./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc 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/ps4-ll_unwindbound5.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d629f4eefc4b49512b7b1b628f28a13dcdca90b36cb521919e0cc9ad875c2764 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 14:23:30,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:23:30,830 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 14:23:30,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:23:30,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:23:30,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:23:30,861 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:23:30,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:23:30,861 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:23:30,861 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:23:30,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:23:30,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:23:30,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:23:30,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:23:30,862 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:23:30,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:23:30,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:23:30,862 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 14:23:30,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:23:30,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 14:23:30,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:23:30,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:23:30,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:23:30,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:23:30,863 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:23:30,863 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:23:30,863 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 14:23:30,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:23:30,863 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:23:30,863 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:23:30,863 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:23:30,863 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:23:30,863 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:23:30,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:23:30,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:23:30,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:23:30,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:23:30,864 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:23:30,864 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:23:30,864 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:23:30,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:23:30,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:23:30,864 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:23:30,864 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:23:30,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:23:30,865 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 -> d629f4eefc4b49512b7b1b628f28a13dcdca90b36cb521919e0cc9ad875c2764 [2025-02-06 14:23:31,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:23:31,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:23:31,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:23:31,099 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:23:31,099 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:23:31,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c [2025-02-06 14:23:32,261 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce41c1814/d0a472f98fc6430b9aab1facdca23593/FLAG57caabad2 [2025-02-06 14:23:32,509 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:23:32,510 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c [2025-02-06 14:23:32,526 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce41c1814/d0a472f98fc6430b9aab1facdca23593/FLAG57caabad2 [2025-02-06 14:23:32,539 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce41c1814/d0a472f98fc6430b9aab1facdca23593 [2025-02-06 14:23:32,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:23:32,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:23:32,545 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:23:32,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:23:32,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:23:32,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:23:32" (1/1) ... [2025-02-06 14:23:32,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404890d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:32, skipping insertion in model container [2025-02-06 14:23:32,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:23:32" (1/1) ... [2025-02-06 14:23:32,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:23:32,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:23:32,669 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:23:32,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:23:32,687 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:23:32,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:32 WrapperNode [2025-02-06 14:23:32,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:23:32,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:23:32,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:23:32,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:23:32,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:32" (1/1) ... [2025-02-06 14:23:32,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:32" (1/1) ... [2025-02-06 14:23:32,706 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2025-02-06 14:23:32,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:23:32,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:23:32,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:23:32,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:23:32,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:32" (1/1) ... [2025-02-06 14:23:32,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:32" (1/1) ... [2025-02-06 14:23:32,712 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:32" (1/1) ... [2025-02-06 14:23:32,718 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]. [2025-02-06 14:23:32,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:32" (1/1) ... [2025-02-06 14:23:32,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:32" (1/1) ... [2025-02-06 14:23:32,720 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:32" (1/1) ... [2025-02-06 14:23:32,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:32" (1/1) ... [2025-02-06 14:23:32,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:32" (1/1) ... [2025-02-06 14:23:32,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:32" (1/1) ... [2025-02-06 14:23:32,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:23:32,722 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:23:32,722 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:23:32,723 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:23:32,723 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:32" (1/1) ... [2025-02-06 14:23:32,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:23:32,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:32,741 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) [2025-02-06 14:23:32,743 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 [2025-02-06 14:23:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:23:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:23:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:23:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:23:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 14:23:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 14:23:32,792 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:23:32,793 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:23:33,045 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2025-02-06 14:23:33,045 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:23:33,063 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:23:33,063 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:23:33,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:23:33 BoogieIcfgContainer [2025-02-06 14:23:33,064 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:23:33,065 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:23:33,065 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:23:33,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:23:33,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:23:32" (1/3) ... [2025-02-06 14:23:33,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b1fb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:23:33, skipping insertion in model container [2025-02-06 14:23:33,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:32" (2/3) ... [2025-02-06 14:23:33,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b1fb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:23:33, skipping insertion in model container [2025-02-06 14:23:33,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:23:33" (3/3) ... [2025-02-06 14:23:33,070 INFO L128 eAbstractionObserver]: Analyzing ICFG ps4-ll_unwindbound5.c [2025-02-06 14:23:33,079 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:23:33,080 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps4-ll_unwindbound5.c that has 2 procedures, 142 locations, 1 initial locations, 1 loop locations, and 62 error locations. [2025-02-06 14:23:33,110 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:23:33,118 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;@6cc530f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:23:33,118 INFO L334 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2025-02-06 14:23:33,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 75 states have (on average 1.88) internal successors, (141), 137 states have internal predecessors, (141), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:23:33,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-06 14:23:33,124 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:33,124 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-06 14:23:33,124 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:33,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:33,127 INFO L85 PathProgramCache]: Analyzing trace with hash 5139871, now seen corresponding path program 1 times [2025-02-06 14:23:33,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:33,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177249095] [2025-02-06 14:23:33,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:33,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:33,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 14:23:33,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 14:23:33,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:33,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:33,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:33,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:33,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177249095] [2025-02-06 14:23:33,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177249095] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:33,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:33,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:23:33,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086982352] [2025-02-06 14:23:33,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:33,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:23:33,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:33,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:23:33,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:23:33,301 INFO L87 Difference]: Start difference. First operand has 142 states, 75 states have (on average 1.88) internal successors, (141), 137 states have internal predecessors, (141), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:33,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:33,363 INFO L93 Difference]: Finished difference Result 275 states and 302 transitions. [2025-02-06 14:23:33,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:23:33,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-02-06 14:23:33,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:33,369 INFO L225 Difference]: With dead ends: 275 [2025-02-06 14:23:33,369 INFO L226 Difference]: Without dead ends: 129 [2025-02-06 14:23:33,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:23:33,374 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 4 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:33,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 384 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:23:33,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2025-02-06 14:23:33,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2025-02-06 14:23:33,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 74 states have (on average 1.7162162162162162) internal successors, (127), 125 states have internal predecessors, (127), 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) [2025-02-06 14:23:33,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 131 transitions. [2025-02-06 14:23:33,409 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 131 transitions. Word has length 4 [2025-02-06 14:23:33,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:33,410 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 131 transitions. [2025-02-06 14:23:33,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:33,410 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 131 transitions. [2025-02-06 14:23:33,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 14:23:33,410 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:33,410 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:33,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 14:23:33,411 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:33,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:33,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1496826461, now seen corresponding path program 1 times [2025-02-06 14:23:33,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:33,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21991256] [2025-02-06 14:23:33,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:33,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:33,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 14:23:33,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 14:23:33,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:33,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:33,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:33,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:33,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21991256] [2025-02-06 14:23:33,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21991256] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:33,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:33,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:23:33,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740485545] [2025-02-06 14:23:33,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:33,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:23:33,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:33,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:23:33,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:23:33,463 INFO L87 Difference]: Start difference. First operand 129 states and 131 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:33,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:33,564 INFO L93 Difference]: Finished difference Result 234 states and 246 transitions. [2025-02-06 14:23:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:23:33,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-06 14:23:33,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:33,565 INFO L225 Difference]: With dead ends: 234 [2025-02-06 14:23:33,565 INFO L226 Difference]: Without dead ends: 223 [2025-02-06 14:23:33,566 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 [2025-02-06 14:23:33,566 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 92 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:33,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 193 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:23:33,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2025-02-06 14:23:33,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 181. [2025-02-06 14:23:33,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 124 states have (on average 1.6774193548387097) internal successors, (208), 175 states have internal predecessors, (208), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:23:33,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2025-02-06 14:23:33,574 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 7 [2025-02-06 14:23:33,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:33,574 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2025-02-06 14:23:33,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:33,574 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2025-02-06 14:23:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-06 14:23:33,574 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:33,574 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:33,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 14:23:33,575 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:33,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:33,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1606539303, now seen corresponding path program 1 times [2025-02-06 14:23:33,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:33,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801558765] [2025-02-06 14:23:33,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:33,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:33,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 14:23:33,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 14:23:33,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:33,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:33,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [423958403] [2025-02-06 14:23:33,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:33,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:33,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:33,587 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) [2025-02-06 14:23:33,588 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 [2025-02-06 14:23:33,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 14:23:33,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 