./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d 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/cohencu-ll_unwindbound5.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 173419c809fa8cb7fa094fdfc7b5765802a9a2fdebfe9d0a53cd745fd0c573d2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:20:49,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:20:49,492 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:20:49,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:20:49,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:20:49,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:20:49,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:20:49,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:20:49,518 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:20:49,518 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:20:49,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:20:49,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:20:49,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:20:49,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:20:49,519 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:20:49,519 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:20:49,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:20:49,520 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:20:49,520 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:20:49,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:20:49,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:20:49,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:20:49,520 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:20:49,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:20:49,520 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:20:49,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:20:49,520 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:20:49,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:20:49,520 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:20:49,520 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:20:49,520 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 -> 173419c809fa8cb7fa094fdfc7b5765802a9a2fdebfe9d0a53cd745fd0c573d2 [2025-02-08 09:20:49,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:20:49,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:20:49,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:20:49,763 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:20:49,764 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:20:49,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c [2025-02-08 09:20:50,934 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7d85cbbf8/717a71a332eb4a1d84d9b1d14aba3790/FLAG6a21d0837 [2025-02-08 09:20:51,177 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:20:51,177 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c [2025-02-08 09:20:51,183 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7d85cbbf8/717a71a332eb4a1d84d9b1d14aba3790/FLAG6a21d0837 [2025-02-08 09:20:51,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7d85cbbf8/717a71a332eb4a1d84d9b1d14aba3790 [2025-02-08 09:20:51,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:20:51,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:20:51,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:20:51,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:20:51,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:20:51,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:20:51" (1/1) ... [2025-02-08 09:20:51,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c57744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:20:51, skipping insertion in model container [2025-02-08 09:20:51,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:20:51" (1/1) ... [2025-02-08 09:20:51,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:20:51,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:20:51,675 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:20:51,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:20:51,708 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:20:51,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:20:51 WrapperNode [2025-02-08 09:20:51,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:20:51,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:20:51,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:20:51,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:20:51,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:20:51" (1/1) ... [2025-02-08 09:20:51,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:20:51" (1/1) ... [2025-02-08 09:20:51,732 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 194 [2025-02-08 09:20:51,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:20:51,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:20:51,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:20:51,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:20:51,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:20:51" (1/1) ... [2025-02-08 09:20:51,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:20:51" (1/1) ... [2025-02-08 09:20:51,741 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:20:51" (1/1) ... [2025-02-08 09:20:51,748 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]. [2025-02-08 09:20:51,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:20:51" (1/1) ... [2025-02-08 09:20:51,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:20:51" (1/1) ... [2025-02-08 09:20:51,752 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:20:51" (1/1) ... [2025-02-08 09:20:51,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:20:51" (1/1) ... [2025-02-08 09:20:51,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:20:51" (1/1) ... [2025-02-08 09:20:51,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:20:51" (1/1) ... [2025-02-08 09:20:51,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:20:51,755 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:20:51,756 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:20:51,756 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:20:51,756 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:20:51" (1/1) ... [2025-02-08 09:20:51,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:20:51,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:51,780 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) [2025-02-08 09:20:51,788 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 [2025-02-08 09:20:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:20:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:20:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:20:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:20:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:20:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:20:51,839 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:20:51,841 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:20:52,366 INFO L? ?]: Removed 238 outVars from TransFormulas that were not future-live. [2025-02-08 09:20:52,366 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:20:52,378 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:20:52,378 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:20:52,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:20:52 BoogieIcfgContainer [2025-02-08 09:20:52,378 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:20:52,380 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:20:52,380 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:20:52,384 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:20:52,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:20:51" (1/3) ... [2025-02-08 09:20:52,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e1bd83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:20:52, skipping insertion in model container [2025-02-08 09:20:52,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:20:51" (2/3) ... [2025-02-08 09:20:52,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e1bd83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:20:52, skipping insertion in model container [2025-02-08 09:20:52,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:20:52" (3/3) ... [2025-02-08 09:20:52,385 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound5.c [2025-02-08 09:20:52,396 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:20:52,398 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_unwindbound5.c that has 2 procedures, 302 locations, 1 initial locations, 1 loop locations, and 140 error locations. [2025-02-08 09:20:52,439 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:20:52,447 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;@7cf56564, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:20:52,447 INFO L334 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2025-02-08 09:20:52,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 149 states have (on average 1.9664429530201342) internal successors, (293), 289 states have internal predecessors, (293), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:20:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 09:20:52,453 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:52,453 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 09:20:52,454 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:20:52,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:52,457 INFO L85 PathProgramCache]: Analyzing trace with hash 325640, now seen corresponding path program 1 times [2025-02-08 09:20:52,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:52,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085273593] [2025-02-08 09:20:52,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:52,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:52,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 09:20:52,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 09:20:52,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:52,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:20:52,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:52,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085273593] [2025-02-08 09:20:52,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085273593] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:20:52,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:20:52,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:20:52,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861498018] [2025-02-08 09:20:52,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:20:52,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:20:52,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:52,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:20:52,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:20:52,645 INFO L87 Difference]: Start difference. First operand has 302 states, 149 states have (on average 1.9664429530201342) internal successors, (293), 289 states have internal predecessors, (293), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2025-02-08 09:20:52,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:52,718 INFO L93 Difference]: Finished difference Result 600 states and 648 transitions. [2025-02-08 09:20:52,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:20:52,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-02-08 09:20:52,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:52,727 INFO L225 Difference]: With dead ends: 600 [2025-02-08 09:20:52,727 INFO L226 Difference]: Without dead ends: 295 [2025-02-08 09:20:52,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:20:52,735 INFO L435 NwaCegarLoop]: 302 mSDtfsCounter, 4 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:52,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 901 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:20:52,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2025-02-08 09:20:52,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2025-02-08 09:20:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 151 states have (on average 1.8874172185430464) internal successors, (285), 283 states have internal predecessors, (285), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:20:52,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 305 transitions. [2025-02-08 09:20:52,788 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 305 transitions. Word has length 3 [2025-02-08 09:20:52,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:52,790 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 305 transitions. [2025-02-08 09:20:52,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2025-02-08 09:20:52,791 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 305 transitions. [2025-02-08 09:20:52,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 09:20:52,791 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:52,791 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 09:20:52,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:20:52,791 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:20:52,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:52,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1111466748, now seen corresponding path program 1 times [2025-02-08 09:20:52,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:52,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269665195] [2025-02-08 09:20:52,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:52,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:52,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 09:20:52,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 09:20:52,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:52,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:20:52,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:52,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269665195] [2025-02-08 09:20:52,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269665195] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:20:52,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:20:52,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:20:52,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116322386] [2025-02-08 09:20:52,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:20:52,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:20:52,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:52,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:20:52,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:20:52,845 INFO L87 Difference]: Start difference. First operand 295 states and 305 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2025-02-08 09:20:52,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:52,999 INFO L93 Difference]: Finished difference Result 563 states and 583 transitions. [2025-02-08 09:20:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:20:52,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-08 09:20:52,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:53,001 INFO L225 Difference]: With dead ends: 563 [2025-02-08 09:20:53,004 INFO L226 Difference]: Without dead ends: 543 [2025-02-08 09:20:53,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:20:53,005 INFO L435 NwaCegarLoop]: 441 mSDtfsCounter, 237 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:53,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 699 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:20:53,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2025-02-08 09:20:53,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 353. [2025-02-08 09:20:53,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 204 states have (on average 1.7941176470588236) internal successors, (366), 336 states have internal predecessors, (366), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:20:53,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 396 transitions. [2025-02-08 09:20:53,023 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 396 transitions. Word has length 6 [2025-02-08 09:20:53,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:53,023 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 396 transitions. [2025-02-08 09:20:53,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2025-02-08 09:20:53,024 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 396 transitions. [2025-02-08 09:20:53,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:20:53,027 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:53,027 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:53,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:20:53,027 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:20:53,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:53,028 INFO L85 PathProgramCache]: Analyzing trace with hash 262012332, now seen corresponding path program 1 times [2025-02-08 09:20:53,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:53,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694163190] [2025-02-08 09:20:53,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:53,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:53,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:20:53,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:20:53,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:53,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:20:53,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1138715753] [2025-02-08 09:20:53,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:53,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:53,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:53,059 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) [2025-02-08 09:20:53,070 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 [2025-02-08 09:20:53,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:20:53,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:20:53,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:53,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:53,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:20:53,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:53,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:20:53,271 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:20:53,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:53,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694163190] [2025-02-08 09:20:53,272 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:20:53,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138715753] [2025-02-08 09:20:53,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138715753] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:20:53,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:20:53,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:20:53,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615940194] [2025-02-08 09:20:53,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:20:53,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:20:53,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:53,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:20:53,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:20:53,275 INFO L87 Difference]: Start difference. First operand 353 states and 396 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2025-02-08 09:20:53,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:53,740 INFO L93 Difference]: Finished difference Result 513 states and 571 transitions. [2025-02-08 09:20:53,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:20:53,740 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), 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 39 [2025-02-08 09:20:53,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:53,742 INFO L225 Difference]: With dead ends: 513 [2025-02-08 09:20:53,742 INFO L226 Difference]: Without dead ends: 458 [2025-02-08 09:20:53,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:20:53,743 INFO L435 NwaCegarLoop]: 250 mSDtfsCounter, 134 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:53,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 361 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:20:53,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2025-02-08 09:20:53,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 438. [2025-02-08 09:20:53,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.6514084507042253) internal successors, (469), 416 states have internal predecessors, (469), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:20:53,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 509 transitions. [2025-02-08 09:20:53,756 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 509 transitions. Word has length 39 [2025-02-08 09:20:53,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:53,757 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 509 transitions. [2025-02-08 09:20:53,757 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), 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) [2025-02-08 09:20:53,757 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 509 transitions. [2025-02-08 09:20:53,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:20:53,757 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:53,757 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:53,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:20:53,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:53,962 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:20:53,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:53,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1609212470, now seen corresponding path program 1 times [2025-02-08 09:20:53,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:53,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441698396] [2025-02-08 09:20:53,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:53,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:53,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:20:53,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:20:53,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:53,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:54,082 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:20:54,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:54,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441698396] [2025-02-08 09:20:54,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441698396] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:20:54,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:20:54,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:20:54,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910927585] [2025-02-08 09:20:54,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:20:54,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:20:54,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:54,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:20:54,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:20:54,086 INFO L87 Difference]: Start difference. First operand 438 states and 509 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (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) [2025-02-08 09:20:54,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:54,300 INFO L93 Difference]: Finished difference Result 453 states and 516 transitions. [2025-02-08 09:20:54,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:20:54,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (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 41 [2025-02-08 09:20:54,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:54,306 INFO L225 Difference]: With dead ends: 453 [2025-02-08 09:20:54,306 INFO L226 Difference]: Without dead ends: 448 [2025-02-08 09:20:54,306 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 [2025-02-08 09:20:54,307 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 120 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:54,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 505 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:20:54,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2025-02-08 09:20:54,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2025-02-08 09:20:54,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.6338028169014085) internal successors, (464), 416 states have internal predecessors, (464), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:20:54,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 504 transitions. [2025-02-08 09:20:54,326 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 504 transitions. Word has length 41 [2025-02-08 09:20:54,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:54,326 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 504 transitions. [2025-02-08 09:20:54,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (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) [2025-02-08 09:20:54,326 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 504 transitions. [2025-02-08 09:20:54,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:20:54,331 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:54,331 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:54,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:20:54,331 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:20:54,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:54,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1654021195, now seen corresponding path program 1 times [2025-02-08 09:20:54,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:54,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895289494] [2025-02-08 09:20:54,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:54,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:54,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:20:54,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:20:54,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:54,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:20:54,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:54,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895289494] [2025-02-08 09:20:54,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895289494] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:20:54,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:20:54,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:20:54,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815376459] [2025-02-08 09:20:54,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:20:54,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:20:54,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:54,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:20:54,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:20:54,410 INFO L87 Difference]: Start difference. First operand 438 states and 504 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (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) [2025-02-08 09:20:54,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:54,638 INFO L93 Difference]: Finished difference Result 453 states and 511 transitions. [2025-02-08 09:20:54,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:20:54,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (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 42 [2025-02-08 09:20:54,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:54,640 INFO L225 Difference]: With dead ends: 453 [2025-02-08 09:20:54,640 INFO L226 Difference]: Without dead ends: 448 [2025-02-08 09:20:54,641 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 [2025-02-08 09:20:54,641 INFO L435 NwaCegarLoop]: 338 mSDtfsCounter, 119 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:54,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 547 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:20:54,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2025-02-08 09:20:54,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2025-02-08 09:20:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.6161971830985915) internal successors, (459), 416 states have internal predecessors, (459), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:20:54,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 499 transitions. [2025-02-08 09:20:54,650 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 499 transitions. Word has length 42 [2025-02-08 09:20:54,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:54,650 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 499 transitions. [2025-02-08 09:20:54,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (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) [2025-02-08 09:20:54,650 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 499 transitions. [2025-02-08 09:20:54,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:20:54,651 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:54,651 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:54,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:20:54,651 