667) internal successors, (110), 95 states have internal predecessors, (110), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 01:55:22,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 140 transitions. [2025-01-10 01:55:22,663 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 140 transitions. Word has length 30 [2025-01-10 01:55:22,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:22,664 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 140 transitions. [2025-01-10 01:55:22,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 01:55:22,664 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 140 transitions. [2025-01-10 01:55:22,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-10 01:55:22,664 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:22,665 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] [2025-01-10 01:55:22,672 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 01:55:22,869 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 01:55:22,869 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:22,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:22,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1673641198, now seen corresponding path program 1 times [2025-01-10 01:55:22,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:22,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480371727] [2025-01-10 01:55:22,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:22,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:22,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 01:55:22,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 01:55:22,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:22,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:22,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1652840805] [2025-01-10 01:55:22,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:22,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:22,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:22,884 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 01:55:22,885 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 01:55:22,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 01:55:22,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 01:55:22,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:22,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:22,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:55:22,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:22,959 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 01:55:22,959 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:55:22,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:22,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480371727] [2025-01-10 01:55:22,960 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:22,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652840805] [2025-01-10 01:55:22,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652840805] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:22,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:22,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:55:22,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141016297] [2025-01-10 01:55:22,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:22,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:55:22,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:22,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:55:22,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:55:22,961 INFO L87 Difference]: Start difference. First operand 113 states and 140 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, (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 01:55:23,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:23,092 INFO L93 Difference]: Finished difference Result 177 states and 245 transitions. [2025-01-10 01:55:23,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:55:23,092 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, (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 37 [2025-01-10 01:55:23,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:23,094 INFO L225 Difference]: With dead ends: 177 [2025-01-10 01:55:23,094 INFO L226 Difference]: Without dead ends: 172 [2025-01-10 01:55:23,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 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 01:55:23,095 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 72 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:23,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 100 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:55:23,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2025-01-10 01:55:23,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 156. [2025-01-10 01:55:23,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 101 states have (on average 1.6534653465346534) internal successors, (167), 130 states have internal predecessors, (167), 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 01:55:23,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 213 transitions. [2025-01-10 01:55:23,106 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 213 transitions. Word has length 37 [2025-01-10 01:55:23,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:23,106 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 213 transitions. [2025-01-10 01:55:23,106 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, (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 01:55:23,107 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 213 transitions. [2025-01-10 01:55:23,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 01:55:23,109 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:23,110 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] [2025-01-10 01:55:23,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:23,314 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 01:55:23,314 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:23,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:23,314 INFO L85 PathProgramCache]: Analyzing trace with hash 343269652, now seen corresponding path program 1 times [2025-01-10 01:55:23,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:23,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866136033] [2025-01-10 01:55:23,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:23,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:23,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 01:55:23,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 01:55:23,325 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:23,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:23,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1191754301] [2025-01-10 01:55:23,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:23,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:23,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:23,327 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 01:55:23,329 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 01:55:23,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 01:55:23,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 01:55:23,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:23,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:23,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:55:23,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:23,401 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 01:55:23,401 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:55:23,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:23,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866136033] [2025-01-10 01:55:23,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:23,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191754301] [2025-01-10 01:55:23,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191754301] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:23,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:23,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:55:23,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558290843] [2025-01-10 01:55:23,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:23,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:55:23,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:23,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:55:23,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:55:23,403 INFO L87 Difference]: Start difference. First operand 156 states and 213 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, (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 01:55:23,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:23,522 INFO L93 Difference]: Finished difference Result 175 states and 236 transitions. [2025-01-10 01:55:23,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:55:23,524 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, (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 38 [2025-01-10 01:55:23,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:23,525 INFO L225 Difference]: With dead ends: 175 [2025-01-10 01:55:23,525 INFO L226 Difference]: Without dead ends: 172 [2025-01-10 01:55:23,525 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 01:55:23,525 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 97 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:23,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 81 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:55:23,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2025-01-10 01:55:23,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 157. [2025-01-10 01:55:23,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 102 states have (on average 1.607843137254902) internal successors, (164), 131 states have internal predecessors, (164), 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 01:55:23,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 210 transitions. [2025-01-10 01:55:23,547 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 210 transitions. Word has length 38 [2025-01-10 01:55:23,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:23,547 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 210 transitions. [2025-01-10 01:55:23,547 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, (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 01:55:23,547 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 210 transitions. [2025-01-10 01:55:23,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-01-10 01:55:23,548 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:23,548 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:23,556 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 01:55:23,748 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 01:55:23,748 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:23,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:23,749 INFO L85 PathProgramCache]: Analyzing trace with hash -550625275, now seen corresponding path program 1 times [2025-01-10 01:55:23,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:23,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080543712] [2025-01-10 01:55:23,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:23,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:23,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-10 01:55:23,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-10 01:55:23,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:23,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:23,812 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-10 01:55:23,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:23,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080543712] [2025-01-10 01:55:23,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080543712] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:23,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:23,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:55:23,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837984470] [2025-01-10 01:55:23,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:23,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:55:23,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:23,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:55:23,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:55:23,815 INFO L87 Difference]: Start difference. First operand 157 states and 210 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 01:55:23,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:23,953 INFO L93 Difference]: Finished difference Result 190 states and 239 transitions. [2025-01-10 01:55:23,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:55:23,953 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), 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 58 [2025-01-10 01:55:23,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:23,954 INFO L225 Difference]: With dead ends: 190 [2025-01-10 01:55:23,955 INFO L226 Difference]: Without dead ends: 188 [2025-01-10 01:55:23,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:55:23,956 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 111 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:23,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 89 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:55:23,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2025-01-10 01:55:23,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 159. [2025-01-10 01:55:23,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 104 states have (on average 1.5769230769230769) internal successors, (164), 133 states have internal predecessors, (164), 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 01:55:23,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 210 transitions. [2025-01-10 01:55:23,971 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 210 transitions. Word has length 58 [2025-01-10 01:55:23,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:23,971 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 210 transitions. [2025-01-10 01:55:23,971 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), 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 01:55:23,971 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 210 transitions. [2025-01-10 01:55:23,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-01-10 01:55:23,973 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:23,973 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:23,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 01:55:23,974 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:23,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:23,974 INFO L85 PathProgramCache]: Analyzing trace with hash 110485740, now seen corresponding path program 1 times [2025-01-10 01:55:23,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:23,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992640174] [2025-01-10 01:55:23,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:23,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:23,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-10 01:55:24,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-10 01:55:24,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:24,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:24,063 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-10 01:55:24,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:24,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992640174] [2025-01-10 01:55:24,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992640174] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:24,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:24,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:55:24,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967362682] [2025-01-10 01:55:24,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:24,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:55:24,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:24,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:55:24,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:55:24,065 INFO L87 Difference]: Start difference. First operand 159 states and 210 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 01:55:24,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:24,186 INFO L93 Difference]: Finished difference Result 190 states and 235 transitions. [2025-01-10 01:55:24,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:55:24,187 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), 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 59 [2025-01-10 01:55:24,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:24,188 INFO L225 Difference]: With dead ends: 190 [2025-01-10 01:55:24,189 INFO L226 Difference]: Without dead ends: 188 [2025-01-10 01:55:24,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:55:24,190 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 108 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:24,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 91 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:55:24,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2025-01-10 01:55:24,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 161. [2025-01-10 01:55:24,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 106 states have (on average 1.5471698113207548) internal successors, (164), 135 states have internal predecessors, (164), 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 01:55:24,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 210 transitions. [2025-01-10 01:55:24,202 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 210 transitions. Word has length 59 [2025-01-10 01:55:24,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:24,203 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 210 transitions. [2025-01-10 01:55:24,203 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), 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 01:55:24,203 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 210 transitions. [2025-01-10 01:55:24,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-01-10 01:55:24,205 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:24,205 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:24,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-10 01:55:24,206 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:24,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:24,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1197383548, now seen corresponding path program 1 times [2025-01-10 01:55:24,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:24,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870779012] [2025-01-10 01:55:24,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:24,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:24,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 01:55:24,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 01:55:24,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:24,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-10 01:55:24,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:24,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870779012] [2025-01-10 01:55:24,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870779012] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:24,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:24,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:55:24,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257584133] [2025-01-10 01:55:24,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:24,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:55:24,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:24,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:55:24,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:55:24,269 INFO L87 Difference]: Start difference. First operand 161 states and 210 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 01:55:24,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:24,308 INFO L93 Difference]: Finished difference Result 166 states and 210 transitions. [2025-01-10 01:55:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:55:24,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2025-01-10 01:55:24,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:24,309 INFO L225 Difference]: With dead ends: 166 [2025-01-10 01:55:24,309 INFO L226 Difference]: Without dead ends: 165 [2025-01-10 01:55:24,310 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 01:55:24,310 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 13 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:24,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 140 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:55:24,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2025-01-10 01:55:24,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 161. [2025-01-10 01:55:24,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 106 states have (on average 1.5377358490566038) internal successors, (163), 135 states have internal predecessors, (163), 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 01:55:24,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 209 transitions. [2025-01-10 01:55:24,318 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 209 transitions. Word has length 61 [2025-01-10 01:55:24,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:24,319 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 209 transitions. [2025-01-10 01:55:24,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 01:55:24,319 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 209 transitions. [2025-01-10 01:55:24,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-01-10 01:55:24,319 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:24,319 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:24,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 01:55:24,320 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:24,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:24,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1197383506, now seen corresponding path program 1 times [2025-01-10 01:55:24,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:24,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771394839] [2025-01-10 01:55:24,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:24,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:24,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 01:55:24,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 01:55:24,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:24,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:24,390 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-10 01:55:24,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:24,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771394839] [2025-01-10 01:55:24,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771394839] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:24,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201088049] [2025-01-10 01:55:24,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:24,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:24,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:24,392 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 01:55:24,394 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 01:55:24,416 