14:23:33,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:33,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:33,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:23:33,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:33,643 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:23:33,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:33,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801558765] [2025-02-06 14:23:33,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:33,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423958403] [2025-02-06 14:23:33,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423958403] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:33,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:33,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:23:33,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919122439] [2025-02-06 14:23:33,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:33,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:23:33,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:33,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:23:33,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:23:33,647 INFO L87 Difference]: Start difference. First operand 181 states and 216 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:33,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:33,830 INFO L93 Difference]: Finished difference Result 214 states and 224 transitions. [2025-02-06 14:23:33,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:23:33,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-02-06 14:23:33,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:33,831 INFO L225 Difference]: With dead ends: 214 [2025-02-06 14:23:33,831 INFO L226 Difference]: Without dead ends: 187 [2025-02-06 14:23:33,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:23:33,832 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 52 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:33,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 104 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:23:33,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2025-02-06 14:23:33,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 185. [2025-02-06 14:23:33,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 128 states have (on average 1.4765625) internal successors, (189), 179 states have internal predecessors, (189), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:23:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 197 transitions. [2025-02-06 14:23:33,840 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 197 transitions. Word has length 10 [2025-02-06 14:23:33,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:33,841 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 197 transitions. [2025-02-06 14:23:33,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:33,841 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 197 transitions. [2025-02-06 14:23:33,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 14:23:33,841 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:33,841 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:33,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 14:23:34,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:34,042 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:34,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:34,043 INFO L85 PathProgramCache]: Analyzing trace with hash -624014949, now seen corresponding path program 1 times [2025-02-06 14:23:34,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:34,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324956302] [2025-02-06 14:23:34,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:34,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:34,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 14:23:34,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 14:23:34,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:34,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:34,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:34,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324956302] [2025-02-06 14:23:34,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324956302] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:34,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:34,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:23:34,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267337796] [2025-02-06 14:23:34,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:34,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:23:34,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:34,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:23:34,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:23:34,112 INFO L87 Difference]: Start difference. First operand 185 states and 197 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:34,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:34,222 INFO L93 Difference]: Finished difference Result 202 states and 208 transitions. [2025-02-06 14:23:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:23:34,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-02-06 14:23:34,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:34,223 INFO L225 Difference]: With dead ends: 202 [2025-02-06 14:23:34,223 INFO L226 Difference]: Without dead ends: 168 [2025-02-06 14:23:34,223 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 [2025-02-06 14:23:34,224 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 114 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:34,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 164 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:23:34,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2025-02-06 14:23:34,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 157. [2025-02-06 14:23:34,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 101 states have (on average 1.5445544554455446) internal successors, (156), 152 states have internal predecessors, (156), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:23:34,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 162 transitions. [2025-02-06 14:23:34,235 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 162 transitions. Word has length 15 [2025-02-06 14:23:34,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:34,235 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 162 transitions. [2025-02-06 14:23:34,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:34,235 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 162 transitions. [2025-02-06 14:23:34,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-06 14:23:34,236 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:34,236 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:34,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 14:23:34,236 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:34,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:34,241 INFO L85 PathProgramCache]: Analyzing trace with hash 72446130, now seen corresponding path program 1 times [2025-02-06 14:23:34,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:34,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527809447] [2025-02-06 14:23:34,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:34,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:34,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 14:23:34,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 14:23:34,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:34,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:34,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:34,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:34,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527809447] [2025-02-06 14:23:34,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527809447] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:34,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:34,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:23:34,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416314127] [2025-02-06 14:23:34,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:34,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:23:34,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:34,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:23:34,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:23:34,336 INFO L87 Difference]: Start difference. First operand 157 states and 162 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:34,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:34,347 INFO L93 Difference]: Finished difference Result 159 states and 162 transitions. [2025-02-06 14:23:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:23:34,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2025-02-06 14:23:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:34,348 INFO L225 Difference]: With dead ends: 159 [2025-02-06 14:23:34,348 INFO L226 Difference]: Without dead ends: 157 [2025-02-06 14:23:34,348 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 [2025-02-06 14:23:34,348 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:34,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 244 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:23:34,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2025-02-06 14:23:34,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2025-02-06 14:23:34,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 101 states have (on average 1.5247524752475248) internal successors, (154), 152 states have internal predecessors, (154), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:23:34,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 160 transitions. [2025-02-06 14:23:34,354 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 160 transitions. Word has length 35 [2025-02-06 14:23:34,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:34,354 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 160 transitions. [2025-02-06 14:23:34,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:34,355 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 160 transitions. [2025-02-06 14:23:34,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 14:23:34,355 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:34,355 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:34,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 14:23:34,355 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:34,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:34,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1467914873, now seen corresponding path program 1 times [2025-02-06 14:23:34,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:34,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238321579] [2025-02-06 14:23:34,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:34,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:34,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:23:34,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:23:34,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:34,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:34,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [461845271] [2025-02-06 14:23:34,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:34,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:34,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:34,369 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) [2025-02-06 14:23:34,371 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 [2025-02-06 14:23:34,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:23:34,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:23:34,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:34,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:34,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:23:34,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:34,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:34,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:23:34,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:34,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238321579] [2025-02-06 14:23:34,456 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:34,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461845271] [2025-02-06 14:23:34,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461845271] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:34,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:34,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:23:34,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272608829] [2025-02-06 14:23:34,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:34,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:23:34,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:34,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:23:34,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:23:34,457 INFO L87 Difference]: Start difference. First operand 157 states and 160 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:34,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:34,653 INFO L93 Difference]: Finished difference Result 258 states and 282 transitions. [2025-02-06 14:23:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:23:34,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2025-02-06 14:23:34,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:34,655 INFO L225 Difference]: With dead ends: 258 [2025-02-06 14:23:34,655 INFO L226 Difference]: Without dead ends: 232 [2025-02-06 14:23:34,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:23:34,655 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 72 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:34,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 124 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:23:34,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-02-06 14:23:34,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 222. [2025-02-06 14:23:34,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 164 states have (on average 1.4817073170731707) internal successors, (243), 215 states have internal predecessors, (243), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:34,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 253 transitions. [2025-02-06 14:23:34,662 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 253 transitions. Word has length 40 [2025-02-06 14:23:34,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:34,662 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 253 transitions. [2025-02-06 14:23:34,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:34,662 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 253 transitions. [2025-02-06 14:23:34,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 14:23:34,663 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:34,663 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:34,672 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 [2025-02-06 14:23:34,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:34,864 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:34,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:34,864 INFO L85 PathProgramCache]: Analyzing trace with hash -704989654, now seen corresponding path program 1 times [2025-02-06 14:23:34,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:34,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41148847] [2025-02-06 14:23:34,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:34,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:34,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:23:34,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:23:34,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:34,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:34,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:34,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:34,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41148847] [2025-02-06 14:23:34,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41148847] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:34,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:34,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:23:34,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034136767] [2025-02-06 14:23:34,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:34,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:23:34,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:34,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:23:34,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:23:34,953 INFO L87 Difference]: Start difference. First operand 222 states and 253 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:35,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:35,117 INFO L93 Difference]: Finished difference Result 223 states and 253 transitions. [2025-02-06 14:23:35,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:23:35,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2025-02-06 14:23:35,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:35,118 INFO L225 Difference]: With dead ends: 223 [2025-02-06 14:23:35,118 INFO L226 Difference]: Without dead ends: 222 [2025-02-06 14:23:35,119 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 [2025-02-06 14:23:35,119 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 33 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:35,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 208 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:23:35,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2025-02-06 14:23:35,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2025-02-06 14:23:35,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 164 states have (on average 1.475609756097561) internal successors, (242), 215 states have internal predecessors, (242), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:35,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 252 transitions. [2025-02-06 14:23:35,126 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 252 transitions. Word has length 43 [2025-02-06 14:23:35,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:35,126 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 252 transitions. [2025-02-06 14:23:35,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:35,127 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 252 transitions. [2025-02-06 14:23:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 14:23:35,127 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:35,127 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:35,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 