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:20:54,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:54,651 INFO L85 PathProgramCache]: Analyzing trace with hash -264950296, now seen corresponding path program 1 times [2025-02-08 09:20:54,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:54,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339272228] [2025-02-08 09:20:54,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:54,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:54,655 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:20:54,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:20:54,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:54,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:54,724 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:20:54,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:54,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339272228] [2025-02-08 09:20:54,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339272228] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:20:54,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:20:54,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:20:54,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577104962] [2025-02-08 09:20:54,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:20:54,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:20:54,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:54,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:20:54,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:20:54,725 INFO L87 Difference]: Start difference. First operand 438 states and 499 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2025-02-08 09:20:55,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:55,443 INFO L93 Difference]: Finished difference Result 537 states and 660 transitions. [2025-02-08 09:20:55,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:20:55,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 43 [2025-02-08 09:20:55,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:55,446 INFO L225 Difference]: With dead ends: 537 [2025-02-08 09:20:55,446 INFO L226 Difference]: Without dead ends: 535 [2025-02-08 09:20:55,447 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 [2025-02-08 09:20:55,447 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 369 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:55,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 471 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:20:55,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2025-02-08 09:20:55,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 516. [2025-02-08 09:20:55,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 357 states have (on average 1.680672268907563) internal successors, (600), 489 states have internal predecessors, (600), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:20:55,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 650 transitions. [2025-02-08 09:20:55,460 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 650 transitions. Word has length 43 [2025-02-08 09:20:55,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:55,461 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 650 transitions. [2025-02-08 09:20:55,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2025-02-08 09:20:55,461 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 650 transitions. [2025-02-08 09:20:55,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:20:55,461 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:55,461 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:55,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:20:55,462 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:20:55,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:55,462 INFO L85 PathProgramCache]: Analyzing trace with hash 376475625, now seen corresponding path program 1 times [2025-02-08 09:20:55,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:55,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367459572] [2025-02-08 09:20:55,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:55,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:55,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:20:55,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:20:55,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:55,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:55,542 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:20:55,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:55,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367459572] [2025-02-08 09:20:55,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367459572] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:20:55,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:20:55,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:20:55,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197235469] [2025-02-08 09:20:55,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:20:55,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:20:55,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:55,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:20:55,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:20:55,544 INFO L87 Difference]: Start difference. First operand 516 states and 650 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2025-02-08 09:20:56,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:56,580 INFO L93 Difference]: Finished difference Result 538 states and 659 transitions. [2025-02-08 09:20:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:20:56,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 44 [2025-02-08 09:20:56,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:56,583 INFO L225 Difference]: With dead ends: 538 [2025-02-08 09:20:56,583 INFO L226 Difference]: Without dead ends: 536 [2025-02-08 09:20:56,584 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 [2025-02-08 09:20:56,584 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 368 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:56,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 408 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:20:56,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2025-02-08 09:20:56,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 517. [2025-02-08 09:20:56,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 358 states have (on average 1.6731843575418994) internal successors, (599), 490 states have internal predecessors, (599), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:20:56,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 649 transitions. [2025-02-08 09:20:56,603 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 649 transitions. Word has length 44 [2025-02-08 09:20:56,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:56,603 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 649 transitions. [2025-02-08 09:20:56,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2025-02-08 09:20:56,604 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 649 transitions. [2025-02-08 09:20:56,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:20:56,605 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:56,605 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:56,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 09:20:56,606 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:20:56,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:56,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1425940004, now seen corresponding path program 1 times [2025-02-08 09:20:56,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:56,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583217391] [2025-02-08 09:20:56,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:56,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:56,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:20:56,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:20:56,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:56,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:20:56,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1895073270] [2025-02-08 09:20:56,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:56,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:56,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:56,624 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) [2025-02-08 09:20:56,627 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 [2025-02-08 09:20:56,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:20:56,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:20:56,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:56,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:56,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:20:56,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:20:56,836 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:20:56,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:56,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583217391] [2025-02-08 09:20:56,836 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:20:56,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895073270] [2025-02-08 09:20:56,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895073270] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:20:56,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:20:56,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:20:56,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325292537] [2025-02-08 09:20:56,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:20:56,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:20:56,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:56,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:20:56,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:20:56,837 INFO L87 Difference]: Start difference. First operand 517 states and 649 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2025-02-08 09:20:57,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:57,153 INFO L93 Difference]: Finished difference Result 539 states and 656 transitions. [2025-02-08 09:20:57,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:20:57,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 47 [2025-02-08 09:20:57,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:57,157 INFO L225 Difference]: With dead ends: 539 [2025-02-08 09:20:57,157 INFO L226 Difference]: Without dead ends: 525 [2025-02-08 09:20:57,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:20:57,159 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 112 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:57,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 305 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:20:57,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2025-02-08 09:20:57,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 520. [2025-02-08 09:20:57,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 361 states have (on average 1.6371191135734071) internal successors, (591), 493 states have internal predecessors, (591), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:20:57,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 641 transitions. [2025-02-08 09:20:57,172 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 641 transitions. Word has length 47 [2025-02-08 09:20:57,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:57,173 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 641 transitions. [2025-02-08 09:20:57,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2025-02-08 09:20:57,173 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 641 transitions. [2025-02-08 09:20:57,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-08 09:20:57,174 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:57,174 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:57,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 09:20:57,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:57,377 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:20:57,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:57,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1254467365, now seen corresponding path program 1 times [2025-02-08 09:20:57,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:57,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011330537] [2025-02-08 09:20:57,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:57,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:57,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:20:57,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:20:57,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:57,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:20:57,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:57,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011330537] [2025-02-08 09:20:57,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011330537] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:20:57,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:20:57,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:20:57,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150174951] [2025-02-08 09:20:57,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:20:57,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:20:57,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:57,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:20:57,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:20:57,470 INFO L87 Difference]: Start difference. First operand 520 states and 641 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2025-02-08 09:20:58,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:58,289 INFO L93 Difference]: Finished difference Result 529 states and 642 transitions. [2025-02-08 09:20:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:20:58,290 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 48 [2025-02-08 09:20:58,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:58,291 INFO L225 Difference]: With dead ends: 529 [2025-02-08 09:20:58,291 INFO L226 Difference]: Without dead ends: 527 [2025-02-08 09:20:58,292 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 [2025-02-08 09:20:58,292 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 255 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:58,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 402 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:20:58,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2025-02-08 09:20:58,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 520. [2025-02-08 09:20:58,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 361 states have (on average 1.631578947368421) internal successors, (589), 493 states have internal predecessors, (589), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:20:58,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 639 transitions. [2025-02-08 09:20:58,321 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 639 transitions. Word has length 48 [2025-02-08 09:20:58,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:58,321 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 639 transitions. [2025-02-08 09:20:58,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2025-02-08 09:20:58,321 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 639 transitions. [2025-02-08 09:20:58,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-08 09:20:58,321 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:58,321 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:58,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 09:20:58,321 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:20:58,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:58,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1811874207, now seen corresponding path program 1 times [2025-02-08 09:20:58,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:58,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497155485] [2025-02-08 09:20:58,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:58,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:58,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:20:58,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:20:58,335 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:58,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:58,414 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:20:58,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:58,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497155485] [2025-02-08 09:20:58,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497155485] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:20:58,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:20:58,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:20:58,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827216396] [2025-02-08 09:20:58,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:20:58,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:20:58,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:58,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:20:58,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:20:58,416 INFO L87 Difference]: Start difference. First operand 520 states and 639 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2025-02-08 09:20:59,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:59,277 INFO L93 Difference]: Finished difference Result 543 states and 656 transitions. [2025-02-08 09:20:59,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:20:59,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 52 [2025-02-08 09:20:59,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:59,279 INFO L225 Difference]: With dead ends: 543 [2025-02-08 09:20:59,279 INFO L226 Difference]: Without dead ends: 508 [2025-02-08 09:20:59,279 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 [2025-02-08 09:20:59,280 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 358 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:59,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 357 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:20:59,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2025-02-08 09:20:59,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 496. [2025-02-08 09:20:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 341 states have (on average 1.6715542521994136) internal successors, (570), 471 states have internal predecessors, (570), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:20:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 616 transitions. [2025-02-08 09:20:59,293 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 616 transitions. Word has length 52 [2025-02-08 09:20:59,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:59,294 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 616 transitions. [2025-02-08 09:20:59,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2025-02-08 09:20:59,294 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 616 transitions. [2025-02-08 09:20:59,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 09:20:59,295 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:59,295 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:59,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 09:20:59,295 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr89ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:20:59,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:59,295 INFO L85 PathProgramCache]: Analyzing trace with hash 908046274, now seen corresponding path program 1 times [2025-02-08 09:20:59,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:59,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975547603] [2025-02-08 09:20:59,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:59,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:59,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 09:20:59,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 09:20:59,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:59,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:59,345 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:20:59,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:59,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975547603] [2025-02-08 09:20:59,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975547603] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:20:59,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:20:59,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:20:59,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084749358] [2025-02-08 09:20:59,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:20:59,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:20:59,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:59,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:20:59,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:20:59,346 INFO L87 Difference]: Start difference. First operand 496 states and 616 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:20:59,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:59,629 INFO L93 Difference]: Finished difference Result 503 states and 616 transitions. [2025-02-08 09:20:59,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:20:59,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 80 [2025-02-08 09:20:59,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:59,631 INFO L225 Difference]: With dead ends: 503 [2025-02-08 09:20:59,631 INFO L226 Difference]: Without dead ends: 502 [2025-02-08 09:20:59,631 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 [2025-02-08 09:20:59,635 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 63 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:59,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 425 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:20:59,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2025-02-08 09:20:59,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 496. [2025-02-08 09:20:59,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 341 states have (on average 1.6686217008797655) internal successors, (569), 471 states have internal predecessors, (569), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:20:59,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 615 transitions. [2025-02-08 09:20:59,669 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 615 transitions. Word has length 80 [2025-02-08 09:20:59,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:59,669 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 615 transitions. [2025-02-08 09:20:59,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:20:59,670 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 615 transitions. [2025-02-08 09:20:59,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 09:20:59,675 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:59,675 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:59,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 09:20:59,675 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:20:59,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:59,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1146759938, now seen corresponding path program 1 times [2025-02-08 09:20:59,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:59,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257693009] [2025-02-08 09:20:59,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:59,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:59,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 09:20:59,689 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 09:20:59,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:59,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:59,753 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:20:59,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:59,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257693009] [2025-02-08 09:20:59,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257693009] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:20:59,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:20:59,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:20:59,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748335135] [2025-02-08 09:20:59,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:20:59,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:20:59,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:59,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:20:59,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:20:59,755 INFO L87 Difference]: Start difference. First operand 496 states and 615 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:20:59,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:59,960 INFO L93 Difference]: Finished difference Result 496 states and 615 transitions. [2025-02-08 09:20:59,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:20:59,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 84 [2025-02-08 09:20:59,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:59,963 INFO L225 Difference]: With dead ends: 496 [2025-02-08 09:20:59,963 INFO L226 Difference]: Without dead ends: 489 [2025-02-08 09:20:59,963 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 [2025-02-08 09:20:59,964 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 140 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:59,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 157 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:20:59,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2025-02-08 09:20:59,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2025-02-08 09:20:59,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 341 states have (on average 1.6363636363636365) internal successors, (558), 464 states have internal predecessors, (558), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:20:59,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 604 transitions. [2025-02-08 09:20:59,979 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 604 transitions. Word has length 84 [2025-02-08 09:20:59,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:59,980 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 604 transitions. [2025-02-08 09:20:59,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:20:59,980 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 604 transitions. [2025-02-08 09:20:59,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-08 09:20:59,980 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:59,981 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:59,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-08 09:20:59,981 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:20:59,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:59,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1189819565, now seen corresponding path program 1 times [2025-02-08 09:20:59,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:59,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909394319] [2025-02-08 09:20:59,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:59,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:59,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-08 09:20:59,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 09:20:59,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:59,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:00,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:00,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909394319] [2025-02-08 09:21:00,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909394319] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:00,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:00,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:00,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990300349] [2025-02-08 09:21:00,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:00,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:00,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:00,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:00,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:00,030 INFO L87 Difference]: Start difference. First operand 489 states and 604 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:00,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:00,243 INFO L93 Difference]: Finished difference Result 498 states and 607 transitions. [2025-02-08 09:21:00,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:00,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2025-02-08 09:21:00,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:00,245 INFO L225 Difference]: With dead ends: 498 [2025-02-08 09:21:00,245 INFO L226 Difference]: Without dead ends: 