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 01:55:24,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 01:55:24,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:24,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:24,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:55:24,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:24,513 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-10 01:55:24,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:24,605 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-10 01:55:24,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201088049] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:55:24,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:55:24,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2025-01-10 01:55:24,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181366887] [2025-01-10 01:55:24,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:24,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:55:24,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:24,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:55:24,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:55:24,607 INFO L87 Difference]: Start difference. First operand 161 states and 209 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-01-10 01:55:24,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:24,703 INFO L93 Difference]: Finished difference Result 161 states and 209 transitions. [2025-01-10 01:55:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:55:24,705 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 61 [2025-01-10 01:55:24,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:24,706 INFO L225 Difference]: With dead ends: 161 [2025-01-10 01:55:24,706 INFO L226 Difference]: Without dead ends: 159 [2025-01-10 01:55:24,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:55:24,706 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 27 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:24,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 118 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:55:24,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-01-10 01:55:24,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2025-01-10 01:55:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 106 states have (on average 1.4622641509433962) internal successors, (155), 133 states have internal predecessors, (155), 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 01:55:24,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 201 transitions. [2025-01-10 01:55:24,718 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 201 transitions. Word has length 61 [2025-01-10 01:55:24,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:24,719 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 201 transitions. [2025-01-10 01:55:24,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-01-10 01:55:24,719 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 201 transitions. [2025-01-10 01:55:24,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-01-10 01:55:24,721 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:24,721 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:24,727 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 01:55:24,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:24,922 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:24,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:24,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1535815786, now seen corresponding path program 1 times [2025-01-10 01:55:24,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:24,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306735271] [2025-01-10 01:55:24,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:24,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:24,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-10 01:55:24,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-10 01:55:24,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:24,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-10 01:55:24,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:24,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306735271] [2025-01-10 01:55:24,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306735271] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:24,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:24,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:55:24,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105168594] [2025-01-10 01:55:24,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:24,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:55:24,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:24,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:55:24,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:55:24,978 INFO L87 Difference]: Start difference. First operand 159 states and 201 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 01:55:25,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:25,041 INFO L93 Difference]: Finished difference Result 159 states and 201 transitions. [2025-01-10 01:55:25,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:55:25,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2025-01-10 01:55:25,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:25,043 INFO L225 Difference]: With dead ends: 159 [2025-01-10 01:55:25,043 INFO L226 Difference]: Without dead ends: 158 [2025-01-10 01:55:25,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:55:25,044 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 98 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:25,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 159 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:55:25,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-01-10 01:55:25,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2025-01-10 01:55:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 106 states have (on average 1.4433962264150944) internal successors, (153), 132 states have internal predecessors, (153), 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 01:55:25,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 199 transitions. [2025-01-10 01:55:25,052 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 199 transitions. Word has length 62 [2025-01-10 01:55:25,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:25,052 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 199 transitions. [2025-01-10 01:55:25,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 01:55:25,053 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 199 transitions. [2025-01-10 01:55:25,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-01-10 01:55:25,053 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:25,053 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:25,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-10 01:55:25,054 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:25,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:25,054 INFO L85 PathProgramCache]: Analyzing trace with hash 365649222, now seen corresponding path program 1 times [2025-01-10 01:55:25,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:25,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938106716] [2025-01-10 01:55:25,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:25,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:25,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-10 01:55:25,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-10 01:55:25,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:25,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:25,121 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-10 01:55:25,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:25,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938106716] [2025-01-10 01:55:25,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938106716] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:25,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:25,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:55:25,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055696013] [2025-01-10 01:55:25,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:25,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:55:25,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:25,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:55:25,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:55:25,122 INFO L87 Difference]: Start difference. First operand 158 states and 199 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 01:55:25,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:25,250 INFO L93 Difference]: Finished difference Result 179 states and 212 transitions. [2025-01-10 01:55:25,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:55:25,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 63 [2025-01-10 01:55:25,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:25,251 INFO L225 Difference]: With dead ends: 179 [2025-01-10 01:55:25,252 INFO L226 Difference]: Without dead ends: 177 [2025-01-10 01:55:25,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:55:25,253 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 40 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:25,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 165 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:55:25,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2025-01-10 01:55:25,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 162. [2025-01-10 01:55:25,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 110 states have (on average 1.4272727272727272) internal successors, (157), 136 states have internal predecessors, (157), 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 01:55:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 203 transitions. [2025-01-10 01:55:25,261 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 203 transitions. Word has length 63 [2025-01-10 01:55:25,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:25,262 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 203 transitions. [2025-01-10 01:55:25,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 01:55:25,263 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 203 transitions. [2025-01-10 01:55:25,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-10 01:55:25,263 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:25,263 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-01-10 01:55:25,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-10 01:55:25,264 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:25,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:25,264 INFO L85 PathProgramCache]: Analyzing trace with hash -174828145, now seen corresponding path program 1 times [2025-01-10 01:55:25,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:25,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219271349] [2025-01-10 01:55:25,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:25,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:25,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-10 01:55:25,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 01:55:25,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:25,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:25,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1402579817] [2025-01-10 01:55:25,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:25,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:25,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:25,284 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 01:55:25,286 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 01:55:25,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-10 01:55:25,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 01:55:25,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:25,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:25,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:55:25,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:25,566 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-10 01:55:25,566 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:25,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:25,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219271349] [2025-01-10 01:55:25,724 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:25,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402579817] [2025-01-10 01:55:25,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402579817] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:25,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:25,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:55:25,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046417978] [2025-01-10 01:55:25,725 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:25,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:55:25,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:25,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:55:25,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:55:25,725 INFO L87 Difference]: Start difference. First operand 162 states and 203 transitions. Second operand has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 01:55:26,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:26,143 INFO L93 Difference]: Finished difference Result 253 states and 316 transitions. [2025-01-10 01:55:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:55:26,143 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 72 [2025-01-10 01:55:26,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:26,144 INFO L225 Difference]: With dead ends: 253 [2025-01-10 01:55:26,144 INFO L226 Difference]: Without dead ends: 245 [2025-01-10 01:55:26,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2025-01-10 01:55:26,146 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 289 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:26,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 300 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:26,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2025-01-10 01:55:26,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 224. [2025-01-10 01:55:26,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 162 states have (on average 1.4320987654320987) internal successors, (232), 188 states have internal predecessors, (232), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-01-10 01:55:26,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 298 transitions. [2025-01-10 01:55:26,160 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 298 transitions. Word has length 72 [2025-01-10 01:55:26,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:26,160 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 298 transitions. [2025-01-10 01:55:26,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 01:55:26,161 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 298 transitions. [2025-01-10 01:55:26,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-01-10 01:55:26,161 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:26,161 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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 01:55:26,167 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 01:55:26,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:26,362 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:26,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:26,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1124705150, now seen corresponding path program 1 times [2025-01-10 01:55:26,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:26,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748479879] [2025-01-10 01:55:26,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:26,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:26,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-01-10 01:55:26,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-10 01:55:26,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:26,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:26,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [59677695] [2025-01-10 01:55:26,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:26,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:26,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:26,379 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 01:55:26,381 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 01:55:26,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-01-10 01:55:26,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-10 01:55:26,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:26,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:26,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:55:26,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:26,640 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-10 01:55:26,641 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:26,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:26,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748479879] [2025-01-10 01:55:26,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:26,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59677695] [2025-01-10 01:55:26,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59677695] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:26,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:26,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:55:26,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801259218] [2025-01-10 01:55:26,891 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:26,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:55:26,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:26,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:55:26,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:55:26,892 INFO L87 Difference]: Start difference. First operand 224 states and 298 transitions. Second operand has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 01:55:27,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:27,240 INFO L93 Difference]: Finished difference Result 308 states and 398 transitions. [2025-01-10 01:55:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:55:27,240 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 73 [2025-01-10 01:55:27,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:27,241 INFO L225 Difference]: With dead ends: 308 [2025-01-10 01:55:27,241 INFO L226 Difference]: Without dead ends: 305 [2025-01-10 01:55:27,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:55:27,242 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 245 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:27,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 311 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:27,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2025-01-10 01:55:27,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 277. [2025-01-10 01:55:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 205 states have (on average 1.4195121951219511) internal successors, (291), 231 states have internal predecessors, (291), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2025-01-10 01:55:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 377 transitions. [2025-01-10 01:55:27,256 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 377 transitions. Word has length 73 [2025-01-10 01:55:27,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:27,256 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 377 transitions. [2025-01-10 01:55:27,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 01:55:27,256 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 377 transitions. [2025-01-10 01:55:27,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-10 01:55:27,257 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:27,257 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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 01:55:27,263 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 01:55:27,457 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,SelfDestructingSolverStorable14 [2025-01-10 01:55:27,458 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:27,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:27,458 INFO L85 PathProgramCache]: Analyzing trace with hash -506121231, now seen corresponding path program 1 times [2025-01-10 01:55:27,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:27,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657103698] [2025-01-10 01:55:27,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:27,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:27,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 01:55:27,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 01:55:27,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:27,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:27,520 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-01-10 01:55:27,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:27,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657103698] [2025-01-10 01:55:27,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657103698] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:27,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:27,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:55:27,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718129118] [2025-01-10 01:55:27,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:27,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:55:27,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:27,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:55:27,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:55:27,521 INFO L87 Difference]: Start difference. First operand 277 states and 377 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-01-10 01:55:27,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:27,850 INFO L93 Difference]: Finished difference Result 404 states and 553 transitions. [2025-01-10 01:55:27,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:55:27,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 74 [2025-01-10 01:55:27,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:27,852 INFO L225 Difference]: With dead ends: 404 [2025-01-10 01:55:27,852 INFO L226 Difference]: Without dead ends: 401 [2025-01-10 01:55:27,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:55:27,853 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 123 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:27,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 196 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:27,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-01-10 01:55:27,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 283. [2025-01-10 01:55:27,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 211 states have (on average 1.3838862559241707) internal successors, (292), 235 states have internal predecessors, (292), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-01-10 01:55:27,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 382 transitions. [2025-01-10 01:55:27,870 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 382 transitions. Word has length 74 [2025-01-10 01:55:27,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:27,870 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 382 