14:23:35,127 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:35,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:35,128 INFO L85 PathProgramCache]: Analyzing trace with hash -379842763, now seen corresponding path program 1 times [2025-02-06 14:23:35,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:35,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584711828] [2025-02-06 14:23:35,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:35,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:35,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:23:35,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:23:35,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:35,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:35,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:35,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:35,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584711828] [2025-02-06 14:23:35,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584711828] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:35,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:35,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:23:35,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205494673] [2025-02-06 14:23:35,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:35,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:23:35,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:35,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:23:35,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:23:35,184 INFO L87 Difference]: Start difference. First operand 222 states and 252 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:35,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:35,239 INFO L93 Difference]: Finished difference Result 223 states and 252 transitions. [2025-02-06 14:23:35,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:23:35,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2025-02-06 14:23:35,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:35,240 INFO L225 Difference]: With dead ends: 223 [2025-02-06 14:23:35,240 INFO L226 Difference]: Without dead ends: 222 [2025-02-06 14:23:35,241 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 [2025-02-06 14:23:35,241 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 30 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:35,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 192 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:23:35,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2025-02-06 14:23:35,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2025-02-06 14:23:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 164 states have (on average 1.4695121951219512) internal successors, (241), 215 states have internal predecessors, (241), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 251 transitions. [2025-02-06 14:23:35,246 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 251 transitions. Word has length 44 [2025-02-06 14:23:35,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:35,246 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 251 transitions. [2025-02-06 14:23:35,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:35,247 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 251 transitions. [2025-02-06 14:23:35,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 14:23:35,247 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:35,247 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:35,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 14:23:35,248 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:35,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:35,248 INFO L85 PathProgramCache]: Analyzing trace with hash 43328243, now seen corresponding path program 1 times [2025-02-06 14:23:35,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:35,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531939041] [2025-02-06 14:23:35,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:35,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:35,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:23:35,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:23:35,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:35,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:35,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:35,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:35,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531939041] [2025-02-06 14:23:35,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531939041] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:23:35,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508305837] [2025-02-06 14:23:35,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:35,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:35,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:35,364 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) [2025-02-06 14:23:35,365 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 [2025-02-06 14:23:35,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:23:35,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:23:35,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:35,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:35,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:23:35,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:35,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:35,497 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:23:35,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508305837] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:35,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:23:35,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-06 14:23:35,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949467181] [2025-02-06 14:23:35,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:35,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:23:35,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:35,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:23:35,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:23:35,498 INFO L87 Difference]: Start difference. First operand 222 states and 251 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:35,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:35,516 INFO L93 Difference]: Finished difference Result 222 states and 251 transitions. [2025-02-06 14:23:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:23:35,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2025-02-06 14:23:35,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:35,517 INFO L225 Difference]: With dead ends: 222 [2025-02-06 14:23:35,517 INFO L226 Difference]: Without dead ends: 221 [2025-02-06 14:23:35,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:23:35,518 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 88 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:35,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 239 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:23:35,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-02-06 14:23:35,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2025-02-06 14:23:35,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4573170731707317) internal successors, (239), 214 states have internal predecessors, (239), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 249 transitions. [2025-02-06 14:23:35,522 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 249 transitions. Word has length 46 [2025-02-06 14:23:35,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:35,523 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 249 transitions. [2025-02-06 14:23:35,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 249 transitions. [2025-02-06 14:23:35,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-06 14:23:35,524 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:35,524 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:35,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 14:23:35,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:35,724 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:35,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:35,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1343175633, now seen corresponding path program 1 times [2025-02-06 14:23:35,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:35,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841681989] [2025-02-06 14:23:35,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:35,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:35,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:23:35,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:23:35,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:35,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:35,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:35,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841681989] [2025-02-06 14:23:35,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841681989] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:23:35,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667001586] [2025-02-06 14:23:35,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:35,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:35,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:35,797 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) [2025-02-06 14:23:35,798 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 [2025-02-06 14:23:35,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:23:35,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:23:35,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:35,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:35,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:23:35,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:35,881 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:23:35,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667001586] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:35,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:23:35,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-06 14:23:35,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279837202] [2025-02-06 14:23:35,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:35,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:23:35,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:35,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:23:35,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:23:35,883 INFO L87 Difference]: Start difference. First operand 221 states and 249 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:35,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:35,918 INFO L93 Difference]: Finished difference Result 304 states and 342 transitions. [2025-02-06 14:23:35,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:23:35,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2025-02-06 14:23:35,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:35,920 INFO L225 Difference]: With dead ends: 304 [2025-02-06 14:23:35,920 INFO L226 Difference]: Without dead ends: 303 [2025-02-06 14:23:35,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:23:35,920 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 85 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:35,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 564 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:23:35,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2025-02-06 14:23:35,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 238. [2025-02-06 14:23:35,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 179 states have (on average 1.458100558659218) internal successors, (261), 230 states have internal predecessors, (261), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:23:35,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 275 transitions. [2025-02-06 14:23:35,926 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 275 transitions. Word has length 47 [2025-02-06 14:23:35,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:35,927 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 275 transitions. [2025-02-06 14:23:35,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:35,927 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 275 transitions. [2025-02-06 14:23:35,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-06 14:23:35,927 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:35,927 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:35,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 14:23:36,128 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,SelfDestructingSolverStorable9 [2025-02-06 14:23:36,128 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:36,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:36,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1993369649, now seen corresponding path program 1 times [2025-02-06 14:23:36,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:36,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459799943] [2025-02-06 14:23:36,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:36,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:36,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 14:23:36,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 14:23:36,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:36,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:36,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1978990968] [2025-02-06 14:23:36,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:36,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:36,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:36,144 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) [2025-02-06 14:23:36,145 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 [2025-02-06 14:23:36,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 14:23:36,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 14:23:36,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:36,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:36,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:23:36,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:36,299 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:36,299 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:36,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:36,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:36,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459799943] [2025-02-06 14:23:36,413 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:36,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978990968] [2025-02-06 14:23:36,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978990968] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 14:23:36,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:23:36,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2025-02-06 14:23:36,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658439979] [2025-02-06 14:23:36,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:36,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:23:36,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:36,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:23:36,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:23:36,415 INFO L87 Difference]: Start difference. First operand 238 states and 275 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:36,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:36,852 INFO L93 Difference]: Finished difference Result 280 states and 340 transitions. [2025-02-06 14:23:36,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:23:36,852 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2025-02-06 14:23:36,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:36,854 INFO L225 Difference]: With dead ends: 280 [2025-02-06 14:23:36,854 INFO L226 Difference]: Without dead ends: 277 [2025-02-06 14:23:36,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:23:36,854 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 243 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:36,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 136 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:23:36,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-02-06 14:23:36,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 235. [2025-02-06 14:23:36,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 179 states have (on average 1.4301675977653632) internal successors, (256), 227 states have internal predecessors, (256), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:23:36,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 270 transitions. [2025-02-06 14:23:36,861 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 270 transitions. Word has length 49 [2025-02-06 14:23:36,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:36,861 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 270 transitions. [2025-02-06 14:23:36,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:36,861 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 270 transitions. [2025-02-06 14:23:36,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-06 14:23:36,862 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:36,862 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:36,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 14:23:37,062 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,SelfDestructingSolverStorable10 [2025-02-06 14:23:37,063 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:37,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:37,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1993369685, now seen corresponding path program 1 times [2025-02-06 14:23:37,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:37,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73134184] [2025-02-06 14:23:37,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:37,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:37,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 14:23:37,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 14:23:37,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:37,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:37,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:37,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:37,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73134184] [2025-02-06 14:23:37,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73134184] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:23:37,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319879096] [2025-02-06 