497 [2025-02-08 09:21:00,246 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 [2025-02-08 09:21:00,246 INFO L435 NwaCegarLoop]: 296 mSDtfsCounter, 62 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:00,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 441 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:00,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2025-02-08 09:21:00,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 491. [2025-02-08 09:21:00,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 343 states have (on average 1.6326530612244898) internal successors, (560), 466 states have internal predecessors, (560), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:21:00,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 606 transitions. [2025-02-08 09:21:00,273 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 606 transitions. Word has length 85 [2025-02-08 09:21:00,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:00,274 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 606 transitions. [2025-02-08 09:21:00,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:00,274 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 606 transitions. [2025-02-08 09:21:00,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-08 09:21:00,275 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:00,275 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:00,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-08 09:21:00,275 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:00,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:00,276 INFO L85 PathProgramCache]: Analyzing trace with hash -959823115, now seen corresponding path program 1 times [2025-02-08 09:21:00,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:00,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068855039] [2025-02-08 09:21:00,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:00,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:00,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-08 09:21:00,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-08 09:21:00,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:00,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:00,345 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:21:00,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:00,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068855039] [2025-02-08 09:21:00,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068855039] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:00,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:00,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:00,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691781207] [2025-02-08 09:21:00,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:00,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:00,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:00,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:00,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:00,347 INFO L87 Difference]: Start difference. First operand 491 states and 606 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-08 09:21:00,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:00,408 INFO L93 Difference]: Finished difference Result 491 states and 606 transitions. [2025-02-08 09:21:00,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:00,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 87 [2025-02-08 09:21:00,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:00,410 INFO L225 Difference]: With dead ends: 491 [2025-02-08 09:21:00,410 INFO L226 Difference]: Without dead ends: 489 [2025-02-08 09:21:00,411 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 [2025-02-08 09:21:00,411 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 192 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:00,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 262 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:21:00,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2025-02-08 09:21:00,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2025-02-08 09:21:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 343 states have (on average 1.6151603498542273) internal successors, (554), 464 states have internal predecessors, (554), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:21:00,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 600 transitions. [2025-02-08 09:21:00,425 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 600 transitions. Word has length 87 [2025-02-08 09:21:00,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:00,426 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 600 transitions. [2025-02-08 09:21:00,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-08 09:21:00,426 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 600 transitions. [2025-02-08 09:21:00,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-08 09:21:00,427 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:00,427 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:00,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 09:21:00,427 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:00,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:00,428 INFO L85 PathProgramCache]: Analyzing trace with hash -955292719, now seen corresponding path program 1 times [2025-02-08 09:21:00,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:00,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053908105] [2025-02-08 09:21:00,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:00,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:00,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-08 09:21:00,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-08 09:21:00,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:00,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:00,524 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:00,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:00,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053908105] [2025-02-08 09:21:00,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053908105] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:00,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822244245] [2025-02-08 09:21:00,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:00,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:00,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:00,530 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) [2025-02-08 09:21:00,535 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 [2025-02-08 09:21:00,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-08 09:21:00,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-08 09:21:00,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:00,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:00,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:21:00,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:00,701 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:00,701 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:21:00,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822244245] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:00,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:00,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-08 09:21:00,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885772930] [2025-02-08 09:21:00,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:00,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:21:00,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:00,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:21:00,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:21:00,703 INFO L87 Difference]: Start difference. First operand 489 states and 600 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:00,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:00,728 INFO L93 Difference]: Finished difference Result 489 states and 600 transitions. [2025-02-08 09:21:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:21:00,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 87 [2025-02-08 09:21:00,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:00,729 INFO L225 Difference]: With dead ends: 489 [2025-02-08 09:21:00,730 INFO L226 Difference]: Without dead ends: 488 [2025-02-08 09:21:00,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:21:00,731 INFO L435 NwaCegarLoop]: 282 mSDtfsCounter, 220 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:00,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 563 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:21:00,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2025-02-08 09:21:00,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2025-02-08 09:21:00,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 343 states have (on average 1.6122448979591837) internal successors, (553), 463 states have internal predecessors, (553), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:21:00,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 599 transitions. [2025-02-08 09:21:00,748 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 599 transitions. Word has length 87 [2025-02-08 09:21:00,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:00,749 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 599 transitions. [2025-02-08 09:21:00,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:00,749 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 599 transitions. [2025-02-08 09:21:00,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-08 09:21:00,750 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:00,750 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:00,760 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 [2025-02-08 09:21:00,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:00,951 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:00,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:00,951 INFO L85 PathProgramCache]: Analyzing trace with hash 310254639, now seen corresponding path program 1 times [2025-02-08 09:21:00,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:00,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863666763] [2025-02-08 09:21:00,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:00,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:00,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-08 09:21:00,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-08 09:21:00,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:00,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:01,026 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:21:01,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:01,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863666763] [2025-02-08 09:21:01,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863666763] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:01,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:01,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:21:01,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989268660] [2025-02-08 09:21:01,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:01,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:21:01,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:01,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:21:01,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:01,027 INFO L87 Difference]: Start difference. First operand 488 states and 599 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:21:01,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:01,196 INFO L93 Difference]: Finished difference Result 505 states and 599 transitions. [2025-02-08 09:21:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:21:01,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 88 [2025-02-08 09:21:01,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:01,198 INFO L225 Difference]: With dead ends: 505 [2025-02-08 09:21:01,199 INFO L226 Difference]: Without dead ends: 503 [2025-02-08 09:21:01,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:01,199 INFO L435 NwaCegarLoop]: 305 mSDtfsCounter, 126 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:01,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 809 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:01,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2025-02-08 09:21:01,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 488. [2025-02-08 09:21:01,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 343 states have (on average 1.6064139941690962) internal successors, (551), 463 states have internal predecessors, (551), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:21:01,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 597 transitions. [2025-02-08 09:21:01,212 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 597 transitions. Word has length 88 [2025-02-08 09:21:01,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:01,213 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 597 transitions. [2025-02-08 09:21:01,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:21:01,213 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 597 transitions. [2025-02-08 09:21:01,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-08 09:21:01,214 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:01,214 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:01,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-08 09:21:01,215 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr138ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:01,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:01,215 INFO L85 PathProgramCache]: Analyzing trace with hash 450697045, now seen corresponding path program 1 times [2025-02-08 09:21:01,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:01,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404306693] [2025-02-08 09:21:01,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:01,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:01,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-08 09:21:01,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-08 09:21:01,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:01,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:01,300 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:01,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:01,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404306693] [2025-02-08 09:21:01,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404306693] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:01,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594994208] [2025-02-08 09:21:01,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:01,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:01,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:01,306 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) [2025-02-08 09:21:01,312 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 [2025-02-08 09:21:01,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-08 09:21:01,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-08 09:21:01,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:01,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:01,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:21:01,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:01,473 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:01,473 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:21:01,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594994208] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:01,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:01,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-08 09:21:01,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288320559] [2025-02-08 09:21:01,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:01,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:21:01,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:01,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:21:01,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:21:01,475 INFO L87 Difference]: Start difference. First operand 488 states and 597 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:01,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:01,530 INFO L93 Difference]: Finished difference Result 565 states and 601 transitions. [2025-02-08 09:21:01,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:21:01,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 88 [2025-02-08 09:21:01,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:01,533 INFO L225 Difference]: With dead ends: 565 [2025-02-08 09:21:01,533 INFO L226 Difference]: Without dead ends: 564 [2025-02-08 09:21:01,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:21:01,534 INFO L435 NwaCegarLoop]: 441 mSDtfsCounter, 214 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 1471 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:01,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 1471 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:21:01,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2025-02-08 09:21:01,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 491. [2025-02-08 09:21:01,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 346 states have (on average 1.5982658959537572) internal successors, (553), 465 states have internal predecessors, (553), 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) [2025-02-08 09:21:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 599 transitions. [2025-02-08 09:21:01,547 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 599 transitions. Word has length 88 [2025-02-08 09:21:01,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:01,548 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 599 transitions. [2025-02-08 09:21:01,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 599 transitions. [2025-02-08 09:21:01,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-08 09:21:01,548 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:01,548 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:01,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 09:21:01,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-08 09:21:01,749 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:01,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:01,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1027959347, now seen corresponding path program 1 times [2025-02-08 09:21:01,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:01,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441369364] [2025-02-08 09:21:01,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:01,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:01,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-08 09:21:01,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 09:21:01,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:01,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:01,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1839555591] [2025-02-08 09:21:01,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:01,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:01,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:01,766 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) [2025-02-08 09:21:01,768 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 [2025-02-08 09:21:01,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-08 09:21:01,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 09:21:01,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:01,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:01,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:21:01,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:01,862 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:21:01,862 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:21:01,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:01,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441369364] [2025-02-08 09:21:01,863 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:01,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839555591] [2025-02-08 09:21:01,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839555591] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:01,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:01,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:01,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260981140] [2025-02-08 09:21:01,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:01,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:01,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:01,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:01,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:01,864 INFO L87 Difference]: Start difference. First operand 491 states and 599 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-08 09:21:01,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:01,985 INFO L93 Difference]: Finished difference Result 501 states and 599 transitions. [2025-02-08 09:21:01,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:01,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 89 [2025-02-08 09:21:01,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:01,987 INFO L225 Difference]: With dead ends: 501 [2025-02-08 09:21:01,988 INFO L226 Difference]: Without dead ends: 493 [2025-02-08 09:21:01,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:01,988 INFO L435 NwaCegarLoop]: 308 mSDtfsCounter, 55 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:01,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 504 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:21:01,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2025-02-08 09:21:02,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 491. [2025-02-08 09:21:02,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 346 states have (on average 1.5751445086705202) internal successors, (545), 465 states have internal predecessors, (545), 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) [2025-02-08 09:21:02,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 591 transitions. [2025-02-08 09:21:02,003 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 591 transitions. Word has length 89 [2025-02-08 09:21:02,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:02,003 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 591 transitions. [2025-02-08 09:21:02,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-08 09:21:02,003 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 591 transitions. [2025-02-08 09:21:02,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-08 09:21:02,004 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:02,004 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:02,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 09:21:02,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-08 09:21:02,209 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:02,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:02,210 INFO L85 PathProgramCache]: Analyzing trace with hash -671828333, now seen corresponding path program 1 times [2025-02-08 09:21:02,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:02,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729035098] [2025-02-08 09:21:02,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:02,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:02,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:21:02,221 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:21:02,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:02,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:02,262 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:02,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:02,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729035098] [2025-02-08 09:21:02,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729035098] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:02,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135677173] [2025-02-08 09:21:02,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:02,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:02,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:02,267 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) [2025-02-08 09:21:02,268 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 [2025-02-08 09:21:02,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:21:02,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:21:02,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:02,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:02,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:21:02,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:02,471 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:21:02,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135677173] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:02,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:02,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-08 09:21:02,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476875332] [2025-02-08 09:21:02,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:02,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:21:02,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:02,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:21:02,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:02,472 INFO L87 Difference]: Start difference. First operand 491 states and 591 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:02,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:02,615 INFO L93 Difference]: Finished difference Result 498 states and 591 transitions. [2025-02-08 09:21:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:21:02,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 90 [2025-02-08 09:21:02,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:02,617 INFO L225 Difference]: With dead ends: 498 [2025-02-08 09:21:02,617 INFO L226 Difference]: Without dead ends: 490 [2025-02-08 09:21:02,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:02,617 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 295 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:02,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 412 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:21:02,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2025-02-08 09:21:02,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 483. [2025-02-08 09:21:02,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 346 states have (on average 1.546242774566474) internal successors, (535), 457 states have internal predecessors, (535), 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) [2025-02-08 09:21:02,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 581 transitions. [2025-02-08 09:21:02,630 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 581 transitions. Word has length 90 [2025-02-08 09:21:02,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:02,630 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 581 transitions. [2025-02-08 09:21:02,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:02,630 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 581 transitions. [2025-02-08 09:21:02,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-08 09:21:02,631 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:02,631 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:02,637 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 [2025-02-08 09:21:02,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:02,832 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:02,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:02,833 INFO L85 PathProgramCache]: Analyzing trace with hash 648158413, now seen corresponding path program 1 times [2025-02-08 09:21:02,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:02,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685176685] [2025-02-08 09:21:02,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:02,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:02,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:21:02,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:21:02,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:02,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:02,884 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:02,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:02,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685176685] [2025-02-08 09:21:02,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685176685] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:02,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292530759] [2025-02-08 