transitions. [2025-01-10 01:55:27,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-01-10 01:55:27,870 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 382 transitions. [2025-01-10 01:55:27,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-10 01:55:27,870 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:27,870 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:27,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-10 01:55:27,871 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:27,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:27,871 INFO L85 PathProgramCache]: Analyzing trace with hash 496260872, now seen corresponding path program 1 times [2025-01-10 01:55:27,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:27,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908932331] [2025-01-10 01:55:27,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:27,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:27,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 01:55:27,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 01:55:27,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:27,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:27,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1670683641] [2025-01-10 01:55:27,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:27,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:27,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:27,883 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 01:55:27,885 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 01:55:27,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 01:55:27,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 01:55:27,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:27,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:27,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 01:55:27,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:28,092 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-10 01:55:28,092 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:28,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:28,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908932331] [2025-01-10 01:55:28,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:28,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670683641] [2025-01-10 01:55:28,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670683641] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:28,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:28,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-01-10 01:55:28,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23446862] [2025-01-10 01:55:28,152 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:28,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:55:28,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:28,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:55:28,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:55:28,152 INFO L87 Difference]: Start difference. First operand 283 states and 382 transitions. Second operand has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 01:55:28,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:28,499 INFO L93 Difference]: Finished difference Result 323 states and 443 transitions. [2025-01-10 01:55:28,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:55:28,500 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 74 [2025-01-10 01:55:28,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:28,501 INFO L225 Difference]: With dead ends: 323 [2025-01-10 01:55:28,501 INFO L226 Difference]: Without dead ends: 317 [2025-01-10 01:55:28,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-01-10 01:55:28,502 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 186 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:28,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 200 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:28,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-01-10 01:55:28,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 277. [2025-01-10 01:55:28,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 211 states have (on average 1.3127962085308056) internal successors, (277), 229 states have internal predecessors, (277), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-01-10 01:55:28,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 367 transitions. [2025-01-10 01:55:28,519 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 367 transitions. Word has length 74 [2025-01-10 01:55:28,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:28,519 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 367 transitions. [2025-01-10 01:55:28,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 01:55:28,519 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 367 transitions. [2025-01-10 01:55:28,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-01-10 01:55:28,520 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:28,520 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-01-10 01:55:28,526 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 01:55:28,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 01:55:28,724 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:28,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:28,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1490111076, now seen corresponding path program 1 times [2025-01-10 01:55:28,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:28,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987418614] [2025-01-10 01:55:28,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:28,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:28,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-10 01:55:28,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 01:55:28,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:28,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:28,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [412645839] [2025-01-10 01:55:28,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:28,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:28,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:28,742 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 01:55:28,743 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 01:55:28,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-10 01:55:28,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 01:55:28,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:28,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:28,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 01:55:28,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:29,040 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-10 01:55:29,041 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:29,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:29,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987418614] [2025-01-10 01:55:29,396 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:29,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412645839] [2025-01-10 01:55:29,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412645839] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:29,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:29,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 01:55:29,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883059974] [2025-01-10 01:55:29,396 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:29,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:55:29,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:29,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:55:29,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:55:29,397 INFO L87 Difference]: Start difference. First operand 277 states and 367 transitions. Second operand has 11 states, 10 states have (on average 3.9) internal successors, (39), 11 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 01:55:29,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:29,854 INFO L93 Difference]: Finished difference Result 296 states and 377 transitions. [2025-01-10 01:55:29,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 01:55:29,854 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.9) internal successors, (39), 11 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 75 [2025-01-10 01:55:29,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:29,856 INFO L225 Difference]: With dead ends: 296 [2025-01-10 01:55:29,856 INFO L226 Difference]: Without dead ends: 289 [2025-01-10 01:55:29,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2025-01-10 01:55:29,856 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 230 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:29,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 341 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:29,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2025-01-10 01:55:29,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 275. [2025-01-10 01:55:29,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 209 states have (on average 1.2966507177033493) internal successors, (271), 227 states have internal predecessors, (271), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-01-10 01:55:29,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 361 transitions. [2025-01-10 01:55:29,872 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 361 transitions. Word has length 75 [2025-01-10 01:55:29,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:29,873 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 361 transitions. [2025-01-10 01:55:29,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.9) internal successors, (39), 11 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 01:55:29,873 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 361 transitions. [2025-01-10 01:55:29,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-01-10 01:55:29,873 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:29,873 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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, 1, 1] [2025-01-10 01:55:29,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:30,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 01:55:30,078 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:30,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:30,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1795782086, now seen corresponding path program 1 times [2025-01-10 01:55:30,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:30,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356200603] [2025-01-10 01:55:30,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:30,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:30,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-10 01:55:30,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 01:55:30,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:30,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:30,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [862633834] [2025-01-10 01:55:30,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:30,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:30,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:30,091 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 01:55:30,092 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 01:55:30,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-10 01:55:30,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 01:55:30,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:30,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:30,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 01:55:30,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-10 01:55:30,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:30,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:30,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356200603] [2025-01-10 01:55:30,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:30,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862633834] [2025-01-10 01:55:30,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862633834] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:30,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:30,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-01-10 01:55:30,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047998984] [2025-01-10 01:55:30,422 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:30,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:55:30,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:30,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:55:30,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:55:30,423 INFO L87 Difference]: Start difference. First operand 275 states and 361 transitions. Second operand has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 01:55:30,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:30,834 INFO L93 Difference]: Finished difference Result 552 states and 762 transitions. [2025-01-10 01:55:30,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:55:30,835 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 75 [2025-01-10 01:55:30,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:30,837 INFO L225 Difference]: With dead ends: 552 [2025-01-10 01:55:30,837 INFO L226 Difference]: Without dead ends: 548 [2025-01-10 01:55:30,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2025-01-10 01:55:30,838 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 494 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:30,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 296 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:30,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2025-01-10 01:55:30,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 439. [2025-01-10 01:55:30,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 343 states have (on average 1.2973760932944607) internal successors, (445), 361 states have internal predecessors, (445), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-01-10 01:55:30,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 595 transitions. [2025-01-10 01:55:30,869 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 595 transitions. Word has length 75 [2025-01-10 01:55:30,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:30,870 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 595 transitions. [2025-01-10 01:55:30,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 01:55:30,870 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 595 transitions. [2025-01-10 01:55:30,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-01-10 01:55:30,871 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:30,871 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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, 1, 1, 1, 1] [2025-01-10 01:55:30,877 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 01:55:31,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:31,071 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:31,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:31,072 INFO L85 PathProgramCache]: Analyzing trace with hash 371362694, now seen corresponding path program 1 times [2025-01-10 01:55:31,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:31,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987843989] [2025-01-10 01:55:31,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:31,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:31,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-10 01:55:31,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-10 01:55:31,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:31,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:31,128 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-01-10 01:55:31,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:31,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987843989] [2025-01-10 01:55:31,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987843989] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:31,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409069540] [2025-01-10 01:55:31,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:31,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:31,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:31,131 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 01:55:31,132 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 01:55:31,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-10 01:55:31,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-10 01:55:31,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:31,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:31,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:55:31,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-01-10 01:55:31,211 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:31,303 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-01-10 01:55:31,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409069540] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:55:31,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:55:31,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2025-01-10 01:55:31,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864481793] [2025-01-10 01:55:31,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:31,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:55:31,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:31,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:55:31,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:55:31,305 INFO L87 Difference]: Start difference. First operand 439 states and 595 transitions. Second operand has 11 states, 10 states have (on average 9.8) internal successors, (98), 11 states have internal predecessors, (98), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-01-10 01:55:31,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:31,785 INFO L93 Difference]: Finished difference Result 704 states and 959 transitions. [2025-01-10 01:55:31,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 01:55:31,785 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.8) internal successors, (98), 11 states have internal predecessors, (98), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 96 [2025-01-10 01:55:31,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:31,788 INFO L225 Difference]: With dead ends: 704 [2025-01-10 01:55:31,788 INFO L226 Difference]: Without dead ends: 702 [2025-01-10 01:55:31,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:55:31,788 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 521 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:31,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 436 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:55:31,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2025-01-10 01:55:31,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 578. [2025-01-10 01:55:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 454 states have (on average 1.2885462555066078) internal successors, (585), 471 states have internal predecessors, (585), 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 01:55:31,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 793 transitions. [2025-01-10 01:55:31,823 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 793 transitions. Word has length 96 [2025-01-10 01:55:31,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:31,823 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 793 transitions. [2025-01-10 01:55:31,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.8) internal successors, (98), 11 states have internal predecessors, (98), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-01-10 01:55:31,824 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 793 transitions. [2025-01-10 01:55:31,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-01-10 01:55:31,824 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:31,824 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2025-01-10 01:55:31,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-10 01:55:32,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:32,029 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:32,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:32,029 INFO L85 PathProgramCache]: Analyzing trace with hash 397266078, now seen corresponding path program 1 times [2025-01-10 01:55:32,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:32,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071092062] [2025-01-10 01:55:32,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:32,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:32,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 01:55:32,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 01:55:32,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:32,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-01-10 01:55:32,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:32,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071092062] [2025-01-10 01:55:32,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071092062] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:32,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:32,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:55:32,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033074082] [2025-01-10 01:55:32,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:32,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:55:32,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:32,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:55:32,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:55:32,069 INFO L87 Difference]: Start difference. First operand 578 states and 793 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-10 01:55:32,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:32,146 INFO L93 Difference]: Finished difference Result 578 states and 793 transitions. [2025-01-10 01:55:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:55:32,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 98 [2025-01-10 01:55:32,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:32,148 INFO L225 Difference]: With dead ends: 578 [2025-01-10 01:55:32,148 INFO L226 Difference]: Without dead ends: 577 [2025-01-10 01:55:32,149 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:55:32,149 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 16 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:32,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 147 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:55:32,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-01-10 01:55:32,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2025-01-10 01:55:32,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 454 states have (on average 1.2797356828193833) internal successors, (581), 470 states have internal predecessors, (581), 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 01:55:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 789 transitions. [2025-01-10 01:55:32,182 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 789 transitions. Word has length 98 [2025-01-10 01:55:32,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:32,182 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 789 transitions. [2025-01-10 01:55:32,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-10 