14:23:37,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:37,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:37,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:37,150 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) [2025-02-06 14:23:37,154 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 [2025-02-06 14:23:37,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 14:23:37,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 14:23:37,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:37,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:37,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:23:37,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:37,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:37,252 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:37,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:37,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319879096] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:23:37,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:23:37,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2025-02-06 14:23:37,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731302346] [2025-02-06 14:23:37,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:23:37,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:23:37,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:37,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:23:37,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:23:37,323 INFO L87 Difference]: Start difference. First operand 235 states and 270 transitions. Second operand has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:23:37,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:37,421 INFO L93 Difference]: Finished difference Result 472 states and 493 transitions. [2025-02-06 14:23:37,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 14:23:37,422 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2025-02-06 14:23:37,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:37,424 INFO L225 Difference]: With dead ends: 472 [2025-02-06 14:23:37,424 INFO L226 Difference]: Without dead ends: 390 [2025-02-06 14:23:37,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-02-06 14:23:37,425 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 188 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:37,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 922 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:23:37,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-02-06 14:23:37,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 295. [2025-02-06 14:23:37,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 235 states have (on average 1.4553191489361703) internal successors, (342), 283 states have internal predecessors, (342), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:23:37,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 358 transitions. [2025-02-06 14:23:37,440 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 358 transitions. Word has length 49 [2025-02-06 14:23:37,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:37,440 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 358 transitions. [2025-02-06 14:23:37,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:23:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 358 transitions. [2025-02-06 14:23:37,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 14:23:37,441 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:37,441 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:37,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 14:23:37,642 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,SelfDestructingSolverStorable11 [2025-02-06 14:23:37,642 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:37,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:37,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1664916881, now seen corresponding path program 1 times [2025-02-06 14:23:37,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:37,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683722072] [2025-02-06 14:23:37,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:37,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:37,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 14:23:37,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 14:23:37,653 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:37,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:37,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1542228199] [2025-02-06 14:23:37,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:37,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:37,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:37,656 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) [2025-02-06 14:23:37,659 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 [2025-02-06 14:23:37,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 14:23:37,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 14:23:37,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:37,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:37,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:23:37,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:37,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:37,798 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:37,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:37,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:37,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683722072] [2025-02-06 14:23:37,894 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:37,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542228199] [2025-02-06 14:23:37,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542228199] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:23:37,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:23:37,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-06 14:23:37,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36133131] [2025-02-06 14:23:37,895 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:23:37,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:23:37,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:37,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:23:37,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:23:37,896 INFO L87 Difference]: Start difference. First operand 295 states and 358 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 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) [2025-02-06 14:23:38,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:38,329 INFO L93 Difference]: Finished difference Result 316 states and 364 transitions. [2025-02-06 14:23:38,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:23:38,329 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 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) Word has length 50 [2025-02-06 14:23:38,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:38,330 INFO L225 Difference]: With dead ends: 316 [2025-02-06 14:23:38,330 INFO L226 Difference]: Without dead ends: 304 [2025-02-06 14:23:38,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:23:38,331 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 234 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:38,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 239 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:23:38,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2025-02-06 14:23:38,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 290. [2025-02-06 14:23:38,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 236 states have (on average 1.3728813559322033) internal successors, (324), 277 states have internal predecessors, (324), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:23:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 340 transitions. [2025-02-06 14:23:38,346 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 340 transitions. Word has length 50 [2025-02-06 14:23:38,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:38,346 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 340 transitions. [2025-02-06 14:23:38,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 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) [2025-02-06 14:23:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 340 transitions. [2025-02-06 14:23:38,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-02-06 14:23:38,347 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:38,347 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:38,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 14:23:38,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:38,551 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:38,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:38,554 INFO L85 PathProgramCache]: Analyzing trace with hash -251742265, now seen corresponding path program 1 times [2025-02-06 14:23:38,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:38,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426826100] [2025-02-06 14:23:38,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:38,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:38,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-06 14:23:38,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-06 14:23:38,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:38,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:38,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [817715515] [2025-02-06 14:23:38,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:38,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:38,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:38,579 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) [2025-02-06 14:23:38,580 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 [2025-02-06 14:23:38,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-06 14:23:38,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-06 14:23:38,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:38,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:38,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:23:38,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:38,821 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:38,821 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:23:38,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:38,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426826100] [2025-02-06 14:23:38,821 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:38,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817715515] [2025-02-06 14:23:38,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817715515] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:38,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:38,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 14:23:38,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182004967] [2025-02-06 14:23:38,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:38,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:23:38,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:38,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:23:38,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:23:38,822 INFO L87 Difference]: Start difference. First operand 290 states and 340 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:38,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:38,983 INFO L93 Difference]: Finished difference Result 300 states and 350 transitions. [2025-02-06 14:23:38,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:23:38,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2025-02-06 14:23:38,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:38,984 INFO L225 Difference]: With dead ends: 300 [2025-02-06 14:23:38,985 INFO L226 Difference]: Without dead ends: 229 [2025-02-06 14:23:38,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:23:38,986 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 150 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:38,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 49 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:23:38,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2025-02-06 14:23:38,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 217. [2025-02-06 14:23:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 189 states have (on average 1.1851851851851851) internal successors, (224), 206 states have internal predecessors, (224), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 234 transitions. [2025-02-06 14:23:38,993 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 234 transitions. Word has length 57 [2025-02-06 14:23:38,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:38,993 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 234 transitions. [2025-02-06 14:23:38,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:38,993 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 234 transitions. [2025-02-06 14:23:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-06 14:23:38,994 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:38,994 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:38,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 14:23:39,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:39,195 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:39,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:39,195 INFO L85 PathProgramCache]: Analyzing trace with hash 105451691, now seen corresponding path program 1 times [2025-02-06 14:23:39,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:39,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276724505] [2025-02-06 14:23:39,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:39,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:39,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-06 14:23:39,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 14:23:39,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:39,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:39,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [98635008] [2025-02-06 14:23:39,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:39,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:39,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:39,212 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) [2025-02-06 14:23:39,213 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 [2025-02-06 14:23:39,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-06 14:23:39,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 14:23:39,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:39,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:39,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:23:39,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:39,423 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:23:39,423 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:39,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:39,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276724505] [2025-02-06 14:23:39,559 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:39,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98635008] [2025-02-06 14:23:39,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98635008] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:23:39,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:23:39,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 14:23:39,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358895763] [2025-02-06 14:23:39,559 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:23:39,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:23:39,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:39,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:23:39,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:23:39,560 INFO L87 Difference]: Start difference. First operand 217 states and 234 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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) [2025-02-06 14:23:39,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:39,675 INFO L93 Difference]: Finished difference Result 217 states and 234 transitions. [2025-02-06 14:23:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:23:39,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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) Word has length 77 [2025-02-06 14:23:39,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:39,676 INFO L225 Difference]: With dead ends: 217 [2025-02-06 14:23:39,676 INFO L226 Difference]: Without dead ends: 215 [2025-02-06 14:23:39,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:23:39,678 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 63 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:39,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 48 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:23:39,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-02-06 14:23:39,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2025-02-06 14:23:39,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 189 states have (on average 1.1587301587301588) internal successors, (219), 204 states have internal predecessors, (219), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:39,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 229 transitions. [2025-02-06 14:23:39,684 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 229 transitions. Word has length 77 [2025-02-06 14:23:39,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:39,684 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 229 transitions. [2025-02-06 14:23:39,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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) [2025-02-06 14:23:39,685 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 229 transitions. [2025-02-06 14:23:39,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-02-06 14:23:39,685 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:39,685 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:39,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-06 14:23:39,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:39,886 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:39,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:39,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1025964848, now seen corresponding path program 1 times [2025-02-06 14:23:39,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:39,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123114258] [2025-02-06 14:23:39,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:39,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:39,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-06 