./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.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/egcd3-ll_unwindbound2.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 33e65da42eaec3b998693833c359b0db98e1fca213179917a50e687ef24ee4df --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:27:46,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:27:46,798 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:27:46,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:27:46,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:27:46,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:27:46,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:27:46,825 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:27:46,825 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:27:46,825 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:27:46,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:27:46,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:27:46,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:27:46,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:27:46,826 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:27:46,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:27:46,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:27:46,826 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:27:46,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:27:46,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:27:46,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:27:46,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:27:46,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:27:46,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:27:46,827 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:27:46,827 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:27:46,827 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:27:46,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:27:46,828 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:27:46,828 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:27:46,828 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:27:46,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:27:46,828 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:27:46,829 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:27:46,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:27:46,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:27:46,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:27:46,829 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:27:46,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:27:46,829 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:27:46,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:27:46,829 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:27:46,829 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:27:46,830 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:27:46,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:27:46,830 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 -> 33e65da42eaec3b998693833c359b0db98e1fca213179917a50e687ef24ee4df [2025-02-08 09:27:47,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:27:47,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:27:47,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:27:47,132 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:27:47,133 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:27:47,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c [2025-02-08 09:27:48,310 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ccf37b3ac/b62cc636d75442fdac88b7f65336fd49/FLAG18141ee88 [2025-02-08 09:27:48,520 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:27:48,521 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c [2025-02-08 09:27:48,543 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ccf37b3ac/b62cc636d75442fdac88b7f65336fd49/FLAG18141ee88 [2025-02-08 09:27:48,558 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ccf37b3ac/b62cc636d75442fdac88b7f65336fd49 [2025-02-08 09:27:48,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:27:48,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:27:48,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:27:48,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:27:48,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:27:48,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:27:48" (1/1) ... [2025-02-08 09:27:48,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6b090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:27:48, skipping insertion in model container [2025-02-08 09:27:48,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:27:48" (1/1) ... [2025-02-08 09:27:48,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:27:48,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:27:48,714 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:27:48,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:27:48,755 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:27:48,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:27:48 WrapperNode [2025-02-08 09:27:48,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:27:48,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:27:48,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:27:48,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:27:48,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:27:48" (1/1) ... [2025-02-08 09:27:48,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:27:48" (1/1) ... [2025-02-08 09:27:48,799 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 153 [2025-02-08 09:27:48,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:27:48,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:27:48,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:27:48,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:27:48,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:27:48" (1/1) ... [2025-02-08 09:27:48,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:27:48" (1/1) ... [2025-02-08 09:27:48,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:27:48" (1/1) ... [2025-02-08 09:27:48,824 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 09:27:48,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:27:48" (1/1) ... [2025-02-08 09:27:48,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:27:48" (1/1) ... [2025-02-08 09:27:48,828 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:27:48" (1/1) ... [2025-02-08 09:27:48,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:27:48" (1/1) ... [2025-02-08 09:27:48,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:27:48" (1/1) ... [2025-02-08 09:27:48,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:27:48" (1/1) ... [2025-02-08 09:27:48,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:27:48,831 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:27:48,831 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:27:48,831 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:27:48,834 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:27:48" (1/1) ... [2025-02-08 09:27:48,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:27:48,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:48,869 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 09:27:48,871 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 09:27:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:27:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 09:27:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 09:27:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:27:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:27:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:27:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:27:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:27:48,942 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:27:48,944 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:27:49,374 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2025-02-08 09:27:49,375 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:27:49,385 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:27:49,385 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:27:49,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:27:49 BoogieIcfgContainer [2025-02-08 09:27:49,386 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:27:49,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:27:49,388 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:27:49,391 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:27:49,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:27:48" (1/3) ... [2025-02-08 09:27:49,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@877bdc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:27:49, skipping insertion in model container [2025-02-08 09:27:49,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:27:48" (2/3) ... [2025-02-08 09:27:49,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@877bdc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:27:49, skipping insertion in model container [2025-02-08 09:27:49,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:27:49" (3/3) ... [2025-02-08 09:27:49,393 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd3-ll_unwindbound2.c [2025-02-08 09:27:49,402 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:27:49,403 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd3-ll_unwindbound2.c that has 3 procedures, 142 locations, 1 initial locations, 3 loop locations, and 56 error locations. [2025-02-08 09:27:49,435 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:27:49,443 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;@26a636be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:27:49,445 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2025-02-08 09:27:49,447 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 76 states have (on average 1.881578947368421) internal successors, (143), 132 states have internal predecessors, (143), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:27:49,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:27:49,452 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:49,453 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:49,453 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:49,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:49,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1998009889, now seen corresponding path program 1 times [2025-02-08 09:27:49,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:49,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983672048] [2025-02-08 09:27:49,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:49,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:49,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:27:49,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:27:49,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:49,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:49,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:27:49,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:49,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983672048] [2025-02-08 09:27:49,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983672048] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:49,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668642681] [2025-02-08 09:27:49,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:49,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:49,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:49,570 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 09:27:49,572 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 09:27:49,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:27:49,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:27:49,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:49,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:49,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 09:27:49,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:49,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:27:49,625 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:27:49,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668642681] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:49,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:49,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 09:27:49,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624238937] [2025-02-08 09:27:49,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:49,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:27:49,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:49,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:27:49,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:27:49,645 INFO L87 Difference]: Start difference. First operand has 142 states, 76 states have (on average 1.881578947368421) internal successors, (143), 132 states have internal predecessors, (143), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:49,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:49,669 INFO L93 Difference]: Finished difference Result 282 states and 318 transitions. [2025-02-08 09:27:49,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:27:49,671 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-02-08 09:27:49,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:49,677 INFO L225 Difference]: With dead ends: 282 [2025-02-08 09:27:49,678 INFO L226 Difference]: Without dead ends: 138 [2025-02-08 09:27:49,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:27:49,685 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:49,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:27:49,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2025-02-08 09:27:49,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2025-02-08 09:27:49,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 74 states have (on average 1.8243243243243243) internal successors, (135), 129 states have internal predecessors, (135), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:27:49,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 147 transitions. [2025-02-08 09:27:49,723 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 147 transitions. Word has length 14 [2025-02-08 09:27:49,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:49,723 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 147 transitions. [2025-02-08 09:27:49,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:49,723 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 147 transitions. [2025-02-08 09:27:49,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:27:49,724 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:49,724 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:49,730 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 09:27:49,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 09:27:49,928 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:49,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:49,929 INFO L85 PathProgramCache]: Analyzing trace with hash 229687681, now seen corresponding path program 1 times [2025-02-08 09:27:49,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:49,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830111328] [2025-02-08 09:27:49,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:49,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:49,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:27:49,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:27:49,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:49,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:50,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:50,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:50,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830111328] [2025-02-08 09:27:50,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830111328] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:50,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:50,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:27:50,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377462494] [2025-02-08 09:27:50,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:50,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:27:50,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:50,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:27:50,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:27:50,050 INFO L87 Difference]: Start difference. First operand 138 states and 147 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:50,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:50,116 INFO L93 Difference]: Finished difference Result 178 states and 188 transitions. [2025-02-08 09:27:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:27:50,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2025-02-08 09:27:50,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:50,118 INFO L225 Difference]: With dead ends: 178 [2025-02-08 09:27:50,118 INFO L226 Difference]: Without dead ends: 177 [2025-02-08 09:27:50,118 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 09:27:50,119 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 45 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:50,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 410 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:27:50,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2025-02-08 09:27:50,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 140. [2025-02-08 09:27:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 76 states have (on average 1.8026315789473684) internal successors, (137), 131 states have internal predecessors, (137), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:27:50,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 149 transitions. [2025-02-08 09:27:50,133 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 149 transitions. Word has length 14 [2025-02-08 09:27:50,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:50,134 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 149 transitions. [2025-02-08 09:27:50,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:50,134 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 149 transitions. [2025-02-08 09:27:50,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-08 09:27:50,135 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:50,135 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:50,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:27:50,137 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:50,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:50,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1469616376, now seen corresponding path program 1 times [2025-02-08 09:27:50,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:50,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266045713] [2025-02-08 09:27:50,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:50,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:50,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 09:27:50,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 09:27:50,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:50,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:50,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:50,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266045713] [2025-02-08 09:27:50,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266045713] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:50,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:50,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:27:50,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169028380] [2025-02-08 09:27:50,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:50,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:27:50,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:50,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:27:50,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:27:50,221 INFO L87 Difference]: Start difference. First operand 140 states and 149 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:50,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:50,284 INFO L93 Difference]: Finished difference Result 171 states and 180 transitions. [2025-02-08 09:27:50,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:27:50,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2025-02-08 09:27:50,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:50,286 INFO L225 Difference]: With dead ends: 171 [2025-02-08 09:27:50,286 INFO L226 Difference]: Without dead ends: 142 [2025-02-08 09:27:50,287 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 09:27:50,287 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 8 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:50,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 413 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:27:50,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2025-02-08 09:27:50,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2025-02-08 09:27:50,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 133 states have internal predecessors, (139), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:27:50,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 151 transitions. [2025-02-08 09:27:50,301 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 151 transitions. Word has length 15 [2025-02-08 09:27:50,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:50,302 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 151 transitions. [2025-02-08 09:27:50,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:50,302 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 151 transitions. [2025-02-08 09:27:50,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-08 09:27:50,303 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:50,303 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:50,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:27:50,303 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:50,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:50,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1555260089, now seen corresponding path program 1 times [2025-02-08 09:27:50,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:50,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288430593] [2025-02-08 09:27:50,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:50,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:50,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:27:50,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:27:50,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:50,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:27:50,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:50,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288430593] [2025-02-08 09:27:50,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288430593] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:50,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:50,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:27:50,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822284622] [2025-02-08 09:27:50,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:50,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:27:50,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:50,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:27:50,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:27:50,403 INFO L87 Difference]: Start difference. First operand 142 states and 151 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:50,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:50,709 INFO L93 Difference]: Finished difference Result 240 states and 263 transitions. [2025-02-08 09:27:50,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:27:50,710 