09:21:02,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:02,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:02,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:02,889 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) [2025-02-08 09:21:02,890 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 [2025-02-08 09:21:02,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:21:02,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:21:02,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:02,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:02,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:21:02,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:03,042 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:03,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292530759] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:03,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:21:03,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 09:21:03,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870955249] [2025-02-08 09:21:03,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:03,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:21:03,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:03,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:21:03,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:21:03,199 INFO L87 Difference]: Start difference. First operand 483 states and 581 transitions. Second operand has 7 states, 6 states have (on average 31.5) internal successors, (189), 7 states have internal predecessors, (189), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-08 09:21:03,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:03,471 INFO L93 Difference]: Finished difference Result 844 states and 1034 transitions. [2025-02-08 09:21:03,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:21:03,474 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 31.5) internal successors, (189), 7 states have internal predecessors, (189), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 91 [2025-02-08 09:21:03,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:03,476 INFO L225 Difference]: With dead ends: 844 [2025-02-08 09:21:03,476 INFO L226 Difference]: Without dead ends: 836 [2025-02-08 09:21:03,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:21:03,477 INFO L435 NwaCegarLoop]: 304 mSDtfsCounter, 490 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:03,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 1026 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:03,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2025-02-08 09:21:03,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 554. [2025-02-08 09:21:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 417 states have (on average 1.5227817745803358) internal successors, (635), 523 states have internal predecessors, (635), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 09:21:03,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 691 transitions. [2025-02-08 09:21:03,493 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 691 transitions. Word has length 91 [2025-02-08 09:21:03,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:03,493 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 691 transitions. [2025-02-08 09:21:03,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 31.5) internal successors, (189), 7 states have internal predecessors, (189), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-08 09:21:03,494 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 691 transitions. [2025-02-08 09:21:03,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-08 09:21:03,494 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:03,494 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:03,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 09:21:03,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:03,696 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:03,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:03,697 INFO L85 PathProgramCache]: Analyzing trace with hash -429332231, now seen corresponding path program 1 times [2025-02-08 09:21:03,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:03,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80043537] [2025-02-08 09:21:03,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:03,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:03,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-08 09:21:03,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-08 09:21:03,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:03,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:03,804 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:21:03,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:03,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80043537] [2025-02-08 09:21:03,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80043537] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:03,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007932737] [2025-02-08 09:21:03,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:03,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:03,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:03,807 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) [2025-02-08 09:21:03,810 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 [2025-02-08 09:21:03,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-08 09:21:03,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-08 09:21:03,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:03,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:03,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:21:03,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:03,999 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:03,999 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:21:04,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007932737] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:04,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:21:04,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2025-02-08 09:21:04,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142634117] [2025-02-08 09:21:04,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:04,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:21:04,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:04,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:21:04,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:21:04,135 INFO L87 Difference]: Start difference. First operand 554 states and 691 transitions. Second operand has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-02-08 09:21:04,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:04,400 INFO L93 Difference]: Finished difference Result 1176 states and 1288 transitions. [2025-02-08 09:21:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:21:04,400 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 100 [2025-02-08 09:21:04,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:04,403 INFO L225 Difference]: With dead ends: 1176 [2025-02-08 09:21:04,403 INFO L226 Difference]: Without dead ends: 1008 [2025-02-08 09:21:04,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:21:04,404 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 866 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:04,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 1542 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:04,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2025-02-08 09:21:04,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 768. [2025-02-08 09:21:04,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 613 states have (on average 1.595432300163132) internal successors, (978), 721 states have internal predecessors, (978), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2025-02-08 09:21:04,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1064 transitions. [2025-02-08 09:21:04,427 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1064 transitions. Word has length 100 [2025-02-08 09:21:04,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:04,427 INFO L471 AbstractCegarLoop]: Abstraction has 768 states and 1064 transitions. [2025-02-08 09:21:04,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-02-08 09:21:04,427 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1064 transitions. [2025-02-08 09:21:04,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-08 09:21:04,428 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:04,428 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:04,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 09:21:04,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:04,629 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:04,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:04,629 INFO L85 PathProgramCache]: Analyzing trace with hash 315059820, now seen corresponding path program 1 times [2025-02-08 09:21:04,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:04,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182515335] [2025-02-08 09:21:04,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:04,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:04,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 09:21:04,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 09:21:04,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:04,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:04,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [722509654] [2025-02-08 09:21:04,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:04,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:04,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:04,651 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) [2025-02-08 09:21:04,652 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 [2025-02-08 09:21:04,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 09:21:04,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 09:21:04,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:04,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:04,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:21:04,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:04,778 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:21:04,778 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:04,921 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:21:04,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:04,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182515335] [2025-02-08 09:21:04,921 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:04,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722509654] [2025-02-08 09:21:04,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722509654] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:04,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:21:04,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-02-08 09:21:04,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20557215] [2025-02-08 09:21:04,922 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:04,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:21:04,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:04,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:21:04,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:21:04,922 INFO L87 Difference]: Start difference. First operand 768 states and 1064 transitions. Second operand has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 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) [2025-02-08 09:21:05,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:05,103 INFO L93 Difference]: Finished difference Result 957 states and 1090 transitions. [2025-02-08 09:21:05,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:21:05,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 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 102 [2025-02-08 09:21:05,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:05,107 INFO L225 Difference]: With dead ends: 957 [2025-02-08 09:21:05,107 INFO L226 Difference]: Without dead ends: 951 [2025-02-08 09:21:05,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:21:05,112 INFO L435 NwaCegarLoop]: 347 mSDtfsCounter, 1241 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1258 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:05,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1258 Valid, 1005 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:21:05,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2025-02-08 09:21:05,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 763. [2025-02-08 09:21:05,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 613 states have (on average 1.5742251223491028) internal successors, (965), 716 states have internal predecessors, (965), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2025-02-08 09:21:05,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1051 transitions. [2025-02-08 09:21:05,135 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1051 transitions. Word has length 102 [2025-02-08 09:21:05,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:05,135 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 1051 transitions. [2025-02-08 09:21:05,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 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) [2025-02-08 09:21:05,136 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1051 transitions. [2025-02-08 09:21:05,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-08 09:21:05,136 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:05,136 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:05,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 09:21:05,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:05,337 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:05,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:05,338 INFO L85 PathProgramCache]: Analyzing trace with hash 2093345583, now seen corresponding path program 1 times [2025-02-08 09:21:05,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:05,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049192290] [2025-02-08 09:21:05,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:05,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:05,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 09:21:05,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 09:21:05,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:05,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:05,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1785492606] [2025-02-08 09:21:05,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:05,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:05,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:05,357 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) [2025-02-08 09:21:05,358 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 [2025-02-08 09:21:05,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 09:21:05,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 09:21:05,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:05,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:05,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:21:05,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:21:05,479 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:21:05,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:05,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049192290] [2025-02-08 09:21:05,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:05,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785492606] [2025-02-08 09:21:05,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785492606] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:05,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:05,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:21:05,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447242867] [2025-02-08 09:21:05,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:05,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:21:05,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:05,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:21:05,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:05,480 INFO L87 Difference]: Start difference. First operand 763 states and 1051 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:21:05,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:05,714 INFO L93 Difference]: Finished difference Result 764 states and 1051 transitions. [2025-02-08 09:21:05,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:05,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 104 [2025-02-08 09:21:05,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:05,717 INFO L225 Difference]: With dead ends: 764 [2025-02-08 09:21:05,717 INFO L226 Difference]: Without dead ends: 763 [2025-02-08 09:21:05,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:05,718 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 149 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:05,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 319 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:05,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2025-02-08 09:21:05,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 763. [2025-02-08 09:21:05,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 613 states have (on average 1.5725938009787928) internal successors, (964), 716 states have internal predecessors, (964), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2025-02-08 09:21:05,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1050 transitions. [2025-02-08 09:21:05,752 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1050 transitions. Word has length 104 [2025-02-08 09:21:05,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:05,752 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 1050 transitions. [2025-02-08 09:21:05,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:21:05,752 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1050 transitions. [2025-02-08 09:21:05,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-08 09:21:05,753 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:05,753 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:05,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 09:21:05,953 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,SelfDestructingSolverStorable22 [2025-02-08 09:21:05,954 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:05,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:05,954 INFO L85 PathProgramCache]: Analyzing trace with hash 469203740, now seen corresponding path program 1 times [2025-02-08 09:21:05,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:05,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238925599] [2025-02-08 09:21:05,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:05,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:05,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 09:21:05,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 09:21:05,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:05,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:05,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1547077937] [2025-02-08 09:21:05,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:05,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:05,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:05,986 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) [2025-02-08 09:21:05,990 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 [2025-02-08 09:21:06,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 09:21:06,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 09:21:06,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:06,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:06,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:21:06,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:06,200 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:21:06,200 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:21:06,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:06,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238925599] [2025-02-08 09:21:06,200 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:06,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547077937] [2025-02-08 09:21:06,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547077937] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:06,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:06,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:21:06,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924357431] [2025-02-08 09:21:06,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:06,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:21:06,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:06,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:21:06,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:06,201 INFO L87 Difference]: Start difference. First operand 763 states and 1050 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:21:06,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:06,536 INFO L93 Difference]: Finished difference Result 764 states and 1050 transitions. [2025-02-08 09:21:06,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:21:06,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 105 [2025-02-08 09:21:06,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:06,540 INFO L225 Difference]: With dead ends: 764 [2025-02-08 09:21:06,540 INFO L226 Difference]: Without dead ends: 763 [2025-02-08 09:21:06,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:06,541 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 96 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:06,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 356 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:21:06,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2025-02-08 09:21:06,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 763. [2025-02-08 09:21:06,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 613 states have (on average 1.570962479608483) internal successors, (963), 716 states have internal predecessors, (963), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2025-02-08 09:21:06,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1049 transitions. [2025-02-08 09:21:06,562 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1049 transitions. Word has length 105 [2025-02-08 09:21:06,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:06,562 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 1049 transitions. [2025-02-08 09:21:06,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:21:06,563 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1049 transitions. [2025-02-08 09:21:06,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-08 09:21:06,565 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:06,565 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:06,573 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 [2025-02-08 09:21:06,766 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,SelfDestructingSolverStorable23 [2025-02-08 09:21:06,766 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:06,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:06,767 INFO L85 PathProgramCache]: Analyzing trace with hash 768866549, now seen corresponding path program 1 times [2025-02-08 09:21:06,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:06,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121325299] [2025-02-08 09:21:06,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:06,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:06,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-08 09:21:06,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-08 09:21:06,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:06,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:06,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2122534486] [2025-02-08 09:21:06,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:06,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:06,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:06,788 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) [2025-02-08 09:21:06,809 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 [2025-02-08 09:21:06,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-08 09:21:06,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-08 09:21:06,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:06,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:06,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:21:06,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:07,033 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:07,033 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:21:07,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:07,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121325299] [2025-02-08 09:21:07,034 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:07,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122534486] [2025-02-08 09:21:07,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122534486] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:07,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:07,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:21:07,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317677517] [2025-02-08 09:21:07,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:07,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:21:07,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:07,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:21:07,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:07,035 INFO L87 Difference]: Start difference. First operand 763 states and 1049 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 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) [2025-02-08 09:21:07,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:07,498 INFO L93 Difference]: Finished difference Result 763 states and 1049 transitions. [2025-02-08 09:21:07,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:21:07,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 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 123 [2025-02-08 09:21:07,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:07,501 INFO L225 Difference]: With dead ends: 763 [2025-02-08 09:21:07,501 INFO L226 Difference]: Without dead ends: 753 [2025-02-08 09:21:07,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:21:07,502 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 235 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:07,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 319 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:21:07,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2025-02-08 09:21:07,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 753. [2025-02-08 09:21:07,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 753 states, 613 states have (on average 1.5187601957585644) internal successors, (931), 706 states have internal predecessors, (931), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2025-02-08 09:21:07,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1017 transitions. [2025-02-08 09:21:07,521 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1017 transitions. Word has length 123 [2025-02-08 09:21:07,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:07,522 INFO L471 AbstractCegarLoop]: Abstraction has 753 states and 1017 transitions. [2025-02-08 09:21:07,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 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) [2025-02-08 09:21:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1017 transitions. [2025-02-08 09:21:07,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-08 09:21:07,522 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:07,522 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2025-02-08 09:21:07,529 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 [2025-02-08 09:21:07,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:07,723 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:07,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:07,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1934940540, now seen corresponding path program 1 times [2025-02-08 09:21:07,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:07,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005606239] [2025-02-08 09:21:07,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:07,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:07,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-08 09:21:07,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-08 09:21:07,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:07,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:07,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [68269084] [2025-02-08 