01:55:32,182 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 789 transitions. [2025-01-10 01:55:32,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-01-10 01:55:32,183 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:32,183 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:32,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-01-10 01:55:32,183 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:32,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:32,183 INFO L85 PathProgramCache]: Analyzing trace with hash -479384864, now seen corresponding path program 1 times [2025-01-10 01:55:32,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:32,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267266107] [2025-01-10 01:55:32,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:32,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:32,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 01:55:32,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 01:55:32,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:32,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:32,241 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-01-10 01:55:32,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:32,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267266107] [2025-01-10 01:55:32,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267266107] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:32,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124080700] [2025-01-10 01:55:32,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:32,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:32,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:32,243 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 01:55:32,245 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 01:55:32,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 01:55:32,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 01:55:32,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:32,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:32,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:55:32,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:32,383 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-01-10 01:55:32,383 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:55:32,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124080700] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:32,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:32,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-01-10 01:55:32,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494477000] [2025-01-10 01:55:32,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:32,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:55:32,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:32,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:55:32,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:55:32,385 INFO L87 Difference]: Start difference. First operand 577 states and 789 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-01-10 01:55:32,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:32,504 INFO L93 Difference]: Finished difference Result 594 states and 820 transitions. [2025-01-10 01:55:32,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:55:32,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 100 [2025-01-10 01:55:32,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:32,507 INFO L225 Difference]: With dead ends: 594 [2025-01-10 01:55:32,507 INFO L226 Difference]: Without dead ends: 593 [2025-01-10 01:55:32,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:55:32,508 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 49 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:32,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 106 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:55:32,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2025-01-10 01:55:32,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 576. [2025-01-10 01:55:32,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 454 states have (on average 1.2709251101321586) internal successors, (577), 469 states have internal predecessors, (577), 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 01:55:32,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 785 transitions. [2025-01-10 01:55:32,545 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 785 transitions. Word has length 100 [2025-01-10 01:55:32,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:32,546 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 785 transitions. [2025-01-10 01:55:32,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-01-10 01:55:32,546 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 785 transitions. [2025-01-10 01:55:32,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-01-10 01:55:32,546 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:32,546 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:32,552 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 01:55:32,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:32,748 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:32,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:32,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1976028782, now seen corresponding path program 1 times [2025-01-10 01:55:32,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:32,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161594228] [2025-01-10 01:55:32,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:32,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:32,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-01-10 01:55:32,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-01-10 01:55:32,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:32,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:32,822 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-01-10 01:55:32,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:32,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161594228] [2025-01-10 01:55:32,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161594228] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:32,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538747597] [2025-01-10 01:55:32,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:32,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:32,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:32,825 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 01:55:32,827 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 01:55:32,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-01-10 01:55:32,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-01-10 01:55:32,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:32,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:32,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:55:32,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:32,977 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-01-10 01:55:32,977 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-01-10 01:55:33,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538747597] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:55:33,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:55:33,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-01-10 01:55:33,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043753905] [2025-01-10 01:55:33,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:33,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:55:33,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:33,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:55:33,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:55:33,078 INFO L87 Difference]: Start difference. First operand 576 states and 785 transitions. Second operand has 11 states, 10 states have (on average 12.3) internal successors, (123), 11 states have internal predecessors, (123), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-01-10 01:55:33,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:33,384 INFO L93 Difference]: Finished difference Result 844 states and 1165 transitions. [2025-01-10 01:55:33,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:55:33,384 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.3) internal successors, (123), 11 states have internal predecessors, (123), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 101 [2025-01-10 01:55:33,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:33,387 INFO L225 Difference]: With dead ends: 844 [2025-01-10 01:55:33,387 INFO L226 Difference]: Without dead ends: 842 [2025-01-10 01:55:33,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:55:33,388 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 206 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:33,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 308 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:55:33,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2025-01-10 01:55:33,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 713. [2025-01-10 01:55:33,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 569 states have (on average 1.2706502636203867) internal successors, (723), 584 states have internal predecessors, (723), 126 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2025-01-10 01:55:33,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 975 transitions. [2025-01-10 01:55:33,439 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 975 transitions. Word has length 101 [2025-01-10 01:55:33,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:33,439 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 975 transitions. [2025-01-10 01:55:33,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.3) internal successors, (123), 11 states have internal predecessors, (123), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-01-10 01:55:33,439 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 975 transitions. [2025-01-10 01:55:33,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-10 01:55:33,440 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:33,440 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:33,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 01:55:33,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:33,641 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:33,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:33,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1328073419, now seen corresponding path program 1 times [2025-01-10 01:55:33,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:33,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782770809] [2025-01-10 01:55:33,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:33,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:33,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-10 01:55:33,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 01:55:33,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:33,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:33,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1689891124] [2025-01-10 01:55:33,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:33,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:33,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:33,665 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 01:55:33,667 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 01:55:33,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-10 01:55:33,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 01:55:33,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:33,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:33,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 01:55:33,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:34,138 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-01-10 01:55:34,138 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:34,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:34,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782770809] [2025-01-10 01:55:34,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:34,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689891124] [2025-01-10 01:55:34,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689891124] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:34,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:34,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 01:55:34,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211744149] [2025-01-10 01:55:34,264 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:34,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:55:34,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:34,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:55:34,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:55:34,265 INFO L87 Difference]: Start difference. First operand 713 states and 975 transitions. Second operand has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2025-01-10 01:55:34,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:34,710 INFO L93 Difference]: Finished difference Result 793 states and 1081 transitions. [2025-01-10 01:55:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:55:34,710 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 109 [2025-01-10 01:55:34,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:34,713 INFO L225 Difference]: With dead ends: 793 [2025-01-10 01:55:34,713 INFO L226 Difference]: Without dead ends: 790 [2025-01-10 01:55:34,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2025-01-10 01:55:34,714 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 202 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:34,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 341 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:34,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2025-01-10 01:55:34,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 775. [2025-01-10 01:55:34,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 619 states have (on average 1.2697899838449112) internal successors, (786), 634 states have internal predecessors, (786), 138 states have call successors, (138), 2 states have call predecessors, (138), 2 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2025-01-10 01:55:34,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1062 transitions. [2025-01-10 01:55:34,773 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1062 transitions. Word has length 109 [2025-01-10 01:55:34,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:34,774 INFO L471 AbstractCegarLoop]: Abstraction has 775 states and 1062 transitions. [2025-01-10 01:55:34,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2025-01-10 01:55:34,774 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1062 transitions. [2025-01-10 01:55:34,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-01-10 01:55:34,775 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:34,776 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:34,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-10 01:55:34,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:34,980 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:34,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:34,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1779397020, now seen corresponding path program 1 times [2025-01-10 01:55:34,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:34,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982696702] [2025-01-10 01:55:34,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:34,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:34,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-10 01:55:34,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-10 01:55:34,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:34,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:34,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [306491838] [2025-01-10 01:55:34,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:34,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:34,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:34,999 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 01:55:35,000 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 01:55:35,021 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-10 01:55:35,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-10 01:55:35,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:35,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:35,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 01:55:35,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:35,432 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-01-10 01:55:35,432 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:35,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:35,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982696702] [2025-01-10 01:55:35,633 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:35,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306491838] [2025-01-10 01:55:35,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306491838] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:35,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:35,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 01:55:35,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564139951] [2025-01-10 01:55:35,633 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:35,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:55:35,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:35,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:55:35,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:55:35,634 INFO L87 Difference]: Start difference. First operand 775 states and 1062 transitions. Second operand has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 12 states have internal predecessors, (54), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2025-01-10 01:55:36,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:36,237 INFO L93 Difference]: Finished difference Result 797 states and 1079 transitions. [2025-01-10 01:55:36,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 01:55:36,237 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 12 states have internal predecessors, (54), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 110 [2025-01-10 01:55:36,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:36,240 INFO L225 Difference]: With dead ends: 797 [2025-01-10 01:55:36,240 INFO L226 Difference]: Without dead ends: 794 [2025-01-10 01:55:36,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:55:36,241 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 227 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:36,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 360 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:55:36,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2025-01-10 01:55:36,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 777. [2025-01-10 01:55:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 621 states have (on average 1.2592592592592593) internal successors, (782), 636 states have internal predecessors, (782), 138 states have call successors, (138), 2 states have call predecessors, (138), 2 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2025-01-10 01:55:36,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1058 transitions. [2025-01-10 01:55:36,297 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1058 transitions. Word has length 110 [2025-01-10 01:55:36,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:36,297 INFO L471 AbstractCegarLoop]: Abstraction has 777 states and 1058 transitions. [2025-01-10 01:55:36,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 12 states have internal predecessors, (54), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2025-01-10 01:55:36,297 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1058 transitions. [2025-01-10 01:55:36,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-01-10 01:55:36,302 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:36,302 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 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, 1, 1, 1, 1] [2025-01-10 01:55:36,307 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 01:55:36,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-01-10 01:55:36,504 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:36,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:36,504 INFO L85 PathProgramCache]: Analyzing trace with hash -673267177, now seen corresponding path program 1 times [2025-01-10 01:55:36,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:36,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842610669] [2025-01-10 01:55:36,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:36,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:36,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-01-10 01:55:36,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-01-10 01:55:36,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:36,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-10 01:55:36,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:36,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842610669] [2025-01-10 01:55:36,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842610669] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:36,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:36,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:55:36,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360190305] [2025-01-10 01:55:36,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:36,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:55:36,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:36,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:55:36,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:55:36,564 INFO L87 Difference]: Start difference. First operand 777 states and 1058 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2025-01-10 01:55:36,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:36,859 INFO L93 Difference]: Finished difference Result 780 states and 1058 transitions. [2025-01-10 01:55:36,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:55:36,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 111 [2025-01-10 01:55:36,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:36,862 INFO L225 Difference]: With dead ends: 780 [2025-01-10 01:55:36,862 INFO L226 Difference]: Without dead ends: 779 [2025-01-10 01:55:36,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:55:36,862 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 81 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:36,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 197 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:55:36,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2025-01-10 01:55:36,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 740. [2025-01-10 01:55:36,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 589 states have (on average 1.2495755517826825) internal successors, (736), 603 states have internal predecessors, (736), 134 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2025-01-10 01:55:36,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1004 transitions. [2025-01-10 01:55:36,906 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1004 