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2025-02-08 09:27:50,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:50,712 INFO L225 Difference]: With dead ends: 240 [2025-02-08 09:27:50,714 INFO L226 Difference]: Without dead ends: 212 [2025-02-08 09:27:50,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:27:50,716 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 253 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:50,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 386 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:27:50,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2025-02-08 09:27:50,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 143. [2025-02-08 09:27:50,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 79 states have (on average 1.7721518987341771) internal successors, (140), 134 states have internal predecessors, (140), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:27:50,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 152 transitions. [2025-02-08 09:27:50,733 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 152 transitions. Word has length 18 [2025-02-08 09:27:50,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:50,733 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 152 transitions. [2025-02-08 09:27:50,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:50,733 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2025-02-08 09:27:50,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-08 09:27:50,733 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:50,734 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:50,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:27:50,734 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:50,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:50,735 INFO L85 PathProgramCache]: Analyzing trace with hash 968427589, now seen corresponding path program 1 times [2025-02-08 09:27:50,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:50,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157456227] [2025-02-08 09:27:50,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:50,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:50,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:27:50,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:27:50,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:50,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:50,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:50,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:50,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157456227] [2025-02-08 09:27:50,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157456227] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:50,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:50,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:27:50,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589016208] [2025-02-08 09:27:50,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:50,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:27:50,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:50,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:27:50,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:27:50,812 INFO L87 Difference]: Start difference. First operand 143 states and 152 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:50,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:50,891 INFO L93 Difference]: Finished difference Result 207 states and 219 transitions. [2025-02-08 09:27:50,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:27:50,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2025-02-08 09:27:50,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:50,893 INFO L225 Difference]: With dead ends: 207 [2025-02-08 09:27:50,893 INFO L226 Difference]: Without dead ends: 205 [2025-02-08 09:27:50,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:27:50,894 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 128 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:50,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 534 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:27:50,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2025-02-08 09:27:50,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 162. [2025-02-08 09:27:50,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 98 states have (on average 1.7653061224489797) internal successors, (173), 153 states have internal predecessors, (173), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:27:50,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 185 transitions. [2025-02-08 09:27:50,909 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 185 transitions. Word has length 19 [2025-02-08 09:27:50,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:50,909 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 185 transitions. [2025-02-08 09:27:50,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:50,910 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 185 transitions. [2025-02-08 09:27:50,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-08 09:27:50,910 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:50,910 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:50,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:27:50,911 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:50,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:50,912 INFO L85 PathProgramCache]: Analyzing trace with hash -43515720, now seen corresponding path program 1 times [2025-02-08 09:27:50,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:50,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276069283] [2025-02-08 09:27:50,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:50,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:50,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:27:50,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:27:50,924 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:50,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:50,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:50,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:50,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276069283] [2025-02-08 09:27:50,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276069283] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:50,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:50,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:27:50,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746739438] [2025-02-08 09:27:50,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:50,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:27:50,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:50,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:27:50,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:27:50,985 INFO L87 Difference]: Start difference. First operand 162 states and 185 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:51,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:51,061 INFO L93 Difference]: Finished difference Result 315 states and 362 transitions. [2025-02-08 09:27:51,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:27:51,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2025-02-08 09:27:51,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:51,063 INFO L225 Difference]: With dead ends: 315 [2025-02-08 09:27:51,064 INFO L226 Difference]: Without dead ends: 166 [2025-02-08 09:27:51,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:27:51,066 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 11 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:51,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 669 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:27:51,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2025-02-08 09:27:51,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2025-02-08 09:27:51,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 102 states have (on average 1.7352941176470589) internal successors, (177), 157 states have internal predecessors, (177), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:27:51,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 189 transitions. [2025-02-08 09:27:51,072 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 189 transitions. Word has length 20 [2025-02-08 09:27:51,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:51,072 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 189 transitions. [2025-02-08 09:27:51,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:51,072 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 189 transitions. [2025-02-08 09:27:51,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-08 09:27:51,073 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:51,073 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:51,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:27:51,074 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:51,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:51,074 INFO L85 PathProgramCache]: Analyzing trace with hash 330534611, now seen corresponding path program 1 times [2025-02-08 09:27:51,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:51,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390688643] [2025-02-08 09:27:51,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:51,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:51,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 09:27:51,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 09:27:51,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:51,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:51,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1682585280] [2025-02-08 09:27:51,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:51,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:51,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:51,087 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 09:27:51,088 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 09:27:51,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 09:27:51,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 09:27:51,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:51,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:51,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:27:51,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:51,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:51,157 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:27:51,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:51,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390688643] [2025-02-08 09:27:51,158 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:51,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682585280] [2025-02-08 09:27:51,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682585280] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:51,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:51,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:27:51,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861482755] [2025-02-08 09:27:51,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:51,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:27:51,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:51,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:27:51,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:27:51,159 INFO L87 Difference]: Start difference. First operand 166 states and 189 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:51,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:51,230 INFO L93 Difference]: Finished difference Result 251 states and 291 transitions. [2025-02-08 09:27:51,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:27:51,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2025-02-08 09:27:51,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:51,234 INFO L225 Difference]: With dead ends: 251 [2025-02-08 09:27:51,234 INFO L226 Difference]: Without dead ends: 247 [2025-02-08 09:27:51,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 09:27:51,235 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 68 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:51,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 247 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:27:51,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2025-02-08 09:27:51,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 215. [2025-02-08 09:27:51,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 147 states have (on average 1.748299319727891) internal successors, (257), 202 states have internal predecessors, (257), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:27:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 277 transitions. [2025-02-08 09:27:51,248 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 277 transitions. Word has length 24 [2025-02-08 09:27:51,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:51,248 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 277 transitions. [2025-02-08 09:27:51,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:51,249 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 277 transitions. [2025-02-08 09:27:51,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-08 09:27:51,249 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:51,250 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:51,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 09:27:51,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:51,454 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:51,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:51,455 INFO L85 PathProgramCache]: Analyzing trace with hash 330538741, now seen corresponding path program 1 times [2025-02-08 09:27:51,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:51,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518002578] [2025-02-08 09:27:51,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:51,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:51,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 09:27:51,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 09:27:51,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:51,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:51,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:51,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518002578] [2025-02-08 09:27:51,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518002578] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:51,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:51,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 09:27:51,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354057063] [2025-02-08 09:27:51,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:51,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:27:51,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:51,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:27:51,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:27:51,528 INFO L87 Difference]: Start difference. First operand 215 states and 277 transitions. Second operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:51,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:51,620 INFO L93 Difference]: Finished difference Result 305 states and 386 transitions. [2025-02-08 09:27:51,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:27:51,620 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2025-02-08 09:27:51,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:51,621 INFO L225 Difference]: With dead ends: 305 [2025-02-08 09:27:51,621 INFO L226 Difference]: Without dead ends: 130 [2025-02-08 09:27:51,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:27:51,622 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 80 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:51,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 294 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:27:51,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2025-02-08 09:27:51,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 103. [2025-02-08 09:27:51,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 99 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:51,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 115 transitions. [2025-02-08 09:27:51,628 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 115 transitions. Word has length 24 [2025-02-08 09:27:51,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:51,628 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 115 transitions. [2025-02-08 09:27:51,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:51,628 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 115 transitions. [2025-02-08 09:27:51,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-08 09:27:51,629 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:51,629 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:51,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:27:51,629 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:51,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:51,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1656766460, now seen corresponding path program 1 times [2025-02-08 09:27:51,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:51,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078548586] [2025-02-08 09:27:51,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:51,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:51,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 09:27:51,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 09:27:51,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:51,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:51,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:51,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:51,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078548586] [2025-02-08 09:27:51,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078548586] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:51,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:51,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 09:27:51,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661972053] [2025-02-08 09:27:51,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:51,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:27:51,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:51,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:27:51,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:27:51,723 INFO L87 Difference]: Start difference. First operand 103 states and 115 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:51,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:51,800 INFO L93 Difference]: Finished difference Result 128 states and 141 transitions. [2025-02-08 09:27:51,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:27:51,800 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2025-02-08 09:27:51,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:51,801 INFO L225 Difference]: With dead ends: 128 [2025-02-08 09:27:51,801 INFO L226 Difference]: Without dead ends: 127 [2025-02-08 09:27:51,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:27:51,802 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 40 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:51,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 377 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:27:51,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-02-08 09:27:51,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 107. [2025-02-08 09:27:51,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 75 states have (on average 1.5466666666666666) internal successors, (116), 103 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 120 transitions. [2025-02-08 09:27:51,806 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 120 transitions. Word has length 25 [2025-02-08 09:27:51,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:51,806 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 120 transitions. [2025-02-08 09:27:51,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2025-02-08 09:27:51,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-08 09:27:51,807 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:51,807 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:51,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 09:27:51,807 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:51,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:51,807 INFO L85 PathProgramCache]: Analyzing trace with hash -183818351, now seen corresponding path program 1 times [2025-02-08 09:27:51,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:51,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982839573] [2025-02-08 09:27:51,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:51,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:51,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 09:27:51,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 09:27:51,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:51,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:51,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:51,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:51,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982839573] [2025-02-08 09:27:51,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982839573] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:51,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:51,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:27:51,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701608785] [2025-02-08 09:27:51,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:51,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:27:51,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:51,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:27:51,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:27:51,889 INFO L87 Difference]: Start difference. First operand 107 states and 120 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:52,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:52,123 INFO L93 Difference]: Finished difference Result 116 states and 124 transitions. [2025-02-08 09:27:52,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:27:52,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2025-02-08 09:27:52,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:52,124 INFO L225 Difference]: With dead ends: 116 [2025-02-08 09:27:52,124 INFO L226 Difference]: Without dead ends: 115 [2025-02-08 09:27:52,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:27:52,124 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 17 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:52,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 254 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:27:52,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-02-08 09:27:52,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 108. [2025-02-08 09:27:52,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 76 states have (on average 1.5394736842105263) internal successors, (117), 104 states have internal predecessors, (117), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 121 transitions. [2025-02-08 09:27:52,128 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 121 transitions. Word has length 26 [2025-02-08 09:27:52,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:52,128 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 121 transitions. [2025-02-08 09:27:52,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:52,129 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 121 transitions. [2025-02-08 09:27:52,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 09:27:52,129 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:52,129 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:52,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 09:27:52,129 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:52,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:52,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1403401577, now seen corresponding path program 1 times [2025-02-08 09:27:52,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:52,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384380441] [2025-02-08 09:27:52,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:52,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:52,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:27:52,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:27:52,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:52,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:52,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1025525640] [2025-02-08 09:27:52,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:52,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:52,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:52,140 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 09:27:52,142 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 09:27:52,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:27:52,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:27:52,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:52,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:52,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:27:52,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:52,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:52,249 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:27:52,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:52,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384380441] [2025-02-08 09:27:52,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:52,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025525640] [2025-02-08 09:27:52,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025525640] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:52,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:52,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:27:52,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323181964] [2025-02-08 09:27:52,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:52,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:27:52,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:52,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:27:52,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:27:52,250 INFO L87 Difference]: Start difference. First operand 108 states and 121 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:52,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:52,353 INFO L93 Difference]: Finished difference Result 116 states and 123 transitions. [2025-02-08 09:27:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:27:52,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2025-02-08 09:27:52,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:52,354 INFO L225 Difference]: With dead ends: 116 [2025-02-08 09:27:52,354 INFO L226 Difference]: Without dead ends: 115 [2025-02-08 09:27:52,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 09:27:52,356 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 19 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:52,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 181 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:27:52,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-02-08 09:27:52,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 109. [2025-02-08 09:27:52,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 105 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:52,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 122 transitions. [2025-02-08 09:27:52,361 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 122 transitions. Word has length 27 [2025-02-08 09:27:52,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:52,362 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 122 transitions. [2025-02-08 09:27:52,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:52,362 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 122 transitions. [2025-02-08 09:27:52,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 09:27:52,363 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:52,363 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:52,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 09:27:52,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:52,564 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:52,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:52,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1280296253, now seen corresponding path program 1 times [2025-02-08 09:27:52,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:52,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795422707] [2025-02-08 09:27:52,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:52,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:52,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:27:52,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:27:52,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:52,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:52,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:52,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795422707] [2025-02-08 09:27:52,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795422707] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:52,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:52,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:27:52,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744115912] [2025-02-08 09:27:52,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:52,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:27:52,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:52,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:27:52,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:27:52,601 INFO L87 Difference]: Start difference. First operand 109 states and 122 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:52,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:52,614 INFO L93 Difference]: Finished difference Result 109 states and 122 transitions. [2025-02-08 09:27:52,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:27:52,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2025-02-08 09:27:52,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:52,615 INFO L225 Difference]: With dead ends: 109 [2025-02-08 09:27:52,615 INFO L226 Difference]: Without dead ends: 108 [2025-02-08 09:27:52,616 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 09:27:52,616 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 2 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:52,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 144 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:27:52,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2025-02-08 09:27:52,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2025-02-08 09:27:52,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 104 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:52,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 120 transitions. [2025-02-08 09:27:52,621 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 120 transitions. Word has length 27 [2025-02-08 09:27:52,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:52,622 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 120 transitions. [2025-02-08 09:27:52,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2025-02-08 09:27:52,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 09:27:52,623 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:52,623 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:52,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-08 09:27:52,623 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:52,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:52,624 INFO L85 PathProgramCache]: Analyzing trace with hash -555775921, now seen corresponding path program 1 times [2025-02-08 09:27:52,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:52,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068667967] [2025-02-08 09:27:52,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:52,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:52,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 09:27:52,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 09:27:52,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:52,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:52,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1306963092] [2025-02-08 09:27:52,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:52,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:52,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:52,638 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 09:27:52,641 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 09:27:52,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 09:27:52,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 09:27:52,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:52,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:52,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:27:52,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:52,689 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:27:52,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:52,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068667967] [2025-02-08 09:27:52,690 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:52,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306963092] [2025-02-08 09:27:52,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306963092] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:52,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:52,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:27:52,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116660314] [2025-02-08 09:27:52,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:52,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:27:52,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:52,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:27:52,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:27:52,691 INFO L87 Difference]: Start difference. First operand 108 states and 120 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:52,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:52,722 INFO L93 Difference]: Finished difference Result 147 states and 170 transitions. [2025-02-08 09:27:52,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:27:52,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2025-02-08 09:27:52,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:52,723 INFO L225 Difference]: With dead ends: 147 [2025-02-08 09:27:52,723 INFO L226 Difference]: Without dead ends: 143 [2025-02-08 09:27:52,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:27:52,723 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 15 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:52,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 127 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:27:52,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2025-02-08 09:27:52,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 125. [2025-02-08 09:27:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 94 states have (on average 1.4680851063829787) internal successors, (138), 121 states have internal predecessors, (138), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:52,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 142 transitions. [2025-02-08 09:27:52,728 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 142 transitions. Word has length 28 [2025-02-08 09:27:52,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:52,728 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 142 transitions. [2025-02-08 09:27:52,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:52,728 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2025-02-08 09:27:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 09:27:52,729 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:52,729 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:52,734 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 09:27:52,929 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,SelfDestructingSolverStorable12 [2025-02-08 09:27:52,929 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:52,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:52,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1034478158, now seen corresponding path program 1 times [2025-02-08 09:27:52,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:52,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140165366] [2025-02-08 09:27:52,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:52,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:52,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 09:27:52,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 09:27:52,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:52,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:52,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:52,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:52,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140165366] [2025-02-08 09:27:52,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140165366] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:52,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:52,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:27:52,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837962351] [2025-02-08 09:27:52,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:52,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:27:52,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:52,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:27:52,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:27:52,983 INFO L87 Difference]: Start difference. First operand 125 states and 142 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:53,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:53,251 INFO L93 Difference]: Finished difference Result 137 states and 149 transitions. [2025-02-08 09:27:53,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:27:53,252 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2025-02-08 09:27:53,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:53,253 INFO L225 Difference]: With dead ends: 137 [2025-02-08 09:27:53,253 INFO L226 Difference]: Without dead ends: 136 [2025-02-08 09:27:53,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:27:53,254 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 138 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:53,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 185 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:27:53,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2025-02-08 09:27:53,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 128. [2025-02-08 09:27:53,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 97 states have (on average 1.4536082474226804) internal successors, (141), 124 states have internal predecessors, (141), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:53,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 145 transitions. [2025-02-08 09:27:53,260 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 145 transitions. Word has length 28 [2025-02-08 09:27:53,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:53,261 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 145 transitions. [2025-02-08 09:27:53,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:53,261 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 145 transitions. [2025-02-08 09:27:53,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 09:27:53,262 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:53,262 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:53,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 09:27:53,263 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:53,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:53,264 INFO L85 PathProgramCache]: Analyzing trace with hash -2004051807, now seen corresponding path program 1 times [2025-02-08 09:27:53,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:53,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831017799] [2025-02-08 09:27:53,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:53,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:53,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:27:53,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:27:53,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:53,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:53,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:53,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:53,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831017799] [2025-02-08 09:27:53,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831017799] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:53,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:53,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:27:53,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444217513] [2025-02-08 09:27:53,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:53,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:27:53,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:53,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:27:53,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:27:53,308 INFO L87 Difference]: Start difference. First operand 128 states and 145 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:53,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:53,361 INFO L93 Difference]: Finished difference Result 145 states and 165 transitions. [2025-02-08 09:27:53,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:27:53,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2025-02-08 09:27:53,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:53,362 INFO L225 Difference]: With dead ends: 145 [2025-02-08 09:27:53,362 INFO L226 Difference]: Without dead ends: 143 [2025-02-08 09:27:53,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:27:53,362 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 14 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:53,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 190 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:27:53,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2025-02-08 09:27:53,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 138. [2025-02-08 09:27:53,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 107 states have (on average 1.4299065420560748) internal successors, (153), 134 states have internal predecessors, (153), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:53,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 157 transitions. [2025-02-08 09:27:53,374 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 157 transitions. Word has length 29 [2025-02-08 09:27:53,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:53,374 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 157 transitions. [2025-02-08 09:27:53,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:53,374 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 157 transitions. [2025-02-08 09:27:53,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-08 09:27:53,375 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:53,375 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:53,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 09:27:53,376 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:53,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:53,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1524715251, now seen corresponding path program 1 times [2025-02-08 09:27:53,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:53,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737598950] [2025-02-08 09:27:53,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:53,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:53,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:27:53,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:27:53,382 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:53,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:53,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:53,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737598950] [2025-02-08 09:27:53,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737598950] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:53,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:53,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:27:53,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122457878] [2025-02-08 09:27:53,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:53,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:27:53,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:53,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:27:53,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:27:53,474 INFO L87 Difference]: Start difference. First operand 138 states and 157 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:53,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:53,646 INFO L93 Difference]: Finished difference Result 152 states and 167 transitions. [2025-02-08 09:27:53,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:27:53,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2025-02-08 09:27:53,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:53,648 INFO L225 Difference]: With dead ends: 152 [2025-02-08 09:27:53,648 INFO L226 Difference]: Without dead ends: 151 [2025-02-08 09:27:53,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:27:53,649 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 18 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:53,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 262 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:27:53,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2025-02-08 09:27:53,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 143. [2025-02-08 09:27:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 112 states have (on average 1.4285714285714286) internal successors, (160), 139 states have internal predecessors, (160), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:53,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 164 transitions. [2025-02-08 09:27:53,656 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 164 transitions. Word has length 30 [2025-02-08 09:27:53,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:53,657 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 164 transitions. [2025-02-08 09:27:53,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 164 transitions. [2025-02-08 09:27:53,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-08 09:27:53,658 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:53,658 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:53,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-08 09:27:53,658 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:53,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:53,658 INFO L85 PathProgramCache]: Analyzing trace with hash -21532525, now seen corresponding path program 1 times [2025-02-08 09:27:53,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:53,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473094592] [2025-02-08 09:27:53,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:53,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:53,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 09:27:53,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 09:27:53,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:53,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:53,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1053995179] [2025-02-08 09:27:53,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:53,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:53,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:53,673 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 09:27:53,675 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 09:27:53,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 09:27:53,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 09:27:53,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:53,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:53,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:27:53,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:53,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:53,780 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:27:53,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:53,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473094592] [2025-02-08 09:27:53,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:53,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053995179] [2025-02-08 09:27:53,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053995179] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:53,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:27:53,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:27:53,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285954382] [2025-02-08 09:27:53,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:53,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:27:53,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:53,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:27:53,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:27:53,781 INFO L87 Difference]: Start difference. First operand 143 states and 164 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:53,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:53,854 INFO L93 Difference]: Finished difference Result 151 states and 167 transitions. [2025-02-08 09:27:53,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:27:53,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2025-02-08 09:27:53,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:53,855 INFO L225 Difference]: With dead ends: 151 [2025-02-08 09:27:53,855 INFO L226 Difference]: Without dead ends: 150 [2025-02-08 09:27:53,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:27:53,856 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 41 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:53,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 213 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:27:53,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2025-02-08 09:27:53,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 145. [2025-02-08 09:27:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 114 states have (on average 1.4210526315789473) internal successors, (162), 141 states have internal predecessors, (162), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 166 transitions. [2025-02-08 09:27:53,860 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 166 transitions. Word has length 31 [2025-02-08 09:27:53,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:53,861 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 166 transitions. [2025-02-08 09:27:53,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:53,861 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 166 transitions. [2025-02-08 09:27:53,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-08 09:27:53,861 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:53,861 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:53,867 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 09:27:54,062 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,SelfDestructingSolverStorable16 [2025-02-08 09:27:54,062 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:54,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:54,062 INFO L85 PathProgramCache]: Analyzing trace with hash -916024721, now seen corresponding path program 1 times [2025-02-08 09:27:54,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:54,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687604357] [2025-02-08 09:27:54,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:54,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:54,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:27:54,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:27:54,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:54,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:54,142 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:54,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:54,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687604357] [2025-02-08 09:27:54,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687604357] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:54,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138374463] [2025-02-08 09:27:54,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:54,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:54,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:54,144 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 09:27:54,146 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 09:27:54,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:27:54,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:27:54,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:54,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:54,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:27:54,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:54,236 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:54,362 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:54,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138374463] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:27:54,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:27:54,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 21 [2025-02-08 09:27:54,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982649755] [2025-02-08 09:27:54,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:54,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-08 09:27:54,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:54,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-08 09:27:54,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:27:54,366 INFO L87 Difference]: Start difference. First operand 145 states and 166 transitions. Second operand has 22 states, 21 states have (on average 3.238095238095238) internal successors, (68), 22 states have internal predecessors, (68), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:27:54,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:54,682 INFO L93 Difference]: Finished difference Result 262 states and 290 transitions. [2025-02-08 09:27:54,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-02-08 09:27:54,682 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.238095238095238) internal successors, (68), 22 states have internal predecessors, (68), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2025-02-08 09:27:54,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:54,683 INFO L225 Difference]: With dead ends: 262 [2025-02-08 09:27:54,683 INFO L226 Difference]: Without dead ends: 260 [2025-02-08 09:27:54,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=390, Invalid=1502, Unknown=0, NotChecked=0, Total=1892 [2025-02-08 09:27:54,684 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 252 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:54,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 999 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:27:54,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2025-02-08 09:27:54,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 177. [2025-02-08 09:27:54,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 146 states have (on average 1.3835616438356164) internal successors, (202), 173 states have internal predecessors, (202), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:54,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 206 transitions. [2025-02-08 09:27:54,692 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 206 transitions. Word has length 33 [2025-02-08 09:27:54,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:54,692 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 206 transitions. [2025-02-08 09:27:54,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.238095238095238) internal successors, (68), 22 states have internal predecessors, (68), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:27:54,693 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 206 transitions. [2025-02-08 09:27:54,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 09:27:54,693 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:54,693 INFO L218 NwaCegarLoop]: trace histogram [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 09:27:54,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:27:54,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-08 09:27:54,897 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:54,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:54,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1525217000, now seen corresponding path program 1 times [2025-02-08 09:27:54,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:54,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025602193] [2025-02-08 09:27:54,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:54,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:54,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:27:54,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:27:54,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:54,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:54,947 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:54,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:54,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025602193] [2025-02-08 09:27:54,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025602193] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:54,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279126956] [2025-02-08 09:27:54,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:54,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:54,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:54,950 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 09:27:54,951 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 09:27:54,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:27:54,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:27:54,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:54,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:54,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:27:54,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:27:55,032 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:27:55,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279126956] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:27:55,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:55,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2025-02-08 09:27:55,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79290537] [2025-02-08 09:27:55,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:27:55,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:27:55,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:55,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:27:55,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:27:55,033 INFO L87 Difference]: Start difference. First operand 177 states and 206 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:55,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:55,112 INFO L93 Difference]: Finished difference Result 216 states and 243 transitions. [2025-02-08 09:27:55,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:27:55,113 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2025-02-08 09:27:55,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:55,114 INFO L225 Difference]: With dead ends: 216 [2025-02-08 09:27:55,114 INFO L226 Difference]: Without dead ends: 215 [2025-02-08 09:27:55,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:27:55,114 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 92 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:55,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 458 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:27:55,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-02-08 09:27:55,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 182. [2025-02-08 09:27:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 151 states have (on average 1.3841059602649006) internal successors, (209), 178 states have internal predecessors, (209), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 213 transitions. [2025-02-08 09:27:55,123 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 213 transitions. Word has length 34 [2025-02-08 09:27:55,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:55,123 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 213 transitions. [2025-02-08 09:27:55,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:27:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 213 transitions. [2025-02-08 09:27:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:27:55,124 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:55,124 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:55,132 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 09:27:55,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:55,326 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:55,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:55,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1149685842, now seen corresponding path program 1 times [2025-02-08 09:27:55,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:55,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133979742] [2025-02-08 09:27:55,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:55,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:55,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:27:55,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:27:55,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:55,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:55,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1137966629] [2025-02-08 09:27:55,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:55,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:55,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:55,349 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 09:27:55,355 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 09:27:55,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:27:55,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:27:55,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:55,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:55,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:27:55,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:55,563 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:27:55,563 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:55,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:55,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133979742] [2025-02-08 09:27:55,756 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:55,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137966629] [2025-02-08 09:27:55,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137966629] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:55,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:55,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:27:55,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872514081] [2025-02-08 09:27:55,756 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:55,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:27:55,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:55,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:27:55,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:27:55,757 INFO L87 Difference]: Start difference. First operand 182 states and 213 transitions. Second operand has 8 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:55,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:55,888 INFO L93 Difference]: Finished difference Result 268 states and 312 transitions. [2025-02-08 09:27:55,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:27:55,889 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2025-02-08 09:27:55,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:55,890 INFO L225 Difference]: With dead ends: 268 [2025-02-08 09:27:55,890 INFO L226 Difference]: Without dead ends: 267 [2025-02-08 09:27:55,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:27:55,891 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 329 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:55,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 252 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:27:55,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2025-02-08 09:27:55,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 192. [2025-02-08 09:27:55,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 161 states have (on average 1.3850931677018634) internal successors, (223), 188 states have internal predecessors, (223), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:55,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 227 transitions. [2025-02-08 09:27:55,901 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 227 transitions. Word has length 36 [2025-02-08 09:27:55,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:55,901 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 227 transitions. [2025-02-08 09:27:55,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:55,901 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 227 transitions. [2025-02-08 09:27:55,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-08 09:27:55,901 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:55,902 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:55,913 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 09:27:56,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:56,102 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:56,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:56,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1280522738, now seen corresponding path program 1 times [2025-02-08 09:27:56,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:56,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282109695] [2025-02-08 09:27:56,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:56,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:56,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:27:56,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:27:56,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:56,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:56,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1124167003] [2025-02-08 09:27:56,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:56,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:56,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:56,121 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 09:27:56,128 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 09:27:56,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:27:56,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:27:56,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:56,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:56,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:27:56,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:56,293 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:27:56,294 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:56,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:56,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282109695] [2025-02-08 09:27:56,590 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:56,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124167003] [2025-02-08 09:27:56,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124167003] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:56,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:56,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:27:56,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775311712] [2025-02-08 09:27:56,590 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:56,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:27:56,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:56,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:27:56,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:27:56,591 INFO L87 Difference]: Start difference. First operand 192 states and 227 transitions. Second operand has 8 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:56,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:56,756 INFO L93 Difference]: Finished difference Result 268 states and 311 transitions. [2025-02-08 09:27:56,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:27:56,759 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2025-02-08 09:27:56,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:56,760 INFO L225 Difference]: With dead ends: 268 [2025-02-08 09:27:56,760 INFO L226 Difference]: Without dead ends: 267 [2025-02-08 09:27:56,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:27:56,761 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 183 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:56,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 331 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:27:56,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2025-02-08 09:27:56,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 193. [2025-02-08 09:27:56,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 162 states have (on average 1.382716049382716) internal successors, (224), 189 states have internal predecessors, (224), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:56,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 228 transitions. [2025-02-08 09:27:56,768 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 228 transitions. Word has length 37 [2025-02-08 09:27:56,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:56,768 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 228 transitions. [2025-02-08 09:27:56,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:27:56,769 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 228 transitions. [2025-02-08 09:27:56,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:27:56,769 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:56,769 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:56,775 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 09:27:56,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:56,970 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:27:56,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:56,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1041499220, now seen corresponding path program 1 times [2025-02-08 09:27:56,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:56,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022254423] [2025-02-08 