14:23:39,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-06 14:23:39,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:39,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:39,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1599871025] [2025-02-06 14:23:39,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:39,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:39,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:39,904 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) [2025-02-06 14:23:39,905 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 [2025-02-06 14:23:39,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-06 14:23:39,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-06 14:23:39,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:39,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:39,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 14:23:39,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:40,102 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:23:40,102 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:40,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:40,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123114258] [2025-02-06 14:23:40,162 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:40,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599871025] [2025-02-06 14:23:40,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599871025] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:23:40,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:23:40,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:23:40,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722478619] [2025-02-06 14:23:40,163 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:23:40,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:23:40,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:40,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:23:40,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:23:40,163 INFO L87 Difference]: Start difference. First operand 215 states and 229 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 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) [2025-02-06 14:23:40,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:40,335 INFO L93 Difference]: Finished difference Result 224 states and 237 transitions. [2025-02-06 14:23:40,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:23:40,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 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) Word has length 78 [2025-02-06 14:23:40,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:40,336 INFO L225 Difference]: With dead ends: 224 [2025-02-06 14:23:40,336 INFO L226 Difference]: Without dead ends: 220 [2025-02-06 14:23:40,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:23:40,337 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 6 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:40,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 130 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:23:40,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2025-02-06 14:23:40,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2025-02-06 14:23:40,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 194 states have (on average 1.1494845360824741) internal successors, (223), 209 states have internal predecessors, (223), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:40,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 233 transitions. [2025-02-06 14:23:40,342 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 233 transitions. Word has length 78 [2025-02-06 14:23:40,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:40,342 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 233 transitions. [2025-02-06 14:23:40,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 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) [2025-02-06 14:23:40,342 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 233 transitions. [2025-02-06 14:23:40,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-06 14:23:40,343 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:40,343 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:40,348 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 [2025-02-06 14:23:40,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-06 14:23:40,547 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:40,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:40,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1531483673, now seen corresponding path program 1 times [2025-02-06 14:23:40,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:40,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676837393] [2025-02-06 14:23:40,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:40,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:40,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 14:23:40,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 14:23:40,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:40,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:40,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2035025444] [2025-02-06 14:23:40,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:40,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:40,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:40,562 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) [2025-02-06 14:23:40,563 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 [2025-02-06 14:23:40,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 14:23:40,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 14:23:40,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:40,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:40,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 14:23:40,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:40,740 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:23:40,740 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:40,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:40,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676837393] [2025-02-06 14:23:40,861 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:40,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035025444] [2025-02-06 14:23:40,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035025444] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:23:40,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:23:40,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 14:23:40,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429147001] [2025-02-06 14:23:40,862 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:23:40,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:23:40,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:40,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:23:40,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:23:40,863 INFO L87 Difference]: Start difference. First operand 220 states and 233 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 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) [2025-02-06 14:23:41,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:41,008 INFO L93 Difference]: Finished difference Result 221 states and 233 transitions. [2025-02-06 14:23:41,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:23:41,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 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) Word has length 81 [2025-02-06 14:23:41,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:41,010 INFO L225 Difference]: With dead ends: 221 [2025-02-06 14:23:41,010 INFO L226 Difference]: Without dead ends: 215 [2025-02-06 14:23:41,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:23:41,010 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 6 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:41,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 118 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:23:41,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-02-06 14:23:41,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2025-02-06 14:23:41,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 189 states have (on average 1.1481481481481481) internal successors, (217), 204 states have internal predecessors, (217), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:41,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 227 transitions. [2025-02-06 14:23:41,017 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 227 transitions. Word has length 81 [2025-02-06 14:23:41,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:41,017 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 227 transitions. [2025-02-06 14:23:41,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 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) [2025-02-06 14:23:41,017 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 227 transitions. [2025-02-06 14:23:41,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-06 14:23:41,018 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:41,018 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:41,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-06 14:23:41,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-06 14:23:41,219 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:41,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:41,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1247819213, now seen corresponding path program 1 times [2025-02-06 14:23:41,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:41,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042586438] [2025-02-06 14:23:41,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:41,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:41,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 14:23:41,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 14:23:41,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:41,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:41,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [849559730] [2025-02-06 14:23:41,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:41,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:41,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:41,236 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) [2025-02-06 14:23:41,237 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 [2025-02-06 14:23:41,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 14:23:41,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 14:23:41,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:41,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:41,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:23:41,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:41,344 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:23:41,344 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:41,469 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:23:41,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:41,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042586438] [2025-02-06 14:23:41,470 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:41,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849559730] [2025-02-06 14:23:41,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849559730] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:23:41,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:23:41,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-06 14:23:41,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880983611] [2025-02-06 14:23:41,470 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:23:41,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:23:41,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:41,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:23:41,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:23:41,472 INFO L87 Difference]: Start difference. First operand 215 states and 227 transitions. Second operand has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:23:41,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:41,667 INFO L93 Difference]: Finished difference Result 224 states and 235 transitions. [2025-02-06 14:23:41,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:23:41,667 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 82 [2025-02-06 14:23:41,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:41,668 INFO L225 Difference]: With dead ends: 224 [2025-02-06 14:23:41,668 INFO L226 Difference]: Without dead ends: 218 [2025-02-06 14:23:41,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:23:41,669 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 140 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:41,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 154 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:23:41,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-02-06 14:23:41,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 211. [2025-02-06 14:23:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 189 states have (on average 1.1005291005291005) internal successors, (208), 200 states have internal predecessors, (208), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 218 transitions. [2025-02-06 14:23:41,675 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 218 transitions. Word has length 82 [2025-02-06 14:23:41,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:41,676 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 218 transitions. [2025-02-06 14:23:41,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:23:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 218 transitions. [2025-02-06 14:23:41,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-06 14:23:41,676 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:41,676 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 14:23:41,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-06 14:23:41,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-06 14:23:41,881 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:41,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:41,882 INFO L85 PathProgramCache]: Analyzing trace with hash 251625764, now seen corresponding path program 2 times [2025-02-06 14:23:41,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:41,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465035099] [2025-02-06 14:23:41,882 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:23:41,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:41,888 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 120 statements into 2 equivalence classes. [2025-02-06 14:23:41,900 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 14:23:41,901 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:23:41,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:41,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1776853472] [2025-02-06 14:23:41,902 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:23:41,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:41,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:41,904 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) [2025-02-06 14:23:41,905 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 [2025-02-06 14:23:41,923 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 120 statements into 2 equivalence classes. [2025-02-06 14:23:41,930 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 36 of 120 statements. [2025-02-06 14:23:41,930 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 14:23:41,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:41,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:23:41,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:42,192 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2025-02-06 14:23:42,192 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:23:42,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:42,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465035099] [2025-02-06 14:23:42,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:42,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776853472] [2025-02-06 14:23:42,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776853472] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:42,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:42,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:23:42,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408849146] [2025-02-06 14:23:42,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:42,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:23:42,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:42,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:23:42,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:23:42,194 INFO L87 Difference]: Start difference. First operand 211 states and 218 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2025-02-06 14:23:42,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:42,267 INFO L93 Difference]: Finished difference Result 213 states and 218 transitions. [2025-02-06 14:23:42,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:23:42,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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) Word has length 120 [2025-02-06 14:23:42,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:42,268 INFO L225 Difference]: With dead ends: 213 [2025-02-06 14:23:42,268 INFO L226 Difference]: Without dead ends: 204 [2025-02-06 14:23:42,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:23:42,268 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 47 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:42,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 57 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:23:42,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2025-02-06 14:23:42,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2025-02-06 14:23:42,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 183 states have (on average 1.0765027322404372) internal successors, (197), 193 states have internal predecessors, (197), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:42,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 207 transitions. [2025-02-06 14:23:42,274 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 207 transitions. Word has length 120 [2025-02-06 14:23:42,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:42,274 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 207 transitions. [2025-02-06 14:23:42,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2025-02-06 14:23:42,275 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 207 transitions. [2025-02-06 14:23:42,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-06 