transitions. Word has length 111 [2025-01-10 01:55:36,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:36,906 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 1004 transitions. [2025-01-10 01:55:36,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2025-01-10 01:55:36,906 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1004 transitions. [2025-01-10 01:55:36,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-01-10 01:55:36,907 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:36,907 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 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, 1, 1, 1] [2025-01-10 01:55:36,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-01-10 01:55:36,907 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:36,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:36,908 INFO L85 PathProgramCache]: Analyzing trace with hash 603554046, now seen corresponding path program 1 times [2025-01-10 01:55:36,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:36,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510977803] [2025-01-10 01:55:36,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:36,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:36,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-01-10 01:55:36,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-01-10 01:55:36,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:36,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:36,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [39449530] [2025-01-10 01:55:36,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:36,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:36,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:36,920 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 01:55:36,922 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 01:55:36,941 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-01-10 01:55:36,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-01-10 01:55:36,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:36,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:36,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-10 01:55:36,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-01-10 01:55:37,362 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:44,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:44,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510977803] [2025-01-10 01:55:44,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:44,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39449530] [2025-01-10 01:55:44,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39449530] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:44,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:44,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 01:55:44,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870789924] [2025-01-10 01:55:44,835 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:44,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:55:44,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:44,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:55:44,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=221, Unknown=2, NotChecked=0, Total=272 [2025-01-10 01:55:44,835 INFO L87 Difference]: Start difference. First operand 740 states and 1004 transitions. Second operand has 11 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2025-01-10 01:55:45,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:45,414 INFO L93 Difference]: Finished difference Result 754 states and 1010 transitions. [2025-01-10 01:55:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 01:55:45,414 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 112 [2025-01-10 01:55:45,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:45,416 INFO L225 Difference]: With dead ends: 754 [2025-01-10 01:55:45,416 INFO L226 Difference]: Without dead ends: 747 [2025-01-10 01:55:45,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=94, Invalid=410, Unknown=2, NotChecked=0, Total=506 [2025-01-10 01:55:45,417 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 161 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:45,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 418 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:55:45,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2025-01-10 01:55:45,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 738. [2025-01-10 01:55:45,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 587 states have (on average 1.2385008517887564) internal successors, (727), 601 states have internal predecessors, (727), 134 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2025-01-10 01:55:45,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 995 transitions. [2025-01-10 01:55:45,462 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 995 transitions. Word has length 112 [2025-01-10 01:55:45,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:45,462 INFO L471 AbstractCegarLoop]: Abstraction has 738 states and 995 transitions. [2025-01-10 01:55:45,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2025-01-10 01:55:45,462 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 995 transitions. [2025-01-10 01:55:45,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-01-10 01:55:45,463 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:45,463 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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 01:55:45,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:45,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:45,663 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:45,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:45,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1612628180, now seen corresponding path program 2 times [2025-01-10 01:55:45,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:45,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900586763] [2025-01-10 01:55:45,664 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:45,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:45,668 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-01-10 01:55:45,676 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-01-10 01:55:45,676 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:45,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:45,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1781312543] [2025-01-10 01:55:45,677 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:45,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:45,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:45,679 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 01:55:45,680 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 01:55:45,700 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-01-10 01:55:45,752 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-01-10 01:55:45,752 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:45,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:45,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 01:55:45,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:45,919 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 3 proven. 28 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-01-10 01:55:45,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:45,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:45,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900586763] [2025-01-10 01:55:45,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:45,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781312543] [2025-01-10 01:55:45,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781312543] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:45,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:45,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:55:45,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693284846] [2025-01-10 01:55:45,979 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:45,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:55:45,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:45,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:55:45,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:55:45,980 INFO L87 Difference]: Start difference. First operand 738 states and 995 transitions. Second operand has 8 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2025-01-10 01:55:46,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:46,229 INFO L93 Difference]: Finished difference Result 861 states and 1174 transitions. [2025-01-10 01:55:46,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:55:46,229 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 112 [2025-01-10 01:55:46,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:46,232 INFO L225 Difference]: With dead ends: 861 [2025-01-10 01:55:46,232 INFO L226 Difference]: Without dead ends: 857 [2025-01-10 01:55:46,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:55:46,232 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 116 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:46,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 148 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:55:46,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2025-01-10 01:55:46,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 628. [2025-01-10 01:55:46,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 497 states have (on average 1.1911468812877264) internal successors, (592), 511 states have internal predecessors, (592), 114 states have call successors, (114), 2 states have call predecessors, (114), 2 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-01-10 01:55:46,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 820 transitions. [2025-01-10 01:55:46,275 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 820 transitions. Word has length 112 [2025-01-10 01:55:46,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:46,275 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 820 transitions. [2025-01-10 01:55:46,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2025-01-10 01:55:46,276 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 820 transitions. [2025-01-10 01:55:46,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-01-10 01:55:46,278 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:46,278 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:46,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:46,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-01-10 01:55:46,478 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:46,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:46,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1039220697, now seen corresponding path program 2 times [2025-01-10 01:55:46,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:46,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731419518] [2025-01-10 01:55:46,479 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:46,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:46,483 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 118 statements into 2 equivalence classes. [2025-01-10 01:55:46,489 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 118 of 118 statements. [2025-01-10 01:55:46,489 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:46,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2025-01-10 01:55:46,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:46,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731419518] [2025-01-10 01:55:46,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731419518] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:46,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:46,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:55:46,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719315923] [2025-01-10 01:55:46,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:46,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:55:46,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:46,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:55:46,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:55:46,526 INFO L87 Difference]: Start difference. First operand 628 states and 820 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-01-10 01:55:46,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:46,847 INFO L93 Difference]: Finished difference Result 787 states and 1025 transitions. [2025-01-10 01:55:46,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:55:46,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 118 [2025-01-10 01:55:46,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:46,849 INFO L225 Difference]: With dead ends: 787 [2025-01-10 01:55:46,849 INFO L226 Difference]: Without dead ends: 423 [2025-01-10 01:55:46,850 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:55:46,851 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 28 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:46,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 147 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:46,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2025-01-10 01:55:46,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 418. [2025-01-10 01:55:46,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 327 states have (on average 1.1957186544342508) internal successors, (391), 341 states have internal predecessors, (391), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2025-01-10 01:55:46,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 539 transitions. [2025-01-10 01:55:46,877 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 539 transitions. Word has length 118 [2025-01-10 01:55:46,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:46,878 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 539 transitions. [2025-01-10 01:55:46,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-01-10 01:55:46,878 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 539 transitions. [2025-01-10 01:55:46,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-01-10 01:55:46,879 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:46,879 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:46,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-01-10 01:55:46,879 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:46,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:46,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1221936463, now seen corresponding path program 2 times [2025-01-10 01:55:46,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:46,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117950520] [2025-01-10 01:55:46,879 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:46,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:46,883 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 146 statements into 2 equivalence classes. [2025-01-10 01:55:46,891 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 146 of 146 statements. [2025-01-10 01:55:46,891 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:46,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:46,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1479194332] [2025-01-10 01:55:46,892 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:46,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:46,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:46,894 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 01:55:46,895 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 01:55:46,919 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 146 statements into 2 equivalence classes. [2025-01-10 01:55:46,940 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 146 of 146 statements. [2025-01-10 01:55:46,941 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:46,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:46,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 01:55:46,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 39 proven. 55 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2025-01-10 01:55:47,427 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:47,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:47,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117950520] [2025-01-10 01:55:47,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:47,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479194332] [2025-01-10 01:55:47,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479194332] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:47,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:47,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2025-01-10 01:55:47,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464638999] [2025-01-10 01:55:47,625 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:47,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-10 01:55:47,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:47,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-10 01:55:47,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:55:47,628 INFO L87 Difference]: Start difference. First operand 418 states and 539 transitions. Second operand has 17 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 8 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2025-01-10 01:55:49,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:49,169 INFO L93 Difference]: Finished difference Result 588 states and 771 transitions. [2025-01-10 01:55:49,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-10 01:55:49,169 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 8 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) Word has length 146 [2025-01-10 01:55:49,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:49,171 INFO L225 Difference]: With dead ends: 588 [2025-01-10 01:55:49,171 INFO L226 Difference]: Without dead ends: 585 [2025-01-10 01:55:49,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=310, Invalid=1412, Unknown=0, NotChecked=0, Total=1722 [2025-01-10 01:55:49,172 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 354 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 2381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:49,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 511 Invalid, 2381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 2305 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-01-10 01:55:49,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2025-01-10 01:55:49,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 548. [2025-01-10 01:55:49,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 434 states have (on average 1.2004608294930876) internal successors, (521), 448 states have internal predecessors, (521), 97 states have call successors, (97), 2 states have call predecessors, (97), 2 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2025-01-10 01:55:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 715 transitions. [2025-01-10 01:55:49,209 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 715 transitions. Word has length 146 [2025-01-10 01:55:49,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:49,209 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 715 transitions. [2025-01-10 01:55:49,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 8 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2025-01-10 01:55:49,210 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 715 transitions. [2025-01-10 01:55:49,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-01-10 01:55:49,210 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:49,210 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 01:55:49,216 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 01:55:49,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:49,415 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:49,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:49,415 INFO L85 PathProgramCache]: Analyzing trace with hash -774675262, now seen corresponding path program 2 times [2025-01-10 01:55:49,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:49,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400987862] [2025-01-10 01:55:49,415 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:49,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:49,419 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 147 statements into 2 equivalence classes. [2025-01-10 01:55:49,434 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 147 of 147 statements. [2025-01-10 01:55:49,435 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:49,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:49,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032929148] [2025-01-10 01:55:49,436 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:49,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:49,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:49,438 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 01:55:49,441 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 01:55:49,461 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 147 statements into 2 equivalence classes. [2025-01-10 01:55:49,490 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 147 of 147 statements. [2025-01-10 01:55:49,491 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:49,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:49,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 01:55:49,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 3 proven. 