09:21:07,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:07,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:07,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:07,743 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) [2025-02-08 09:21:07,745 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 [2025-02-08 09:21:07,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-08 09:21:07,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-08 09:21:07,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:07,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:07,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:21:07,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:07,997 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:07,998 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:08,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:08,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005606239] [2025-02-08 09:21:08,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:08,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68269084] [2025-02-08 09:21:08,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68269084] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:08,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:08,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:21:08,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628101426] [2025-02-08 09:21:08,399 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:08,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:21:08,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:08,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:21:08,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:21:08,400 INFO L87 Difference]: Start difference. First operand 753 states and 1017 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 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) [2025-02-08 09:21:08,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:08,845 INFO L93 Difference]: Finished difference Result 805 states and 1040 transitions. [2025-02-08 09:21:08,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:21:08,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 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 124 [2025-02-08 09:21:08,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:08,848 INFO L225 Difference]: With dead ends: 805 [2025-02-08 09:21:08,848 INFO L226 Difference]: Without dead ends: 782 [2025-02-08 09:21:08,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:21:08,849 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 186 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:08,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 404 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:21:08,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2025-02-08 09:21:08,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 765. [2025-02-08 09:21:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 625 states have (on average 1.4832) internal successors, (927), 717 states have internal predecessors, (927), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2025-02-08 09:21:08,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1013 transitions. [2025-02-08 09:21:08,869 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1013 transitions. Word has length 124 [2025-02-08 09:21:08,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:08,869 INFO L471 AbstractCegarLoop]: Abstraction has 765 states and 1013 transitions. [2025-02-08 09:21:08,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 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) [2025-02-08 09:21:08,869 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1013 transitions. [2025-02-08 09:21:08,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-02-08 09:21:08,871 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:08,871 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2025-02-08 09:21:08,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 09:21:09,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:09,072 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:09,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:09,072 INFO L85 PathProgramCache]: Analyzing trace with hash 146385619, now seen corresponding path program 1 times [2025-02-08 09:21:09,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:09,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330542193] [2025-02-08 09:21:09,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:09,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:09,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-08 09:21:09,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-08 09:21:09,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:09,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:09,139 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:09,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:09,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330542193] [2025-02-08 09:21:09,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330542193] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:09,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182909002] [2025-02-08 09:21:09,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:09,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:09,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:09,147 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) [2025-02-08 09:21:09,148 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 [2025-02-08 09:21:09,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-08 09:21:09,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-08 09:21:09,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:09,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:09,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:21:09,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:09,369 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:09,483 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:09,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182909002] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:09,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:21:09,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 09:21:09,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881968260] [2025-02-08 09:21:09,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:09,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:21:09,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:09,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:21:09,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:21:09,485 INFO L87 Difference]: Start difference. First operand 765 states and 1013 transitions. Second operand has 7 states, 6 states have (on average 38.166666666666664) internal successors, (229), 7 states have internal predecessors, (229), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-08 09:21:09,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:09,955 INFO L93 Difference]: Finished difference Result 808 states and 1017 transitions. [2025-02-08 09:21:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:21:09,956 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 38.166666666666664) internal successors, (229), 7 states have internal predecessors, (229), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 125 [2025-02-08 09:21:09,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:09,958 INFO L225 Difference]: With dead ends: 808 [2025-02-08 09:21:09,958 INFO L226 Difference]: Without dead ends: 803 [2025-02-08 09:21:09,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:21:09,959 INFO L435 NwaCegarLoop]: 216 mSDtfsCounter, 693 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:09,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 530 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:21:09,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2025-02-08 09:21:09,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 764. [2025-02-08 09:21:09,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 625 states have (on average 1.4624) internal successors, (914), 716 states have internal predecessors, (914), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2025-02-08 09:21:09,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1000 transitions. [2025-02-08 09:21:09,977 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1000 transitions. Word has length 125 [2025-02-08 09:21:09,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:09,977 INFO L471 AbstractCegarLoop]: Abstraction has 764 states and 1000 transitions. [2025-02-08 09:21:09,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 38.166666666666664) internal successors, (229), 7 states have internal predecessors, (229), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-08 09:21:09,977 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1000 transitions. [2025-02-08 09:21:09,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-02-08 09:21:09,978 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:09,978 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2025-02-08 09:21:09,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-08 09:21:10,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-08 09:21:10,179 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:10,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:10,179 INFO L85 PathProgramCache]: Analyzing trace with hash 242987106, now seen corresponding path program 1 times [2025-02-08 09:21:10,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:10,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257321402] [2025-02-08 09:21:10,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:10,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:10,194 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-08 09:21:10,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-08 09:21:10,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:10,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:10,246 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:10,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:10,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257321402] [2025-02-08 09:21:10,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257321402] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:10,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848813542] [2025-02-08 09:21:10,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:10,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:10,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:10,252 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) [2025-02-08 09:21:10,259 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 [2025-02-08 09:21:10,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-08 09:21:10,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-08 09:21:10,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:10,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:10,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:21:10,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:10,450 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:10,450 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:10,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848813542] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:10,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:21:10,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 09:21:10,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571182175] [2025-02-08 09:21:10,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:10,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:21:10,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:10,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:21:10,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:21:10,575 INFO L87 Difference]: Start difference. First operand 764 states and 1000 transitions. Second operand has 7 states, 6 states have (on average 38.5) internal successors, (231), 7 states have internal predecessors, (231), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-08 09:21:11,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:11,005 INFO L93 Difference]: Finished difference Result 807 states and 1004 transitions. [2025-02-08 09:21:11,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:21:11,006 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 38.5) internal successors, (231), 7 states have internal predecessors, (231), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 126 [2025-02-08 09:21:11,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:11,010 INFO L225 Difference]: With dead ends: 807 [2025-02-08 09:21:11,010 INFO L226 Difference]: Without dead ends: 802 [2025-02-08 09:21:11,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:21:11,012 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 688 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:11,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [703 Valid, 510 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:21:11,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2025-02-08 09:21:11,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 763. [2025-02-08 09:21:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 625 states have (on average 1.4416) internal successors, (901), 715 states have internal predecessors, (901), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2025-02-08 09:21:11,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 987 transitions. [2025-02-08 09:21:11,040 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 987 transitions. Word has length 126 [2025-02-08 09:21:11,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:11,041 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 987 transitions. [2025-02-08 09:21:11,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 38.5) internal successors, (231), 7 states have internal predecessors, (231), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-08 09:21:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 987 transitions. [2025-02-08 09:21:11,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-02-08 09:21:11,042 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:11,042 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2025-02-08 09:21:11,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-08 09:21:11,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-08 09:21:11,243 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:11,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:11,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1057334095, now seen corresponding path program 1 times [2025-02-08 09:21:11,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:11,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924675008] [2025-02-08 09:21:11,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:11,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:11,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-02-08 09:21:11,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-02-08 09:21:11,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:11,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:11,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1986243110] [2025-02-08 09:21:11,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:11,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:11,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:11,265 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) [2025-02-08 09:21:11,269 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 [2025-02-08 09:21:11,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-02-08 09:21:11,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-02-08 09:21:11,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:11,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:11,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:21:11,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:11,763 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:11,763 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:11,970 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:11,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:11,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924675008] [2025-02-08 09:21:11,970 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:11,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986243110] [2025-02-08 09:21:11,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986243110] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:11,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:21:11,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:21:11,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172169015] [2025-02-08 09:21:11,971 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:11,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:21:11,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:11,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:21:11,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:21:11,972 INFO L87 Difference]: Start difference. First operand 763 states and 987 transitions. Second operand has 10 states, 9 states have (on average 19.666666666666668) internal successors, (177), 10 states have internal predecessors, (177), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:21:13,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:13,750 INFO L93 Difference]: Finished difference Result 809 states and 992 transitions. [2025-02-08 09:21:13,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:21:13,751 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.666666666666668) internal successors, (177), 10 states have internal predecessors, (177), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 127 [2025-02-08 09:21:13,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:13,753 INFO L225 Difference]: With dead ends: 809 [2025-02-08 09:21:13,753 INFO L226 Difference]: Without dead ends: 660 [2025-02-08 09:21:13,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:21:13,757 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 570 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 1672 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 1743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:13,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 546 Invalid, 1743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1672 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-08 09:21:13,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2025-02-08 09:21:13,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 651. [2025-02-08 09:21:13,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 521 states have (on average 1.4491362763915547) internal successors, (755), 609 states have internal predecessors, (755), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-08 09:21:13,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 829 transitions. [2025-02-08 09:21:13,786 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 829 transitions. Word has length 127 [2025-02-08 09:21:13,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:13,787 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 829 transitions. [2025-02-08 09:21:13,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.666666666666668) internal successors, (177), 10 states have internal predecessors, (177), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:21:13,787 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 829 transitions. [2025-02-08 09:21:13,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-02-08 09:21:13,788 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:13,788 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-02-08 09:21:13,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-08 09:21:13,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-08 09:21:13,992 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:13,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:13,992 INFO L85 PathProgramCache]: Analyzing trace with hash -2048889124, now seen corresponding path program 1 times [2025-02-08 09:21:13,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:13,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785508439] [2025-02-08 09:21:13,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:13,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:14,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-08 09:21:14,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-08 09:21:14,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:14,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2025-02-08 09:21:14,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:14,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785508439] [2025-02-08 09:21:14,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785508439] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:14,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:14,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:14,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951260048] [2025-02-08 09:21:14,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:14,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:14,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:14,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:14,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:14,045 INFO L87 Difference]: Start difference. First operand 651 states and 829 transitions. Second operand has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:21:14,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:14,260 INFO L93 Difference]: Finished difference Result 657 states and 829 transitions. [2025-02-08 09:21:14,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:14,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 169 [2025-02-08 09:21:14,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:14,262 INFO L225 Difference]: With dead ends: 657 [2025-02-08 09:21:14,262 INFO L226 Difference]: Without dead ends: 654 [2025-02-08 09:21:14,263 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 [2025-02-08 09:21:14,263 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 133 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:14,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 190 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:14,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2025-02-08 09:21:14,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 649. [2025-02-08 09:21:14,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 521 states have (on average 1.435700575815739) internal successors, (748), 607 states have internal predecessors, (748), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-08 09:21:14,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 822 transitions. [2025-02-08 09:21:14,280 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 822 transitions. Word has length 169 [2025-02-08 09:21:14,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:14,281 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 822 transitions. [2025-02-08 09:21:14,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:21:14,285 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 822 transitions. [2025-02-08 09:21:14,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-02-08 09:21:14,285 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:14,285 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:14,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-02-08 09:21:14,285 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:14,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:14,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1479139334, now seen corresponding path program 1 times [2025-02-08 09:21:14,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:14,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266457030] [2025-02-08 09:21:14,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:14,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:14,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-08 09:21:14,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-08 09:21:14,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:14,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:14,363 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:21:14,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:14,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266457030] [2025-02-08 09:21:14,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266457030] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:14,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170887909] [2025-02-08 09:21:14,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:14,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:14,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:14,365 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) [2025-02-08 09:21:14,369 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 [2025-02-08 09:21:14,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-08 09:21:14,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-08 09:21:14,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:14,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:14,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:21:14,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:21:14,537 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:14,678 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:21:14,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170887909] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:14,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:21:14,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-02-08 09:21:14,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202117071] [2025-02-08 09:21:14,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:14,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:21:14,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:14,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:21:14,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:21:14,680 INFO L87 Difference]: Start difference. First operand 649 states and 822 transitions. Second operand has 9 states, 8 states have (on average 36.375) internal successors, (291), 9 states have internal predecessors, (291), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-02-08 09:21:15,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:15,004 INFO L93 Difference]: Finished difference Result 716 states and 823 transitions. [2025-02-08 09:21:15,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:21:15,005 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 36.375) internal successors, (291), 9 states have internal predecessors, (291), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 172 [2025-02-08 09:21:15,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:15,007 INFO L225 Difference]: With dead ends: 716 [2025-02-08 09:21:15,007 INFO L226 Difference]: Without dead ends: 714 [2025-02-08 09:21:15,007 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:21:15,008 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 885 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:15,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 843 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:21:15,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2025-02-08 09:21:15,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 647. [2025-02-08 09:21:15,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 521 states have (on average 1.420345489443378) internal successors, (740), 605 states have internal predecessors, (740), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-08 09:21:15,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 814 transitions. [2025-02-08 09:21:15,025 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 814 transitions. Word has length 172 [2025-02-08 09:21:15,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:15,025 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 814 transitions. [2025-02-08 09:21:15,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 36.375) internal successors, (291), 9 states have internal predecessors, (291), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-02-08 09:21:15,026 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 814 transitions. [2025-02-08 09:21:15,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-08 09:21:15,026 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:15,026 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:15,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-08 09:21:15,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:15,231 