09:27:56,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:56,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:56,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:27:56,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:27:56,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:56,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:56,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1817258622] [2025-02-08 09:27:56,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:56,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:56,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:56,980 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 09:27:56,982 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 09:27:57,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:27:57,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:27:57,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:57,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:57,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:27:57,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:27:57,171 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:05,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:05,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022254423] [2025-02-08 09:28:05,437 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:05,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817258622] [2025-02-08 09:28:05,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817258622] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:28:05,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:28:05,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:28:05,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235744029] [2025-02-08 09:28:05,438 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:05,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:28:05,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:05,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:28:05,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=113, Unknown=2, NotChecked=0, Total=156 [2025-02-08 09:28:05,439 INFO L87 Difference]: Start difference. First operand 193 states and 228 transitions. Second operand has 9 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:05,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:05,567 INFO L93 Difference]: Finished difference Result 276 states and 324 transitions. [2025-02-08 09:28:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:28:05,568 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2025-02-08 09:28:05,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:05,569 INFO L225 Difference]: With dead ends: 276 [2025-02-08 09:28:05,569 INFO L226 Difference]: Without dead ends: 275 [2025-02-08 09:28:05,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=41, Invalid=113, Unknown=2, NotChecked=0, Total=156 [2025-02-08 09:28:05,570 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 189 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:05,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 376 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:05,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2025-02-08 09:28:05,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 194. [2025-02-08 09:28:05,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 163 states have (on average 1.3803680981595092) internal successors, (225), 190 states have internal predecessors, (225), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:05,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 229 transitions. [2025-02-08 09:28:05,580 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 229 transitions. Word has length 38 [2025-02-08 09:28:05,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:05,580 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 229 transitions. [2025-02-08 09:28:05,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:05,580 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 229 transitions. [2025-02-08 09:28:05,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:28:05,581 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:05,581 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:05,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 09:28:05,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:05,782 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:28:05,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:05,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2073262540, now seen corresponding path program 1 times [2025-02-08 09:28:05,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:05,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772289134] [2025-02-08 09:28:05,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:05,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:05,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:28:05,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:28:05,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:05,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:05,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [599219283] [2025-02-08 09:28:05,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:05,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:05,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:05,791 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 09:28:05,793 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 09:28:05,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:28:05,821 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:28:05,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:05,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:05,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:28:05,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:28:06,016 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:10,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:10,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772289134] [2025-02-08 09:28:10,443 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:10,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599219283] [2025-02-08 09:28:10,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599219283] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:28:10,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:28:10,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:28:10,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211424017] [2025-02-08 09:28:10,443 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:10,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:28:10,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:10,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:28:10,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=113, Unknown=1, NotChecked=0, Total=156 [2025-02-08 09:28:10,444 INFO L87 Difference]: Start difference. First operand 194 states and 229 transitions. Second operand has 9 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:10,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:10,608 INFO L93 Difference]: Finished difference Result 276 states and 323 transitions. [2025-02-08 09:28:10,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:28:10,612 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2025-02-08 09:28:10,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:10,613 INFO L225 Difference]: With dead ends: 276 [2025-02-08 09:28:10,613 INFO L226 Difference]: Without dead ends: 275 [2025-02-08 09:28:10,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=53, Invalid=128, Unknown=1, NotChecked=0, Total=182 [2025-02-08 09:28:10,613 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 272 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:10,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 275 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:10,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2025-02-08 09:28:10,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 195. [2025-02-08 09:28:10,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 164 states have (on average 1.3780487804878048) internal successors, (226), 191 states have internal predecessors, (226), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:10,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 230 transitions. [2025-02-08 09:28:10,640 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 230 transitions. Word has length 39 [2025-02-08 09:28:10,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:10,640 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 230 transitions. [2025-02-08 09:28:10,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:10,640 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 230 transitions. [2025-02-08 09:28:10,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:28:10,640 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:10,641 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:10,647 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 09:28:10,841 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,SelfDestructingSolverStorable22 [2025-02-08 09:28:10,841 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:28:10,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:10,841 INFO L85 PathProgramCache]: Analyzing trace with hash -153370710, now seen corresponding path program 1 times [2025-02-08 09:28:10,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:10,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914225606] [2025-02-08 09:28:10,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:10,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:10,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:28:10,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:28:10,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:10,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:10,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [813731732] [2025-02-08 09:28:10,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:10,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:10,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:10,854 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 09:28:10,858 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 09:28:10,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:28:10,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:28:10,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:10,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:10,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:28:10,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:11,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:28:11,081 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:19,338 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:28:19,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:19,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914225606] [2025-02-08 09:28:19,339 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:19,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813731732] [2025-02-08 09:28:19,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813731732] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:28:19,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:28:19,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:28:19,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657679432] [2025-02-08 09:28:19,339 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:19,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:28:19,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:19,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:28:19,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=141, Unknown=2, NotChecked=0, Total=182 [2025-02-08 09:28:19,340 INFO L87 Difference]: Start difference. First operand 195 states and 230 transitions. Second operand has 14 states, 13 states have (on average 4.846153846153846) internal successors, (63), 14 states have internal predecessors, (63), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:19,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:19,799 INFO L93 Difference]: Finished difference Result 270 states and 316 transitions. [2025-02-08 09:28:19,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:28:19,799 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.846153846153846) internal successors, (63), 14 states have internal predecessors, (63), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-02-08 09:28:19,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:19,800 INFO L225 Difference]: With dead ends: 270 [2025-02-08 09:28:19,800 INFO L226 Difference]: Without dead ends: 269 [2025-02-08 09:28:19,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=129, Invalid=421, Unknown=2, NotChecked=0, Total=552 [2025-02-08 09:28:19,801 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 511 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:19,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 261 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:28:19,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2025-02-08 09:28:19,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 202. [2025-02-08 09:28:19,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 171 states have (on average 1.3742690058479532) internal successors, (235), 198 states have internal predecessors, (235), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:19,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 239 transitions. [2025-02-08 09:28:19,810 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 239 transitions. Word has length 40 [2025-02-08 09:28:19,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:19,810 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 239 transitions. [2025-02-08 09:28:19,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.846153846153846) internal successors, (63), 14 states have internal predecessors, (63), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:19,810 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 239 transitions. [2025-02-08 09:28:19,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:28:19,810 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:19,810 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:19,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-08 09:28:20,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:20,015 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:28:20,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:20,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1930863609, now seen corresponding path program 1 times [2025-02-08 09:28:20,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:20,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831466339] [2025-02-08 09:28:20,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:20,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:20,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:28:20,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:28:20,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:20,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:20,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2089676354] [2025-02-08 09:28:20,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:20,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:20,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:20,025 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 09:28:20,026 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 09:28:20,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:28:20,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:28:20,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:20,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:20,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:28:20,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:20,124 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:28:20,124 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:20,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:20,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831466339] [2025-02-08 09:28:20,124 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:20,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089676354] [2025-02-08 09:28:20,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089676354] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:20,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:20,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:28:20,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482361066] [2025-02-08 09:28:20,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:20,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:28:20,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:20,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:28:20,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:28:20,126 INFO L87 Difference]: Start difference. First operand 202 states and 239 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:28:20,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:20,203 INFO L93 Difference]: Finished difference Result 208 states and 239 transitions. [2025-02-08 09:28:20,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:28:20,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40 [2025-02-08 09:28:20,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:20,204 INFO L225 Difference]: With dead ends: 208 [2025-02-08 09:28:20,204 INFO L226 Difference]: Without dead ends: 206 [2025-02-08 09:28:20,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:28:20,205 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 38 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:20,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 221 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:20,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2025-02-08 09:28:20,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 202. [2025-02-08 09:28:20,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 171 states have (on average 1.3567251461988303) internal successors, (232), 198 states have internal predecessors, (232), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:20,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 236 transitions. [2025-02-08 09:28:20,212 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 236 transitions. Word has length 40 [2025-02-08 09:28:20,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:20,212 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 236 transitions. [2025-02-08 09:28:20,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:28:20,212 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 236 transitions. [2025-02-08 09:28:20,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:28:20,213 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:20,213 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:20,219 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 09:28:20,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:20,414 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:28:20,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:20,415 INFO L85 PathProgramCache]: Analyzing trace with hash -459524726, now seen corresponding path program 1 times [2025-02-08 09:28:20,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:20,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982578270] [2025-02-08 09:28:20,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:20,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:20,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:28:20,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:28:20,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:20,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:20,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [96072195] [2025-02-08 09:28:20,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:20,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:20,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:20,429 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 09:28:20,431 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 09:28:20,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:28:20,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:28:20,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:20,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:20,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 09:28:20,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:28:20,626 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:24,900 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:28:24,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:24,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982578270] [2025-02-08 09:28:24,900 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:24,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96072195] [2025-02-08 09:28:24,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96072195] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:28:24,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:28:24,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2025-02-08 09:28:24,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080931115] [2025-02-08 09:28:24,900 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:24,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:28:24,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:24,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:28:24,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=138, Unknown=1, NotChecked=0, Total=182 [2025-02-08 09:28:24,901 INFO L87 Difference]: Start difference. First operand 202 states and 236 transitions. Second operand has 14 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:28:25,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:25,280 INFO L93 Difference]: Finished difference Result 273 states and 314 transitions. [2025-02-08 09:28:25,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:28:25,280 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 41 [2025-02-08 09:28:25,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:25,281 INFO L225 Difference]: With dead ends: 273 [2025-02-08 09:28:25,281 INFO L226 Difference]: Without dead ends: 272 [2025-02-08 09:28:25,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=50, Invalid=159, Unknown=1, NotChecked=0, Total=210 [2025-02-08 09:28:25,282 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 225 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:25,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 490 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:28:25,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2025-02-08 09:28:25,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 204. [2025-02-08 09:28:25,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 173 states have (on average 1.3583815028901733) internal successors, (235), 200 states have internal predecessors, (235), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:25,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 239 transitions. [2025-02-08 09:28:25,292 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 239 transitions. Word has length 41 [2025-02-08 09:28:25,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:25,292 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 239 transitions. [2025-02-08 09:28:25,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:28:25,292 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 239 transitions. [2025-02-08 09:28:25,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:28:25,293 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:25,293 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:25,299 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 09:28:25,493 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,SelfDestructingSolverStorable25 [2025-02-08 09:28:25,493 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:28:25,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:25,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1881147497, now seen corresponding path program 1 times [2025-02-08 09:28:25,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:25,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629068868] [2025-02-08 09:28:25,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:25,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:25,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:28:25,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:28:25,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:25,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:28:25,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:25,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629068868] [2025-02-08 09:28:25,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629068868] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:25,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:25,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:28:25,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947302688] [2025-02-08 09:28:25,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:25,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:28:25,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:25,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:28:25,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:28:25,529 INFO L87 Difference]: Start difference. First operand 204 states and 239 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:28:25,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:25,573 INFO L93 Difference]: Finished difference Result 309 states and 354 transitions. [2025-02-08 09:28:25,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:28:25,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2025-02-08 09:28:25,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:25,574 INFO L225 Difference]: With dead ends: 309 [2025-02-08 09:28:25,574 INFO L226 Difference]: Without dead ends: 154 [2025-02-08 09:28:25,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:28:25,574 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 24 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:25,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 312 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:28:25,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2025-02-08 09:28:25,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 150. [2025-02-08 09:28:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 123 states have (on average 1.3252032520325203) internal successors, (163), 146 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:25,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 167 transitions. [2025-02-08 09:28:25,579 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 167 transitions. Word has length 41 [2025-02-08 09:28:25,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:25,580 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 167 transitions. [2025-02-08 09:28:25,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:28:25,580 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 167 transitions. [2025-02-08 09:28:25,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:28:25,580 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:25,580 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:25,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-02-08 09:28:25,580 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:28:25,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:25,581 INFO L85 PathProgramCache]: Analyzing trace with hash 272770269, now seen corresponding path program 1 times [2025-02-08 09:28:25,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:25,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373040600] [2025-02-08 09:28:25,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:25,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:25,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:28:25,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:28:25,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:25,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:25,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [927991100] [2025-02-08 09:28:25,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:25,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:25,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:25,593 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 09:28:25,595 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 09:28:25,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:28:25,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:28:25,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:25,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:25,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:28:25,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:25,699 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:28:25,699 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:28:25,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:25,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373040600] [2025-02-08 09:28:25,964 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:25,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927991100] [2025-02-08 09:28:25,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927991100] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:28:25,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:28:25,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:28:25,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040347775] [2025-02-08 09:28:25,964 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:25,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:28:25,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:25,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:28:25,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:28:25,965 INFO L87 Difference]: Start difference. First operand 150 states and 167 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:28:26,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:26,327 INFO L93 Difference]: Finished difference Result 151 states and 167 transitions. [2025-02-08 09:28:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:28:26,327 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2025-02-08 09:28:26,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:26,328 INFO L225 Difference]: With dead ends: 151 [2025-02-08 09:28:26,328 INFO L226 Difference]: Without dead ends: 150 [2025-02-08 09:28:26,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:28:26,328 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 30 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:26,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 306 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:28:26,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2025-02-08 09:28:26,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2025-02-08 09:28:26,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 123 states have (on average 1.3170731707317074) internal successors, (162), 146 states have internal predecessors, (162), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:26,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 166 transitions. [2025-02-08 09:28:26,333 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 166 transitions. Word has length 41 [2025-02-08 09:28:26,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:26,333 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 166 transitions. [2025-02-08 09:28:26,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:28:26,333 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 166 transitions. [2025-02-08 09:28:26,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:28:26,334 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:26,334 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:26,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-08 09:28:26,534 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 09:28:26,534 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:28:26,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:26,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1360364632, now seen corresponding path program 1 times [2025-02-08 09:28:26,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:26,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427563071] [2025-02-08 09:28:26,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:26,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:26,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:28:26,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:28:26,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:26,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:26,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [862520176] [2025-02-08 09:28:26,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:26,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:26,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:26,545 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 09:28:26,546 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 09:28:26,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:28:26,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:28:26,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:26,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:26,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:28:26,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:28:26,702 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:26,853 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:28:26,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:26,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427563071] [2025-02-08 09:28:26,854 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:26,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862520176] [2025-02-08 09:28:26,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862520176] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:28:26,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:28:26,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2025-02-08 09:28:26,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899970648] [2025-02-08 09:28:26,854 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:26,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:28:26,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:26,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:28:26,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:28:26,855 INFO L87 Difference]: Start difference. First operand 150 states and 166 transitions. Second operand has 12 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:27,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:27,054 INFO L93 Difference]: Finished difference Result 194 states and 217 transitions. [2025-02-08 09:28:27,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:28:27,054 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2025-02-08 09:28:27,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:27,055 INFO L225 Difference]: With dead ends: 194 [2025-02-08 09:28:27,055 INFO L226 Difference]: Without dead ends: 193 [2025-02-08 09:28:27,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:28:27,055 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 204 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:27,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 389 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:28:27,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2025-02-08 09:28:27,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 151. [2025-02-08 09:28:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 124 states have (on average 1.314516129032258) internal successors, (163), 147 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:27,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 167 transitions. [2025-02-08 09:28:27,061 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 167 transitions. Word has length 42 [2025-02-08 09:28:27,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:27,061 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 167 transitions. [2025-02-08 09:28:27,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:27,061 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 167 transitions. [2025-02-08 09:28:27,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:28:27,061 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:27,062 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:27,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-08 09:28:27,265 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 09:28:27,265 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:28:27,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:27,265 INFO L85 PathProgramCache]: Analyzing trace with hash 778369352, now seen corresponding path program 1 times [2025-02-08 09:28:27,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:27,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641609935] [2025-02-08 09:28:27,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:27,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:27,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:28:27,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:28:27,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:27,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:27,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1667817148] [2025-02-08 09:28:27,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:27,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:27,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:27,274 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 09:28:27,275 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 09:28:27,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:28:27,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:28:27,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:27,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:27,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:28:27,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:28:27,444 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:27,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:27,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641609935] [2025-02-08 09:28:27,747 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:27,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667817148] [2025-02-08 09:28:27,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667817148] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:28:27,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:28:27,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:28:27,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046187884] [2025-02-08 09:28:27,747 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:27,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:28:27,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:27,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:28:27,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:28:27,748 INFO L87 Difference]: Start difference. First operand 151 states and 167 transitions. Second operand has 8 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:28:27,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:27,861 INFO L93 Difference]: Finished difference Result 194 states and 216 transitions. [2025-02-08 09:28:27,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:28:27,861 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2025-02-08 09:28:27,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:27,862 INFO L225 Difference]: With dead ends: 194 [2025-02-08 09:28:27,862 INFO L226 Difference]: Without dead ends: 193 [2025-02-08 09:28:27,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:28:27,863 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 178 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:27,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 253 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:27,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2025-02-08 09:28:27,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 152. [2025-02-08 09:28:27,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 125 states have (on average 1.312) internal successors, (164), 148 states have internal predecessors, (164), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:27,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 168 transitions. [2025-02-08 09:28:27,869 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 168 transitions. Word has length 43 [2025-02-08 09:28:27,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:27,869 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 168 transitions. [2025-02-08 09:28:27,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:28:27,869 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 168 transitions. [2025-02-08 09:28:27,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:28:27,870 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:27,870 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:27,876 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 09:28:28,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:28,071 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:28:28,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:28,071 INFO L85 PathProgramCache]: Analyzing trace with hash 139223515, now seen corresponding path program 1 times [2025-02-08 09:28:28,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:28,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831501084] [2025-02-08 09:28:28,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:28,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:28,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:28:28,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:28:28,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:28,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:28,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [298396366] [2025-02-08 09:28:28,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:28,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:28,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:28,083 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 09:28:28,085 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 09:28:28,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:28:28,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:28:28,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:28,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:28,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:28:28,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:28,249 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:28:28,250 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:28,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:28,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831501084] [2025-02-08 09:28:28,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:28,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298396366] [2025-02-08 09:28:28,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298396366] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:28,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:28,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:28:28,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008967621] [2025-02-08 09:28:28,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:28,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:28:28,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:28,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:28:28,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:28:28,252 INFO L87 Difference]: Start difference. First operand 152 states and 168 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:28:28,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:28,389 INFO L93 Difference]: Finished difference Result 153 states and 168 transitions. [2025-02-08 09:28:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:28:28,389 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2025-02-08 09:28:28,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:28,390 INFO L225 Difference]: With dead ends: 153 [2025-02-08 09:28:28,390 INFO L226 Difference]: Without dead ends: 152 [2025-02-08 09:28:28,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:28:28,391 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 5 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:28,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 242 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:28,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2025-02-08 09:28:28,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2025-02-08 09:28:28,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 125 states have (on average 1.304) internal successors, (163), 148 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 167 transitions. [2025-02-08 09:28:28,406 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 167 transitions. Word has length 43 [2025-02-08 09:28:28,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:28,407 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 167 transitions. [2025-02-08 09:28:28,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:28:28,407 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 167 transitions. [2025-02-08 09:28:28,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:28:28,407 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:28,407 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-08 09:28:28,413 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 09:28:28,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:28,608 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:28:28,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:28,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1919805104, now seen corresponding path program 1 times [2025-02-08 09:28:28,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:28,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724778693] [2025-02-08 09:28:28,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:28,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:28,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:28:28,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:28:28,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:28,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:28:28,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:28,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724778693] [2025-02-08 09:28:28,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724778693] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:28:28,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406211370] [2025-02-08 09:28:28,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:28,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:28,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:28,669 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 09:28:28,670 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 09:28:28,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:28:28,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:28:28,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:28,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:28,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:28:28,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:28:28,762 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:28,816 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:28:28,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406211370] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:28:28,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:28:28,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 8] total 12 [2025-02-08 09:28:28,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870253166] [2025-02-08 09:28:28,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:28,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:28:28,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:28,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:28:28,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:28:28,818 INFO L87 Difference]: Start difference. First operand 152 states and 167 transitions. Second operand has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:28:29,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:29,157 INFO L93 Difference]: Finished difference Result 295 states and 324 transitions. [2025-02-08 09:28:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:28:29,157 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2025-02-08 09:28:29,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:29,158 INFO L225 Difference]: With dead ends: 295 [2025-02-08 09:28:29,158 INFO L226 Difference]: Without dead ends: 205 [2025-02-08 09:28:29,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 76 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:28:29,159 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 101 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:29,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 525 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:28:29,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2025-02-08 09:28:29,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 176. [2025-02-08 09:28:29,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 149 states have (on average 1.2751677852348993) internal successors, (190), 172 states have internal predecessors, (190), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:29,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 194 transitions. [2025-02-08 09:28:29,168 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 194 transitions. Word has length 44 [2025-02-08 09:28:29,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:29,168 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 194 transitions. [2025-02-08 09:28:29,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:28:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 194 transitions. [2025-02-08 09:28:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:28:29,170 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:29,170 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:29,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-08 09:28:29,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:29,371 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:28:29,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:29,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1640353882, now seen corresponding path program 1 times [2025-02-08 09:28:29,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:29,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108655489] [2025-02-08 09:28:29,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:29,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:29,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:28:29,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:28:29,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:29,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:29,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1076101112] [2025-02-08 09:28:29,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:29,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:29,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:29,379 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 09:28:29,380 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 09:28:29,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:28:29,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:28:29,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:29,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:29,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-08 09:28:29,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:29,663 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:28:29,663 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:38,036 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:28:38,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:38,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108655489] [2025-02-08 09:28:38,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:38,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076101112] [2025-02-08 09:28:38,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076101112] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:28:38,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:28:38,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2025-02-08 09:28:38,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291833615] [2025-02-08 09:28:38,037 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:38,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:28:38,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:38,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:28:38,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=207, Unknown=2, NotChecked=0, Total=272 [2025-02-08 09:28:38,037 INFO L87 Difference]: Start difference. First operand 176 states and 194 transitions. Second operand has 17 states, 14 states have (on average 5.428571428571429) internal successors, (76), 15 states have internal predecessors, (76), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:38,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:38,417 INFO L93 Difference]: Finished difference Result 188 states and 209 transitions. [2025-02-08 09:28:38,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:28:38,417 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 5.428571428571429) internal successors, (76), 15 states have internal predecessors, (76), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2025-02-08 09:28:38,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:38,418 INFO L225 Difference]: With dead ends: 188 [2025-02-08 09:28:38,418 INFO L226 Difference]: Without dead ends: 186 [2025-02-08 09:28:38,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=82, Invalid=258, Unknown=2, NotChecked=0, Total=342 [2025-02-08 09:28:38,419 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 346 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:38,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 306 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:28:38,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2025-02-08 09:28:38,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 172. [2025-02-08 09:28:38,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 145 states have (on average 1.2758620689655173) internal successors, (185), 168 states have internal predecessors, (185), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:38,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 189 transitions. [2025-02-08 09:28:38,425 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 189 transitions. Word has length 44 [2025-02-08 09:28:38,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:38,425 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 189 transitions. [2025-02-08 09:28:38,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 5.428571428571429) internal successors, (76), 15 states have internal predecessors, (76), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:38,425 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 189 transitions. [2025-02-08 09:28:38,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:28:38,426 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:38,426 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:38,432 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 09:28:38,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:38,626 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:28:38,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:38,627 INFO L85 PathProgramCache]: Analyzing trace with hash 688637190, now seen corresponding path program 1 times [2025-02-08 09:28:38,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:38,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337519211] [2025-02-08 09:28:38,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:38,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:38,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:28:38,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:28:38,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:38,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:38,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1630246128] [2025-02-08 09:28:38,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:38,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:38,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:38,634 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 09:28:38,635 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 09:28:38,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:28:38,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:28:38,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:38,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:38,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 09:28:38,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:38,892 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:28:38,892 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:28:47,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:47,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337519211] [2025-02-08 09:28:47,312 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:47,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630246128] [2025-02-08 09:28:47,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630246128] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:28:47,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:28:47,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2025-02-08 09:28:47,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010213580] [2025-02-08 09:28:47,313 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:47,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:28:47,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:47,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:28:47,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=181, Unknown=2, NotChecked=0, Total=240 [2025-02-08 09:28:47,317 INFO L87 Difference]: Start difference. First operand 172 states and 189 transitions. Second operand has 16 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:28:48,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:48,022 INFO L93 Difference]: Finished difference Result 182 states and 202 transitions. [2025-02-08 09:28:48,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:28:48,023 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) Word has length 45 [2025-02-08 09:28:48,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:48,023 INFO L225 Difference]: With dead ends: 182 [2025-02-08 09:28:48,023 INFO L226 Difference]: Without dead ends: 181 [2025-02-08 09:28:48,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=76, Invalid=228, Unknown=2, NotChecked=0, Total=306 [2025-02-08 09:28:48,024 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 278 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:48,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 301 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:28:48,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2025-02-08 09:28:48,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 173. [2025-02-08 09:28:48,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 146 states have (on average 1.273972602739726) internal successors, (186), 169 states have internal predecessors, (186), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:48,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 190 transitions. [2025-02-08 09:28:48,030 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 190 transitions. Word has length 45 [2025-02-08 09:28:48,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:48,030 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 190 transitions. [2025-02-08 09:28:48,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:28:48,030 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 190 transitions. [2025-02-08 09:28:48,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 09:28:48,031 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:48,031 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:48,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-08 09:28:48,231 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,SelfDestructingSolverStorable33 [2025-02-08 09:28:48,231 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:28:48,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:48,232 INFO L85 PathProgramCache]: Analyzing trace with hash -127083612, now seen corresponding path program 1 times [2025-02-08 09:28:48,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:48,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239620571] [2025-02-08 09:28:48,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:48,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:48,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:28:48,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:28:48,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:48,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:48,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1702395288] [2025-02-08 09:28:48,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:48,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:48,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:48,242 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 09:28:48,243 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 09:28:48,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:28:48,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:28:48,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:48,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:48,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:28:48,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:48,449 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:28:48,450 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:48,652 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:28:48,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:48,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239620571] [2025-02-08 09:28:48,652 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:48,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702395288] [2025-02-08 09:28:48,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702395288] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:28:48,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:28:48,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2025-02-08 09:28:48,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208837809] [2025-02-08 09:28:48,652 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:48,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:28:48,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:48,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:28:48,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:28:48,653 INFO L87 Difference]: Start difference. First operand 173 states and 190 transitions. Second operand has 16 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:49,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:49,092 INFO L93 Difference]: Finished difference Result 324 states and 371 transitions. [2025-02-08 09:28:49,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:28:49,092 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2025-02-08 09:28:49,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:49,093 INFO L225 Difference]: With dead ends: 324 [2025-02-08 09:28:49,093 INFO L226 Difference]: Without dead ends: 321 [2025-02-08 09:28:49,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=367, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:28:49,094 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 674 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:49,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 398 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:28:49,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2025-02-08 09:28:49,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 263. [2025-02-08 09:28:49,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 236 states have (on average 1.3432203389830508) internal successors, (317), 259 states have internal predecessors, (317), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:49,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 321 transitions. [2025-02-08 09:28:49,101 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 321 transitions. Word has length 46 [2025-02-08 09:28:49,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:49,101 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 321 transitions. [2025-02-08 09:28:49,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:49,101 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 321 transitions. [2025-02-08 09:28:49,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 09:28:49,102 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:49,102 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:49,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-08 09:28:49,302 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,SelfDestructingSolverStorable34 [2025-02-08 09:28:49,302 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:28:49,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:49,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1330564400, now seen corresponding path program 1 times [2025-02-08 09:28:49,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:49,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685258935] [2025-02-08 09:28:49,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:49,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:49,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:28:49,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:28:49,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:49,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:49,383 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:28:49,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:49,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685258935] [2025-02-08 09:28:49,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685258935] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:28:49,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073679193] [2025-02-08 09:28:49,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:49,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:49,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:49,385 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 09:28:49,387 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 09:28:49,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:28:49,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:28:49,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:49,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:49,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:28:49,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:49,490 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:28:49,490 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:49,622 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:28:49,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073679193] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:28:49,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:28:49,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 26 [2025-02-08 09:28:49,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99812618] [2025-02-08 09:28:49,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:49,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-02-08 09:28:49,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:49,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-02-08 09:28:49,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2025-02-08 09:28:49,623 INFO L87 Difference]: Start difference. First operand 263 states and 321 transitions. Second operand has 27 states, 26 states have (on average 4.115384615384615) internal successors, (107), 27 states have internal predecessors, (107), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:49,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:49,877 INFO L93 Difference]: Finished difference Result 360 states and 436 transitions. [2025-02-08 09:28:49,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-08 09:28:49,878 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.115384615384615) internal successors, (107), 27 states have internal predecessors, (107), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2025-02-08 09:28:49,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:49,879 INFO L225 Difference]: With dead ends: 360 [2025-02-08 09:28:49,879 INFO L226 Difference]: Without dead ends: 359 [2025-02-08 09:28:49,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=466, Invalid=1696, Unknown=0, NotChecked=0, Total=2162 [2025-02-08 09:28:49,879 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 362 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:49,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 928 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:49,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2025-02-08 09:28:49,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 252. [2025-02-08 09:28:49,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 226 states have (on average 1.3274336283185841) internal successors, (300), 248 states have internal predecessors, (300), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:28:49,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 304 transitions. [2025-02-08 09:28:49,889 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 304 transitions. Word has length 46 [2025-02-08 09:28:49,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:49,889 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 304 transitions. [2025-02-08 09:28:49,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.115384615384615) internal successors, (107), 27 states have internal predecessors, (107), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:49,889 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 304 transitions. [2025-02-08 09:28:49,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:28:49,889 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:49,889 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:49,895 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 09:28:50,094 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,SelfDestructingSolverStorable35 [2025-02-08 09:28:50,094 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:28:50,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:50,094 INFO L85 PathProgramCache]: Analyzing trace with hash 355375300, now seen corresponding path program 1 times [2025-02-08 09:28:50,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:50,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894268305] [2025-02-08 09:28:50,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:50,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:50,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:28:50,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:28:50,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:50,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:50,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [281371591] [2025-02-08 09:28:50,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:50,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:50,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:50,105 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 09:28:50,106 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 09:28:50,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:28:50,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:28:50,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:50,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:50,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:28:50,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:50,278 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:28:50,278 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:28:50,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:50,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894268305] [2025-02-08 09:28:50,943 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:50,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281371591] [2025-02-08 09:28:50,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281371591] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:28:50,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:28:50,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2025-02-08 09:28:50,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972100207] [2025-02-08 09:28:50,943 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:50,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:28:50,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:50,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:28:50,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=184, Unknown=1, NotChecked=0, Total=240 [2025-02-08 09:28:50,944 INFO L87 Difference]: Start difference. First operand 252 states and 304 transitions. Second operand has 16 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:55,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-08 09:28:59,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-08 09:29:03,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-08 09:29:07,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-08 09:29:07,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:07,824 INFO L93 Difference]: Finished difference Result 304 states and 336 transitions. [2025-02-08 09:29:07,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:29:07,824 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2025-02-08 09:29:07,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:07,825 INFO L225 Difference]: With dead ends: 304 [2025-02-08 09:29:07,825 INFO L226 Difference]: Without dead ends: 301 [2025-02-08 09:29:07,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=147, Invalid=452, Unknown=1, NotChecked=0, Total=600 [2025-02-08 09:29:07,826 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 348 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 10 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:07,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 490 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 346 Invalid, 4 Unknown, 0 Unchecked, 16.7s Time] [2025-02-08 09:29:07,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2025-02-08 09:29:07,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 254. [2025-02-08 09:29:07,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 228 states have (on average 1.3201754385964912) internal successors, (301), 250 states have internal predecessors, (301), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:29:07,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 305 transitions. [2025-02-08 09:29:07,839 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 305 transitions. Word has length 47 [2025-02-08 09:29:07,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:07,839 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 305 transitions. [2025-02-08 09:29:07,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:29:07,839 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 305 transitions. [2025-02-08 09:29:07,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-08 09:29:07,841 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:07,841 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:07,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-08 09:29:08,041 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,SelfDestructingSolverStorable36 [2025-02-08 09:29:08,042 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:29:08,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:08,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1868267614, now seen corresponding path program 1 times [2025-02-08 09:29:08,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:08,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461952130] [2025-02-08 09:29:08,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:08,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:08,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:29:08,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:29:08,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:08,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:08,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [308325627] [2025-02-08 09:29:08,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:08,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:08,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:08,051 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 09:29:08,053 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 09:29:08,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:29:08,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:29:08,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:08,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:08,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:29:08,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:29:08,141 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:08,227 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:29:08,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:08,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461952130] [2025-02-08 09:29:08,228 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:08,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308325627] [2025-02-08 09:29:08,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308325627] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:29:08,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:29:08,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2025-02-08 09:29:08,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638025004] [2025-02-08 09:29:08,228 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:08,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:29:08,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:08,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:29:08,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:29:08,228 INFO L87 Difference]: Start difference. First operand 254 states and 305 transitions. Second operand has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:29:08,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:08,396 INFO L93 Difference]: Finished difference Result 259 states and 310 transitions. [2025-02-08 09:29:08,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:29:08,400 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 48 [2025-02-08 09:29:08,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:08,401 INFO L225 Difference]: With dead ends: 259 [2025-02-08 09:29:08,401 INFO L226 Difference]: Without dead ends: 258 [2025-02-08 09:29:08,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:29:08,402 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 19 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:08,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 306 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:29:08,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2025-02-08 09:29:08,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 257. [2025-02-08 09:29:08,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 231 states have (on average 1.316017316017316) internal successors, (304), 253 states have internal predecessors, (304), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:29:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 308 transitions. [2025-02-08 09:29:08,411 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 308 transitions. Word has length 48 [2025-02-08 09:29:08,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:08,412 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 308 transitions. [2025-02-08 09:29:08,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:29:08,412 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 308 transitions. [2025-02-08 09:29:08,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-08 09:29:08,412 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:08,412 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:08,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-02-08 09:29:08,613 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,SelfDestructingSolverStorable37 [2025-02-08 09:29:08,613 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:29:08,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:08,613 INFO L85 PathProgramCache]: Analyzing trace with hash -2081721214, now seen corresponding path program 1 times [2025-02-08 09:29:08,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:08,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654682748] [2025-02-08 09:29:08,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:08,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:08,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 09:29:08,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 09:29:08,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:08,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:08,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636349515] [2025-02-08 09:29:08,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:08,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:08,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:08,624 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 09:29:08,625 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 09:29:08,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 09:29:08,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 09:29:08,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:08,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:08,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:29:08,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:08,743 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:29:08,743 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:29:08,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:08,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654682748] [2025-02-08 09:29:08,846 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:08,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636349515] [2025-02-08 09:29:08,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636349515] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:29:08,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:29:08,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2025-02-08 09:29:08,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486589509] [2025-02-08 09:29:08,846 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:08,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:29:08,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:08,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:29:08,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:29:08,847 INFO L87 Difference]: Start difference. First operand 257 states and 308 transitions. Second operand has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:29:09,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:09,073 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2025-02-08 09:29:09,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:29:09,073 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 49 [2025-02-08 09:29:09,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:09,074 INFO L225 Difference]: With dead ends: 259 [2025-02-08 09:29:09,074 INFO L226 Difference]: Without dead ends: 231 [2025-02-08 09:29:09,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:29:09,074 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 25 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:09,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 270 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:29:09,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2025-02-08 09:29:09,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2025-02-08 09:29:09,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 205 states have (on average 1.351219512195122) internal successors, (277), 227 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:29:09,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 281 transitions. [2025-02-08 09:29:09,090 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 281 transitions. Word has length 49 [2025-02-08 09:29:09,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:09,090 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 281 transitions. [2025-02-08 09:29:09,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:29:09,090 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 281 transitions. [2025-02-08 09:29:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-02-08 09:29:09,091 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:09,091 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:09,098 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 09:29:09,291 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,SelfDestructingSolverStorable38 [2025-02-08 09:29:09,292 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:29:09,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:09,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1721762464, now seen corresponding path program 1 times [2025-02-08 09:29:09,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:09,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399408680] [2025-02-08 09:29:09,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:09,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:09,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 09:29:09,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 09:29:09,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:09,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:09,336 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-08 09:29:09,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:09,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399408680] [2025-02-08 09:29:09,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399408680] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:29:09,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:29:09,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:29:09,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265608727] [2025-02-08 09:29:09,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:29:09,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:29:09,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:09,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:29:09,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:29:09,338 INFO L87 Difference]: Start difference. First operand 231 states and 281 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:29:09,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:09,368 INFO L93 Difference]: Finished difference Result 249 states and 298 transitions. [2025-02-08 09:29:09,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:29:09,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2025-02-08 09:29:09,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:09,370 INFO L225 Difference]: With dead ends: 249 [2025-02-08 09:29:09,370 INFO L226 Difference]: Without dead ends: 61 [2025-02-08 09:29:09,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:29:09,370 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 20 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:09,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 162 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:29:09,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-02-08 09:29:09,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-02-08 09:29:09,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 54 states have (on average 1.0555555555555556) internal successors, (57), 57 states have internal predecessors, (57), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:29:09,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2025-02-08 09:29:09,374 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 57 [2025-02-08 09:29:09,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:09,374 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2025-02-08 09:29:09,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:29:09,375 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2025-02-08 09:29:09,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-02-08 09:29:09,375 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:09,375 INFO L218 NwaCegarLoop]: trace histogram [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 09:29:09,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-02-08 09:29:09,375 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:29:09,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:09,376 INFO L85 PathProgramCache]: Analyzing trace with hash -683789988, now seen corresponding path program 1 times [2025-02-08 09:29:09,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:09,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106690884] [2025-02-08 09:29:09,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:09,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:09,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-08 09:29:09,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-08 09:29:09,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:09,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:09,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [990203914] [2025-02-08 09:29:09,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:09,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:09,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:09,385 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 09:29:09,387 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 09:29:09,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-08 09:29:09,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-08 09:29:09,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:09,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:09,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:29:09,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:29:09,710 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:26,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:26,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106690884] [2025-02-08 09:29:26,854 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:26,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990203914] [2025-02-08 09:29:26,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990203914] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:26,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:29:26,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:29:26,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556347899] [2025-02-08 09:29:26,854 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:26,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:29:26,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:26,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:29:26,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=279, Unknown=4, NotChecked=0, Total=380 [2025-02-08 09:29:26,855 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand has 12 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:29:26,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:26,965 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2025-02-08 09:29:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:29:26,966 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 58 [2025-02-08 09:29:26,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:26,966 INFO L225 Difference]: With dead ends: 61 [2025-02-08 09:29:26,966 INFO L226 Difference]: Without dead ends: 60 [2025-02-08 09:29:26,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=112, Invalid=304, Unknown=4, NotChecked=0, Total=420 [2025-02-08 09:29:26,967 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 9 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:26,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 142 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:29:26,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-02-08 09:29:26,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2025-02-08 09:29:26,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 54 states have (on average 1.037037037037037) internal successors, (56), 56 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:29:26,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2025-02-08 09:29:26,972 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2025-02-08 09:29:26,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:26,972 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2025-02-08 09:29:26,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:29:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2025-02-08 09:29:26,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-08 09:29:26,973 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:26,973 INFO L218 NwaCegarLoop]: trace histogram [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 09:29:26,980 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 09:29:27,173 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 09:29:27,174 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:29:27,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:27,175 INFO L85 PathProgramCache]: Analyzing trace with hash 277346828, now seen corresponding path program 1 times [2025-02-08 09:29:27,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:27,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531482663] [2025-02-08 09:29:27,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:27,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:27,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 09:29:27,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 09:29:27,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:27,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:27,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1881571268] [2025-02-08 09:29:27,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:27,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:27,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:27,189 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 09:29:27,190 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 09:29:27,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 09:29:27,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 09:29:27,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:27,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:27,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:29:27,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:27,495 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:29:27,495 INFO L312 TraceCheckSpWp]: Computing backward predicates...