53 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2025-01-10 01:55:50,011 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:50,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:50,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400987862] [2025-01-10 01:55:50,155 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:50,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032929148] [2025-01-10 01:55:50,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032929148] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:50,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:50,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 01:55:50,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328395155] [2025-01-10 01:55:50,155 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:50,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:55:50,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:50,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:55:50,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:55:50,156 INFO L87 Difference]: Start difference. First operand 548 states and 715 transitions. Second operand has 13 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2025-01-10 01:55:50,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:50,436 INFO L93 Difference]: Finished difference Result 632 states and 822 transitions. [2025-01-10 01:55:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:55:50,436 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) Word has length 147 [2025-01-10 01:55:50,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:50,438 INFO L225 Difference]: With dead ends: 632 [2025-01-10 01:55:50,438 INFO L226 Difference]: Without dead ends: 629 [2025-01-10 01:55:50,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2025-01-10 01:55:50,438 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 169 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:50,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 170 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:55:50,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2025-01-10 01:55:50,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 612. [2025-01-10 01:55:50,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 486 states have (on average 1.1934156378600822) internal successors, (580), 500 states have internal predecessors, (580), 109 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2025-01-10 01:55:50,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 798 transitions. [2025-01-10 01:55:50,480 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 798 transitions. Word has length 147 [2025-01-10 01:55:50,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:50,480 INFO L471 AbstractCegarLoop]: Abstraction has 612 states and 798 transitions. [2025-01-10 01:55:50,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2025-01-10 01:55:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 798 transitions. [2025-01-10 01:55:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-01-10 01:55:50,481 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:50,481 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:50,488 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 01:55:50,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2025-01-10 01:55:50,681 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:50,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:50,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1433582940, now seen corresponding path program 2 times [2025-01-10 01:55:50,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:50,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387879926] [2025-01-10 01:55:50,682 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:50,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:50,687 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 149 statements into 2 equivalence classes. [2025-01-10 01:55:50,697 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 149 of 149 statements. [2025-01-10 01:55:50,699 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:50,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:50,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003033272] [2025-01-10 01:55:50,700 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:50,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:50,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:50,703 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 01:55:50,704 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 01:55:50,725 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 149 statements into 2 equivalence classes. [2025-01-10 01:55:50,747 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 149 of 149 statements. [2025-01-10 01:55:50,747 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:50,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:50,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-10 01:55:50,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:51,218 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2025-01-10 01:55:51,219 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:51,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:51,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387879926] [2025-01-10 01:55:51,989 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:51,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003033272] [2025-01-10 01:55:51,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003033272] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:51,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:51,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-01-10 01:55:51,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770009695] [2025-01-10 01:55:51,989 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:51,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 01:55:51,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:51,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 01:55:51,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2025-01-10 01:55:51,990 INFO L87 Difference]: Start difference. First operand 612 states and 798 transitions. Second operand has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2025-01-10 01:55:52,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:52,709 INFO L93 Difference]: Finished difference Result 626 states and 804 transitions. [2025-01-10 01:55:52,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-10 01:55:52,710 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) Word has length 149 [2025-01-10 01:55:52,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:52,713 INFO L225 Difference]: With dead ends: 626 [2025-01-10 01:55:52,714 INFO L226 Difference]: Without dead ends: 619 [2025-01-10 01:55:52,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2025-01-10 01:55:52,715 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 182 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:52,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 443 Invalid, 1189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:55:52,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2025-01-10 01:55:52,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 569. [2025-01-10 01:55:52,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 451 states have (on average 1.1796008869179602) internal successors, (532), 465 states have internal predecessors, (532), 101 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2025-01-10 01:55:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 734 transitions. [2025-01-10 01:55:52,758 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 734 transitions. Word has length 149 [2025-01-10 01:55:52,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:52,759 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 734 transitions. [2025-01-10 01:55:52,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2025-01-10 01:55:52,759 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 734 transitions. [2025-01-10 01:55:52,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-01-10 01:55:52,759 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:52,759 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 01:55:52,765 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 01:55:52,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:52,960 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:52,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:52,960 INFO L85 PathProgramCache]: Analyzing trace with hash -424508806, now seen corresponding path program 3 times [2025-01-10 01:55:52,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:52,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840240469] [2025-01-10 01:55:52,961 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:55:52,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:52,965 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 149 statements into 13 equivalence classes. [2025-01-10 01:55:52,983 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 149 of 149 statements. [2025-01-10 01:55:52,983 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-01-10 01:55:52,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:52,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1569559403] [2025-01-10 01:55:52,984 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:55:52,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:52,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:52,987 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 01:55:52,988 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 01:55:53,010 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 149 statements into 13 equivalence classes. [2025-01-10 01:55:53,051 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 38 of 149 statements. [2025-01-10 01:55:53,052 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 01:55:53,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:53,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 01:55:53,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:53,303 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 51 proven. 14 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2025-01-10 01:55:53,303 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:53,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:53,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840240469] [2025-01-10 01:55:53,467 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:53,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569559403] [2025-01-10 01:55:53,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569559403] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:53,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:53,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 01:55:53,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593720408] [2025-01-10 01:55:53,468 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:53,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:55:53,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:53,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:55:53,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:55:53,469 INFO L87 Difference]: Start difference. First operand 569 states and 734 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 3 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-10 01:55:54,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:54,054 INFO L93 Difference]: Finished difference Result 717 states and 937 transitions. [2025-01-10 01:55:54,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:55:54,054 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 3 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 149 [2025-01-10 01:55:54,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:54,056 INFO L225 Difference]: With dead ends: 717 [2025-01-10 01:55:54,056 INFO L226 Difference]: Without dead ends: 713 [2025-01-10 01:55:54,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:55:54,057 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 260 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:54,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 320 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:55:54,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2025-01-10 01:55:54,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 558. [2025-01-10 01:55:54,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 441 states have (on average 1.1768707482993197) internal successors, (519), 455 states have internal predecessors, (519), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2025-01-10 01:55:54,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 719 transitions. [2025-01-10 01:55:54,102 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 719 transitions. Word has length 149 [2025-01-10 01:55:54,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:54,102 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 719 transitions. [2025-01-10 01:55:54,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 3 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-10 01:55:54,102 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 719 transitions. [2025-01-10 01:55:54,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-01-10 01:55:54,103 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:54,103 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 01:55:54,107 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 01:55:54,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-01-10 01:55:54,303 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:54,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:54,304 INFO L85 PathProgramCache]: Analyzing trace with hash 94355300, now seen corresponding path program 3 times [2025-01-10 01:55:54,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:54,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616088852] [2025-01-10 01:55:54,304 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:55:54,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:54,309 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 154 statements into 11 equivalence classes. [2025-01-10 01:55:54,327 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 154 of 154 statements. [2025-01-10 01:55:54,330 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 01:55:54,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:54,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [613762938] [2025-01-10 01:55:54,331 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:55:54,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:54,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:54,333 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 01:55:54,334 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 01:55:54,356 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 154 statements into 11 equivalence classes. [2025-01-10 01:55:54,366 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 60 of 154 statements. [2025-01-10 01:55:54,367 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 01:55:54,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:54,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 01:55:54,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 79 proven. 44 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2025-01-10 01:55:54,512 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:54,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:54,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616088852] [2025-01-10 01:55:54,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:54,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613762938] [2025-01-10 01:55:54,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613762938] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:54,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:54,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 01:55:54,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731160899] [2025-01-10 01:55:54,661 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:54,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:55:54,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:54,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:55:54,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:55:54,662 INFO L87 Difference]: Start difference. First operand 558 states and 719 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2025-01-10 01:55:55,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:55,487 INFO L93 Difference]: Finished difference Result 577 states and 746 transitions. [2025-01-10 01:55:55,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-10 01:55:55,488 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 154 [2025-01-10 01:55:55,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:55,490 INFO L225 Difference]: With dead ends: 577 [2025-01-10 01:55:55,490 INFO L226 Difference]: Without dead ends: 574 [2025-01-10 01:55:55,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=601, Unknown=0, NotChecked=0, Total=756 [2025-01-10 01:55:55,491 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 115 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:55,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 280 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:55:55,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2025-01-10 01:55:55,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 358. [2025-01-10 01:55:55,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 280 states have (on average 1.1464285714285714) internal successors, (321), 291 states have internal predecessors, (321), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2025-01-10 01:55:55,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 449 transitions. [2025-01-10 01:55:55,537 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 449 transitions. Word has length 154 [2025-01-10 01:55:55,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:55,538 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 449 transitions. [2025-01-10 01:55:55,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2025-01-10 01:55:55,538 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 449 transitions. [2025-01-10 01:55:55,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-01-10 01:55:55,539 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:55,539 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 01:55:55,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:55,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-01-10 01:55:55,739 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:55:55,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:55,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1369952947, now seen corresponding path program 3 times [2025-01-10 01:55:55,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:55,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326953447] [2025-01-10 01:55:55,740 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:55:55,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:55,744 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 155 statements into 11 equivalence classes. [2025-01-10 01:55:55,763 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 155 of 155 statements. [2025-01-10 01:55:55,765 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 01:55:55,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:55,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [19102057] [2025-01-10 01:55:55,766 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:55:55,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:55,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:55,770 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 01:55:55,771 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 01:55:55,792 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 155 statements into 11 equivalence classes. [2025-01-10 01:55:55,813 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 75 of 155 statements. [2025-01-10 01:55:55,814 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-10 01:55:55,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:55,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-10 01:55:55,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:56,137 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 99 proven. 62 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-01-10 01:55:56,137 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:56,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:56,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326953447] [2025-01-10 01:55:56,587 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:56,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19102057] [2025-01-10 01:55:56,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19102057] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:56,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:56,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-01-10 01:55:56,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178351036] [2025-01-10 01:55:56,587 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:56,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 01:55:56,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:56,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 01:55:56,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2025-01-10 01:55:56,588 INFO L87 Difference]: Start difference. First operand 358 states and 449 transitions. Second operand has 15 states, 14 states have (on average 4.928571428571429) internal successors, (69), 15 states have internal predecessors, (69), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 6 states have call successors, (15) [2025-01-10 01:56:00,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 01:56:01,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:56:01,550 INFO L93 Difference]: Finished difference Result 378 states and 474 transitions. [2025-01-10 01:56:01,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-10 01:56:01,550 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.928571428571429) internal successors, (69), 15 states have internal predecessors, (69), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 6 states have call successors, (15) Word has length 155 [2025-01-10 01:56:01,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:56:01,552 INFO L225 Difference]: With dead ends: 378 [2025-01-10 01:56:01,552 INFO L226 Difference]: Without dead ends: 362 [2025-01-10 01:56:01,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=243, Invalid=947, Unknown=0, NotChecked=0, Total=1190 [2025-01-10 01:56:01,554 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 206 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:56:01,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 209 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 542 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-01-10 01:56:01,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2025-01-10 01:56:01,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 296. [2025-01-10 01:56:01,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 235 states have (on average 1.0808510638297872) internal successors, (254), 241 states have internal predecessors, (254), 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 01:56:01,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 358 transitions. [2025-01-10 01:56:01,588 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 358 transitions. Word has length 155 [2025-01-10 01:56:01,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:56:01,588 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 358 transitions. [2025-01-10 01:56:01,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.928571428571429) internal successors, (69), 15 states have internal predecessors, (69), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 6 states have call successors, (15) [2025-01-10 01:56:01,588 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 358 transitions. [2025-01-10 01:56:01,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-01-10 01:56:01,589 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:56:01,589 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 01:56:01,595 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 01:56:01,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:56:01,790 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:56:01,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:56:01,790 INFO L85 PathProgramCache]: Analyzing trace with hash 2030179439, now seen corresponding path program 3 times [2025-01-10 01:56:01,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:56:01,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511352294] [2025-01-10 01:56:01,790 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:56:01,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:56:01,794 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 157 statements into 11 equivalence classes. [2025-01-10 01:56:01,804 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 157 of 157 statements. [2025-01-10 01:56:01,804 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 01:56:01,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:56:01,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1674820758] [2025-01-10 01:56:01,805 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:56:01,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:56:01,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:56:01,807 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 01:56:01,808 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 01:56:01,831 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 157 statements into 11 equivalence classes. [2025-01-10 01:56:01,850 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 77 of 157 statements. [2025-01-10 01:56:01,850 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-10 01:56:01,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:01,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-10 01:56:01,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:56:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 66 proven. 