14:23:42,275 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:42,275 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-02-06 14:23:42,281 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 [2025-02-06 14:23:42,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:42,476 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:42,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:42,477 INFO L85 PathProgramCache]: Analyzing trace with hash 251627365, now seen corresponding path program 1 times [2025-02-06 14:23:42,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:42,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991771838] [2025-02-06 14:23:42,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:42,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:42,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 14:23:42,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 14:23:42,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:42,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:42,568 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2025-02-06 14:23:42,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:42,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991771838] [2025-02-06 14:23:42,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991771838] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:23:42,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565309886] [2025-02-06 14:23:42,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:42,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:42,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:42,571 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) [2025-02-06 14:23:42,576 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 [2025-02-06 14:23:42,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 14:23:42,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 14:23:42,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:42,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:42,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:23:42,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:42,712 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:23:42,713 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:42,835 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:23:42,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565309886] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:23:42,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:23:42,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2025-02-06 14:23:42,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162456237] [2025-02-06 14:23:42,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:23:42,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:23:42,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:42,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:23:42,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:23:42,838 INFO L87 Difference]: Start difference. First operand 204 states and 207 transitions. Second operand has 10 states, 9 states have (on average 28.11111111111111) internal successors, (253), 10 states have internal predecessors, (253), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:23:42,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:42,897 INFO L93 Difference]: Finished difference Result 233 states and 235 transitions. [2025-02-06 14:23:42,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:23:42,898 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 28.11111111111111) internal successors, (253), 10 states have internal predecessors, (253), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 120 [2025-02-06 14:23:42,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:42,898 INFO L225 Difference]: With dead ends: 233 [2025-02-06 14:23:42,899 INFO L226 Difference]: Without dead ends: 232 [2025-02-06 14:23:42,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=88, Invalid=122, Unknown=0, NotChecked=0, Total=210 [2025-02-06 14:23:42,899 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 98 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:42,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 269 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:23:42,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-02-06 14:23:42,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 203. [2025-02-06 14:23:42,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 183 states have (on average 1.0655737704918034) internal successors, (195), 192 states have internal predecessors, (195), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 205 transitions. [2025-02-06 14:23:42,906 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 205 transitions. Word has length 120 [2025-02-06 14:23:42,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:42,906 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 205 transitions. [2025-02-06 14:23:42,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 28.11111111111111) internal successors, (253), 10 states have internal predecessors, (253), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:23:42,907 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 205 transitions. [2025-02-06 14:23:42,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-02-06 14:23:42,907 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:42,907 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1] [2025-02-06 14:23:42,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-06 14:23:43,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:43,108 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:43,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:43,109 INFO L85 PathProgramCache]: Analyzing trace with hash 722397311, now seen corresponding path program 1 times [2025-02-06 14:23:43,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:43,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93965789] [2025-02-06 14:23:43,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:43,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:43,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-06 14:23:43,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-06 14:23:43,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:43,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:43,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1066004352] [2025-02-06 14:23:43,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:43,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:43,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:43,135 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) [2025-02-06 14:23:43,136 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 [2025-02-06 14:23:43,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-06 14:23:43,171 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-06 14:23:43,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:43,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:43,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:23:43,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:43,291 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:23:43,291 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:43,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:43,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93965789] [2025-02-06 14:23:43,337 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:43,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066004352] [2025-02-06 14:23:43,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066004352] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:23:43,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:23:43,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:23:43,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669397006] [2025-02-06 14:23:43,337 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:23:43,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:23:43,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:43,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:23:43,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:23:43,338 INFO L87 Difference]: Start difference. First operand 203 states and 205 transitions. Second operand has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:23:43,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:43,504 INFO L93 Difference]: Finished difference Result 234 states and 237 transitions. [2025-02-06 14:23:43,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:23:43,505 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 126 [2025-02-06 14:23:43,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:43,506 INFO L225 Difference]: With dead ends: 234 [2025-02-06 14:23:43,506 INFO L226 Difference]: Without dead ends: 232 [2025-02-06 14:23:43,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:23:43,506 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 34 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:43,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 114 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:23:43,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-02-06 14:23:43,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 209. [2025-02-06 14:23:43,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 189 states have (on average 1.0634920634920635) internal successors, (201), 198 states have internal predecessors, (201), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:43,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 211 transitions. [2025-02-06 14:23:43,512 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 211 transitions. Word has length 126 [2025-02-06 14:23:43,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:43,513 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 211 transitions. [2025-02-06 14:23:43,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:23:43,513 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 211 transitions. [2025-02-06 14:23:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-02-06 14:23:43,514 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:43,514 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2025-02-06 14:23:43,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-06 14:23:43,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:43,715 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:43,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:43,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1560885027, now seen corresponding path program 1 times [2025-02-06 14:23:43,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:43,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694108417] [2025-02-06 14:23:43,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:43,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:43,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-02-06 14:23:43,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-02-06 14:23:43,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:43,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:43,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1910678331] [2025-02-06 14:23:43,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:43,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:43,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:43,739 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) [2025-02-06 14:23:43,741 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 [2025-02-06 14:23:43,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-02-06 14:23:43,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-02-06 14:23:43,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:43,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:43,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 14:23:43,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:44,069 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 3 proven. 117 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:23:44,070 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 3 proven. 117 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:23:44,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:44,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694108417] [2025-02-06 14:23:44,967 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:44,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910678331] [2025-02-06 14:23:44,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910678331] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:23:44,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:23:44,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2025-02-06 14:23:44,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810358552] [2025-02-06 14:23:44,967 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:23:44,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-06 14:23:44,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:44,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-06 14:23:44,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2025-02-06 14:23:44,968 INFO L87 Difference]: Start difference. First operand 209 states and 211 transitions. Second operand has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 19 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:23:46,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:46,691 INFO L93 Difference]: Finished difference Result 226 states and 230 transitions. [2025-02-06 14:23:46,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-06 14:23:46,692 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 19 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 128 [2025-02-06 14:23:46,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:46,697 INFO L225 Difference]: With dead ends: 226 [2025-02-06 14:23:46,697 INFO L226 Difference]: Without dead ends: 225 [2025-02-06 14:23:46,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2025-02-06 14:23:46,699 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 168 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:46,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 248 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-02-06 14:23:46,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2025-02-06 14:23:46,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 208. [2025-02-06 14:23:46,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 189 states have (on average 1.052910052910053) internal successors, (199), 197 states have internal predecessors, (199), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:46,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 209 transitions. [2025-02-06 14:23:46,710 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 209 transitions. Word has length 128 [2025-02-06 14:23:46,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:46,710 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 209 transitions. [2025-02-06 14:23:46,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 19 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:23:46,710 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2025-02-06 14:23:46,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-06 14:23:46,711 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:46,711 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2025-02-06 14:23:46,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-06 14:23:46,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:46,912 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:46,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:46,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1388723735, now seen corresponding path program 2 times [2025-02-06 14:23:46,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:46,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221829881] [2025-02-06 14:23:46,912 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:23:46,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:46,919 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 134 statements into 2 equivalence classes. [2025-02-06 14:23:46,931 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-02-06 14:23:46,932 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:23:46,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:46,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1929389987] [2025-02-06 14:23:46,933 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:23:46,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:46,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:46,938 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) [2025-02-06 14:23:46,940 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 [2025-02-06 14:23:46,964 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 134 statements into 2 equivalence classes. [2025-02-06 14:23:46,982 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-02-06 14:23:46,982 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:23:46,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:46,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 14:23:46,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:47,235 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:23:47,235 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:47,474 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:23:47,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:47,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221829881] [2025-02-06 14:23:47,474 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:47,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929389987] [2025-02-06 14:23:47,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929389987] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:23:47,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:23:47,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-06 14:23:47,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375724162] [2025-02-06 14:23:47,474 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:23:47,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 14:23:47,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:47,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 14:23:47,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:23:47,476 INFO L87 Difference]: Start difference. First operand 208 states and 209 transitions. Second operand has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:23:48,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:48,113 INFO L93 Difference]: Finished difference Result 363 states and 389 transitions. [2025-02-06 14:23:48,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-06 14:23:48,114 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 