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:15,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:15,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1391320772, now seen corresponding path program 1 times [2025-02-08 09:21:15,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:15,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413633136] [2025-02-08 09:21:15,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:15,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:15,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 09:21:15,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 09:21:15,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:15,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:15,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1678504419] [2025-02-08 09:21:15,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:15,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:15,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:15,253 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) [2025-02-08 09:21:15,255 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 [2025-02-08 09:21:15,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 09:21:15,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 09:21:15,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:15,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:15,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:21:15,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:15,684 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:21:15,684 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:16,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:16,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413633136] [2025-02-08 09:21:16,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:16,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678504419] [2025-02-08 09:21:16,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678504419] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:16,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:16,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:21:16,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199130400] [2025-02-08 09:21:16,247 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:16,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:21:16,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:16,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:21:16,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:21:16,248 INFO L87 Difference]: Start difference. First operand 647 states and 814 transitions. Second operand has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-08 09:21:16,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:16,706 INFO L93 Difference]: Finished difference Result 648 states and 814 transitions. [2025-02-08 09:21:16,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:21:16,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 173 [2025-02-08 09:21:16,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:16,712 INFO L225 Difference]: With dead ends: 648 [2025-02-08 09:21:16,712 INFO L226 Difference]: Without dead ends: 647 [2025-02-08 09:21:16,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:21:16,713 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 32 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:16,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 459 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:21:16,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2025-02-08 09:21:16,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2025-02-08 09:21:16,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 521 states have (on average 1.418426103646833) internal successors, (739), 605 states have internal predecessors, (739), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-08 09:21:16,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 813 transitions. [2025-02-08 09:21:16,736 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 813 transitions. Word has length 173 [2025-02-08 09:21:16,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:16,737 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 813 transitions. [2025-02-08 09:21:16,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-08 09:21:16,737 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 813 transitions. [2025-02-08 09:21:16,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-08 09:21:16,737 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:16,738 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-08 09:21:16,744 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 [2025-02-08 09:21:16,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:16,939 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:16,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:16,939 INFO L85 PathProgramCache]: Analyzing trace with hash -181270844, now seen corresponding path program 1 times [2025-02-08 09:21:16,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:16,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443479273] [2025-02-08 09:21:16,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:16,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:16,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 09:21:16,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 09:21:16,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:16,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:16,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [904838173] [2025-02-08 09:21:16,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:16,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:16,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:16,966 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) [2025-02-08 09:21:16,971 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 [2025-02-08 09:21:16,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 09:21:17,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 09:21:17,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:17,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:17,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:21:17,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:21:17,385 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:17,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:17,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443479273] [2025-02-08 09:21:17,488 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:17,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904838173] [2025-02-08 09:21:17,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904838173] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:17,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:17,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:21:17,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990894541] [2025-02-08 09:21:17,488 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:17,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:21:17,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:17,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:21:17,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:21:17,489 INFO L87 Difference]: Start difference. First operand 647 states and 813 transitions. Second operand has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-08 09:21:18,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:18,022 INFO L93 Difference]: Finished difference Result 658 states and 813 transitions. [2025-02-08 09:21:18,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:21:18,022 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 174 [2025-02-08 09:21:18,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:18,024 INFO L225 Difference]: With dead ends: 658 [2025-02-08 09:21:18,024 INFO L226 Difference]: Without dead ends: 657 [2025-02-08 09:21:18,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:21:18,025 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 69 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:18,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 552 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:21:18,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2025-02-08 09:21:18,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 647. [2025-02-08 09:21:18,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 521 states have (on average 1.416506717850288) internal successors, (738), 605 states have internal predecessors, (738), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-08 09:21:18,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 812 transitions. [2025-02-08 09:21:18,040 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 812 transitions. Word has length 174 [2025-02-08 09:21:18,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:18,040 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 812 transitions. [2025-02-08 09:21:18,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-08 09:21:18,041 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 812 transitions. [2025-02-08 09:21:18,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2025-02-08 09:21:18,041 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:18,041 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:18,049 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 [2025-02-08 09:21:18,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:18,246 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:18,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:18,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1465697480, now seen corresponding path program 1 times [2025-02-08 09:21:18,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:18,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098249451] [2025-02-08 09:21:18,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:18,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:18,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-02-08 09:21:18,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-02-08 09:21:18,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:18,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:18,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1376970334] [2025-02-08 09:21:18,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:18,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:18,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:18,268 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) [2025-02-08 09:21:18,269 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 [2025-02-08 09:21:18,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-02-08 09:21:18,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-02-08 09:21:18,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:18,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:18,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:21:18,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:18,822 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:21:18,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:19,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:19,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098249451] [2025-02-08 09:21:19,136 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:19,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376970334] [2025-02-08 09:21:19,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376970334] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:19,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:19,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:21:19,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424619412] [2025-02-08 09:21:19,136 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:19,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:21:19,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:19,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:21:19,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:21:19,137 INFO L87 Difference]: Start difference. First operand 647 states and 812 transitions. Second operand has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-08 09:21:19,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:19,627 INFO L93 Difference]: Finished difference Result 651 states and 812 transitions. [2025-02-08 09:21:19,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:21:19,627 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 177 [2025-02-08 09:21:19,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:19,629 INFO L225 Difference]: With dead ends: 651 [2025-02-08 09:21:19,629 INFO L226 Difference]: Without dead ends: 647 [2025-02-08 09:21:19,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:21:19,630 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 27 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:19,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 414 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:21:19,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2025-02-08 09:21:19,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2025-02-08 09:21:19,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 521 states have (on average 1.4088291746641075) internal successors, (734), 605 states have internal predecessors, (734), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-08 09:21:19,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 808 transitions. [2025-02-08 09:21:19,644 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 808 transitions. Word has length 177 [2025-02-08 09:21:19,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:19,644 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 808 transitions. [2025-02-08 09:21:19,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-08 09:21:19,644 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 808 transitions. [2025-02-08 09:21:19,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-08 09:21:19,645 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:19,645 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:19,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-08 09:21:19,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:19,846 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:19,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:19,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1808018496, now seen corresponding path program 1 times [2025-02-08 09:21:19,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:19,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422512140] [2025-02-08 09:21:19,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:19,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:19,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 09:21:19,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 09:21:19,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:19,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:19,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [639094275] [2025-02-08 09:21:19,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:19,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:19,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:19,866 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) [2025-02-08 09:21:19,866 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 [2025-02-08 09:21:19,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 09:21:19,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 09:21:19,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:19,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:19,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:21:19,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:20,273 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:21:20,273 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:20,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:20,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422512140] [2025-02-08 09:21:20,346 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:20,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639094275] [2025-02-08 09:21:20,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639094275] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:20,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:20,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:21:20,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715500273] [2025-02-08 09:21:20,346 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:20,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:21:20,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:20,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:21:20,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:21:20,347 INFO L87 Difference]: Start difference. First operand 647 states and 808 transitions. Second operand has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-08 09:21:20,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:20,756 INFO L93 Difference]: Finished difference Result 651 states and 808 transitions. [2025-02-08 09:21:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:21:20,756 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 178 [2025-02-08 09:21:20,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:20,758 INFO L225 Difference]: With dead ends: 651 [2025-02-08 09:21:20,758 INFO L226 Difference]: Without dead ends: 647 [2025-02-08 09:21:20,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:21:20,759 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 44 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:20,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 500 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:21:20,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2025-02-08 09:21:20,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2025-02-08 09:21:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 521 states have (on average 1.401151631477927) internal successors, (730), 605 states have internal predecessors, (730), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-08 09:21:20,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 804 transitions. [2025-02-08 09:21:20,774 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 804 transitions. Word has length 178 [2025-02-08 09:21:20,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:20,779 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 804 transitions. [2025-02-08 09:21:20,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-08 09:21:20,779 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 804 transitions. [2025-02-08 09:21:20,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-02-08 09:21:20,780 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:20,780 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:20,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-08 09:21:20,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-08 09:21:20,981 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:20,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:20,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1227599998, now seen corresponding path program 1 times [2025-02-08 09:21:20,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:20,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071980474] [2025-02-08 09:21:20,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:20,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:20,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-02-08 09:21:21,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-02-08 09:21:21,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:21,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:21,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139499841] [2025-02-08 09:21:21,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:21,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:21,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:21,006 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) [2025-02-08 09:21:21,008 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 [2025-02-08 09:21:21,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-02-08 09:21:21,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-02-08 09:21:21,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:21,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:21,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:21:21,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:21,644 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 33 proven. 56 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2025-02-08 09:21:21,644 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:21,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:21,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071980474] [2025-02-08 09:21:21,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:21,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139499841] [2025-02-08 09:21:21,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139499841] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:21,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:21,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:21:21,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97311192] [2025-02-08 09:21:21,697 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:21,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:21:21,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:21,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:21:21,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:21:21,698 INFO L87 Difference]: Start difference. First operand 647 states and 804 transitions. Second operand has 9 states, 8 states have (on average 17.75) internal successors, (142), 9 states have internal predecessors, (142), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2025-02-08 09:21:22,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:22,458 INFO L93 Difference]: Finished difference Result 657 states and 808 transitions. [2025-02-08 09:21:22,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:21:22,459 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.75) internal successors, (142), 9 states have internal predecessors, (142), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 196 [2025-02-08 09:21:22,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:22,460 INFO L225 Difference]: With dead ends: 657 [2025-02-08 09:21:22,460 INFO L226 Difference]: Without dead ends: 617 [2025-02-08 09:21:22,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:21:22,461 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 28 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:22,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 946 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1481 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:21:22,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2025-02-08 09:21:22,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 613. [2025-02-08 09:21:22,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 489 states have (on average 1.4151329243353783) internal successors, (692), 573 states have internal predecessors, (692), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:21:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 762 transitions. [2025-02-08 09:21:22,490 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 762 transitions. Word has length 196 [2025-02-08 09:21:22,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:22,490 INFO L471 AbstractCegarLoop]: Abstraction has 613 states and 762 transitions. [2025-02-08 09:21:22,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.75) internal successors, (142), 9 states have internal predecessors, (142), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2025-02-08 09:21:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 762 transitions. [2025-02-08 09:21:22,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-02-08 09:21:22,494 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:22,495 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2025-02-08 09:21:22,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-08 09:21:22,699 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,SelfDestructingSolverStorable35 [2025-02-08 09:21:22,699 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:22,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:22,700 INFO L85 PathProgramCache]: Analyzing trace with hash 973308822, now seen corresponding path program 1 times [2025-02-08 09:21:22,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:22,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475549513] [2025-02-08 09:21:22,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:22,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:22,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-02-08 09:21:22,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-02-08 09:21:22,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:22,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:22,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835341027] [2025-02-08 09:21:22,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:22,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:22,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:22,725 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) [2025-02-08 09:21:22,726 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 [2025-02-08 09:21:22,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-02-08 09:21:22,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-02-08 09:21:22,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:22,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:22,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:21:22,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:22,950 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-08 09:21:22,950 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:23,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:23,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475549513] [2025-02-08 09:21:23,014 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:23,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835341027] [2025-02-08 09:21:23,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835341027] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:23,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:23,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:21:23,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455180837] [2025-02-08 09:21:23,014 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:23,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:21:23,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:23,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:21:23,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:21:23,015 INFO L87 Difference]: Start difference. First operand 613 states and 762 transitions. Second operand has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 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) [2025-02-08 09:21:23,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:23,114 INFO L93 Difference]: Finished difference Result 699 states and 782 transitions. [2025-02-08 09:21:23,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:21:23,115 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 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 201 [2025-02-08 09:21:23,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:23,116 INFO L225 Difference]: With dead ends: 699 [2025-02-08 09:21:23,116 INFO L226 Difference]: Without dead ends: 698 [2025-02-08 09:21:23,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:21:23,117 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 184 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:23,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 697 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:21:23,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2025-02-08 09:21:23,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 613. [2025-02-08 09:21:23,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 489 states have (on average 1.413087934560327) internal successors, (691), 573 states have internal predecessors, (691), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:21:23,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 761 transitions. [2025-02-08 09:21:23,133 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 761 transitions. Word has length 201 [2025-02-08 09:21:23,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:23,134 INFO L471 AbstractCegarLoop]: Abstraction has 613 states and 761 transitions. [2025-02-08 09:21:23,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 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) [2025-02-08 09:21:23,134 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 761 transitions. [2025-02-08 09:21:23,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2025-02-08 09:21:23,134 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:23,135 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2025-02-08 09:21:23,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-02-08 09:21:23,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-08 09:21:23,335 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:23,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:23,336 INFO L85 PathProgramCache]: Analyzing trace with hash -253490469, now seen corresponding path program 2 times [2025-02-08 09:21:23,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:23,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956563988] [2025-02-08 09:21:23,336 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:23,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:23,343 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 208 statements into 2 equivalence classes. [2025-02-08 09:21:23,354 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 208 of 208 statements. [2025-02-08 09:21:23,354 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:23,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:23,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1301019853] [2025-02-08 09:21:23,355 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:23,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:23,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:23,357 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) [2025-02-08 09:21:23,367 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 [2025-02-08 09:21:23,393 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 208 statements into 2 equivalence classes. [2025-02-08 09:21:23,431 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 208 of 208 statements. [2025-02-08 09:21:23,431 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:23,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:23,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:21:23,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:23,960 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:23,960 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:24,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:24,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956563988] [2025-02-08 09:21:24,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:24,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301019853] [2025-02-08 09:21:24,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301019853] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:24,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:24,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:21:24,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144513557] [2025-02-08 09:21:24,204 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:24,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:21:24,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:24,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:21:24,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:21:24,206 INFO L87 Difference]: Start difference. First operand 613 states and 761 transitions. Second operand has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-08 09:21:24,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:24,925 INFO L93 Difference]: Finished difference Result 654 states and 781 transitions. [2025-02-08 09:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:21:24,926 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 208 [2025-02-08 09:21:24,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:24,927 INFO L225 Difference]: With dead ends: 654 [2025-02-08 09:21:24,927 INFO L226 Difference]: Without dead ends: 632 [2025-02-08 09:21:24,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:21:24,929 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 120 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 1881 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 1902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:24,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 580 Invalid, 1902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1881 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:21:24,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2025-02-08 09:21:24,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 621. [2025-02-08 09:21:24,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 497 states have (on average 1.3661971830985915) internal successors, (679), 580 states have internal predecessors, (679), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:21:24,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 749 transitions. [2025-02-08 09:21:24,944 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 749 transitions. Word has length 208 [2025-02-08 09:21:24,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:24,944 INFO L471 AbstractCegarLoop]: Abstraction has 621 states and 749 transitions. [2025-02-08 09:21:24,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-08 09:21:24,944 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 749 transitions. [2025-02-08 09:21:24,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-02-08 09:21:24,951 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:24,951 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2025-02-08 09:21:24,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-08 09:21:25,151 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,SelfDestructingSolverStorable37 [2025-02-08 09:21:25,151 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:25,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:25,152 INFO L85 PathProgramCache]: Analyzing trace with hash 731730268, now seen corresponding path program 2 times [2025-02-08 09:21:25,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:25,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080542693] [2025-02-08 09:21:25,152 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:25,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:25,159 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 209 statements into 2 equivalence classes. [2025-02-08 09:21:25,168 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 209 of 209 statements. [2025-02-08 09:21:25,168 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:25,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:25,249 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:25,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:25,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080542693] [2025-02-08 09:21:25,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080542693] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:25,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002365693] [2025-02-08 09:21:25,250 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:25,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:25,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:25,252 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) [2025-02-08 09:21:25,254 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 [2025-02-08 09:21:25,278 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 209 statements into 2 equivalence classes. [2025-02-08 09:21:25,306 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 209 of 209 statements. [2025-02-08 09:21:25,307 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:25,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:25,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:21:25,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:25,633 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:25,811 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:25,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002365693] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:25,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:21:25,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-08 09:21:25,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483855231] [2025-02-08 09:21:25,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:25,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:21:25,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:25,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:21:25,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:21:25,814 INFO L87 Difference]: Start difference. First operand 621 states and 749 transitions. Second operand has 13 states, 12 states have (on average 33.833333333333336) internal successors, (406), 13 states have internal predecessors, (406), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-08 09:21:26,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:26,837 INFO L93 Difference]: Finished difference Result 621 states and 749 transitions. [2025-02-08 09:21:26,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:21:26,838 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 33.833333333333336) internal successors, (406), 13 states have internal predecessors, (406), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 209 [2025-02-08 09:21:26,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:26,839 INFO L225 Difference]: With dead ends: 621 [2025-02-08 09:21:26,839 INFO L226 Difference]: Without dead ends: 614 [2025-02-08 09:21:26,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:21:26,840 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 677 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:26,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 431 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:21:26,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2025-02-08 09:21:26,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 614. [2025-02-08 09:21:26,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 497 states have (on average 1.340040241448692) internal successors, (666), 573 states have internal predecessors, (666), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:21:26,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 736 transitions. [2025-02-08 09:21:26,854 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 736 transitions. Word has length 209 [2025-02-08 09:21:26,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:26,854 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 736 transitions. [2025-02-08 09:21:26,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 33.833333333333336) internal successors, (406), 13 states have internal predecessors, (406), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-08 09:21:26,855 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 736 transitions. [2025-02-08 09:21:26,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2025-02-08 09:21:26,855 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:26,855 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2025-02-08 09:21:26,861 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 [2025-02-08 09:21:27,056 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,SelfDestructingSolverStorable38 [2025-02-08 09:21:27,056 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:27,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:27,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1208802041, now seen corresponding path program 2 times [2025-02-08 09:21:27,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:27,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665752816] [2025-02-08 09:21:27,057 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:27,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:27,062 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 210 statements into 2 equivalence classes. [2025-02-08 09:21:27,067 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 210 of 210 statements. [2025-02-08 09:21:27,067 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:27,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:27,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:27,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665752816] [2025-02-08 09:21:27,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665752816] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:27,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923145417] [2025-02-08 09:21:27,142 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:27,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:27,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:27,144 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) [2025-02-08 09:21:27,146 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 [2025-02-08 09:21:27,169 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 210 statements into 2 equivalence classes. [2025-02-08 09:21:27,195 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 210 of 210 statements. [2025-02-08 09:21:27,195 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:27,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:27,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:21:27,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:27,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:27,740 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:27,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923145417] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:27,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:21:27,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-08 09:21:27,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044715296] [2025-02-08 09:21:27,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:27,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:21:27,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:27,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:21:27,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:21:27,743 INFO L87 Difference]: Start difference. First operand 614 states and 736 transitions. Second operand has 13 states, 12 states have (on average 34.0) internal successors, (408), 13 states have internal predecessors, (408), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-08 09:21:28,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:28,483 INFO L93 Difference]: Finished difference Result 681 states and 778 transitions. [2025-02-08 09:21:28,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:21:28,484 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 34.0) internal successors, (408), 13 states have internal predecessors, (408), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 210 [2025-02-08 09:21:28,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:28,486 INFO L225 Difference]: With dead ends: 681 [2025-02-08 09:21:28,486 INFO L226 Difference]: Without dead ends: 679 [2025-02-08 09:21:28,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:21:28,489 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 567 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:28,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 700 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:21:28,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2025-02-08 09:21:28,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 639. [2025-02-08 09:21:28,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 519 states have (on average 1.3275529865125242) internal successors, (689), 595 states have internal predecessors, (689), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-02-08 09:21:28,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 765 transitions. [2025-02-08 09:21:28,505 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 765 transitions. Word has length 210 [2025-02-08 09:21:28,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:28,505 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 765 transitions. [2025-02-08 09:21:28,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 34.0) internal successors, (408), 13 states have internal predecessors, (408), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-08 09:21:28,505 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 765 transitions. [2025-02-08 09:21:28,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2025-02-08 09:21:28,506 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:28,506 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2025-02-08 09:21:28,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-08 09:21:28,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-08 09:21:28,707 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:28,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:28,707 INFO L85 PathProgramCache]: Analyzing trace with hash 2017598231, now seen corresponding path program 1 times [2025-02-08 09:21:28,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:28,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811322574] [2025-02-08 09:21:28,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:28,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:28,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 212 statements into 1 equivalence classes. [2025-02-08 09:21:28,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 212 of 212 statements. [2025-02-08 09:21:28,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:28,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:28,838 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:28,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:28,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811322574] [2025-02-08 09:21:28,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811322574] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:28,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816791185] [2025-02-08 09:21:28,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:28,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:28,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:28,841 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) [2025-02-08 09:21:28,846 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 [2025-02-08 09:21:28,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 212 statements into 1 equivalence classes. [2025-02-08 09:21:28,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 212 of 212 statements. [2025-02-08 09:21:28,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:28,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:28,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:21:28,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:29,267 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:29,267 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:29,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816791185] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:29,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:21:29,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 09:21:29,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332688373] [2025-02-08 09:21:29,319 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:29,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:21:29,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:29,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:21:29,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:21:29,320 INFO L87 Difference]: Start difference. First operand 639 states and 765 transitions. Second operand has 11 states, 10 states have (on average 27.0) internal successors, (270), 11 states have internal predecessors, (270), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-02-08 09:21:31,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:31,238 INFO L93 Difference]: Finished difference Result 644 states and 765 transitions. [2025-02-08 09:21:31,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:21:31,239 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.0) internal successors, (270), 11 states have internal predecessors, (270), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 212 [2025-02-08 09:21:31,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:31,240 INFO L225 Difference]: With dead ends: 644 [2025-02-08 09:21:31,241 INFO L226 Difference]: Without dead ends: 632 [2025-02-08 09:21:31,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:21:31,241 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 1064 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:31,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 539 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-02-08 09:21:31,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2025-02-08 09:21:31,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2025-02-08 09:21:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 519 states have (on average 1.298651252408478) internal successors, (674), 588 states have internal predecessors, (674), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-02-08 09:21:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 750 transitions. [2025-02-08 09:21:31,257 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 750 transitions. Word has length 212 [2025-02-08 09:21:31,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:31,257 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 750 transitions. [2025-02-08 09:21:31,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.0) internal successors, (270), 11 states have internal predecessors, (270), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-02-08 09:21:31,258 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 750 transitions. [2025-02-08 09:21:31,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2025-02-08 09:21:31,258 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:31,258 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2025-02-08 09:21:31,265 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 [2025-02-08 09:21:31,463 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,SelfDestructingSolverStorable40 [2025-02-08 09:21:31,463 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:31,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:31,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1798202314, now seen corresponding path program 1 times [2025-02-08 09:21:31,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:31,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261226548] [2025-02-08 09:21:31,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:31,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:31,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-02-08 09:21:31,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-02-08 09:21:31,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:31,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:31,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [909272103] [2025-02-08 09:21:31,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:31,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:31,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:31,484 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) [2025-02-08 09:21:31,485 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 [2025-02-08 09:21:31,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-02-08 09:21:31,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-02-08 09:21:31,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:31,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:31,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:21:31,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:32,078 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:32,079 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:32,467 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:32,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:32,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261226548] [2025-02-08 09:21:32,471 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:32,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909272103] [2025-02-08 09:21:32,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909272103] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:32,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:21:32,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-08 09:21:32,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677450882] [2025-02-08 09:21:32,471 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:32,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:21:32,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:32,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:21:32,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:21:32,472 INFO L87 Difference]: Start difference. First operand 632 states and 750 transitions. Second operand has 16 states, 15 states have (on average 20.2) internal successors, (303), 16 states have internal predecessors, (303), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-02-08 09:21:34,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:21:37,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:37,670 INFO L93 Difference]: Finished difference Result 1022 states and 1295 transitions. [2025-02-08 09:21:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:21:37,671 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 20.2) internal successors, (303), 16 states have internal predecessors, (303), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 215 [2025-02-08 09:21:37,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:37,676 INFO L225 Difference]: With dead ends: 1022 [2025-02-08 09:21:37,676 INFO L226 Difference]: Without dead ends: 942 [2025-02-08 09:21:37,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:21:37,677 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 830 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 3395 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 3492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 3395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:37,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [844 Valid, 1115 Invalid, 3492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 3395 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2025-02-08 09:21:37,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2025-02-08 09:21:37,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 736. [2025-02-08 09:21:37,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 616 states have (on average 1.3214285714285714) internal successors, (814), 685 states have internal predecessors, (814), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-08 09:21:37,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 904 transitions. [2025-02-08 09:21:37,698 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 904 transitions. Word has length 215 [2025-02-08 09:21:37,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:37,698 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 904 transitions. [2025-02-08 09:21:37,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 20.2) internal successors, (303), 16 states have internal predecessors, (303), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-02-08 09:21:37,698 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 904 transitions. [2025-02-08 09:21:37,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2025-02-08 09:21:37,699 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:37,699 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-02-08 09:21:37,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-02-08 09:21:37,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:37,903 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:37,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:37,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1484075461, now seen corresponding path program 2 times [2025-02-08 09:21:37,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:37,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843618840] [2025-02-08 09:21:37,903 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:37,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:37,909 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 257 statements into 2 equivalence classes. [2025-02-08 09:21:37,921 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 257 of 257 statements. [2025-02-08 09:21:37,921 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:37,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:37,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1161097300] [2025-02-08 09:21:37,922 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:37,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:37,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:37,925 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) [2025-02-08 09:21:37,926 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 [2025-02-08 09:21:37,957 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 257 statements into 2 equivalence classes. [2025-02-08 09:21:37,991 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 257 of 257 statements. [2025-02-08 09:21:37,991 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:37,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:37,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:21:37,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:38,549 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:21:38,549 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:38,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:38,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843618840] [2025-02-08 09:21:38,904 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:38,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161097300] [2025-02-08 09:21:38,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161097300] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:38,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:38,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:21:38,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677677992] [2025-02-08 09:21:38,904 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:38,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:21:38,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:38,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:21:38,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:21:38,906 INFO L87 Difference]: Start difference. First operand 736 states and 904 transitions. Second operand has 8 states, 7 states have (on average 25.714285714285715) internal successors, (180), 8 states have internal predecessors, (180), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:21:39,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:39,790 INFO L93 Difference]: Finished difference Result 737 states and 904 transitions. [2025-02-08 09:21:39,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:21:39,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.714285714285715) internal successors, (180), 8 states have internal predecessors, (180), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 257 [2025-02-08 09:21:39,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:39,792 INFO L225 Difference]: With dead ends: 737 [2025-02-08 09:21:39,792 INFO L226 Difference]: Without dead ends: 733 [2025-02-08 09:21:39,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:21:39,793 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 654 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 1084 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 1134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:39,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 185 Invalid, 1134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1084 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:21:39,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2025-02-08 09:21:39,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 732. [2025-02-08 09:21:39,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 616 states have (on average 1.2987012987012987) internal successors, (800), 681 states have internal predecessors, (800), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-08 09:21:39,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 890 transitions. [2025-02-08 09:21:39,813 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 890 transitions. Word has length 257 [2025-02-08 09:21:39,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:39,813 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 890 transitions. [2025-02-08 09:21:39,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.714285714285715) internal successors, (180), 8 states have internal predecessors, (180), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:21:39,813 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 890 transitions. [2025-02-08 09:21:39,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2025-02-08 09:21:39,814 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:39,814 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-02-08 09:21:39,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-08 09:21:40,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:40,015 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:40,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:40,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1238300837, now seen corresponding path program 2 times [2025-02-08 09:21:40,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:40,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386120370] [2025-02-08 09:21:40,016 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:40,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:40,022 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 258 statements into 2 equivalence classes. [2025-02-08 09:21:40,035 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 258 of 258 statements. [2025-02-08 09:21:40,036 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:40,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:40,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [696303946] [2025-02-08 09:21:40,036 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:40,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:40,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:40,040 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) [2025-02-08 09:21:40,044 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 [2025-02-08 09:21:40,071 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 258 statements into 2 equivalence classes. [2025-02-08 09:21:40,106 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 258 of 258 statements. [2025-02-08 09:21:40,106 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:40,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:40,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:21:40,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:40,738 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:21:40,739 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:40,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:40,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386120370] [2025-02-08 09:21:40,828 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:40,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696303946] [2025-02-08 09:21:40,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696303946] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:40,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:40,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-08 09:21:40,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105082725] [2025-02-08 09:21:40,829 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:40,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:21:40,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:40,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:21:40,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:21:40,830 INFO L87 Difference]: Start difference. First operand 732 states and 890 transitions. Second operand has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 10 states have internal predecessors, (181), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-02-08 09:21:41,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:41,406 INFO L93 Difference]: Finished difference Result 741 states and 890 transitions. [2025-02-08 09:21:41,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:21:41,406 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 10 states have internal predecessors, (181), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 258 [2025-02-08 09:21:41,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:41,408 INFO L225 Difference]: With dead ends: 741 [2025-02-08 09:21:41,408 INFO L226 Difference]: Without dead ends: 740 [2025-02-08 09:21:41,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:21:41,408 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 162 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 1263 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 1276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:41,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 535 Invalid, 1276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1263 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:21:41,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2025-02-08 09:21:41,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 732. [2025-02-08 09:21:41,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 616 states have (on average 1.297077922077922) internal successors, (799), 681 states have internal predecessors, (799), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-08 09:21:41,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 889 transitions. [2025-02-08 09:21:41,432 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 889 transitions. Word has length 258 [2025-02-08 09:21:41,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:41,432 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 889 transitions. [2025-02-08 09:21:41,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 10 states have internal predecessors, (181), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-02-08 09:21:41,432 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 889 transitions. [2025-02-08 09:21:41,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2025-02-08 09:21:41,433 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:41,433 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-02-08 09:21:41,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-02-08 09:21:41,633 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,SelfDestructingSolverStorable43 [2025-02-08 09:21:41,634 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:41,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:41,634 INFO L85 PathProgramCache]: Analyzing trace with hash -746004671, now seen corresponding path program 2 times [2025-02-08 09:21:41,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:41,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313069575] [2025-02-08 09:21:41,634 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:41,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:41,641 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 261 statements into 2 equivalence classes. [2025-02-08 09:21:41,653 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 261 of 261 statements. [2025-02-08 09:21:41,653 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:41,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:41,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1828727252] [2025-02-08 09:21:41,654 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:41,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:41,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:41,656 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) [2025-02-08 09:21:41,657 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 [2025-02-08 09:21:41,686 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 261 statements into 2 equivalence classes. [2025-02-08 09:21:41,760 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 261 of 261 statements. [2025-02-08 09:21:41,760 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:41,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:41,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:21:41,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:43,210 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:21:43,211 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:44,110 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:21:44,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:44,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313069575] [2025-02-08 09:21:44,110 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:44,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828727252] [2025-02-08 09:21:44,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828727252] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:44,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:21:44,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-08 09:21:44,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730108283] [2025-02-08 09:21:44,110 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:44,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:21:44,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:44,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:21:44,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:21:44,112 INFO L87 Difference]: Start difference. First operand 732 states and 889 transitions. Second operand has 16 states, 15 states have (on average 24.333333333333332) internal successors, (365), 16 states have internal predecessors, (365), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2025-02-08 09:21:49,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:21:53,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:53,065 INFO L93 Difference]: Finished difference Result 755 states and 906 transitions. [2025-02-08 09:21:53,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:21:53,066 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 24.333333333333332) internal successors, (365), 16 states have internal predecessors, (365), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) Word has length 261 [2025-02-08 09:21:53,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:53,068 INFO L225 Difference]: With dead ends: 755 [2025-02-08 09:21:53,068 INFO L226 Difference]: Without dead ends: 749 [2025-02-08 09:21:53,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 506 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:21:53,068 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 324 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 2803 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 2830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:53,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 692 Invalid, 2830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2803 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2025-02-08 09:21:53,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2025-02-08 09:21:53,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 744. [2025-02-08 09:21:53,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 627 states have (on average 1.2854864433811801) internal successors, (806), 692 states have internal predecessors, (806), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-02-08 09:21:53,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 898 transitions. [2025-02-08 09:21:53,092 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 898 transitions. Word has length 261 [2025-02-08 09:21:53,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:53,092 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 898 transitions. [2025-02-08 09:21:53,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 24.333333333333332) internal successors, (365), 16 states have internal predecessors, (365), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2025-02-08 09:21:53,092 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 898 transitions. [2025-02-08 09:21:53,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2025-02-08 09:21:53,093 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:53,093 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1] [2025-02-08 09:21:53,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-02-08 09:21:53,294 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,SelfDestructingSolverStorable44 [2025-02-08 09:21:53,294 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:53,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:53,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1234332842, now seen corresponding path program 1 times [2025-02-08 09:21:53,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:53,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642947423] [2025-02-08 09:21:53,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:53,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:53,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 274 statements into 1 equivalence classes. [2025-02-08 09:21:53,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 274 of 274 statements. [2025-02-08 09:21:53,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:53,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:53,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1320587294] [2025-02-08 09:21:53,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:53,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:53,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:53,323 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) [2025-02-08 09:21:53,324 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 [2025-02-08 09:21:53,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 274 statements into 1 equivalence classes. [2025-02-08 09:21:53,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 274 of 274 statements. [2025-02-08 09:21:53,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:53,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:53,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:21:53,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:53,569 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:21:53,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:53,882 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:21:53,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:53,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642947423] [2025-02-08 09:21:53,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:53,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320587294] [2025-02-08 09:21:53,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320587294] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:53,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:21:53,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:21:53,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259499546] [2025-02-08 09:21:53,883 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:53,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:21:53,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:53,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:21:53,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:21:53,884 INFO L87 Difference]: Start difference. First operand 744 states and 898 transitions. Second operand has 10 states, 9 states have (on average 43.44444444444444) internal successors, (391), 10 states have internal predecessors, (391), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-02-08 09:21:54,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:54,190 INFO L93 Difference]: Finished difference Result 931 states and 1020 transitions. [2025-02-08 09:21:54,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:21:54,191 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 43.44444444444444) internal successors, (391), 10 states have internal predecessors, (391), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 274 [2025-02-08 09:21:54,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:54,193 INFO L225 Difference]: With dead ends: 931 [2025-02-08 09:21:54,193 INFO L226 Difference]: Without dead ends: 929 [2025-02-08 09:21:54,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 538 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:21:54,193 INFO L435 NwaCegarLoop]: 468 mSDtfsCounter, 1430 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 2089 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:54,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1441 Valid, 2089 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:54,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2025-02-08 09:21:54,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 743. [2025-02-08 09:21:54,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 627 states have (on average 1.2791068580542264) internal successors, (802), 691 states have internal predecessors, (802), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-02-08 09:21:54,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 894 transitions. [2025-02-08 09:21:54,218 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 894 transitions. Word has length 274 [2025-02-08 09:21:54,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:54,218 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 894 transitions. [2025-02-08 09:21:54,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 43.44444444444444) internal successors, (391), 10 states have internal predecessors, (391), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-02-08 09:21:54,218 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 894 transitions. [2025-02-08 09:21:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2025-02-08 09:21:54,219 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:54,220 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:54,226 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 [2025-02-08 09:21:54,420 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,SelfDestructingSolverStorable45 [2025-02-08 09:21:54,420 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:54,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:54,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1949046229, now seen corresponding path program 2 times [2025-02-08 09:21:54,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:54,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423517856] [2025-02-08 09:21:54,421 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:54,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:54,427 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 280 statements into 2 equivalence classes. [2025-02-08 09:21:54,441 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 280 of 280 statements. [2025-02-08 09:21:54,441 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:54,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:54,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1819391329] [2025-02-08 09:21:54,442 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:54,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:54,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:54,446 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) [2025-02-08 09:21:54,447 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 [2025-02-08 09:21:54,473 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 280 statements into 2 equivalence classes. [2025-02-08 09:21:54,509 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 280 of 280 statements. [2025-02-08 09:21:54,510 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:54,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:54,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-08 09:21:54,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:21:55,216 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:55,715 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:21:55,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:55,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423517856] [2025-02-08 09:21:55,716 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:55,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819391329] [2025-02-08 09:21:55,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819391329] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:55,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:21:55,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-02-08 09:21:55,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730909161] [2025-02-08 09:21:55,716 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:55,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-08 09:21:55,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:55,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-08 09:21:55,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:21:55,718 INFO L87 Difference]: Start difference. First operand 743 states and 894 transitions. Second operand has 20 states, 19 states have (on average 20.68421052631579) internal successors, (393), 20 states have internal predecessors, (393), 8 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 8 states have call predecessors, (34), 8 states have call successors, (34) [2025-02-08 09:21:58,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:58,454 INFO L93 Difference]: Finished difference Result 877 states and 1082 transitions. [2025-02-08 09:21:58,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-02-08 09:21:58,455 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 20.68421052631579) internal successors, (393), 20 states have internal predecessors, (393), 8 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 8 states have call predecessors, (34), 8 states have call successors, (34) Word has length 280 [2025-02-08 09:21:58,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:58,456 INFO L225 Difference]: With dead ends: 877 [2025-02-08 09:21:58,456 INFO L226 Difference]: Without dead ends: 837 [2025-02-08 09:21:58,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=301, Invalid=889, Unknown=0, NotChecked=0, Total=1190 [2025-02-08 09:21:58,457 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 729 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 4548 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 4628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 4548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:58,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 724 Invalid, 4628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 4548 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-02-08 09:21:58,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2025-02-08 09:21:58,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 758. [2025-02-08 09:21:58,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 640 states have (on average 1.2953125) internal successors, (829), 704 states have internal predecessors, (829), 48 states have call successors, (48), 5 states have call predecessors, (48), 5 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-02-08 09:21:58,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 925 transitions. [2025-02-08 09:21:58,485 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 925 transitions. Word has length 280 [2025-02-08 09:21:58,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:58,485 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 925 transitions. [2025-02-08 09:21:58,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 20.68421052631579) internal successors, (393), 20 states have internal predecessors, (393), 8 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 8 states have call predecessors, (34), 8 states have call successors, (34) [2025-02-08 09:21:58,486 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 925 transitions. [2025-02-08 09:21:58,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2025-02-08 09:21:58,490 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:58,490 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1] [2025-02-08 09:21:58,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-02-08 09:21:58,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:58,691 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-02-08 09:21:58,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:58,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1543251378, now seen corresponding path program 3 times [2025-02-08 09:21:58,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:58,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481982160] [2025-02-08 09:21:58,692 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:21:58,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:58,699 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 292 statements into 8 equivalence classes. [2025-02-08 09:21:58,730 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 292 of 292 statements. [2025-02-08 09:21:58,733 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-08 09:21:58,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:58,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [644174862] [2025-02-08 09:21:58,734 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:21:58,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:58,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:58,736 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) [2025-02-08 09:21:58,737 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 [2025-02-08 09:21:58,767 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 292 statements into 8 equivalence classes. [2025-02-08 09:21:58,799 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 101 of 292 statements. [2025-02-08 09:21:58,799 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-08 09:21:58,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:58,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 09:21:58,803 INFO L279 TraceCheckSpWp]: Computing forward predicates...