65 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-01-10 01:56:02,137 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:56:02,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:56:02,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511352294] [2025-01-10 01:56:02,308 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:56:02,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674820758] [2025-01-10 01:56:02,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674820758] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:56:02,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:56:02,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 01:56:02,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994573391] [2025-01-10 01:56:02,308 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:56:02,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:56:02,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:56:02,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:56:02,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2025-01-10 01:56:02,309 INFO L87 Difference]: Start difference. First operand 296 states and 358 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 6 states have call successors, (15) [2025-01-10 01:56:02,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:56:02,789 INFO L93 Difference]: Finished difference Result 300 states and 363 transitions. [2025-01-10 01:56:02,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 01:56:02,789 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 6 states have call successors, (15) Word has length 157 [2025-01-10 01:56:02,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:56:02,790 INFO L225 Difference]: With dead ends: 300 [2025-01-10 01:56:02,791 INFO L226 Difference]: Without dead ends: 288 [2025-01-10 01:56:02,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 189 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2025-01-10 01:56:02,791 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 152 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:56:02,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 139 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:56:02,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-01-10 01:56:02,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 273. [2025-01-10 01:56:02,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 215 states have (on average 1.0744186046511628) internal successors, (231), 220 states have internal predecessors, (231), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2025-01-10 01:56:02,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 331 transitions. [2025-01-10 01:56:02,839 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 331 transitions. Word has length 157 [2025-01-10 01:56:02,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:56:02,839 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 331 transitions. [2025-01-10 01:56:02,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 6 states have call successors, (15) [2025-01-10 01:56:02,839 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 331 transitions. [2025-01-10 01:56:02,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2025-01-10 01:56:02,840 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:56:02,840 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:56:02,847 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 01:56:03,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-01-10 01:56:03,042 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:56:03,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:56:03,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1555438657, now seen corresponding path program 1 times [2025-01-10 01:56:03,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:56:03,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723117923] [2025-01-10 01:56:03,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:56:03,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:56:03,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-01-10 01:56:03,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-01-10 01:56:03,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:56:03,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:03,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2025-01-10 01:56:03,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:56:03,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723117923] [2025-01-10 01:56:03,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723117923] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:56:03,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474288456] [2025-01-10 01:56:03,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:56:03,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:56:03,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:56:03,205 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 01:56:03,206 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 01:56:03,230 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-01-10 01:56:03,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-01-10 01:56:03,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:56:03,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:03,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:56:03,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:56:03,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 551 proven. 36 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2025-01-10 01:56:03,357 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:56:03,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 103 proven. 36 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2025-01-10 01:56:03,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474288456] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:56:03,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:56:03,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2025-01-10 01:56:03,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113613061] [2025-01-10 01:56:03,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:56:03,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 01:56:03,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:56:03,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 01:56:03,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:56:03,505 INFO L87 Difference]: Start difference. First operand 273 states and 331 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) [2025-01-10 01:56:04,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:56:04,003 INFO L93 Difference]: Finished difference Result 494 states and 593 transitions. [2025-01-10 01:56:04,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-10 01:56:04,003 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) Word has length 220 [2025-01-10 01:56:04,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:56:04,005 INFO L225 Difference]: With dead ends: 494 [2025-01-10 01:56:04,005 INFO L226 Difference]: Without dead ends: 316 [2025-01-10 01:56:04,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 431 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2025-01-10 01:56:04,006 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 159 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:56:04,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 469 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:56:04,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2025-01-10 01:56:04,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 302. [2025-01-10 01:56:04,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 239 states have (on average 1.0669456066945606) internal successors, (255), 244 states have internal predecessors, (255), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-01-10 01:56:04,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 365 transitions. [2025-01-10 01:56:04,042 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 365 transitions. Word has length 220 [2025-01-10 01:56:04,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:56:04,042 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 365 transitions. [2025-01-10 01:56:04,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) [2025-01-10 01:56:04,042 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 365 transitions. [2025-01-10 01:56:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2025-01-10 01:56:04,043 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:56:04,043 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:56:04,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-01-10 01:56:04,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-01-10 01:56:04,244 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:56:04,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:56:04,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1366530689, now seen corresponding path program 2 times [2025-01-10 01:56:04,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:56:04,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182888630] [2025-01-10 01:56:04,244 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:56:04,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:56:04,250 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 220 statements into 2 equivalence classes. [2025-01-10 01:56:04,258 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 220 of 220 statements. [2025-01-10 01:56:04,258 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:56:04,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:04,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2025-01-10 01:56:04,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:56:04,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182888630] [2025-01-10 01:56:04,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182888630] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:56:04,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763394849] [2025-01-10 01:56:04,386 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:56:04,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:56:04,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:56:04,388 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 01:56:04,389 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 01:56:04,413 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 220 statements into 2 equivalence classes. [2025-01-10 01:56:04,439 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 220 of 220 statements. [2025-01-10 01:56:04,439 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:56:04,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:04,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:56:04,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:56:04,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2025-01-10 01:56:04,655 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:56:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2025-01-10 01:56:04,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763394849] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:56:04,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:56:04,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2025-01-10 01:56:04,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307603407] [2025-01-10 01:56:04,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:56:04,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-10 01:56:04,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:56:04,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-10 01:56:04,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=291, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:56:04,840 INFO L87 Difference]: Start difference. First operand 302 states and 365 transitions. Second operand has 22 states, 21 states have (on average 13.285714285714286) internal successors, (279), 22 states have internal predecessors, (279), 21 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 21 states have call predecessors, (67), 21 states have call successors, (67) [2025-01-10 01:56:05,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:56:05,520 INFO L93 Difference]: Finished difference Result 908 states and 1112 transitions. [2025-01-10 01:56:05,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-10 01:56:05,521 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 13.285714285714286) internal successors, (279), 22 states have internal predecessors, (279), 21 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 21 states have call predecessors, (67), 21 states have call successors, (67) Word has length 220 [2025-01-10 01:56:05,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:56:05,523 INFO L225 Difference]: With dead ends: 908 [2025-01-10 01:56:05,523 INFO L226 Difference]: Without dead ends: 841 [2025-01-10 01:56:05,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=560, Invalid=922, Unknown=0, NotChecked=0, Total=1482 [2025-01-10 01:56:05,524 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 892 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:56:05,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 431 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:56:05,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2025-01-10 01:56:05,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 565. [2025-01-10 01:56:05,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 452 states have (on average 1.0685840707964602) internal successors, (483), 457 states have internal predecessors, (483), 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 01:56:05,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 693 transitions. [2025-01-10 01:56:05,597 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 693 transitions. Word has length 220 [2025-01-10 01:56:05,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:56:05,597 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 693 transitions. [2025-01-10 01:56:05,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 13.285714285714286) internal successors, (279), 22 states have internal predecessors, (279), 21 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 21 states have call predecessors, (67), 21 states have call successors, (67) [2025-01-10 01:56:05,597 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 693 transitions. [2025-01-10 01:56:05,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2025-01-10 01:56:05,598 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:56:05,598 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:56:05,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-01-10 01:56:05,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-01-10 01:56:05,799 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:56:05,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:56:05,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1337044575, now seen corresponding path program 1 times [2025-01-10 01:56:05,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:56:05,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294877474] [2025-01-10 01:56:05,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:56:05,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:56:05,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 268 statements into 1 equivalence classes. [2025-01-10 01:56:05,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 268 of 268 statements. [2025-01-10 01:56:05,810 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:56:05,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:05,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1707 backedges. 57 proven. 234 refuted. 0 times theorem prover too weak. 1416 trivial. 0 not checked. [2025-01-10 01:56:05,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:56:05,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294877474] [2025-01-10 01:56:05,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294877474] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:56:05,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12320823] [2025-01-10 01:56:05,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:56:05,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:56:05,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:56:05,948 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 01:56:05,949 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 01:56:05,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 268 statements into 1 equivalence classes. [2025-01-10 01:56:06,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 268 of 268 statements. [2025-01-10 01:56:06,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:56:06,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:06,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:56:06,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:56:06,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1707 backedges. 573 proven. 147 refuted. 0 times theorem prover too weak. 987 trivial. 0 not checked. [2025-01-10 01:56:06,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:56:06,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1707 backedges. 133 proven. 147 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2025-01-10 01:56:06,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12320823] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:56:06,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:56:06,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 14 [2025-01-10 01:56:06,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114543297] [2025-01-10 01:56:06,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:56:06,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:56:06,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:56:06,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:56:06,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:56:06,318 INFO L87 Difference]: Start difference. First operand 565 states and 693 transitions. Second operand has 14 states, 14 states have (on average 12.5) internal successors, (175), 14 states have internal predecessors, (175), 12 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 12 states have call predecessors, (47), 12 states have call successors, (47) [2025-01-10 01:56:06,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:56:06,947 INFO L93 Difference]: Finished difference Result 1096 states and 1337 transitions. [2025-01-10 01:56:06,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 01:56:06,947 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.5) internal successors, (175), 14 states have internal predecessors, (175), 12 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 12 states have call predecessors, (47), 12 states have call successors, (47) Word has length 268 [2025-01-10 01:56:06,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:56:06,950 INFO L225 Difference]: With dead ends: 1096 [2025-01-10 01:56:06,950 INFO L226 Difference]: Without dead ends: 664 [2025-01-10 01:56:06,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 528 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2025-01-10 01:56:06,951 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 120 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:56:06,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 749 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:56:06,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2025-01-10 01:56:07,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 630. [2025-01-10 01:56:07,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 503 states have (on average 1.0596421471172963) internal successors, (533), 508 states have internal predecessors, (533), 119 states have call successors, (119), 2 states have call predecessors, (119), 2 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2025-01-10 01:56:07,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 771 transitions. [2025-01-10 01:56:07,037 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 771 transitions. Word has length 268 [2025-01-10 01:56:07,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:56:07,037 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 771 transitions. [2025-01-10 01:56:07,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.5) internal successors, (175), 14 states have internal predecessors, (175), 12 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 12 states have call predecessors, (47), 12 states have call successors, (47) [2025-01-10 01:56:07,038 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 771 transitions. [2025-01-10 01:56:07,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2025-01-10 01:56:07,039 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:56:07,039 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:56:07,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-01-10 01:56:07,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-01-10 01:56:07,243 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:56:07,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:56:07,246 INFO L85 PathProgramCache]: Analyzing trace with hash -337134843, now seen corresponding path program 2 times [2025-01-10 01:56:07,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:56:07,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590377179] [2025-01-10 01:56:07,246 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:56:07,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:56:07,253 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 305 statements into 2 equivalence classes. [2025-01-10 01:56:07,260 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 305 of 305 statements. [2025-01-10 01:56:07,260 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:56:07,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:07,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2282 backedges. 68 proven. 342 refuted. 0 times theorem prover too weak. 1872 trivial. 0 not checked. [2025-01-10 01:56:07,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:56:07,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590377179] [2025-01-10 01:56:07,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590377179] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:56:07,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625727186] [2025-01-10 01:56:07,426 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:56:07,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:56:07,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:56:07,428 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 01:56:07,429 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 01:56:07,456 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 305 statements into 2 equivalence classes. [2025-01-10 01:56:07,494 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 305 of 305 statements. [2025-01-10 01:56:07,494 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:56:07,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:07,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:56:07,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:56:07,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2282 backedges. 188 proven. 342 refuted. 0 times theorem prover too weak. 1752 trivial. 0 not checked. [2025-01-10 01:56:07,671 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:56:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2282 backedges. 68 proven. 342 refuted. 0 times theorem prover too weak. 1872 trivial. 0 not checked. [2025-01-10 01:56:07,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625727186] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:56:07,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:56:07,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 14 [2025-01-10 01:56:07,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574302574] [2025-01-10 01:56:07,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:56:07,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:56:07,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:56:07,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:56:07,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:56:07,939 INFO L87 Difference]: Start difference. First operand 630 states and 771 transitions. Second operand has 14 states, 14 states have (on average 12.428571428571429) internal successors, (174), 14 states have internal predecessors, (174), 12 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 12 states have call predecessors, (42), 12 states have call successors, (42) [2025-01-10 01:56:08,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:56:08,791 INFO L93 Difference]: Finished difference Result 1134 states and 1384 transitions. [2025-01-10 01:56:08,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-10 01:56:08,792 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.428571428571429) internal successors, (174), 14 states have internal predecessors, (174), 12 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 12 states have call predecessors, (42), 12 states have call successors, (42) Word has length 305 [2025-01-10 01:56:08,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:56:08,794 INFO L225 Difference]: With dead ends: 1134 [2025-01-10 01:56:08,794 INFO L226 Difference]: Without dead ends: 695 [2025-01-10 01:56:08,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 601 SyntacticMatches, 9 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2025-01-10 01:56:08,795 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 170 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 1568 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 1611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:56:08,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 921 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1568 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:56:08,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2025-01-10 01:56:08,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 603. [2025-01-10 01:56:08,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 479 states have (on average 1.0563674321503131) internal successors, (506), 484 states have internal predecessors, (506), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2025-01-10 01:56:08,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 738 transitions. [2025-01-10 01:56:08,884 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 738 transitions. Word has length 305 [2025-01-10 01:56:08,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:56:08,884 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 738 transitions. [2025-01-10 01:56:08,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.428571428571429) internal successors, (174), 14 states have internal predecessors, (174), 12 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 12 states have call predecessors, (42), 12 states have call successors, (42) [2025-01-10 01:56:08,885 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 738 transitions. [2025-01-10 01:56:08,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2025-01-10 01:56:08,886 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:56:08,886 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 35, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:56:08,892 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 01:56:09,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-01-10 01:56:09,087 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:56:09,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:56:09,087 INFO L85 PathProgramCache]: Analyzing trace with hash -732250593, now seen corresponding path program 3 times [2025-01-10 01:56:09,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:56:09,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133783252] [2025-01-10 01:56:09,087 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:56:09,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:56:09,093 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 342 statements into 16 equivalence classes. [2025-01-10 01:56:09,128 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) and asserted 342 of 342 statements. [2025-01-10 01:56:09,128 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2025-01-10 01:56:09,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:56:09,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1073010534] [2025-01-10 01:56:09,130 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:56:09,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:56:09,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:56:09,132 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 01:56:09,134 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 01:56:09,162 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 342 statements into 16 equivalence classes. [2025-01-10 01:56:09,173 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 52 of 342 statements. [2025-01-10 01:56:09,174 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 01:56:09,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:09,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 01:56:09,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:56:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2942 backedges. 395 proven. 40 refuted. 0 times theorem prover too weak. 2507 trivial. 0 not checked. [2025-01-10 01:56:09,605 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:56:09,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:56:09,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133783252] [2025-01-10 01:56:09,775 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:56:09,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073010534] [2025-01-10 01:56:09,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073010534] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:56:09,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:56:09,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-01-10 01:56:09,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119125340] [2025-01-10 01:56:09,775 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:56:09,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:56:09,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:56:09,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:56:09,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:56:09,776 INFO L87 Difference]: Start difference. First operand 603 states and 738 transitions. Second operand has 14 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2025-01-10 01:56:10,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:56:10,330 INFO L93 Difference]: Finished difference Result 603 states and 738 transitions. [2025-01-10 01:56:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-10 01:56:10,330 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) Word has length 342 [2025-01-10 01:56:10,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:56:10,332 INFO L225 Difference]: With dead ends: 603 [2025-01-10 01:56:10,332 INFO L226 Difference]: Without dead ends: 599 [2025-01-10 01:56:10,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2025-01-10 01:56:10,333 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 121 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:56:10,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 332 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:56:10,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2025-01-10 01:56:10,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2025-01-10 01:56:10,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 479 states have (on average 1.0396659707724425) internal successors, (498), 480 states have internal predecessors, (498), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2025-01-10 01:56:10,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 730 transitions. [2025-01-10 01:56:10,421 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 730 transitions. Word has length 342 [2025-01-10 01:56:10,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:56:10,421 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 730 transitions. [2025-01-10 01:56:10,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2025-01-10 01:56:10,421 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 730 transitions. [2025-01-10 01:56:10,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2025-01-10 01:56:10,423 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:56:10,423 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:56:10,429 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 01:56:10,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-01-10 01:56:10,624 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:56:10,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:56:10,624 INFO L85 PathProgramCache]: Analyzing trace with hash 446231761, now seen corresponding path program 1 times [2025-01-10 01:56:10,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:56:10,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755885596] [2025-01-10 01:56:10,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:56:10,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:56:10,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 400 statements into 1 equivalence classes. [2025-01-10 01:56:10,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 400 of 400 statements. [2025-01-10 01:56:10,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:56:10,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4248 backedges. 357 proven. 162 refuted. 0 times theorem prover too weak. 3729 trivial. 0 not checked. [2025-01-10 01:56:10,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:56:10,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755885596] [2025-01-10 01:56:10,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755885596] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:56:10,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87137512] [2025-01-10 01:56:10,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:56:10,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:56:10,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:56:10,799 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 01:56:10,800 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 01:56:10,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 400 statements into 1 equivalence classes. [2025-01-10 01:56:10,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 400 of 400 statements. [2025-01-10 01:56:10,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:56:10,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:10,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:56:10,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:56:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4248 backedges. 779 proven. 621 refuted. 0 times theorem prover too weak. 2848 trivial. 0 not checked. [2025-01-10 01:56:11,166 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:56:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4248 backedges. 171 proven. 621 refuted. 0 times theorem prover too weak. 3456 trivial. 0 not checked. [2025-01-10 01:56:11,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87137512] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:56:11,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:56:11,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13, 13] total 23 [2025-01-10 01:56:11,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055714486] [2025-01-10 01:56:11,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:56:11,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-10 01:56:11,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:56:11,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-10 01:56:11,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2025-01-10 01:56:11,492 INFO L87 Difference]: Start difference. First operand 599 states and 730 transitions. Second operand has 23 states, 23 states have (on average 13.217391304347826) internal successors, (304), 23 states have internal predecessors, (304), 20 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 20 states have call predecessors, (79), 20 states have call successors, (79) [2025-01-10 01:56:14,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:56:14,088 INFO L93 Difference]: Finished difference Result 1262 states and 1534 transitions. [2025-01-10 01:56:14,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-10 01:56:14,090 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 13.217391304347826) internal successors, (304), 23 states have internal predecessors, (304), 20 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 20 states have call predecessors, (79), 20 states have call successors, (79) Word has length 400 [2025-01-10 01:56:14,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:56:14,093 INFO L225 Difference]: With dead ends: 1262 [2025-01-10 01:56:14,093 INFO L226 Difference]: Without dead ends: 1005 [2025-01-10 01:56:14,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 875 GetRequests, 787 SyntacticMatches, 7 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1671 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1373, Invalid=5433, Unknown=0, NotChecked=0, Total=6806 [2025-01-10 01:56:14,097 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 715 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 3586 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 3769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 3586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:56:14,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [715 Valid, 1783 Invalid, 3769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 3586 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-01-10 01:56:14,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2025-01-10 01:56:14,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 795. [2025-01-10 01:56:14,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 638 states have (on average 1.0376175548589341) internal successors, (662), 638 states have internal predecessors, (662), 154 states have call successors, (154), 2 states have call predecessors, (154), 2 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2025-01-10 01:56:14,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 970 transitions. [2025-01-10 01:56:14,221 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 970 transitions. Word has length 400 [2025-01-10 01:56:14,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:56:14,221 INFO L471 AbstractCegarLoop]: Abstraction has 795 states and 970 transitions. [2025-01-10 01:56:14,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 13.217391304347826) internal successors, (304), 23 states have internal predecessors, (304), 20 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 20 states have call predecessors, (79), 20 states have call successors, (79) [2025-01-10 01:56:14,221 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 970 transitions. [2025-01-10 01:56:14,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2025-01-10 01:56:14,223 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:56:14,223 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 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 01:56:14,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-01-10 01:56:14,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:56:14,424 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 01:56:14,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:56:14,424 INFO L85 PathProgramCache]: Analyzing trace with hash -106296163, now seen corresponding path program 3 times [2025-01-10 01:56:14,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:56:14,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217828648] [2025-01-10 01:56:14,424 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:56:14,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:56:14,431 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 405 statements into 22 equivalence classes. [2025-01-10 01:56:14,452 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 194 of 405 statements. [2025-01-10 01:56:14,454 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 01:56:14,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4261 backedges. 206 proven. 294 refuted. 0 times theorem prover too weak. 3761 trivial. 0 not checked. [2025-01-10 01:56:14,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:56:14,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217828648] [2025-01-10 01:56:14,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217828648] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:56:14,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195306551] [2025-01-10 01:56:14,654 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:56:14,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:56:14,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:56:14,656 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 01:56:14,658 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 01:56:14,687 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 405 statements into 22 equivalence classes. [2025-01-10 01:56:14,704 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 86 of 405 statements. [2025-01-10 01:56:14,705 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-10 01:56:14,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:14,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-10 01:56:14,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:56:15,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4261 backedges. 399 proven. 43 refuted. 0 times theorem prover too weak. 3819 trivial. 0 not checked. [2025-01-10 01:56:15,474 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:56:15,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195306551] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:56:15,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:56:15,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12] total 18 [2025-01-10 01:56:15,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670449479] [2025-01-10 01:56:15,707 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:56:15,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-10 01:56:15,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:56:15,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-10 01:56:15,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2025-01-10 01:56:15,709 INFO L87 Difference]: Start difference. First operand 795 states and 970 transitions. Second operand has 19 states, 17 states have (on average 9.0) internal successors, (153), 18 states have internal predecessors, (153), 11 states have call successors, (36), 1 states have call predecessors, (36), 3 states have return successors, (37), 12 states have call predecessors, (37), 11 states have call successors, (37) [2025-01-10 01:56:17,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:56:17,700 INFO L93 Difference]: Finished difference Result 797 states and 972 transitions. [2025-01-10 01:56:17,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-10 01:56:17,700 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 9.0) internal successors, (153), 18 states have internal predecessors, (153), 11 states have call successors, (36), 1 states have call predecessors, (36), 3 states have return successors, (37), 12 states have call predecessors, (37), 11 states have call successors, (37) Word has length 405 [2025-01-10 01:56:17,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:56:17,701 INFO L225 Difference]: With dead ends: 797 [2025-01-10 01:56:17,701 INFO L226 Difference]: Without dead ends: 0 [2025-01-10 01:56:17,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=849, Invalid=2457, Unknown=0, NotChecked=0, Total=3306 [2025-01-10 01:56:17,704 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 292 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:56:17,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 266 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:56:17,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-10 01:56:17,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-10 01:56:17,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:56:17,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-10 01:56:17,705 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 405 [2025-01-10 01:56:17,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:56:17,705 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 01:56:17,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 9.0) internal successors, (153), 18 states have internal predecessors, (153), 11 states have call successors, (36), 1 states have call predecessors, (36), 3 states have return successors, (37), 12 states have call predecessors, (37), 11 states have call successors, (37) [2025-01-10 01:56:17,705 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-10 01:56:17,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2025-01-10 01:56:17,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2025-01-10 01:56:17,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2025-01-10 01:56:17,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2025-01-10 01:56:17,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2025-01-10 01:56:17,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2025-01-10 01:56:17,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2025-01-10 01:56:17,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2025-01-10 01:56:17,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2025-01-10 01:56:17,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2025-01-10 01:56:17,717 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 01:56:17,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:56:17,915 INFO L422 BasicCegarLoop]: Path program histogram: [3, 3, 3, 3, 3, 3, 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 01:56:17,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.