134 [2025-02-06 14:23:48,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:48,115 INFO L225 Difference]: With dead ends: 363 [2025-02-06 14:23:48,115 INFO L226 Difference]: Without dead ends: 360 [2025-02-06 14:23:48,115 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2025-02-06 14:23:48,116 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 319 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:48,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 289 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:23:48,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2025-02-06 14:23:48,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 327. [2025-02-06 14:23:48,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 304 states have (on average 1.069078947368421) internal successors, (325), 312 states have internal predecessors, (325), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:23:48,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 343 transitions. [2025-02-06 14:23:48,127 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 343 transitions. Word has length 134 [2025-02-06 14:23:48,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:48,127 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 343 transitions. [2025-02-06 14:23:48,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:23:48,127 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 343 transitions. [2025-02-06 14:23:48,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-02-06 14:23:48,128 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:48,128 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2025-02-06 14:23:48,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-06 14:23:48,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:48,329 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:48,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:48,329 INFO L85 PathProgramCache]: Analyzing trace with hash -882214063, now seen corresponding path program 1 times [2025-02-06 14:23:48,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:48,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018978756] [2025-02-06 14:23:48,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:48,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:48,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-02-06 14:23:48,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-02-06 14:23:48,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:48,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:48,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1029680026] [2025-02-06 14:23:48,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:48,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:48,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:48,348 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) [2025-02-06 14:23:48,349 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 [2025-02-06 14:23:48,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-02-06 14:23:48,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-02-06 14:23:48,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:48,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:48,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:23:48,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:48,497 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:23:48,498 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:48,767 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:23:48,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:48,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018978756] [2025-02-06 14:23:48,767 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:48,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029680026] [2025-02-06 14:23:48,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029680026] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:23:48,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:23:48,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-06 14:23:48,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979310944] [2025-02-06 14:23:48,767 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:23:48,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:23:48,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:48,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:23:48,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:23:48,768 INFO L87 Difference]: Start difference. First operand 327 states and 343 transitions. Second operand has 10 states, 9 states have (on average 28.0) internal successors, (252), 10 states have internal predecessors, (252), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:23:49,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:49,312 INFO L93 Difference]: Finished difference Result 429 states and 460 transitions. [2025-02-06 14:23:49,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:23:49,312 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 28.0) internal successors, (252), 10 states have internal predecessors, (252), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 140 [2025-02-06 14:23:49,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:49,313 INFO L225 Difference]: With dead ends: 429 [2025-02-06 14:23:49,314 INFO L226 Difference]: Without dead ends: 388 [2025-02-06 14:23:49,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:23:49,314 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 243 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:49,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 271 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:23:49,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2025-02-06 14:23:49,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 376. [2025-02-06 14:23:49,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 352 states have (on average 1.0482954545454546) internal successors, (369), 360 states have internal predecessors, (369), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:23:49,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 389 transitions. [2025-02-06 14:23:49,327 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 389 transitions. Word has length 140 [2025-02-06 14:23:49,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:49,327 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 389 transitions. [2025-02-06 14:23:49,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 28.0) internal successors, (252), 10 states have internal predecessors, (252), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:23:49,328 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 389 transitions. [2025-02-06 14:23:49,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-02-06 14:23:49,328 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:49,329 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2025-02-06 14:23:49,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-06 14:23:49,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-02-06 14:23:49,531 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:49,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:49,531 INFO L85 PathProgramCache]: Analyzing trace with hash -35935796, now seen corresponding path program 1 times [2025-02-06 14:23:49,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:49,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844362199] [2025-02-06 14:23:49,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:49,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:49,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-02-06 14:23:49,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-02-06 14:23:49,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:49,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:23:49,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:49,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844362199] [2025-02-06 14:23:49,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844362199] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:23:49,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520211608] [2025-02-06 14:23:49,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:49,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:49,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:49,756 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) [2025-02-06 14:23:49,757 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 [2025-02-06 14:23:49,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-02-06 14:23:49,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-02-06 14:23:49,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:49,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:49,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:23:49,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:49,970 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:49,970 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:50,178 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:23:50,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520211608] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:23:50,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:23:50,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 15 [2025-02-06 14:23:50,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204901291] [2025-02-06 14:23:50,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:23:50,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 14:23:50,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:50,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 14:23:50,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2025-02-06 14:23:50,180 INFO L87 Difference]: Start difference. First operand 376 states and 389 transitions. Second operand has 15 states, 15 states have (on average 11.8) internal successors, (177), 15 states have internal predecessors, (177), 4 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-06 14:23:50,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:50,290 INFO L93 Difference]: Finished difference Result 387 states and 398 transitions. [2025-02-06 14:23:50,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-06 14:23:50,291 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.8) internal successors, (177), 15 states have internal predecessors, (177), 4 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 176 [2025-02-06 14:23:50,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:50,292 INFO L225 Difference]: With dead ends: 387 [2025-02-06 14:23:50,292 INFO L226 Difference]: Without dead ends: 380 [2025-02-06 14:23:50,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 340 SyntacticMatches, 10 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=340, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:23:50,292 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 19 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:50,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 635 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:23:50,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2025-02-06 14:23:50,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2025-02-06 14:23:50,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 355 states have (on average 1.0450704225352112) internal successors, (371), 363 states have internal predecessors, (371), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:23:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 391 transitions. [2025-02-06 14:23:50,312 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 391 transitions. Word has length 176 [2025-02-06 14:23:50,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:50,312 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 391 transitions. [2025-02-06 14:23:50,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.8) internal successors, (177), 15 states have internal predecessors, (177), 4 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-06 14:23:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 391 transitions. [2025-02-06 14:23:50,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2025-02-06 14:23:50,314 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:50,315 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1] [2025-02-06 14:23:50,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-06 14:23:50,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:50,516 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:50,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:50,516 INFO L85 PathProgramCache]: Analyzing trace with hash -660770528, now seen corresponding path program 2 times [2025-02-06 14:23:50,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:50,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022490336] [2025-02-06 14:23:50,516 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:23:50,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:50,529 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 218 statements into 2 equivalence classes. [2025-02-06 14:23:50,556 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 218 of 218 statements. [2025-02-06 14:23:50,560 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:23:50,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:50,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1299925321] [2025-02-06 14:23:50,561 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:23:50,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:50,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:50,566 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) [2025-02-06 14:23:50,569 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 [2025-02-06 14:23:50,594 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 218 statements into 2 equivalence classes. [2025-02-06 14:23:50,637 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 218 of 218 statements. [2025-02-06 14:23:50,637 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:23:50,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:50,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 14:23:50,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 14:23:51,046 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:51,720 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 14:23:51,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:51,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022490336] [2025-02-06 14:23:51,721 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:51,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299925321] [2025-02-06 14:23:51,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299925321] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:23:51,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:23:51,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-06 14:23:51,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001408943] [2025-02-06 14:23:51,721 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:23:51,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:23:51,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:51,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:23:51,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:23:51,722 INFO L87 Difference]: Start difference. First operand 380 states and 391 transitions. Second operand has 14 states, 13 states have (on average 29.846153846153847) internal successors, (388), 14 states have internal predecessors, (388), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:23:52,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:52,895 INFO L93 Difference]: Finished difference Result 614 states and 657 transitions. [2025-02-06 14:23:52,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 14:23:52,896 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 29.846153846153847) internal successors, (388), 14 states have internal predecessors, (388), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 218 [2025-02-06 14:23:52,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:52,897 INFO L225 Difference]: With dead ends: 614 [2025-02-06 14:23:52,897 INFO L226 Difference]: Without dead ends: 613 [2025-02-06 14:23:52,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=211, Unknown=0, NotChecked=0, Total=342 [2025-02-06 14:23:52,898 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 429 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:52,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 484 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-06 14:23:52,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2025-02-06 14:23:52,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 526. [2025-02-06 14:23:52,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 497 states have (on average 1.062374245472837) internal successors, (528), 505 states have internal predecessors, (528), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 14:23:52,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 556 transitions. [2025-02-06 14:23:52,934 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 556 transitions. Word has length 218 [2025-02-06 14:23:52,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:52,935 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 556 transitions. [2025-02-06 14:23:52,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 29.846153846153847) internal successors, (388), 14 states have internal predecessors, (388), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:23:52,935 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 556 transitions. [2025-02-06 14:23:52,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2025-02-06 14:23:52,936 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:52,936 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:52,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-06 14:23:53,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-02-06 14:23:53,137 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:53,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:53,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1179657321, now seen corresponding path program 1 times [2025-02-06 14:23:53,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:53,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072637875] [2025-02-06 14:23:53,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:53,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:53,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 221 statements into 1 equivalence classes. [2025-02-06 14:23:53,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 221 of 221 statements. [2025-02-06 14:23:53,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:53,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:53,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [124998351] [2025-02-06 14:23:53,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:53,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:53,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:53,161 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) [2025-02-06 14:23:53,161 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 [2025-02-06 14:23:53,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 221 statements into 1 equivalence classes. [2025-02-06 14:23:53,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 221 of 221 statements. [2025-02-06 14:23:53,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:53,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:53,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 14:23:53,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:53,758 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 14:23:53,758 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:54,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:54,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072637875] [2025-02-06 14:23:54,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:54,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124998351] [2025-02-06 14:23:54,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124998351] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:23:54,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:23:54,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:23:54,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435565834] [2025-02-06 14:23:54,166 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:23:54,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:23:54,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:54,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:23:54,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:23:54,167 INFO L87 Difference]: Start difference. First operand 526 states and 556 transitions. Second operand has 9 states, 8 states have (on average 24.875) internal successors, (199), 9 states have internal predecessors, (199), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:54,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:54,622 INFO L93 Difference]: Finished difference Result 532 states and 561 transitions. [2025-02-06 14:23:54,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:23:54,622 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 24.875) internal successors, (199), 9 states have internal predecessors, (199), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 221 [2025-02-06 14:23:54,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:54,624 INFO L225 Difference]: With dead ends: 532 [2025-02-06 14:23:54,624 INFO L226 Difference]: Without dead ends: 526 [2025-02-06 14:23:54,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:23:54,624 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 29 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:54,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 469 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:23:54,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2025-02-06 14:23:54,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2025-02-06 14:23:54,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 497 states have (on average 1.0603621730382293) internal successors, (527), 505 states have internal predecessors, (527), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 14:23:54,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 555 transitions. [2025-02-06 14:23:54,641 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 555 transitions. Word has length 221 [2025-02-06 14:23:54,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:54,642 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 555 transitions. [2025-02-06 14:23:54,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 24.875) internal successors, (199), 9 states have internal predecessors, (199), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:54,642 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 555 transitions. [2025-02-06 14:23:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2025-02-06 14:23:54,643 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:54,644 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:54,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-06 14:23:54,847 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,SelfDestructingSolverStorable26 [2025-02-06 14:23:54,848 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-06 14:23:54,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:54,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1361056573, now seen corresponding path program 2 times [2025-02-06 14:23:54,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:54,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988583880] [2025-02-06 14:23:54,849 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:23:54,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:54,855 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 263 statements into 2 equivalence classes. [2025-02-06 14:23:54,865 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 263 of 263 statements. [2025-02-06 14:23:54,866 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:23:54,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:55,135 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 570 proven. 24 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:23:55,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:55,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988583880] [2025-02-06 14:23:55,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988583880] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:23:55,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728883824] [2025-02-06 14:23:55,136 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:23:55,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:55,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:55,139 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) [2025-02-06 14:23:55,141 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 [2025-02-06 14:23:55,164 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 263 statements into 2 equivalence classes. [2025-02-06 14:23:55,199 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 263 of 263 statements. [2025-02-06 14:23:55,199 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:23:55,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:55,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:23:55,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:55,401 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 649 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:55,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:23:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 589 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:23:55,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728883824] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:23:55,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:23:55,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 17 [2025-02-06 14:23:55,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213722988] [2025-02-06 14:23:55,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:23:55,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-06 14:23:55,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:55,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-06 14:23:55,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:23:55,637 INFO L87 Difference]: Start difference. First operand 526 states and 555 transitions. Second operand has 17 states, 17 states have (on average 15.294117647058824) internal successors, (260), 17 states have internal predecessors, (260), 6 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-02-06 14:23:55,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:55,762 INFO L93 Difference]: Finished difference Result 530 states and 558 transitions. [2025-02-06 14:23:55,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-06 14:23:55,763 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 15.294117647058824) internal successors, (260), 17 states have internal predecessors, (260), 6 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 263 [2025-02-06 14:23:55,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:55,763 INFO L225 Difference]: With dead ends: 530 [2025-02-06 14:23:55,763 INFO L226 Difference]: Without dead ends: 0 [2025-02-06 14:23:55,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 513 SyntacticMatches, 11 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=199, Invalid=503, Unknown=0, NotChecked=0, Total=702 [2025-02-06 14:23:55,764 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 20 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 1354 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:55,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 1354 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:23:55,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-06 14:23:55,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-06 14:23:55,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:55,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 14:23:55,765 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 263 [2025-02-06 14:23:55,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:55,765 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 14:23:55,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 15.294117647058824) internal successors, (260), 17 states have internal predecessors, (260), 6 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-02-06 14:23:55,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-06 14:23:55,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-06 14:23:55,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 62 remaining) [2025-02-06 14:23:55,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 62 remaining) [2025-02-06 14:23:55,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 62 remaining) [2025-02-06 14:23:55,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 62 remaining) [2025-02-06 14:23:55,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 62 remaining) [2025-02-06 14:23:55,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 62 remaining) [2025-02-06 14:23:55,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 62 remaining) [2025-02-06 14:23:55,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 62 remaining) [2025-02-06 14:23:55,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 62 remaining) [2025-02-06 14:23:55,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 62 remaining) [2025-02-06 14:23:55,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 62 remaining) [2025-02-06 14:23:55,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 62 remaining) [2025-02-06 14:23:55,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 62 remaining) [2025-02-06 14:23:55,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 62 remaining) [2025-02-06 14:23:55,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 62 remaining) [2025-02-06 14:23:55,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 62 remaining) [2025-02-06 14:23:55,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 62 remaining) [2025-02-06 14:23:55,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 62 remaining) [2025-02-06 14:23:55,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 62 remaining) [2025-02-06 14:23:55,770 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 62 remaining) [2025-02-06 14:23:55,770 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 62 remaining) [2025-02-06 14:23:55,770 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 62 remaining) [2025-02-06 14:23:55,770 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 62 remaining) [2025-02-06 14:23:55,770 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 62 remaining) [2025-02-06 14:23:55,770 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 62 remaining) [2025-02-06 14:23:55,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-06 14:23:55,974 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,SelfDestructingSolverStorable27 [2025-02-06 14:23:55,976 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:55,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-06 14:23:56,364 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 14:23:56,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 02:23:56 BoogieIcfgContainer [2025-02-06 14:23:56,374 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 14:23:56,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 14:23:56,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 14:23:56,374 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 14:23:56,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:23:33" (3/4) ... [2025-02-06 14:23:56,377 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 14:23:56,381 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-02-06 14:23:56,389 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-06 14:23:56,389 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-06 14:23:56,389 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 14:23:56,389 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 14:23:56,453 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 14:23:56,453 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 14:23:56,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 14:23:56,454 INFO L158 Benchmark]: Toolchain (without parser) took 23910.21ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 159.3MB in the beginning and 217.7MB in the end (delta: -58.4MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2025-02-06 14:23:56,454 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 218.1MB. Free memory is still 134.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 14:23:56,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 142.37ms. Allocated memory is still 201.3MB. Free memory was 159.3MB in the beginning and 148.1MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 14:23:56,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.27ms. Allocated memory is still 201.3MB. Free memory was 148.1MB in the beginning and 146.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 14:23:56,454 INFO L158 Benchmark]: Boogie Preprocessor took 15.69ms. Allocated memory is still 201.3MB. Free memory was 146.4MB in the beginning and 145.6MB in the end (delta: 858.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 14:23:56,454 INFO L158 Benchmark]: IcfgBuilder took 341.27ms. Allocated memory is still 201.3MB. Free memory was 145.6MB in the beginning and 123.3MB in the end (delta: 22.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 14:23:56,455 INFO L158 Benchmark]: TraceAbstraction took 23308.74ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 122.9MB in the beginning and 222.6MB in the end (delta: -99.7MB). Peak memory consumption was 127.7MB. Max. memory is 16.1GB. [2025-02-06 14:23:56,455 INFO L158 Benchmark]: Witness Printer took 78.82ms. Allocated memory is still 293.6MB. Free memory was 222.6MB in the beginning and 217.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 14:23:56,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 218.1MB. Free memory is still 134.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 142.37ms. Allocated memory is still 201.3MB. Free memory was 159.3MB in the beginning and 148.1MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.27ms. Allocated memory is still 201.3MB. Free memory was 148.1MB in the beginning and 146.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.69ms. Allocated memory is still 201.3MB. Free memory was 146.4MB in the beginning and 145.6MB in the end (delta: 858.8kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 341.27ms. Allocated memory is still 201.3MB. Free memory was 145.6MB in the beginning and 123.3MB in the end (delta: 22.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 23308.74ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 122.9MB in the beginning and 222.6MB in the end (delta: -99.7MB). Peak memory consumption was 127.7MB. Max. memory is 16.1GB. * Witness Printer took 78.82ms. Allocated memory is still 293.6MB. Free memory was 222.6MB in the beginning and 217.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 142 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 22.9s, OverallIterations: 28, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3035 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3007 mSDsluCounter, 8402 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6176 mSDsCounter, 276 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9456 IncrementalHoareTripleChecker+Invalid, 9732 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 276 mSolverCounterUnsat, 2226 mSDtfsCounter, 9456 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4116 GetRequests, 3840 SyntacticMatches, 21 SemanticMatches, 255 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 713 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=526occurred in iteration=26, InterpolantAutomatonStates: 218, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 28 MinimizatonAttempts, 501 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 4772 NumberOfCodeBlocks, 4688 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 4525 ConstructedInterpolants, 0 QuantifiedInterpolants, 26860 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3526 ConjunctsInSsa, 191 ConjunctsInUnsatCore, 45 InterpolantComputations, 13 PerfectInterpolantSequences, 2453/5737 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 62 specifications checked. All of them hold - InvariantResult [Line: 27]: Location Invariant Derived location invariant: (((((((((((((5 == y) && (k <= 32767)) && (counter == 5)) && (c <= 9223372036854775804)) && (125 <= x)) && (0 <= c)) && (x <= 2305843009213693735)) && (1 <= k)) || ((((((((k <= 32767) && (y == 4)) && (counter == 4)) && (c <= 9223372036854775804)) && (64 <= x)) && (0 <= c)) && (x <= 2305843009213693610)) && (1 <= k))) || (((((((counter == 3) && (x == 36)) && (k <= 32767)) && (3 == y)) && (0 <= c)) && (c <= 32766)) && (1 <= k))) || ((((((c == 0) && (k <= 32767)) && (y == 0)) && (counter == 0)) && (0 <= (k + 32768))) && (x == 0))) || (((((((k <= 32767) && (9 == x)) && (2 == y)) && (0 <= c)) && (c <= 2)) && (1 <= k)) && (counter == 2))) || (((((((k <= 32767) && (c <= 1)) && (x == 1)) && (0 <= c)) && (y == 1)) && (1 <= k)) && (counter == 1))) RESULT: Ultimate proved your program to be correct! [2025-02-06 14:23:56,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE